dnl Try to detect the type of the third arg to getsockname() et al AC_DEFUN([LSH_TYPE_SOCKLEN_T], [AH_TEMPLATE([socklen_t], [Length type used by getsockopt]) AC_CACHE_CHECK([for socklen_t in sys/socket.h], ac_cv_type_socklen_t, [AC_EGREP_HEADER(socklen_t, sys/socket.h, [ac_cv_type_socklen_t=yes], [ac_cv_type_socklen_t=no])]) if test $ac_cv_type_socklen_t = no; then AC_MSG_CHECKING(for AIX) AC_EGREP_CPP(yes, [ #ifdef _AIX yes #endif ],[ AC_MSG_RESULT(yes) AC_DEFINE(socklen_t, size_t) ],[ AC_MSG_RESULT(no) AC_DEFINE(socklen_t, int) ]) fi ]) dnl Choose cc flags for compiling position independent code dnl FIXME: Doesn't do the right thing when crosscompiling. AC_DEFUN([LSH_CCPIC], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_MSG_CHECKING(CCPIC) AC_CACHE_VAL(lsh_cv_sys_ccpic,[ if test -z "$CCPIC" ; then if test "$GCC" = yes ; then case "$host_os" in bsdi4.*) CCPIC="-fPIC" ;; bsdi*) CCPIC="" ;; darwin*) CCPIC="-fPIC" ;; # Could also use -fpic, depending on the number of symbol references solaris*) CCPIC="-fPIC" ;; cygwin*) CCPIC="" ;; mingw32*) CCPIC="" ;; *) CCPIC="-fpic" ;; esac else case "$host_os" in darwin*) CCPIC="-fPIC" ;; irix*) CCPIC="-share" ;; hpux*) CCPIC="+z"; ;; *freebsd*) CCPIC="-fpic" ;; sco*|sysv4.*) CCPIC="-KPIC -dy -Bdynamic" ;; solaris*) CCPIC="-KPIC -Bdynamic" ;; winnt*) CCPIC="-shared" ;; *) CCPIC="" ;; esac fi fi OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $CCPIC" AC_TRY_COMPILE([], [exit(0);], lsh_cv_sys_ccpic="$CCPIC", lsh_cv_sys_ccpic='') CFLAGS="$OLD_CFLAGS" ]) CCPIC="$lsh_cv_sys_ccpic" AC_MSG_RESULT($CCPIC) AC_SUBST([CCPIC])]) dnl LSH_PATH_ADD(path-id, directory) AC_DEFUN([LSH_PATH_ADD], [AC_MSG_CHECKING($2) ac_exists=no if test -d "$2/." ; then ac_real_dir=`cd $2 && pwd` if test -n "$ac_real_dir" ; then ac_exists=yes for old in $1_REAL_DIRS ; do ac_found=no if test x$ac_real_dir = x$old ; then ac_found=yes; break; fi done if test $ac_found = yes ; then AC_MSG_RESULT(already added) else AC_MSG_RESULT(added) # LDFLAGS="$LDFLAGS -L $2" $1_REAL_DIRS="$ac_real_dir [$]$1_REAL_DIRS" $1_DIRS="$2 [$]$1_DIRS" fi fi fi if test $ac_exists = no ; then AC_MSG_RESULT(not found) fi ]) dnl LSH_RPATH_ADD(dir) AC_DEFUN([LSH_RPATH_ADD], [LSH_PATH_ADD(RPATH_CANDIDATE, $1)]) dnl LSH_RPATH_INIT(candidates) AC_DEFUN([LSH_RPATH_INIT], [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_MSG_CHECKING([for -R flag]) RPATHFLAG='' case "$host_os" in osf1*) RPATHFLAG="-rpath " ;; irix6.*|irix5.*) RPATHFLAG="-rpath " ;; solaris*) if test "$TCC" = "yes"; then # tcc doesn't know about -R RPATHFLAG="-Wl,-R," else RPATHFLAG=-R fi ;; linux*) RPATHFLAG="-Wl,-rpath," ;; *) RPATHFLAG="" ;; esac if test x$RPATHFLAG = x ; then AC_MSG_RESULT(none) else AC_MSG_RESULT([using $RPATHFLAG]) fi RPATH_CANDIDATE_REAL_DIRS='' RPATH_CANDIDATE_DIRS='' AC_MSG_RESULT([Searching for libraries]) for d in $1 ; do LSH_RPATH_ADD($d) done ]) dnl Try to execute a main program, and if it fails, try adding some dnl -R flag. dnl LSH_RPATH_FIX AC_DEFUN([LSH_RPATH_FIX], [if test $cross_compiling = no -a "x$RPATHFLAG" != x ; then ac_success=no AC_TRY_RUN([int main(int argc, char **argv) { return 0; }], ac_success=yes, ac_success=no, :) if test $ac_success = no ; then AC_MSG_CHECKING([Running simple test program failed. Trying -R flags]) dnl echo RPATH_CANDIDATE_DIRS = $RPATH_CANDIDATE_DIRS ac_remaining_dirs='' ac_rpath_save_LDFLAGS="$LDFLAGS" for d in $RPATH_CANDIDATE_DIRS ; do if test $ac_success = yes ; then ac_remaining_dirs="$ac_remaining_dirs $d" else LDFLAGS="$RPATHFLAG$d $LDFLAGS" dnl echo LDFLAGS = $LDFLAGS AC_TRY_RUN([int main(int argc, char **argv) { return 0; }], [ac_success=yes ac_rpath_save_LDFLAGS="$LDFLAGS" AC_MSG_RESULT([adding $RPATHFLAG$d]) ], [ac_remaining_dirs="$ac_remaining_dirs $d"], :) LDFLAGS="$ac_rpath_save_LDFLAGS" fi done RPATH_CANDIDATE_DIRS=$ac_remaining_dirs fi if test $ac_success = no ; then AC_MSG_RESULT(failed) fi