+2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
+ Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
+ which you have.
+ (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
+ * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
+ mmap_anon, and valloc is available.
+ * ggc-page.c: Restructure ifdef logic to match new autoconf
+ spec. Don't throw away the test page in init_ggc.
+
+ * configure, config.in: Regenerate.
+
2001-01-12 Michael Hayes <mhayes@redhat.com>
* loop.h (total_biv_increment): Constify iv_class pointer.
* builtins.c (std_expand_builtin_va_start): Handle varargs when
sizeof (int) is larger than sizeof(__word__).
-
+
2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppinit.c (do_includes): Fix typo.
+ * cppinit.c (do_includes): Fix typo.
2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
(lshrdi_const1, lshrsi3_const16): Likewise.
(*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
(*movhi_68hc12, *movqi_68hc12): Likewise.
- (movstrictqi): Make sure reloading in D_REGS as a destination
+ (movstrictqi): Make sure reloading in D_REGS as a destination
does not happen.
2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+ * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
- -D, -U and -A, and don't initialize the builtins.
+ * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
+ -D, -U and -A, and don't initialize the builtins.
(do_includes): Error if -include or -imacros with -fpreprocessed.
- * cppmain.c (cb_define, cb_undef): Unconditionally process
- the callback.
- * tradcpp.c (main): Fix typo.
+ * cppmain.c (cb_define, cb_undef): Unconditionally process
+ the callback.
+ * tradcpp.c (main): Fix typo.
2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
-
+
* cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
(read_name_map): Use IS_ABSOLUTE_PATH.
- * tradcpp.c (get_filename): Likewise.
+ * tradcpp.c (get_filename): Likewise.
2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
- * invoke.texi: Restore documentation of the drivers' switches -MD
+ * invoke.texi: Restore documentation of the drivers' switches -MD
and -MMD.
2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
- * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
- * cppinit.c (cpp_start_read): Update comment, remove unneeded
- if statement.
- * tradcpp.c: Include mkdeps.h.
- (deps, print_deps_phony_targets, deps_append, output_deps,
- init_dependency_output, output_deps): New.
- (deps_buffer, deps_allocated_size, deps_size, deps_column,
- deps_output): Delete.
- (print_deps_missing_files): Rename deps_missing_files.
- (inhibit_output): Make global.
- (main): Delete inhibit_output, deps_stream, deps_target.
- Use mkdeps functionality in the same way as cpplib. Remove
- -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
- -M and -MM. Remove old handling of deps via deps_out, and
- old reading of environment variables.
- (get_filename): Update to use deps_add_dep.
+ * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
+ * cppinit.c (cpp_start_read): Update comment, remove unneeded
+ if statement.
+ * tradcpp.c: Include mkdeps.h.
+ (deps, print_deps_phony_targets, deps_append, output_deps,
+ init_dependency_output, output_deps): New.
+ (deps_buffer, deps_allocated_size, deps_size, deps_column,
+ deps_output): Delete.
+ (print_deps_missing_files): Rename deps_missing_files.
+ (inhibit_output): Make global.
+ (main): Delete inhibit_output, deps_stream, deps_target.
+ Use mkdeps functionality in the same way as cpplib. Remove
+ -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
+ -M and -MM. Remove old handling of deps via deps_out, and
+ old reading of environment variables.
+ (get_filename): Update to use deps_add_dep.
2001-01-10 Mark Mitchell <mark@codesourcery.com>
restore_machine_status.
* emit-rtl.c (init_emit_once): Amend comment describing
- {init|mark|free}_machine_status.
+ {init|mark|free}_machine_status.
* tm.texi (Per-Function Data): New node. Describe the
INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppinit.c (OPT_g): Remove.
- (cpp_handle_option): Update for removed -g3.
- (print_help): Update.
- * cpplib.h (struct cpp_options): Remove debug_output.
- * cppmain.c (setup_callbacks, cb_define): Update.
- * gcc.c (cpp_options): Translate -g3 to -dD.
+ * cppinit.c (OPT_g): Remove.
+ (cpp_handle_option): Update for removed -g3.
+ (print_help): Update.
+ * cpplib.h (struct cpp_options): Remove debug_output.
+ * cppmain.c (setup_callbacks, cb_define): Update.
+ * gcc.c (cpp_options): Translate -g3 to -dD.
2001-01-10 Aldy Hernandez <aldyh@redhat.com>
* config/i960/i960.md: Change modifier to + on the zero_extract
- pattern after the (rotate -2 reg) canonicalization pattern.
+ pattern after the (rotate -2 reg) canonicalization pattern.
2001-01-10 Richard Henderson <rth@redhat.com>
@w.
2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
-
- * gcc.c (cpp_options): Set MD file name from output
- filename, if specified.
- (suffix_subst): New static variable.
- (do_spec): Clear it.
- (do_spec_1, case '.'): Handle new `%.suffix' spec.
- Clear it.
- (give_switch): Handle suffix_subst.
+
+ * gcc.c (cpp_options): Set MD file name from output
+ filename, if specified.
+ (suffix_subst): New static variable.
+ (do_spec): Clear it.
+ (do_spec_1, case '.'): Handle new `%.suffix' spec.
+ Clear it.
+ (give_switch): Handle suffix_subst.
2001-01-10 Phil Edwards <pme@sources.redhat.com>
2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
- * c-lang.c (lang_hooks): Update.
- (lang_decode_option): Remove.
- (lang_init_options): Rename c_init_options.
- * toplev.c (main): Use lang_hooks for lang_init_options
- and lang_decode_option.
- * toplev.h (lang_hooks): Add 2 new hooks.
- * tree.h: Remove lang_init_options and lang_decode_option.
- * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
- * cp/decl2.c: Similarly.
- * cp/lex.c (lang_init_options): Rename cxx_init_options.
- (lang_hooks): Update.
- * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
- for consistency.
- (lang_init_options): Rename ffe_init_options.
- (lang_hooks): Update.
- (lang_decode_option): Remove.
- * java/lang.c (lang_init_options): Rename java_init_options.
- (lang_decode_option): Rename java_decode_option.
- (lang_hooks): Update.
- * objc/objc-act.c (lang_init_options): Rename objc_init_options.
- (lang_decode_option): Rename objc_decode_option.
- (lang_hooks): Update.
+ * c-lang.c (lang_hooks): Update.
+ (lang_decode_option): Remove.
+ (lang_init_options): Rename c_init_options.
+ * toplev.c (main): Use lang_hooks for lang_init_options
+ and lang_decode_option.
+ * toplev.h (lang_hooks): Add 2 new hooks.
+ * tree.h: Remove lang_init_options and lang_decode_option.
+ * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
+ * cp/decl2.c: Similarly.
+ * cp/lex.c (lang_init_options): Rename cxx_init_options.
+ (lang_hooks): Update.
+ * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
+ for consistency.
+ (lang_init_options): Rename ffe_init_options.
+ (lang_hooks): Update.
+ (lang_decode_option): Remove.
+ * java/lang.c (lang_init_options): Rename java_init_options.
+ (lang_decode_option): Rename java_decode_option.
+ (lang_hooks): Update.
+ * objc/objc-act.c (lang_init_options): Rename objc_init_options.
+ (lang_decode_option): Rename objc_decode_option.
+ (lang_hooks): Update.
2001-01-09 Nick Clifton <nickc@redhat.com>
* reload.c (find_reloads_address): Check for eliminable registers
when substituting a constant expression for a pseudo.
-
+
2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (enum format_type): Add format_type_error.
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppinit.c (OPT_MD, OPT_MMD): Restore.
- (cpp_handle_option): Handle them.
- (cpp_post_options): Ensure one of -M or -MM is specified with
- any other -M? option.
- (init_dependency_output): Suppress output with -MG.
+ * cppinit.c (OPT_MD, OPT_MMD): Restore.
+ (cpp_handle_option): Handle them.
+ (cpp_post_options): Ensure one of -M or -MM is specified with
+ any other -M? option.
+ (init_dependency_output): Suppress output with -MG.
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
- * cpp.texi: Update.
- * invoke.texi: Update.
+ * cpp.texi: Update.
+ * invoke.texi: Update.
2001-01-09 Bernd Schmidt <bernds@redhat.com>
2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
* c-lang.c (lang_hooks): Update.
- (lang_init): Rename c_init.
- (lang_finish): Remove.
- * toplev.c (compile_file): Use lang_hooks for lang_init ()
- and lang_finish ().
- * toplev.h (lang_hooks): Add init () and finish ().
- * tree.h (lang_init, lang_finish): Remove.
- * cp/tree.h (lang_init, lang_finish): Remove.
- * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
- * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
- lang_hooks): New.
- (lang_init, lang_finish): Remove.
- * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
- (lang_hooks): Update.
- * java/lang.c (lang_init): Rename java_init.
- (lang_finish): Remove.
- (lang_hooks): Update.
- * objc/objc-act.c (lang_init): Rename objc_init.
- (lang_finish): Remove.
- (lang_hoooks): Update.
+ (lang_init): Rename c_init.
+ (lang_finish): Remove.
+ * toplev.c (compile_file): Use lang_hooks for lang_init ()
+ and lang_finish ().
+ * toplev.h (lang_hooks): Add init () and finish ().
+ * tree.h (lang_init, lang_finish): Remove.
+ * cp/tree.h (lang_init, lang_finish): Remove.
+ * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
+ * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
+ lang_hooks): New.
+ (lang_init, lang_finish): Remove.
+ * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
+ (lang_hooks): Update.
+ * java/lang.c (lang_init): Rename java_init.
+ (lang_finish): Remove.
+ (lang_hooks): Update.
+ * objc/objc-act.c (lang_init): Rename objc_init.
+ (lang_finish): Remove.
+ (lang_hoooks): Update.
20001-01-09 Graham Stott <grahams@redhat.com>
2001-01-08 Nick Clifton <nickc@redhat.com>
* config/v850/v850.c (ra_rtx): Delete.
- (v850_save_machine_status): Delete.
+ (v850_save_machine_status): Delete.
(v850_restore_machine_status): Delete.
(v850_init_machine_status): New function.
(v850_mark_machine_status): New function.
to take a const char *, to avoid compile time warning.
* config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
(USER_LABEL_PREFIX): Redefine.
-
+
2000-01-08 Jim Wilson <wilson@redhat.com>
* sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
- * cppinit.c (init): Rename init_library.
- (cpp_create_reader): Update.
- * gcc.c (cpp_options): If -o given, use it as the target of
- any -M options.
+ * cppinit.c (init): Rename init_library.
+ (cpp_create_reader): Update.
+ * gcc.c (cpp_options): If -o given, use it as the target of
+ any -M options.
2001-01-08 Richard Earnshaw <rearnsha@arm.com>
(emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
* arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
(STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
-
+
Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
* jump.c (jump_optimize_1): Use reversed_comparison_code
* arm.h (HARD_REGNO_RENAME_OK): Delete.
(EPILOGUE_USES): Define.
- (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
+ (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
automatically stack the LR if it isn't live.
Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
- * fix-header.c (read_scan_file): s/pfile/scan_in/.
+ * fix-header.c (read_scan_file): s/pfile/scan_in/.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
- * c-lang.c (c_post_options): Call cpp_post_options.
+ * c-lang.c (c_post_options): Call cpp_post_options.
* objc/objc-act.c (objc_post_options): Similarly.
* cppmain.c (main): Similarly.
- * fix-header.c (read_scan_file): Similarly.
- * cppinit.c (cpp_start_read): Move option consistency checks
- to cpp_post_options. Don't call init_dependency_output.
- If needed, add default target and main file dependency.
- (OPT_MD, OPT_MMD): Remove.
- (OPT_MF): New.
- (cpp_handle_option): Update for OPT_* changes.
- (cpp_post_options): New.
- (init_dependency_output): Command line -MF overrides environment
- variables. Don't set default target etc. Suppress output
- if dependencies are going to stdout.
- (print_help): Update.
- * cpplib.h (cpp_post_options): New.
- * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
-
+ * fix-header.c (read_scan_file): Similarly.
+ * cppinit.c (cpp_start_read): Move option consistency checks
+ to cpp_post_options. Don't call init_dependency_output.
+ If needed, add default target and main file dependency.
+ (OPT_MD, OPT_MMD): Remove.
+ (OPT_MF): New.
+ (cpp_handle_option): Update for OPT_* changes.
+ (cpp_post_options): New.
+ (init_dependency_output): Command line -MF overrides environment
+ variables. Don't set default target etc. Suppress output
+ if dependencies are going to stdout.
+ (print_help): Update.
+ * cpplib.h (cpp_post_options): New.
+ * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
+
Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
* jump.c (comparison_dominates_p): Support unordered compares.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
- * (initialize, initialize_builtins,
- initialize_dependency_output, initialize_standard_includes):
- Rename s/initialize/init. Update.
- (init_dependency_output): Move to after
- cpp_handle_options, the correct location temporally at least.
- (opt_comp): Move next to init (), its caller. Fix prototype.
- (init): Make "initialized" local scope.
- (cpp_create_reader): Always call init ().
- (cpp_start_read): Update.
- (output_deps): New function, broken out of cpp_finish.
- (cpp_finish): Break out output_deps.
+ * (initialize, initialize_builtins,
+ initialize_dependency_output, initialize_standard_includes):
+ Rename s/initialize/init. Update.
+ (init_dependency_output): Move to after
+ cpp_handle_options, the correct location temporally at least.
+ (opt_comp): Move next to init (), its caller. Fix prototype.
+ (init): Make "initialized" local scope.
+ (cpp_create_reader): Always call init ().
+ (cpp_start_read): Update.
+ (output_deps): New function, broken out of cpp_finish.
+ (cpp_finish): Break out output_deps.
2001-01-07 Richard Henderson <rth@redhat.com>
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
- * toplev.c (main): Call the front-end specific post_options
- hook if one is given.
- * toplev.h (struct_lang_hooks, lang_hooks): New.
- * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
- for the C front end.
- * cp/decl2.c (cxx_post_options, lang_hooks): Implement
- lang_hooks for the C++ front end.
- * objc/objc-act.c (objc_post_options, lang_hooks): Implement
- lang_hooks for the ObjC front end.
- * f/com.c (lang_hooks): Hooks for the Fortran front end.
- * java/lang.c (lang_hooks): Hooks for the Java front end.
+ * toplev.c (main): Call the front-end specific post_options
+ hook if one is given.
+ * toplev.h (struct_lang_hooks, lang_hooks): New.
+ * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
+ for the C front end.
+ * cp/decl2.c (cxx_post_options, lang_hooks): Implement
+ lang_hooks for the C++ front end.
+ * objc/objc-act.c (objc_post_options, lang_hooks): Implement
+ lang_hooks for the ObjC front end.
+ * f/com.c (lang_hooks): Hooks for the Fortran front end.
+ * java/lang.c (lang_hooks): Hooks for the Java front end.
2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
- * c-lex.c (init_c_lex): Request #define / #undef callbacks
- for verbose DWARF[2] debugging.
- (cb_define, cb_undef): The new callbacks.
- * toplev.h (debug_define, debug_undef): Make const correct.
- * toplev.c (debug_define, debug_undef): Similarly. Do not
- perform the verbosity tests here anymore.
+ * c-lex.c (init_c_lex): Request #define / #undef callbacks
+ for verbose DWARF[2] debugging.
+ (cb_define, cb_undef): The new callbacks.
+ * toplev.h (debug_define, debug_undef): Make const correct.
+ * toplev.c (debug_define, debug_undef): Similarly. Do not
+ perform the verbosity tests here anymore.
2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
- * cpp.texi: Update for -MQ.
- * cppinit.c (cpp_create_reader): Always create pfile->deps.
- (cpp_cleanup): Always free pfile->deps.
- (initialize_dependency_output): Don't create pfile->deps.
- (cpp_handle_option): Similarly.
- (OPT_MQ): New.
- * gcc.c (cpp_options): Handle -MQ.
- (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
- * mkdeps.c (base_name): Remove.
- (deps_init): Don't allocate vector space until it's needed.
- (deps_free): Only free vectors if allocated.
- (deps_add_target, deps_add_dep): Update for initial allocation.