fi ]) dnl Like AC_CHECK_LIB, but uses $KRB_LIBS rather than $LIBS. dnl LSH_CHECK_KRB_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [, dnl ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]]) AC_DEFUN([LSH_CHECK_KRB_LIB], [AC_CHECK_LIB([$1], [$2], ifelse([$3], , [[ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` AC_DEFINE_UNQUOTED($ac_tr_lib) KRB_LIBS="-l$1 $KRB_LIBS" ]], [$3]), ifelse([$4], , , [$4 ])dnl , [$5 $KRB_LIBS]) ]) dnl LSH_LIB_ARGP(ACTION-IF-OK, ACTION-IF-BAD) AC_DEFUN([LSH_LIB_ARGP], [ ac_argp_save_LIBS="$LIBS" ac_argp_save_LDFLAGS="$LDFLAGS" ac_argp_ok=no # First check if we can link with argp. AC_SEARCH_LIBS(argp_parse, argp, [ LSH_RPATH_FIX AC_CACHE_CHECK([for working argp], lsh_cv_lib_argp_works, [ AC_TRY_RUN( [#include #include static const struct argp_option options[] = { { NULL, 0, NULL, 0, NULL, 0 } }; struct child_state { int n; }; static error_t child_parser(int key, char *arg, struct argp_state *state) { struct child_state *input = (struct child_state *) state->input; switch(key) { default: return ARGP_ERR_UNKNOWN; case ARGP_KEY_END: if (!input->n) input->n = 1; break; } return 0; } const struct argp child_argp = { options, child_parser, NULL, NULL, NULL, NULL, NULL }; struct main_state { struct child_state child; int m; }; static error_t main_parser(int key, char *arg, struct argp_state *state) { struct main_state *input = (struct main_state *) state->input; switch(key) { default: return ARGP_ERR_UNKNOWN; case ARGP_KEY_INIT: state->child_inputs[0] = &input->child; break; case ARGP_KEY_END: if (!input->m) input->m = input->child.n; break; } return 0; } static const struct argp_child main_children[] = { { &child_argp, 0, "", 0 }, { NULL, 0, NULL, 0} }; static const struct argp main_argp = { options, main_parser, NULL, NULL, main_children, NULL, NULL }; int main(int argc, char **argv) { struct main_state input = { { 0 }, 0 }; char *v[2] = { "foo", NULL }; argp_parse(&main_argp, 1, v, 0, NULL, &input); if ( (input.m == 1) && (input.child.n == 1) ) return 0; else return 1; } ], lsh_cv_lib_argp_works=yes, lsh_cv_lib_argp_works=no, lsh_cv_lib_argp_works=no)]) if test x$lsh_cv_lib_argp_works = xyes ; then ac_argp_ok=yes else # Reset link flags LIBS="$ac_argp_save_LIBS" LDFLAGS="$ac_argp_save_LDFLAGS" fi]) if test x$ac_argp_ok = xyes ; then ifelse([$1],, true, [$1]) else ifelse([$2],, true, [$2]) fi ]) dnl LSH_GCC_ATTRIBUTES dnl Check for gcc's __attribute__ construction AC_DEFUN([LSH_GCC_ATTRIBUTES], [AC_CACHE_CHECK(for __attribute__, lsh_cv_c_attribute, [ AC_TRY_COMPILE([ #include static void foo(void) __attribute__ ((noreturn)); static void __attribute__ ((noreturn)) foo(void) { exit(1); } ],[], lsh_cv_c_attribute=yes, lsh_cv_c_attribute=no)]) AH_TEMPLATE([HAVE_GCC_ATTRIBUTE], [Define if the compiler understands __attribute__]) if test "x$lsh_cv_c_attribute" = "xyes"; then AC_DEFINE(HAVE_GCC_ATTRIBUTE) fi AH_BOTTOM( [#if __GNUC__ && HAVE_GCC_ATTRIBUTE # define NORETURN __attribute__ ((__noreturn__)) # define PRINTF_STYLE(f, a) __attribute__ ((__format__ (__printf__, f, a))) # define UNUSED __attribute__ ((__unused__)) #else # define NORETURN # define PRINTF_STYLE(f, a) # define UNUSED #endif ])]) # Check for alloca, and include the standard blurb in config.h AC_DEFUN([LSH_FUNC_ALLOCA], [AC_FUNC_ALLOCA AC_CHECK_HEADERS([malloc.h]) AH_BOTTOM( [/* AIX requires this to be the first thing in the file. */ #ifndef __GNUC__ # if HAVE_ALLOCA_H # include # else # ifdef _AIX #pragma alloca # else # ifndef alloca /* predefined by HP cc +Olibcalls */ char *alloca (); # endif # endif /* Needed for alloca on windows */ # if HAVE_MALLOC_H # include # endif # endif #else /* defined __GNUC__ */ # if HAVE_ALLOCA_H # include # else /* Needed for alloca on windows, also with gcc */ # if HAVE_MALLOC_H # include # endif # endif #endif ])]) AC_DEFUN([LSH_FUNC_STRERROR], [AC_CHECK_FUNCS(strerror) AH_BOTTOM( [#if HAVE_STRERROR #define STRERROR strerror #else #define STRERROR(x) (sys_errlist[x]) #endif ])]) AC_DEFUN([LSH_FUNC_STRSIGNAL], [AC_CHECK_FUNCS(strsignal) AC_CHECK_DECLS([sys_siglist, _sys_siglist]) AH_BOTTOM( [#if HAVE_STRSIGNAL # define STRSIGNAL strsignal #else /* !HAVE_STRSIGNAL */ # if HAVE_DECL_SYS_SIGLIST # define STRSIGNAL(x) (sys_siglist[x]) # else # if HAVE_DECL__SYS_SIGLIST # define STRSIGNAL(x) (_sys_siglist[x]) # else # define STRSIGNAL(x) "Unknown signal" # if __GNUC__ # warning Using dummy STRSIGNAL # endif # endif # endif #endif /* !HAVE_STRSIGNAL */ ])]) dnl LSH_MAKE_CONDITIONAL(symbol, test) AC_DEFUN([LSH_MAKE_CONDITIONAL], [if $2 ; then IF_$1='' UNLESS_$1='# ' else IF_$1='# ' UNLESS_$1='' fi AC_SUBST(IF_$1) AC_SUBST(UNLESS_$1)]) dnl LSH_DEPENDENCY_TRACKING dnl Defines compiler flags DEP_FLAGS to generate dependency dnl information, and DEP_PROCESS that is any shell commands needed for dnl massaging the dependency information further. Dependencies are dnl generated as a side effect of compilation. Dependency files dnl themselves are not treated as targets. AC_DEFUN([LSH_DEPENDENCY_TRACKING], [AC_ARG_ENABLE(dependency_tracking, AC_HELP_STRING([--disable-dependency-tracking], [Disable dependency tracking. Dependency tracking doesn't work with BSD make]),, [enable_dependency_tracking=yes]) DEP_FLAGS='' DEP_PROCESS='true' if test x$enable_dependency_tracking = xyes ; then if test x$GCC = xyes ; then gcc_version=`gcc --version | head -1` case "$gcc_version" in 2.*|*[[!0-9.]]2.*) enable_dependency_tracking=no AC_MSG_WARN([Dependency tracking disabled, gcc-3.x is needed]) ;; *) DEP_FLAGS='-MT $[]@ -MD -MP -MF $[]@.d' DEP_PROCESS='true' ;; esac else enable_dependency_tracking=no AC_MSG_WARN([Dependency tracking disabled]) fi fi if test x$enable_dependency_tracking = xyes ; then DEP_INCLUDE='include ' else DEP_INCLUDE='# ' fi AC_SUBST([DEP_INCLUDE]) AC_SUBST([DEP_FLAGS]) AC_SUBST([DEP_PROCESS])]) dnl GMP_TRY_ASSEMBLE(asm-code,[action-success][,action-fail]) dnl ---------------------------------------------------------- dnl Attempt to assemble the given code. dnl Do "action-success" if this succeeds, "action-fail" if not. dnl dnl conftest.o and conftest.out are available for inspection in dnl "action-success". If either action does a "break" out of a loop then dnl an explicit "rm -f conftest*" will be necessary. dnl dnl This is not unlike AC_TRY_COMPILE, but there's no default includes or dnl anything in "asm-code", everything wanted must be given explicitly. AC_DEFUN([GMP_TRY_ASSEMBLE], [cat >conftest.s <&AC_FD_CC ifelse([$2],,:,[$2]) else cat conftest.out >&AC_FD_CC echo "configure: failed program was:" >&AC_FD_CC cat conftest.s >&AC_FD_CC ifelse([$3],,:,[$3]) fi rm -f conftest* ]) dnl GMP_PROG_CC_FOR_BUILD dnl --------------------- dnl Establish CC_FOR_BUILD, a C compiler for the build system. dnl dnl If CC_FOR_BUILD is set then it's expected to work, likewise the old dnl style HOST_CC, otherwise some likely candidates are tried, the same as dnl configfsf.guess. AC_DEFUN([GMP_PROG_CC_FOR_BUILD], [AC_REQUIRE([AC_PROG_CC]) if test -n "$CC_FOR_BUILD"; then GMP_PROG_CC_FOR_BUILD_WORKS($CC_FOR_BUILD,, [AC_MSG_ERROR([Specified CC_FOR_BUILD doesn't seem to work])]) elif test -n "$HOST_CC"; then GMP_PROG_CC_FOR_BUILD_WORKS($HOST_CC, [CC_FOR_BUILD=$HOST_CC], [AC_MSG_ERROR([Specified HOST_CC doesn't seem to work])]) elif test $cross_compiling = no ; then CC_FOR_BUILD="$CC" else for i in cc gcc c89 c99; do GMP_PROG_CC_FOR_BUILD_WORKS($i, [CC_FOR_BUILD=$i break]) done if test -z "$CC_FOR_BUILD"; then AC_MSG_ERROR([Cannot find a build system compiler]) fi fi AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler]) AC_SUBST(CC_FOR_BUILD) ]) dnl GMP_PROG_CC_FOR_BUILD_WORKS(cc/cflags[,[action-if-good][,action-if-bad]]) dnl ------------------------------------------------------------------------- dnl See if the given