- (deps_add_default_target): Don't strip to the base_name.
+ * cpp.texi: Update for -MQ.
+ * cppinit.c (cpp_create_reader): Always create pfile->deps.
+ (cpp_cleanup): Always free pfile->deps.
+ (initialize_dependency_output): Don't create pfile->deps.
+ (cpp_handle_option): Similarly.
+ (OPT_MQ): New.
+ * gcc.c (cpp_options): Handle -MQ.
+ (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+ * mkdeps.c (base_name): Remove.
+ (deps_init): Don't allocate vector space until it's needed.
+ (deps_free): Only free vectors if allocated.
+ (deps_add_target, deps_add_dep): Update for initial allocation.
+ (deps_add_default_target): Don't strip to the base_name.
2001-01-05 DJ Delorie <dj@redhat.com>
* config/v850/v850-protos.h: Add prototypes for v850_return_addr
and v850_init_expanders.
-
+
2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
* cpplib.h (struct cpp_reader): Add help_only field.
* print-rtl.c (print_simple_rtl): New.
(flag_simple): New.
(print_rtx): Disable printing of flags and modes, etc.,
- if `flag_simple` nonzero.
+ if `flag_simple` nonzero.
2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2001-01-05 Daniel Berlin <dberlin@redhat.com>
* c-common.c (lang_get_alias_set): Say we know nothing of
- VECTOR_TYPE aliasing.
+ VECTOR_TYPE aliasing.
* dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
- * cpp.texi: Update for -MP. Clarify behaviour of -MT.
- * cppinit.c (initialize_dependency_output): Update.
- (cpp_finish): Output dummy targets for -MP.
- (OPT_MP): New.
- (cpp_handle_option): Handle -MP. Don't quote -MT options.
- * cpplib.h (struct cpp_options): Add deps_phony_targets.
- * gcc.c (cpp_options): Update to handle -MP.
- * mkdeps.c (deps_add_target, deps_add_default_target): Update
- to quote only the default target.
- (deps_phony_targets): Insert a preceding newline. Rename from
- deps_dummy_targets for consistency.
- * mkdeps.h: Update
+ * cpp.texi: Update for -MP. Clarify behaviour of -MT.
+ * cppinit.c (initialize_dependency_output): Update.
+ (cpp_finish): Output dummy targets for -MP.
+ (OPT_MP): New.
+ (cpp_handle_option): Handle -MP. Don't quote -MT options.
+ * cpplib.h (struct cpp_options): Add deps_phony_targets.
+ * gcc.c (cpp_options): Update to handle -MP.
+ * mkdeps.c (deps_add_target, deps_add_default_target): Update
+ to quote only the default target.
+ (deps_phony_targets): Insert a preceding newline. Rename from
+ deps_dummy_targets for consistency.
+ * mkdeps.h: Update
2001-01-05 Alexandre Oliva <aoliva@redhat.com>
(process_init_element): Don't dereference null DECL_SIZE.
* varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
Don't abort for empty constructors. Use size_binop
- (output_constructor): Add commentary regarding zero length
+ (output_constructor): Add commentary regarding zero length
array futures. Abort if we try to initialize an array of
unspecified length with a non-empty constructor in the middle
of a structure.
for prset and prget.
2001-01-05 Michael Hayes <mhayes@redhat.com>
-
+
* loop.h (struct loop_reg): New.
(struct loop_regs): Change to use array of `struct loop_reg'.
* loop.c: Replace assortment of varrays with single regs array.
(loop_optimize): Delete `moved_once' array.
2001-01-05 Michael Hayes <mhayes@redhat.com>
-
+
* loop.c (prescan_loop): Set loop_info->has_nonconst_call.
Use it instead of loop_info->has_call for scanning loop mems.
(check_dbra_loop): Replace loop_info->has_call test with
2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
- * cpp.texi: Update for -MT.
- * cppinit.c (initialize_dependency_output): Add a default
- target if none has been given already.
- (no_tgt, OPT_MT): New.
- (cpp_handle_option): Handle -MT. Update -M etc.
- * cpplib.h (struct cpp_options): Remove deps_target.
- * gcc.c (cpp_options): Handle -MT.
- * mkdeps.c (struct deps): Move from mkdeps.h.
- (deps_calc_target): Rename deps_add_default_target. Add a
- default target if none has been specified already.
- * mkdeps.h (struct deps): Move to mkdeps.c.
- (deps_calc_target): Rename deps_add_default_target.
+ * cpp.texi: Update for -MT.
+ * cppinit.c (initialize_dependency_output): Add a default
+ target if none has been given already.
+ (no_tgt, OPT_MT): New.
+ (cpp_handle_option): Handle -MT. Update -M etc.
+ * cpplib.h (struct cpp_options): Remove deps_target.
+ * gcc.c (cpp_options): Handle -MT.
+ * mkdeps.c (struct deps): Move from mkdeps.h.
+ (deps_calc_target): Rename deps_add_default_target. Add a
+ default target if none has been specified already.
+ * mkdeps.h (struct deps): Move to mkdeps.c.
+ (deps_calc_target): Rename deps_add_default_target.
2000-01-03 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.md (addvsi3, addvdi3): New.
(negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
-
+
2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* tradcpp.c (main): Make sure finclude() is called with a valid
* c-common.h (ASM_INPUT_P): New.
* c-parse.in (asm): Set it when needed.
- * c-semantics.c (genrtl_asm_stmt): Test it instead of the
+ * c-semantics.c (genrtl_asm_stmt): Test it instead of the
existance of an operand.
Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2001-01-02 Philip Blundell <pb@futuretv.com>
- * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
+ * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
of input operand.
2001-01-02 Richard Henderson <rth@redhat.com>
2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
- * loop.c (add_label_notes): Increment the label usage count when
- a note is added to an insn which refers to a CODE_LABEL.
- * gcse.c (add_label_notes): Likewise.
+ * loop.c (add_label_notes): Increment the label usage count when
+ a note is added to an insn which refers to a CODE_LABEL.
+ * gcse.c (add_label_notes): Likewise.
2001-01-01 Andreas Jaeger <aj@suse.de>
# Check whether mmap can map an arbitrary page from /dev/zero or with
# MAP_ANONYMOUS, without MAP_FIXED.
AC_DEFUN([AC_FUNC_MMAP_ANYWHERE],
-[AC_CHECK_HEADERS(unistd.h)
-AC_CHECK_FUNCS(getpagesize)
-AC_CACHE_CHECK(for working mmap which provides zeroed pages anywhere,
- ac_cv_func_mmap_anywhere,
-[AC_TRY_RUN([
-/* Test by Richard Henderson and Alexandre Oliva.
- Check whether mmap MAP_ANONYMOUS or mmap from /dev/zero works. */
+[AC_CHECK_FUNCS(getpagesize)
+# The test program for the next two tests is the same except for one
+# set of ifdefs.
+changequote({{{,}}})dnl
+{{{cat >ct-mmap.inc <<'EOF'
#include <sys/types.h>
-#include <fcntl.h>
#include <sys/mman.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <setjmp.h>
+#include <stdio.h>
#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
# define MAP_ANONYMOUS MAP_ANON
#endif /* no HAVE_GETPAGESIZE */
-int main()
-{
- char *x;
- int fd, pg;
-
-#ifndef MAP_ANONYMOUS
- fd = open("/dev/zero", O_RDWR);
- if (fd < 0)
- exit(1);
+#ifndef MAP_FAILED
+# define MAP_FAILED -1
#endif
- pg = getpagesize();
-#ifdef MAP_ANONYMOUS
- x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#undef perror_exit
+#define perror_exit(str, val) \
+ do { perror(str); exit(val); } while (0)
+
+/* Some versions of cygwin mmap require that munmap is called with the
+ same parameters as mmap. GCC expects that this is not the case.