cc/cflags works on the build system. dnl dnl It seems easiest to just use the default compiler output, rather than dnl figuring out the .exe or whatever at this stage. AC_DEFUN([GMP_PROG_CC_FOR_BUILD_WORKS], [AC_MSG_CHECKING([build system compiler $1]) # remove anything that might look like compiler output to our "||" expression rm -f conftest* a.out b.out a.exe a_out.exe cat >conftest.c <&AC_FD_CC 2>&1; then cc_for_build_works=yes fi fi rm -f conftest* a.out b.out a.exe a_out.exe AC_MSG_RESULT($cc_for_build_works) if test "$cc_for_build_works" = yes; then ifelse([$2],,:,[$2]) else ifelse([$3],,:,[$3]) fi ]) dnl GMP_PROG_EXEEXT_FOR_BUILD dnl ------------------------- dnl Determine EXEEXT_FOR_BUILD, the build system executable suffix. dnl dnl The idea is to find what "-o conftest$foo" will make it possible to run dnl the program with ./conftest. On Unix-like systems this is of course dnl nothing, for DOS it's ".exe", or for a strange RISC OS foreign file dnl system cross compile it can be ",ff8" apparently. Not sure if the dnl latter actually applies to a build-system executable, maybe it doesn't, dnl but it won't hurt to try. AC_DEFUN([GMP_PROG_EXEEXT_FOR_BUILD], [AC_REQUIRE([GMP_PROG_CC_FOR_BUILD]) AC_CACHE_CHECK([for build system executable suffix], gmp_cv_prog_exeext_for_build, [if test $cross_compiling = no ; then gmp_cv_prog_exeext_for_build="$EXEEXT" else cat >conftest.c <&AC_FD_CC; then gmp_cv_prog_exeext_for_build=$i break fi fi done rm -f conftest* if test "${gmp_cv_prog_exeext_for_build+set}" != set; then AC_MSG_ERROR([Cannot determine executable suffix]) fi fi ]) AC_SUBST(EXEEXT_FOR_BUILD,$gmp_cv_prog_exeext_for_build) ]) dnl NETTLE_CHECK_ARM_NEON dnl --------------------- dnl Check if ARM Neon instructions should be used. dnl Obeys enable_arm_neon, which should be set earlier. AC_DEFUN([NETTLE_CHECK_ARM_NEON], [if test "$enable_arm_neon" = auto ; then if test "$cross_compiling" = yes ; then dnl Check if compiler/assembler accepts it, dnl without an explicit .fpu neon directive. AC_CACHE_CHECK([if assembler accepts Neon instructions], nettle_cv_asm_arm_neon, [GMP_TRY_ASSEMBLE([ .text foo: vmlal.u32 q1, d0, d1 ], [nettle_cv_asm_arm_neon=yes], [nettle_cv_asm_arm_neon=no])]) enable_arm_neon="$nettle_cv_asm_arm_neon" else AC_MSG_CHECKING([if /proc/cpuinfo claims neon support]) if grep '^Features.*:.* neon' /proc/cpuinfo >/dev/null ; then enable_arm_neon=yes else enable_arm_neon=no fi AC_MSG_RESULT($enable_arm_neon) fi fi ]) dnl @synopsis AX_CREATE_STDINT_H [( HEADER-TO-GENERATE [, HEADERS-TO-CHECK])] dnl dnl the "ISO C9X: 7.18 Integer types " section requires the dnl existence of an include file that defines a set of dnl typedefs, especially uint8_t,int32_t,uintptr_t. dnl Many older installations will not provide this file, but some will dnl have the very same definitions in . In other enviroments dnl we can use the inet-types in which would define the dnl typedefs int8_t and u_int8_t respectivly. dnl dnl This macros will create a local "_stdint.h" or the headerfile given as dnl an argument. In many cases that file will just "#include " dnl or "#include ", while in other environments it will provide dnl the set of basic 'stdint's definitions/typedefs: dnl int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,intptr_t,uintptr_t dnl int_least32_t.. int_fast32_t.. intmax_t dnl which may or may not rely on the definitions of other files, dnl or using the AC_CHECK_SIZEOF macro to determine the actual dnl sizeof each type. dnl dnl if your header files require the stdint-types you will want to create an dnl installable file mylib-int.h that all your other installable header dnl may include. So if you have a library package named "mylib", just use dnl AX_CREATE_STDINT_H(mylib-int.h) dnl in configure.ac and go to install that very header file in Makefile.am dnl along with the other headers (mylib.h) - and the mylib-specific