+ Test for various forms of this problem. Warning - icky signal games. */
+
+static sigset_t unblock_sigsegv;
+static jmp_buf r;
+static size_t pg;
+static int devzero;
+
+static char *
+anonmap (size)
+ size_t size;
+{
+#ifdef USE_MAP_ANON
+ return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
+ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
#else
- x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+ return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
+ MAP_PRIVATE, devzero, 0);
#endif
- if (x == (char *) -1)
- exit(2);
+}
+
+static void
+sigsegv (unused)
+ int unused;
+{
+ sigprocmask (SIG_UNBLOCK, &unblock_sigsegv, 0);
+ longjmp (r, 1);
+}
+
+/* Basic functionality test. */
+void
+test_0 ()
+{
+ char *x = anonmap (pg);
+ if (x == (char *) MAP_FAILED)
+ perror_exit("test 0 mmap", 2);
*(int *)x += 1;
if (munmap(x, pg) < 0)
- exit(3);
+ perror_exit("test 0 munmap", 3);
+}
+
+/* 1. If we map a 2-page region and unmap its second page, the first page
+ must remain. */
+static void
+test_1 ()
+{
+ char *x = anonmap (pg * 2);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 1 mmap", 4);
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 1 fault", 5);
+
+ x[0] = 1;
+ x[pg] = 1;
+
+ if (munmap (x + pg, pg) < 0)
+ perror_exit ("test 1 munmap 1", 6);
+ x[0] = 2;
+
+ if (setjmp (r) == 0)
+ {
+ x[pg] = 1;
+ perror_exit ("test 1 no fault", 7);
+ }
+ if (munmap (x, pg) < 0)
+ perror_exit ("test 1 munmap 2", 8);
+}
+
+/* 2. If we map a 2-page region and unmap its first page, the second
+ page must remain. */
+static void
+test_2 ()
+{
+ char *x = anonmap (pg * 2);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 2 mmap", 9);
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 2 fault", 10);
+
+ x[0] = 1;
+ x[pg] = 1;
+
+ if (munmap (x, pg) < 0)
+ perror_exit ("test 2 munmap 1", 11);
+
+ x[pg] = 2;
+
+ if (setjmp (r) == 0)
+ {
+ x[0] = 1;
+ perror_exit ("test 2 no fault", 12);
+ }
+
+ if (munmap (x+pg, pg) < 0)
+ perror_exit ("test 2 munmap 2", 13);
+}
+
+/* 3. If we map two adjacent 1-page regions and unmap them both with
+ one munmap, both must go away.
+
+ Getting two adjacent 1-page regions with two mmap calls is slightly
+ tricky. All OS's tested skip over already-allocated blocks; therefore
+ we have been careful to unmap all allocated regions in previous tests.
+ HP/UX allocates pages backward in memory. No OS has yet been observed
+ to be so perverse as to leave unmapped space between consecutive calls
+ to mmap. */
+
+static void
+test_3 ()
+{
+ char *x, *y, *z;
+
+ x = anonmap (pg);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 3 mmap 1", 14);
+ y = anonmap (pg);
+ if (y == (char *)MAP_FAILED)
+ perror_exit ("test 3 mmap 2", 15);
+
+ if (y != x + pg)
+ {
+ if (y == x - pg)
+ z = y, y = x, x = z;
+ else
+ {
+ fprintf (stderr, "test 3 nonconsecutive pages - %lx, %lx\n",
+ (unsigned long)x, (unsigned long)y);
+ exit (16);
+ }
+ }
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 3 fault", 17);
+
+ x[0] = 1;
+ y[0] = 1;
+
+ if (munmap (x, pg*2) < 0)
+ perror_exit ("test 3 munmap", 18);
+
+ if (setjmp (r) == 0)
+ {
+ x[0] = 1;
+ perror_exit ("test 3 no fault 1", 19);
+ }
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r) == 0)
+ {
+ y[0] = 1;
+ perror_exit ("test 3 no fault 2", 20);
+ }
+}
+
+int
+main ()
+{
+ sigemptyset (&unblock_sigsegv);
+ sigaddset (&unblock_sigsegv, SIGSEGV);
+ pg = getpagesize ();
+#ifndef USE_MAP_ANON
+ devzero = open ("/dev/zero", O_RDWR);
+ if (devzero < 0)
+ perror_exit ("open /dev/zero", 1);
+#endif
+
+ test_0();
+ test_1();
+ test_2();
+ test_3();
exit(0);
-}], ac_cv_func_mmap_anywhere=yes, ac_cv_func_mmap_anywhere=no,
-ac_cv_func_mmap_anywhere=no)])
-if test $ac_cv_func_mmap_anywhere = yes; then
- AC_DEFINE(HAVE_MMAP_ANYWHERE, 1,
- [Define if mmap can get us zeroed pages without MAP_FIXED.])
+}
+EOF}}}
+changequote([,])dnl
+
+AC_CACHE_CHECK(for working mmap from /dev/zero,
+ ac_cv_func_mmap_dev_zero,
+[AC_TRY_RUN(
+ [#include "ct-mmap.inc"],
+ ac_cv_func_mmap_dev_zero=yes,
+ [if test $? -lt 4
+ then ac_cv_func_mmap_dev_zero=no
+ else ac_cv_func_mmap_dev_zero=buggy
+ fi],
+ # If this is not cygwin, and /dev/zero is a character device, it's probably
+ # safe to assume it works.
+ [case "$host_os" in
+ cygwin* | win32 | pe | mingw* ) ac_cv_func_mmap_dev_zero=buggy ;;
+ * ) if test -c /dev/zero
+ then ac_cv_func_mmap_dev_zero=yes
+ else ac_cv_func_mmap_dev_zero=no
+ fi ;;
+ esac])
+])
+if test $ac_cv_func_mmap_dev_zero = yes; then
+ AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
+ [Define if mmap can get us zeroed pages from /dev/zero.])
+fi
+
+AC_CACHE_CHECK([for working mmap with MAP_ANON(YMOUS)],
+ ac_cv_func_mmap_anon,
+[AC_TRY_RUN(
+ [#define USE_MAP_ANON
+#include "ct-mmap.inc"],
+ ac_cv_func_mmap_anon=yes,
+ [if test $? -lt 4
+ then ac_cv_func_mmap_anon=no
+ else ac_cv_func_mmap_anon=buggy
+ fi],
+ # Unlike /dev/zero, it is not safe to assume MAP_ANON(YMOUS) works
+ # just because it's there. Some SCO Un*xen define it but don't implement it.
+ ac_cv_func_mmap_anon=no)
+])
+if test $ac_cv_func_mmap_anon = yes; then
+ AC_DEFINE(HAVE_MMAP_ANON, 1,
+ [Define if mmap can get us zeroed pages using MAP_ANON(YMOUS).])
fi
+rm -f ct-mmap.inc
])
# Check whether mmap can map a plain file, without MAP_FIXED.
AC_DEFUN([AC_FUNC_MMAP_FILE],
-[AC_REQUIRE([AC_FUNC_MMAP_ANYWHERE])dnl
-AC_CACHE_CHECK(for working mmap of a file, ac_cv_func_mmap_file,
+[AC_CACHE_CHECK(for working mmap of a file, ac_cv_func_mmap_file,
[# Create a file one thousand bytes long.
for i in 1 2 3 4 5 6 7 8 9 0
do for j in 1 2 3 4 5 6 7 8 9 0
/* Define if printf supports %p. */
#undef HAVE_PRINTF_PTR
-/* Define if mmap can get us zeroed pages without MAP_FIXED. */
-#undef HAVE_MMAP_ANYWHERE
+/* Define if mmap can get us zeroed pages from /dev/zero. */
+#undef HAVE_MMAP_DEV_ZERO
+
+/* Define if mmap can get us zeroed pages using MAP_ANON(YMOUS). */
+#undef HAVE_MMAP_ANON
/* Define if read-only mmap of a plain file works. */
#undef HAVE_MMAP_FILE
#include "confdefs.h"
int main() {
-} $ac_kw foo() {
+} int $ac_kw foo() {
; return 0; }
EOF
if { (eval echo configure:1565: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
# Find some useful tools
-for ac_prog in gawk mawk nawk awk
+for ac_prog in mawk gawk nawk awk
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
fi
-for ac_hdr in unistd.h
-do
-ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
-echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3200: checking for $ac_hdr" >&5
-if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- cat > conftest.$ac_ext <<EOF
-#line 3205 "configure"
-#include "confdefs.h"
-#include <$ac_hdr>
-EOF
-ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3210: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
-ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
-if test -z "$ac_err"; then
- rm -rf conftest*
- eval "ac_cv_header_$ac_safe=yes"
-else
- echo "$ac_err" >&5
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -rf conftest*
- eval "ac_cv_header_$ac_safe=no"
-fi
-rm -f conftest*
-fi
-if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
- echo "$ac_t""yes" 1>&6
- ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
- cat >> confdefs.h <<EOF
-#define $ac_tr_hdr 1
-EOF
-
-else
- echo "$ac_t""no" 1>&6
-fi
-done
-
for ac_func in getpagesize
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3239: checking for $ac_func" >&5
+echo "configure:3199: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3244 "configure"
+#line 3204 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:3267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3227: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
fi
done
-echo $ac_n "checking for working mmap which provides zeroed pages anywhere""... $ac_c" 1>&6
-echo "configure:3292: checking for working mmap which provides zeroed pages anywhere" >&5
-if eval "test \"`echo '$''{'ac_cv_func_mmap_anywhere'+set}'`\" = set"; then
- echo $ac_n "(cached) $ac_c" 1>&6
-else
- if test "$cross_compiling" = yes; then
- ac_cv_func_mmap_anywhere=no
-else
- cat > conftest.$ac_ext <<EOF
-#line 3300 "configure"
-#include "confdefs.h"
-
-/* Test by Richard Henderson and Alexandre Oliva.
- Check whether mmap MAP_ANONYMOUS or mmap from /dev/zero works. */
+# The test program for the next two tests is the same except for one
+# set of ifdefs.
+cat >ct-mmap.inc <<'EOF'
#include <sys/types.h>
-#include <fcntl.h>
#include <sys/mman.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <setjmp.h>
+#include <stdio.h>
#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
# define MAP_ANONYMOUS MAP_ANON
#endif /* no HAVE_GETPAGESIZE */
-int main()
-{
- char *x;
- int fd, pg;
-
-#ifndef MAP_ANONYMOUS
- fd = open("/dev/zero", O_RDWR);
- if (fd < 0)
- exit(1);
+#ifndef MAP_FAILED
+# define MAP_FAILED -1
#endif
- pg = getpagesize();
-#ifdef MAP_ANONYMOUS
- x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#undef perror_exit
+#define perror_exit(str, val) \
+ do { perror(str); exit(val); } while (0)
+
+/* Some versions of cygwin mmap require that munmap is called with the
+ same parameters as mmap. GCC expects that this is not the case.
+ Test for various forms of this problem. Warning - icky signal games. */
+
+static sigset_t unblock_sigsegv;
+static jmp_buf r;
+static size_t pg;
+static int devzero;
+
+static char *
+anonmap (size)
+ size_t size;
+{
+#ifdef USE_MAP_ANON
+ return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
+ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
#else
- x = (char*)mmap(0, pg, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+ return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
+ MAP_PRIVATE, devzero, 0);
#endif
- if (x == (char *) -1)
- exit(2);
+}
+
+static void
+sigsegv (unused)
+ int unused;
+{
+ sigprocmask (SIG_UNBLOCK, &unblock_sigsegv, 0);
+ longjmp (r, 1);
+}
+
+/* Basic functionality test. */
+void
+test_0 ()
+{
+ char *x = anonmap (pg);
+ if (x == (char *) MAP_FAILED)
+ perror_exit("test 0 mmap", 2);
*(int *)x += 1;
if (munmap(x, pg) < 0)
- exit(3);
+ perror_exit("test 0 munmap", 3);
+}
+
+/* 1. If we map a 2-page region and unmap its second page, the first page
+ must remain. */
+static void
+test_1 ()
+{
+ char *x = anonmap (pg * 2);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 1 mmap", 4);
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 1 fault", 5);
+
+ x[0] = 1;
+ x[pg] = 1;
+
+ if (munmap (x + pg, pg) < 0)
+ perror_exit ("test 1 munmap 1", 6);
+ x[0] = 2;
+
+ if (setjmp (r) == 0)
+ {
+ x[pg] = 1;
+ perror_exit ("test 1 no fault", 7);
+ }
+ if (munmap (x, pg) < 0)
+ perror_exit ("test 1 munmap 2", 8);
+}
+
+/* 2. If we map a 2-page region and unmap its first page, the second
+ page must remain. */
+static void
+test_2 ()
+{
+ char *x = anonmap (pg * 2);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 2 mmap", 9);
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 2 fault", 10);
+
+ x[0] = 1;
+ x[pg] = 1;
+
+ if (munmap (x, pg) < 0)
+ perror_exit ("test 2 munmap 1", 11);
+
+ x[pg] = 2;
+
+ if (setjmp (r) == 0)
+ {
+ x[0] = 1;
+ perror_exit ("test 2 no fault", 12);
+ }
+
+ if (munmap (x+pg, pg) < 0)
+ perror_exit ("test 2 munmap 2", 13);
+}
+
+/* 3. If we map two adjacent 1-page regions and unmap them both with
+ one munmap, both must go away.
+
+ Getting two adjacent 1-page regions with two mmap calls is slightly
+ tricky. All OS's tested skip over already-allocated blocks; therefore
+ we have been careful to unmap all allocated regions in previous tests.
+ HP/UX allocates pages backward in memory. No OS has yet been observed
+ to be so perverse as to leave unmapped space between consecutive calls
+ to mmap. */
+
+static void
+test_3 ()
+{
+ char *x, *y, *z;
+
+ x = anonmap (pg);
+ if (x == (char *)MAP_FAILED)
+ perror_exit ("test 3 mmap 1", 14);
+ y = anonmap (pg);
+ if (y == (char *)MAP_FAILED)
+ perror_exit ("test 3 mmap 2", 15);
+
+ if (y != x + pg)
+ {
+ if (y == x - pg)
+ z = y, y = x, x = z;
+ else
+ {
+ fprintf (stderr, "test 3 nonconsecutive pages - %lx, %lx\n",
+ (unsigned long)x, (unsigned long)y);
+ exit (16);
+ }
+ }
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r))
+ perror_exit ("test 3 fault", 17);
+
+ x[0] = 1;
+ y[0] = 1;
+
+ if (munmap (x, pg*2) < 0)
+ perror_exit ("test 3 munmap", 18);
+
+ if (setjmp (r) == 0)
+ {
+ x[0] = 1;
+ perror_exit ("test 3 no fault 1", 19);
+ }
+
+ signal (SIGSEGV, sigsegv);
+ if (setjmp (r) == 0)
+ {
+ y[0] = 1;
+ perror_exit ("test 3 no fault 2", 20);
+ }
+}
+
+int
+main ()
+{
+ sigemptyset (&unblock_sigsegv);
+ sigaddset (&unblock_sigsegv, SIGSEGV);
+ pg = getpagesize ();
+#ifndef USE_MAP_ANON
+ devzero = open ("/dev/zero", O_RDWR);
+ if (devzero < 0)
+ perror_exit ("open /dev/zero", 1);
+#endif
+
+ test_0();
+ test_1();
+ test_2();
+ test_3();
exit(0);
}
EOF
-if { (eval echo configure:3383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+
+echo $ac_n "checking for working mmap from /dev/zero""... $ac_c" 1>&6
+echo "configure:3498: checking for working mmap from /dev/zero" >&5
+if eval "test \"`echo '$''{'ac_cv_func_mmap_dev_zero'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test "$cross_compiling" = yes; then
+ # If this is not cygwin, and /dev/zero is a character device, it's probably
+ # safe to assume it works.