headers dnl can simply use "#include " to obtain the stdint-types. dnl dnl Remember, if the system already had a valid , the generated dnl file will include it directly. No need for fuzzy HAVE_STDINT_H things... dnl dnl @, (status: used on new platforms) (see http://ac-archive.sf.net/gstdint/) dnl @author Guido Draheim AC_DEFUN([AX_CREATE_STDINT_H], [# ------ AX CREATE STDINT H ------------------------------------- AC_MSG_CHECKING([for stdint types]) ac_stdint_h=`echo ifelse($1, , _stdint.h, $1)` # try to shortcircuit - if the default include path of the compiler # can find a "stdint.h" header then we assume that all compilers can. AC_CACHE_VAL([ac_cv_header_stdint_t],[ old_CXXFLAGS="$CXXFLAGS" ; CXXFLAGS="" old_CPPFLAGS="$CPPFLAGS" ; CPPFLAGS="" old_CFLAGS="$CFLAGS" ; CFLAGS="" AC_TRY_COMPILE([#include ],[int_least32_t v = 0;], [ac_cv_stdint_result="(assuming C99 compatible system)" ac_cv_header_stdint_t="stdint.h"; ], [ac_cv_header_stdint_t=""]) CXXFLAGS="$old_CXXFLAGS" CPPFLAGS="$old_CPPFLAGS" CFLAGS="$old_CFLAGS" ]) v="... $ac_cv_header_stdint_h" if test "$ac_stdint_h" = "stdint.h" ; then AC_MSG_RESULT([(are you sure you want them in ./stdint.h?)]) elif test "$ac_stdint_h" = "inttypes.h" ; then AC_MSG_RESULT([(are you sure you want them in ./inttypes.h?)]) elif test "_$ac_cv_header_stdint_t" = "_" ; then AC_MSG_RESULT([(putting them into $ac_stdint_h)$v]) else ac_cv_header_stdint="$ac_cv_header_stdint_t" AC_MSG_RESULT([$ac_cv_header_stdint (shortcircuit)]) fi if test "_$ac_cv_header_stdint_t" = "_" ; then # can not shortcircuit.. dnl .....intro message done, now do a few system checks..... dnl btw, all CHECK_TYPE macros do automatically "DEFINE" a type, therefore dnl we use the autoconf implementation detail _AC CHECK_TYPE_NEW instead inttype_headers=`echo $2 | sed -e 's/,/ /g'` ac_cv_stdint_result="(no helpful system typedefs seen)" AC_CACHE_CHECK([for stdint uintptr_t], [ac_cv_header_stdint_x],[ ac_cv_header_stdint_x="" # the 1997 typedefs (inttypes.h) AC_MSG_RESULT([(..)]) for i in stdint.h inttypes.h sys/inttypes.h $inttype_headers ; do unset ac_cv_type_uintptr_t unset ac_cv_type_uint64_t _AC_CHECK_TYPE_NEW(uintptr_t,[ac_cv_header_stdint_x=$i],dnl continue,[#include <$i>]) AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) ac_cv_stdint_result="(seen uintptr_t$and64 in $i)" break; done AC_MSG_CHECKING([for stdint uintptr_t]) ]) if test "_$ac_cv_header_stdint_x" = "_" ; then AC_CACHE_CHECK([for stdint uint32_t], [ac_cv_header_stdint_o],[ ac_cv_header_stdint_o="" # the 1995 typedefs (sys/inttypes.h) AC_MSG_RESULT([(..)]) for i in inttypes.h sys/inttypes.h stdint.h $inttype_headers ; do unset ac_cv_type_uint32_t unset ac_cv_type_uint64_t AC_CHECK_TYPE(uint32_t,[ac_cv_header_stdint_o=$i],dnl continue,[#include <$i>]) AC_CHECK_TYPE(uint64_t,[and64="/uint64_t"],[and64=""],[#include<$i>]) ac_cv_stdint_result="(seen uint32_t$and64 in $i)" break; done AC_MSG_CHECKING([for stdint uint32_t]) ]) fi if test "_$ac_cv_header_stdint_x" = "_" ; then if test "_$ac_cv_header_stdint_o" = "_" ; then AC_CACHE_CHECK([for stdint u_int32_t], [ac_cv_header_stdint_u],[ ac_cv_header_stdint_u="" # the BSD typedefs (sys/types.h) AC_MSG_RESULT([(..)]) for i in sys/types.h inttypes.h sys/inttypes.h $inttype_headers ; do unset ac_cv_type_u_int32_t unset ac_cv_type_u_int64_t AC_CHECK_TYPE(u_int32_t,[ac_cv_header_stdint_u=$i],dnl continue,[#include <$i>]) AC_CHECK_TYPE(u_int64_t,[and64="/u_int64_t"],[and64=""],[#include<$i>]) ac_cv_stdint_result="(seen u_int32_t$and64 in $i)" break; done AC_MSG_CHECKING([for stdint u_int32_t]) ]) fi fi dnl if there was no good C99 header file, do some typedef checks... if test "_$ac_cv_header_stdint_x" = "_" ; then AC_MSG_CHECKING([for stdint datatype model]) AC_MSG_RESULT([(..)]) AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(void*) ac_cv_stdint_char_model="" ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_char" ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_short" ac_cv_stdint_char_model="$ac_cv_stdint_char_model$ac_cv_sizeof_int" ac_cv_stdint_long_model="" ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_int" ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_long" ac_cv_stdint_long_model="$ac_cv_stdint_long_model$ac_cv_sizeof_voidp" name="$ac_cv_stdint_long_model" case "$ac_cv_stdint_char_model/$ac_cv_stdint_long_model" in 122/242) name="$name, IP16 (standard 16bit machine)" ;; 122/244) name="$name, LP32 (standard 32bit mac/win)" ;; 122/*) name="$name (unusual int16 model)" ;; 124/444) name="$name, ILP32 (standard 32bit unixish)" ;; 124/488) name="$name, LP64 (standard 64bit unixish)" ;; 124/448) name="$name, LLP64 (unusual 64bit unixish)" ;; 124/*) name="$name (unusual int32 model)" ;; 128/888) name="$name, ILP64 (unusual 64bit numeric)" ;; 128/*) name="$name (unusual int64 model)" ;; 222/*|444/*) name="$name (unusual dsptype)" ;; *) name="$name (very unusal model)" ;; esac AC_MSG_RESULT([combined for stdint datatype model... $name]) fi if test "_$ac_cv_header_stdint_x" != "_" ; then ac_cv_header_stdint="$ac_cv_header_stdint_x" elif test "_$ac_cv_header_stdint_o" != "_" ; then ac_cv_header_stdint="$ac_cv_header_stdint_o" elif test "_$ac_cv_header_stdint_u" != "_" ; then ac_cv_header_stdint="$ac_cv_header_stdint_u" else ac_cv_header_stdint="stddef.h" fi AC_MSG_CHECKING([for extra inttypes in chosen header]) AC_MSG_RESULT([($ac_cv_header_stdint)]) dnl see if int_least and int_fast types are present in _this_ header. unset ac_cv_type_int_least32_t unset ac_cv_type_int_fast32_t AC_CHECK_TYPE(int_least32_t,,,[#include <$ac_cv_header_stdint>]) AC_CHECK_TYPE(int_fast32_t,,,[#include<$ac_cv_header_stdint>]) AC_CHECK_TYPE(intmax_t,,,[#include <$ac_cv_header_stdint>]) fi # shortcircut to system "stdint.h" # ------------------ PREPARE VARIABLES ------------------------------ if test "$GCC" = "yes" ; then ac_cv_stdint_message="using gnu compiler "`$CC --version | head -1` else ac_cv_stdint_message="using $CC" fi AC_MSG_RESULT([make use of $ac_cv_header_stdint in $ac_stdint_h dnl $ac_cv_stdint_result]) # ----------------- DONE inttypes.h checks START header ------------- AC_CONFIG_COMMANDS([$ac_stdint_h],[ AC_MSG_NOTICE(creating $ac_stdint_h : $_ac_stdint_h) ac_stdint=$tmp/_stdint.h echo "#ifndef" $_ac_stdint_h >$ac_stdint echo "#define" $_ac_stdint_h "1" >>$ac_stdint echo "#ifndef" _GENERATED_STDINT_H >>$ac_stdint echo "#define" _GENERATED_STDINT_H '"'$PACKAGE $VERSION'"' >>$ac_stdint echo "/* generated $ac_cv_stdint_message */" >>$ac_stdint if test "_$ac_cv_header_stdint_t" != "_" ; then echo "#define _STDINT_HAVE_STDINT_H" "1" >>$ac_stdint fi cat >>$ac_stdint < #else #include /* .................... configured part ............................ */ STDINT_EOF echo "/* whether we have a C99 compatible stdint header file */" >>$ac_stdint if test "_$ac_cv_header_stdint_x" != "_" ; then ac_header="$ac_cv_header_stdint_x" echo "#define _STDINT_HEADER_INTPTR" '"'"$ac_header"'"' >>$ac_stdint else echo "/* #undef _STDINT_HEADER_INTPTR */" >>$ac_stdint fi echo "/* whether we have a C96 compatible inttypes header file */" >>$ac_stdint if test "_$ac_cv_header_stdint_o" != "_" ; then ac_header="$ac_cv_header_stdint_o" echo "#define _STDINT_HEADER_UINT32" '"'"$ac_header"'"' >>$ac_stdint else echo "/* #undef _STDINT_HEADER_UINT32 */" >>$ac_stdint fi echo "/* whether we have a BSD compatible inet types header */" >>$ac_stdint if test "_$ac_cv_header_stdint_u" != "_" ; then ac_header="$ac_cv_header_stdint_u" echo "#define _STDINT_HEADER_U_INT32" '"'"$ac_header"'"' >>$ac_stdint else echo "/* #undef _STDINT_HEADER_U_INT32 */" >>$ac_stdint fi echo "" >>$ac_stdint if test "_$ac_header" != "_" ; then if test "$ac_header" != "stddef.h" ; then echo "#include <$ac_header>" >>$ac_stdint echo "" >>$ac_stdint fi fi echo "/* which 