+ case "$host_os" in
+ cygwin* | win32 | pe | mingw* ) ac_cv_func_mmap_dev_zero=buggy ;;
+ * ) if test -c /dev/zero
+ then ac_cv_func_mmap_dev_zero=yes
+ else ac_cv_func_mmap_dev_zero=no
+ fi ;;
+ esac
+else
+ cat > conftest.$ac_ext <<EOF
+#line 3514 "configure"
+#include "confdefs.h"
+#include "ct-mmap.inc"
+EOF
+if { (eval echo configure:3518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ac_cv_func_mmap_dev_zero=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ if test $? -lt 4
+ then ac_cv_func_mmap_dev_zero=no
+ else ac_cv_func_mmap_dev_zero=buggy
+ fi
+fi
+rm -fr conftest*
+fi
+
+
+fi
+
+echo "$ac_t""$ac_cv_func_mmap_dev_zero" 1>&6
+if test $ac_cv_func_mmap_dev_zero = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_MMAP_DEV_ZERO 1
+EOF
+
+fi
+
+echo $ac_n "checking for working mmap with MAP_ANON(YMOUS)""... $ac_c" 1>&6
+echo "configure:3545: checking for working mmap with MAP_ANON(YMOUS)" >&5
+if eval "test \"`echo '$''{'ac_cv_func_mmap_anon'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test "$cross_compiling" = yes; then
+ # Unlike /dev/zero, it is not safe to assume MAP_ANON(YMOUS) works
+ # just because it's there. Some SCO Un*xen define it but don't implement it.
+ ac_cv_func_mmap_anon=no
+else
+ cat > conftest.$ac_ext <<EOF
+#line 3555 "configure"
+#include "confdefs.h"
+#define USE_MAP_ANON
+#include "ct-mmap.inc"
+EOF
+if { (eval echo configure:3560: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
- ac_cv_func_mmap_anywhere=yes
+ ac_cv_func_mmap_anon=yes
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
- ac_cv_func_mmap_anywhere=no
+ if test $? -lt 4
+ then ac_cv_func_mmap_anon=no
+ else ac_cv_func_mmap_anon=buggy
+ fi
fi
rm -fr conftest*
fi
+
fi
-echo "$ac_t""$ac_cv_func_mmap_anywhere" 1>&6
-if test $ac_cv_func_mmap_anywhere = yes; then
+echo "$ac_t""$ac_cv_func_mmap_anon" 1>&6
+if test $ac_cv_func_mmap_anon = yes; then
cat >> confdefs.h <<\EOF
-#define HAVE_MMAP_ANYWHERE 1
+#define HAVE_MMAP_ANON 1
EOF
fi
+rm -f ct-mmap.inc
echo $ac_n "checking for working mmap of a file""... $ac_c" 1>&6
-echo "configure:3406: checking for working mmap of a file" >&5
+echo "configure:3588: checking for working mmap of a file" >&5
if eval "test \"`echo '$''{'ac_cv_func_mmap_file'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_func_mmap_file=no
else
cat > conftest.$ac_ext <<EOF
-#line 3421 "configure"
+#line 3603 "configure"
#include "confdefs.h"
/* Test by Zack Weinberg. Modified from MMAP_ANYWHERE test by
exit(0);
}
EOF
-if { (eval echo configure:3458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3640: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_func_mmap_file=yes
else
do
ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:3491: checking whether $ac_func is declared" >&5
+echo "configure:3673: checking whether $ac_func is declared" >&5
if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3496 "configure"
+#line 3678 "configure"
#include "confdefs.h"
#include "gansidecl.h"
#include "system.h"
#endif
; return 0; }
EOF
-if { (eval echo configure:3507: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3689: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
eval "gcc_cv_have_decl_$ac_func=yes"
else
do
ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:3600: checking whether $ac_func is declared" >&5
+echo "configure:3782: checking whether $ac_func is declared" >&5
if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3605 "configure"
+#line 3787 "configure"
#include "confdefs.h"
#include "gansidecl.h"
#include "system.h"
#endif
; return 0; }
EOF
-if { (eval echo configure:3620: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3802: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
eval "gcc_cv_have_decl_$ac_func=yes"
else
# mkdir takes a single argument on some systems.
echo $ac_n "checking if mkdir takes one argument""... $ac_c" 1>&6
-echo "configure:3663: checking if mkdir takes one argument" >&5
+echo "configure:3845: checking if mkdir takes one argument" >&5
if eval "test \"`echo '$''{'gcc_cv_mkdir_takes_one_arg'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 3668 "configure"
+#line 3850 "configure"
#include "confdefs.h"
#include <sys/types.h>
mkdir ("foo", 0);
; return 0; }
EOF
-if { (eval echo configure:3685: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3867: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
gcc_cv_mkdir_takes_one_arg=no
else
echo $ac_n "checking for strerror in -lcposix""... $ac_c" 1>&6
-echo "configure:3996: checking for strerror in -lcposix" >&5
+echo "configure:4178: checking for strerror in -lcposix" >&5
ac_lib_var=`echo cposix'_'strerror | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lcposix $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4004 "configure"
+#line 4186 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
strerror()
; return 0; }
EOF
-if { (eval echo configure:4015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4038: checking for working const" >&5
+echo "configure:4220: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4043 "configure"
+#line 4225 "configure"
#include "confdefs.h"
int main() {
/* Ultrix mips cc rejects this. */
-typedef int charset[2]; const charset x;
+typedef int charset[2]; const charset x = {0,0};
/* SunOS 4.1.1 cc rejects this. */
char const *const *ccp;
char **p;
; return 0; }
EOF
-if { (eval echo configure:4092: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_c_const=yes
else
fi
echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:4113: checking for off_t" >&5
+echo "configure:4295: checking for off_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4118 "configure"
+#line 4300 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
fi
echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:4146: checking for size_t" >&5
+echo "configure:4328: checking for size_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4151 "configure"
+#line 4333 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:4181: checking for working alloca.h" >&5
+echo "configure:4363: checking for working alloca.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4186 "configure"
+#line 4368 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() {
-char *p = alloca(2 * sizeof(int));
+void *p = alloca(2 * sizeof(int));
; return 0; }
EOF
-if { (eval echo configure:4193: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4375: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_header_alloca_h=yes
else
fi
echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:4214: checking for alloca" >&5
+echo "configure:4396: checking for alloca" >&5
if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4219 "configure"
+#line 4401 "configure"
#include "confdefs.h"
#ifdef __GNUC__
char *p = (char *) alloca(1);
; return 0; }
EOF
-if { (eval echo configure:4247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_func_alloca_works=yes
else
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:4279: checking whether alloca needs Cray hooks" >&5
+echo "configure:4461: checking whether alloca needs Cray hooks" >&5
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4284 "configure"
+#line 4466 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4309: checking for $ac_func" >&5
+echo "configure:4491: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4314 "configure"
+#line 4496 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4337: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
fi
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:4364: checking stack direction for C alloca" >&5
+echo "configure:4546: checking stack direction for C alloca" >&5
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
-#line 4372 "configure"
+#line 4554 "configure"
#include "confdefs.h"
find_stack_direction ()
{
exit (find_stack_direction() < 0);
}
EOF
-if { (eval echo configure:4391: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4573: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
ac_cv_c_stack_direction=1
else
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4418: checking for $ac_hdr" >&5
+echo "configure:4600: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4423 "configure"
+#line 4605 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4428: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4610: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
strdup __argz_count __argz_stringify __argz_next
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4458: checking for $ac_func" >&5
+echo "configure:4640: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4463 "configure"
+#line 4645 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
for ac_func in stpcpy
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4515: checking for $ac_func" >&5
+echo "configure:4697: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4520 "configure"
+#line 4702 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
if test $ac_cv_header_locale_h = yes; then
echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:4577: checking for LC_MESSAGES" >&5
+echo "configure:4759: checking for LC_MESSAGES" >&5
if eval "test \"`echo '$''{'am_cv_val_LC_MESSAGES'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4582 "configure"
+#line 4764 "configure"
#include "confdefs.h"
#include <locale.h>
int main() {
return LC_MESSAGES
; return 0; }
EOF
-if { (eval echo configure:4589: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4771: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
am_cv_val_LC_MESSAGES=yes
else
fi
fi
echo $ac_n "checking whether NLS is requested""... $ac_c" 1>&6
-echo "configure:4610: checking whether NLS is requested" >&5
+echo "configure:4792: checking whether NLS is requested" >&5
# Check whether --enable-nls or --disable-nls was given.
if test "${enable_nls+set}" = set; then
enableval="$enable_nls"
EOF
echo $ac_n "checking whether included gettext is requested""... $ac_c" 1>&6
-echo "configure:4630: checking whether included gettext is requested" >&5
+echo "configure:4812: checking whether included gettext is requested" >&5
# Check whether --with-included-gettext or --without-included-gettext was given.
if test "${with_included_gettext+set}" = set; then
withval="$with_included_gettext"
ac_safe=`echo "libintl.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for libintl.h""... $ac_c" 1>&6
-echo "configure:4649: checking for libintl.h" >&5
+echo "configure:4831: checking for libintl.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4654 "configure"
+#line 4836 "configure"
#include "confdefs.h"
#include <libintl.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4659: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4841: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&6
echo $ac_n "checking for gettext in libc""... $ac_c" 1>&6
-echo "configure:4676: checking for gettext in libc" >&5
+echo "configure:4858: checking for gettext in libc" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4681 "configure"
+#line 4863 "configure"
#include "confdefs.h"
#include <libintl.h>
int main() {
return (int) gettext ("")
; return 0; }
EOF
-if { (eval echo configure:4688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4870: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
gt_cv_func_gettext_libc=yes
else
if test "$gt_cv_func_gettext_libc" != "yes"; then
echo $ac_n "checking for bindtextdomain in -lintl""... $ac_c" 1>&6
-echo "configure:4704: checking for bindtextdomain in -lintl" >&5
+echo "configure:4886: checking for bindtextdomain in -lintl" >&5
ac_lib_var=`echo intl'_'bindtextdomain | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lintl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4712 "configure"
+#line 4894 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
bindtextdomain()
; return 0; }
EOF
-if { (eval echo configure:4723: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4905: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
echo "$ac_t""yes" 1>&6
echo $ac_n "checking for gettext in libintl""... $ac_c" 1>&6
-echo "configure:4739: checking for gettext in libintl" >&5
+echo "configure:4921: checking for gettext in libintl" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libintl'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
echo $ac_n "checking for gettext in -lintl""... $ac_c" 1>&6
-echo "configure:4744: checking for gettext in -lintl" >&5
+echo "configure:4926: checking for gettext in -lintl" >&5
ac_lib_var=`echo intl'_'gettext | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-lintl $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 4752 "configure"
+#line 4934 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
gettext()
; return 0; }
EOF
-if { (eval echo configure:4763: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4945: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4802: checking for $ac_word" >&5
+echo "configure:4984: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_MSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
for ac_func in dcgettext
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4836: checking for $ac_func" >&5
+echo "configure:5018: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 4841 "configure"
+#line 5023 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
; return 0; }
EOF
-if { (eval echo configure:4864: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4891: checking for $ac_word" >&5
+echo "configure:5073: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4927: checking for $ac_word" >&5
+echo "configure:5109: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
cat > conftest.$ac_ext <<EOF
-#line 4959 "configure"
+#line 5141 "configure"
#include "confdefs.h"
int main() {
return _nl_msg_cat_cntr
; return 0; }
EOF
-if { (eval echo configure:4967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5149: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
CATOBJEXT=.gmo
DATADIRNAME=share
if test "$CATOBJEXT" = "NONE"; then
echo $ac_n "checking whether catgets can be used""... $ac_c" 1>&6
-echo "configure:4992: checking whether catgets can be used" >&5
+echo "configure:5174: checking whether catgets can be used" >&5
# Check whether --with-catgets or --without-catgets was given.
if test "${with_catgets+set}" = set; then
withval="$with_catgets"
if test "$nls_cv_use_catgets" = "yes"; then
echo $ac_n "checking for main in -li""... $ac_c" 1>&6
-echo "configure:5005: checking for main in -li" >&5
+echo "configure:5187: checking for main in -li" >&5
ac_lib_var=`echo i'_'main | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
ac_save_LIBS="$LIBS"
LIBS="-li $LIBS"
cat > conftest.$ac_ext <<EOF
-#line 5013 "configure"
+#line 5195 "configure"
#include "confdefs.h"
int main() {
main()
; return 0; }
EOF
-if { (eval echo configure:5020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5202: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes"
else
fi
echo $ac_n "checking for catgets""... $ac_c" 1>&6
-echo "configure:5048: checking for catgets" >&5
+echo "configure:5230: checking for catgets" >&5
if eval "test \"`echo '$''{'ac_cv_func_catgets'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5053 "configure"
+#line 5235 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char catgets(); below. */
; return 0; }
EOF
-if { (eval echo configure:5076: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
eval "ac_cv_func_catgets=yes"
else
# Extract the first word of "gencat", so it can be a program name with args.
set dummy gencat; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5098: checking for $ac_word" >&5
+echo "configure:5280: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_GENCAT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5134: checking for $ac_word" >&5
+echo "configure:5316: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5171: checking for $ac_word" >&5
+echo "configure:5353: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5209: checking for $ac_word" >&5
+echo "configure:5391: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "msgfmt", so it can be a program name with args.
set dummy msgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5267: checking for $ac_word" >&5
+echo "configure:5449: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_MSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "gmsgfmt", so it can be a program name with args.
set dummy gmsgfmt; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5301: checking for $ac_word" >&5
+echo "configure:5483: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_GMSGFMT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
# Extract the first word of "xgettext", so it can be a program name with args.
set dummy xgettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5340: checking for $ac_word" >&5
+echo "configure:5522: checking for $ac_word" >&5
if eval "test \"`echo '$''{'gcc_cv_path_XGETTEXT'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
LINGUAS=
else
echo $ac_n "checking for catalogs to be installed""... $ac_c" 1>&6
-echo "configure:5439: checking for catalogs to be installed" >&5
+echo "configure:5621: checking for catalogs to be installed" >&5
if test "x$LINGUAS" = "x"; then
LINGUAS=$ALL_LINGUAS
else
if test "$CATOBJEXT" = ".cat"; then
ac_safe=`echo "linux/version.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for linux/version.h""... $ac_c" 1>&6
-echo "configure:5471: checking for linux/version.h" >&5
+echo "configure:5653: checking for linux/version.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 5476 "configure"
+#line 5658 "configure"
#include "confdefs.h"
#include <linux/version.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5481: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5663: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
echo $ac_n "checking whether windows registry support is requested""... $ac_c" 1>&6
-echo "configure:5556: checking whether windows registry support is requested" >&5
+echo "configure:5738: checking whether windows registry support is requested" >&5
if test x$enable_win32_registry != xno; then
cat >> confdefs.h <<\EOF
#define ENABLE_WIN32_REGISTRY 1
if test x$enable_win32_registry != xno; then
echo $ac_n "checking registry key on windows hosts""... $ac_c" 1>&6
-echo "configure:5585: checking registry key on windows hosts" >&5
+echo "configure:5767: checking registry key on windows hosts" >&5
cat >> confdefs.h <<EOF
#define WIN32_REGISTRY_KEY "$gcc_cv_win32_registry_key"