64bit typedef has been found */" >>$ac_stdint if test "$ac_cv_type_uint64_t" = "yes" ; then echo "#define _STDINT_HAVE_UINT64_T" "1" >>$ac_stdint else echo "/* #undef _STDINT_HAVE_UINT64_T */" >>$ac_stdint fi if test "$ac_cv_type_u_int64_t" = "yes" ; then echo "#define _STDINT_HAVE_U_INT64_T" "1" >>$ac_stdint else echo "/* #undef _STDINT_HAVE_U_INT64_T */" >>$ac_stdint fi echo "" >>$ac_stdint echo "/* which type model has been detected */" >>$ac_stdint if test "_$ac_cv_stdint_char_model" != "_" ; then echo "#define _STDINT_CHAR_MODEL" "$ac_cv_stdint_char_model" >>$ac_stdint echo "#define _STDINT_LONG_MODEL" "$ac_cv_stdint_long_model" >>$ac_stdint else echo "/* #undef _STDINT_CHAR_MODEL // skipped */" >>$ac_stdint echo "/* #undef _STDINT_LONG_MODEL // skipped */" >>$ac_stdint fi echo "" >>$ac_stdint echo "/* whether int_least types were detected */" >>$ac_stdint if test "$ac_cv_type_int_least32_t" = "yes"; then echo "#define _STDINT_HAVE_INT_LEAST32_T" "1" >>$ac_stdint else echo "/* #undef _STDINT_HAVE_INT_LEAST32_T */" >>$ac_stdint fi echo "/* whether int_fast types were detected */" >>$ac_stdint if test "$ac_cv_type_int_fast32_t" = "yes"; then echo "#define _STDINT_HAVE_INT_FAST32_T" "1" >>$ac_stdint else echo "/* #undef _STDINT_HAVE_INT_FAST32_T */" >>$ac_stdint fi echo "/* whether intmax_t type was detected */" >>$ac_stdint if test "$ac_cv_type_intmax_t" = "yes"; then echo "#define _STDINT_HAVE_INTMAX_T" "1" >>$ac_stdint else echo "/* #undef _STDINT_HAVE_INTMAX_T */" >>$ac_stdint fi echo "" >>$ac_stdint cat >>$ac_stdint <= 199901L #define _HAVE_UINT64_T typedef long long int64_t; typedef unsigned long long uint64_t; #elif !defined __STRICT_ANSI__ #if defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ #define _HAVE_UINT64_T typedef __int64 int64_t; typedef unsigned __int64 uint64_t; #elif defined __GNUC__ || defined __MWERKS__ || defined __ELF__ /* note: all ELF-systems seem to have loff-support which needs 64-bit */ #if !defined _NO_LONGLONG #define _HAVE_UINT64_T typedef long long int64_t; typedef unsigned long long uint64_t; #endif #elif defined __alpha || (defined __mips && defined _ABIN32) #if !defined _NO_LONGLONG typedef long int64_t; typedef unsigned long uint64_t; #endif /* compiler/cpu type to define int64_t */ #endif #endif #endif #if defined _STDINT_HAVE_U_INT_TYPES /* int8_t int16_t int32_t defined by inet code, redeclare the u_intXX types */ typedef u_int8_t uint8_t; typedef u_int16_t uint16_t; typedef u_int32_t uint32_t; /* glibc compatibility */ #ifndef __int8_t_defined #define __int8_t_defined #endif #endif #ifdef _STDINT_NEED_INT_MODEL_T /* we must guess all the basic types. Apart from byte-adressable system, */ /* there a few 32-bit-only dsp-systems that we guard with BYTE_MODEL 8-} */ /* (btw, those nibble-addressable systems are way off, or so we assume) */ dnl /* have a look at "64bit and data size neutrality" at */ dnl /* http://unix.org/version2/whatsnew/login_64bit.html */ dnl /* (the shorthand "ILP" types always have a "P" part) */ #if defined _STDINT_BYTE_MODEL #if _STDINT_LONG_MODEL+0 == 242 /* 2:4:2 = IP16 = a normal 16-bit system */ typedef unsigned char uint8_t; typedef unsigned short uint16_t; typedef unsigned long uint32_t; #ifndef __int8_t_defined #define __int8_t_defined typedef char int8_t; typedef short int16_t; typedef long int32_t; #endif #elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL == 444 /* 2:4:4 = LP32 = a 32-bit system derived from a 16-bit */ /* 4:4:4 = ILP32 = a normal 32-bit system */ typedef unsigned char uint8_t; typedef unsigned short uint16_t; typedef unsigned int uint32_t; #ifndef __int8_t_defined #define __int8_t_defined typedef char int8_t; typedef short int16_t; typedef int int32_t; #endif #elif _STDINT_LONG_MODEL+0 == 484 || _STDINT_LONG_MODEL+0 == 488 /* 4:8:4 = IP32 = a 32-bit system prepared for 64-bit */ /* 4:8:8 = LP64 = a normal 64-bit system */ typedef unsigned char uint8_t; typedef unsigned short uint16_t; typedef unsigned int uint32_t; #ifndef __int8_t_defined #define __int8_t_defined typedef char int8_t; typedef short int16_t; typedef int int32_t; #endif /* this system has a "long" of 64bit */ #ifndef _HAVE_UINT64_T #define _HAVE_UINT64_T typedef unsigned long uint64_t; typedef long int64_t; #endif #elif _STDINT_LONG_MODEL+0 == 448 /* LLP64 a 64-bit system derived from a 32-bit system */ typedef unsigned char uint8_t; typedef unsigned short uint16_t; typedef unsigned int uint32_t; #ifndef __int8_t_defined #define __int8_t_defined typedef char int8_t; typedef short int16_t; typedef int int32_t; #endif /* assuming the system has a "long long" */ #ifndef _HAVE_UINT64_T #define _HAVE_UINT64_T typedef unsigned long long uint64_t; typedef long long int64_t; #endif #else #define _STDINT_NO_INT32_T #endif #else #define _STDINT_NO_INT8_T #define _STDINT_NO_INT32_T #endif #endif /* * quote from SunOS-5.8 sys/inttypes.h: * Use at your own risk. As of February 1996, the committee is squarely * behind the fixed sized types; the "least" and "fast" types are still being * discussed. The probability that the "fast" types may be removed before * the standard is finalized is high enough that they are not currently * implemented. */ #if defined _STDINT_NEED_INT_LEAST_T typedef int8_t int_least8_t; typedef int16_t int_least16_t; typedef int32_t int_least32_t; #ifdef _HAVE_UINT64_T typedef int64_t int_least64_t; #endif typedef uint8_t uint_least8_t; typedef uint16_t uint_least16_t; typedef uint32_t uint_least32_t; #ifdef _HAVE_UINT64_T typedef uint64_t uint_least64_t; #endif /* least types */ #endif #if defined _STDINT_NEED_INT_FAST_T typedef int8_t int_fast8_t; typedef int int_fast16_t; typedef int32_t int_fast32_t; #ifdef _HAVE_UINT64_T typedef int64_t int_fast64_t; #endif typedef uint8_t uint_fast8_t; typedef unsigned uint_fast16_t; typedef uint32_t uint_fast32_t; #ifdef _HAVE_UINT64_T typedef uint64_t uint_fast64_t; #endif /* fast types */ #endif #ifdef _STDINT_NEED_INTMAX_T #ifdef _HAVE_UINT64_T typedef int64_t intmax_t; typedef uint64_t uintmax_t; #else typedef long intmax_t; typedef unsigned long uintmax_t; #endif #endif #ifdef _STDINT_NEED_INTPTR_T #ifndef __intptr_t_defined #define __intptr_t_defined /* we encourage using "long" to store pointer values, never use "int" ! */ #if _STDINT_LONG_MODEL+0 == 242 || _STDINT_LONG_MODEL+0 == 484 typedef unsinged int uintptr_t; typedef int intptr_t; #elif _STDINT_LONG_MODEL+0 == 244 || _STDINT_LONG_MODEL+0 == 444 typedef unsigned long uintptr_t; typedef long intptr_t; #elif _STDINT_LONG_MODEL+0 == 448 && defined _HAVE_UINT64_T typedef uint64_t uintptr_t; typedef int64_t intptr_t; #else /* matches typical system types ILP32 and LP64 - but not IP16 or LLP64 */ typedef unsigned long uintptr_t; typedef long intptr_t; #endif #endif #endif /* shortcircuit*/ #endif /* once */ #endif #endif STDINT_EOF if cmp -s $ac_stdint_h $ac_stdint 2>/dev/null; then AC_MSG_NOTICE([$ac_stdint_h is unchanged]) else ac_dir=`AS_DIRNAME(["$ac_stdint_h"])` AS_MKDIR_P(["$ac_dir"]) rm -f $ac_stdint_h mv $ac_stdint $ac_stdint_h fi ],[# variables for create stdint.h replacement PACKAGE="$PACKAGE" VERSION="$VERSION" ac_stdint_h="$ac_stdint_h" _ac_stdint_h=AS_TR_CPP(_$PACKAGE-$ac_stdint_h) ac_cv_stdint_message="$ac_cv_stdint_message" ac_cv_header_stdint_t="$ac_cv_header_stdint_t" ac_cv_header_stdint_x="$ac_cv_header_stdint_x" ac_cv_header_stdint_o="$ac_cv_header_stdint_o" ac_cv_header_stdint_u="$ac_cv_header_stdint_u" ac_cv_type_uint64_t="$ac_cv_type_uint64_t" ac_cv_type_u_int64_t="$ac_cv_type_u_int64_t" ac_cv_stdint_char_model="$ac_cv_stdint_char_model" ac_cv_stdint_long_model="$ac_cv_stdint_long_model" ac_cv_type_int_least32_t="$ac_cv_type_int_least32_t" ac_cv_type_int_fast32_t="$ac_cv_type_int_fast32_t" ac_cv_type_intmax_t="$ac_cv_type_intmax_t" ]) ])