EOF
# Figure out what assembler we will be using.
echo $ac_n "checking what assembler to use""... $ac_c" 1>&6
-echo "configure:5765: checking what assembler to use" >&5
+echo "configure:5947: checking what assembler to use" >&5
gcc_cv_as=
gcc_cv_gas_major_version=
gcc_cv_gas_minor_version=
# Figure out what nm we will be using.
echo $ac_n "checking what nm to use""... $ac_c" 1>&6
-echo "configure:5850: checking what nm to use" >&5
+echo "configure:6032: checking what nm to use" >&5
if test -x nm$host_exeext; then
gcc_cv_nm=./nm$host_exeext
elif test x$host = x$target; then
# Figure out what assembler alignment features are present.
echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
-echo "configure:5861: checking assembler alignment features" >&5
+echo "configure:6043: checking assembler alignment features" >&5
gcc_cv_as_alignment_features=none
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
# Gas version 2.6 and later support for .balign and .p2align.
echo "$ac_t""$gcc_cv_as_alignment_features" 1>&6
echo $ac_n "checking assembler subsection support""... $ac_c" 1>&6
-echo "configure:5909: checking assembler subsection support" >&5
+echo "configure:6091: checking assembler subsection support" >&5
gcc_cv_as_subsections=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
echo "$ac_t""$gcc_cv_as_subsections" 1>&6
echo $ac_n "checking assembler weak support""... $ac_c" 1>&6
-echo "configure:5949: checking assembler weak support" >&5
+echo "configure:6131: checking assembler weak support" >&5
gcc_cv_as_weak=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then
echo "$ac_t""$gcc_cv_as_weak" 1>&6
echo $ac_n "checking assembler hidden support""... $ac_c" 1>&6
-echo "configure:5972: checking assembler hidden support" >&5
+echo "configure:6154: checking assembler hidden support" >&5
gcc_cv_as_hidden=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then
case "$target" in
sparc*-*-*)
echo $ac_n "checking assembler .register pseudo-op support""... $ac_c" 1>&6
-echo "configure:5998: checking assembler .register pseudo-op support" >&5
+echo "configure:6180: checking assembler .register pseudo-op support" >&5
if eval "test \"`echo '$''{'gcc_cv_as_register_pseudo_op'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
fi
echo $ac_n "checking assembler supports -relax""... $ac_c" 1>&6
-echo "configure:6026: checking assembler supports -relax" >&5
+echo "configure:6208: checking assembler supports -relax" >&5
if eval "test \"`echo '$''{'gcc_cv_as_relax_opt'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
case "$tm_file" in
*64*)
echo $ac_n "checking for 64 bit support in assembler ($gcc_cv_as)""... $ac_c" 1>&6
-echo "configure:6056: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
+echo "configure:6238: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
if eval "test \"`echo '$''{'gcc_cv_as_flags64'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "x$gcc_cv_as_flags64" != xno; then
echo $ac_n "checking for assembler offsetable %lo() support""... $ac_c" 1>&6
-echo "configure:6101: checking for assembler offsetable %lo() support" >&5
+echo "configure:6283: checking for assembler offsetable %lo() support" >&5
if eval "test \"`echo '$''{'gcc_cv_as_offsetable_lo10'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
i[34567]86-*-*)
echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
-echo "configure:6140: checking assembler instructions" >&5
+echo "configure:6322: checking assembler instructions" >&5
gcc_cv_as_instructions=
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
esac
echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:6169: checking assembler dwarf2 debug_line support" >&5
+echo "configure:6351: checking assembler dwarf2 debug_line support" >&5
gcc_cv_as_dwarf2_debug_line=no
# ??? Not all targets support dwarf2 debug_line, even within a version
# of gas. Moreover, we need to emit a valid instruction to trigger any
;;
esac
else
- if test $ac_cv_func_mmap_anywhere = yes \
+ if test $ac_cv_func_mmap_dev_zero = yes \
+ || test $ac_cv_func_mmap_anon = yes \
|| test $ac_cv_func_valloc = yes; then
GGC=ggc-page
else
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:6342: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:6525: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
enableval="$enable_maintainer_mode"
AC_MSG_ERROR([$withval is an invalid option to --with-gc])
;;
esac],
-[if test $ac_cv_func_mmap_anywhere = yes \
+[if test $ac_cv_func_mmap_dev_zero = yes \
+ || test $ac_cv_func_mmap_anon = yes \
|| test $ac_cv_func_valloc = yes; then
GGC=ggc-page
else
#include "ggc.h"
#include "timevar.h"
-#ifdef HAVE_MMAP_ANYWHERE
-#include <sys/mman.h>
+/* Prefer MAP_ANON(YMOUS) to /dev/zero, since we don't need to keep a
+ file open. Prefer either to valloc. */
+#ifdef HAVE_MMAP_ANON
+# undef HAVE_MMAP_DEV_ZERO
+# undef HAVE_VALLOC
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+# define MAP_FAILED -1
+# endif
+# if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+# define MAP_ANONYMOUS MAP_ANON
+# endif
+# define USING_MMAP
+
#endif
-#ifndef MAP_FAILED
-#define MAP_FAILED -1
+#ifdef HAVE_MMAP_DEV_ZERO
+# undef HAVE_VALLOC
+
+# include <sys/mman.h>
+# ifndef MAP_FAILED
+# define MAP_FAILED -1
+# endif
+# define USING_MMAP
+
#endif
-#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
-#define MAP_ANONYMOUS MAP_ANON
+#ifdef HAVE_VALLOC
+# undef MAP_FAILED
+# define MAP_FAILED 0
#endif
/* Stategy:
unsigned short context_depth;
/* A file descriptor open to /dev/zero for reading. */
-#if defined (HAVE_MMAP_ANYWHERE) && !defined(MAP_ANONYMOUS)
+#if defined (HAVE_MMAP_DEV_ZERO)
int dev_zero_fd;
#endif
}
/* Allocate SIZE bytes of anonymous memory, preferably near PREF,
- (if non-null). */
+ (if non-null). The ifdef structure here is intended to cause a
+ compile error unless exactly one of the HAVE_* is defined. */
static inline char *
alloc_anon (pref, size)
char *pref ATTRIBUTE_UNUSED;
size_t size;
{
- char *page;
-
-#ifdef HAVE_MMAP_ANYWHERE
-#ifdef MAP_ANONYMOUS
- page = (char *) mmap (pref, size, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-#else
- page = (char *) mmap (pref, size, PROT_READ | PROT_WRITE,
- MAP_PRIVATE, G.dev_zero_fd, 0);
+#ifdef HAVE_MMAP_ANON
+ char *page = (char *) mmap (pref, size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+#endif
+#ifdef HAVE_MMAP_DEV_ZERO
+ char *page = (char *) mmap (pref, size, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE, G.dev_zero_fd, 0);
#endif
- if (page == (char *) MAP_FAILED)
- {
- fputs ("Virtual memory exhausted!\n", stderr);
- exit(1);
- }
-#else
#ifdef HAVE_VALLOC
- page = (char *) valloc (size);
- if (!page)
+ char *page = (char *) valloc (size);
+#endif
+
+ if (page == (char *) MAP_FAILED)
{
fputs ("Virtual memory exhausted!\n", stderr);
exit(1);
}
-#endif /* HAVE_VALLOC */
-#endif /* HAVE_MMAP_ANYWHERE */
/* Remember that we allocated this memory. */
G.bytes_mapped += size;
else
free (p);
}
-#ifdef HAVE_MMAP_ANYWHERE
+#ifdef USING_MMAP
else if (entry_size == G.pagesize)
{
/* We want just one page. Allocate a bunch of them and put the
{
page_entry *p, *next;
-#ifdef HAVE_MMAP_ANYWHERE
+#ifdef USING_MMAP
char *start;
size_t len;
G.bytes_mapped -= len;
}
#else
-#ifdef HAVE_VALLOC
-
for (p = G.free_pages; p; p = next)
{
next = p->next;
G.bytes_mapped -= p->bytes;
free (p);
}
-#endif /* HAVE_VALLOC */
-#endif /* HAVE_MMAP_ANYWHERE */
+#endif /* USING_MMAP */
G.free_pages = NULL;
}
G.pagesize = getpagesize();
G.lg_pagesize = exact_log2 (G.pagesize);
-#if defined (HAVE_MMAP_ANYWHERE) && !defined(MAP_ANONYMOUS)
+#ifdef HAVE_MMAP_DEV_ZERO
G.dev_zero_fd = open ("/dev/zero", O_RDONLY);
if (G.dev_zero_fd == -1)
abort ();
G.allocated_last_gc = GGC_MIN_LAST_ALLOCATED;
-#ifdef HAVE_MMAP_ANYWHERE
+#ifdef USING_MMAP
/* StunOS has an amazing off-by-one error for the first mmap allocation
after fiddling with RLIMIT_STACK. The result, as hard as it is to
believe, is an unaligned page allocation, which would cause us to
hork badly if we tried to use it. */
{
char *p = alloc_anon (NULL, G.pagesize);
+ struct page_entry *e;
if ((size_t)p & (G.pagesize - 1))
{
/* How losing. Discard this one and try another. If we still
if ((size_t)p & (G.pagesize - 1))
abort ();
}
- munmap (p, G.pagesize);
+
+ /* We have a good page, might as well hold onto it... */
+ e = (struct page_entry *) xcalloc (1, sizeof (struct page_entry));
+ e->bytes = G.pagesize;
+ e->page = p;
+ e->next = G.free_pages;
+ G.free_pages = e;
}
#endif