Remove more alloca calls

[external/binutils.git] / gas / configure

diff --git a/gas/configure b/gas/configure
index 3f9bdde..11e6ed4 100755 (executable)
--- a/gas/configure
+++ b/gas/configure
@@ -765,6 +765,8 @@ enable_largefile
 enable_targets
 enable_checking
 enable_compressed_debug_sections
+enable_x86_relax_relocations
+enable_elf_stt_common
 enable_werror
 enable_build_warnings
 enable_nls
@@ -1414,7 +1416,11 @@ Optional Features:
   --enable-targets        alternative target configurations besides the primary
   --enable-checking       enable run-time checks
   --enable-compressed-debug-sections={all,gas,none}
-                          compress debug sections by default]
+                          compress debug sections by default
+  --enable-x86-relax-relocations
+                          generate x86 relax relocations by default
+  --enable-elf-stt-common generate ELF common symbols with STT_COMMON type by
+                          default
   --enable-werror         treat compile warnings as errors
   --enable-build-warnings enable build-time compiler warnings
   --disable-nls           do not use Native Language Support
@@ -8944,7 +8950,7 @@ _LT_EOF
        if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
          export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
        else
-         export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+         export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
        fi
        aix_use_runtimelinking=no
 
@@ -10972,7 +10978,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10975 "configure"
+#line 10981 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11078,7 +11084,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11081 "configure"
+#line 11087 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11680,13 +11686,38 @@ if test "${enable_compressed_debug_sections+set}" = set; then :
 esac
 fi
 
+# PR gas/19520
+# Decide if x86 assembler should generate relax relocations.
+ac_default_x86_relax_relocations=unset
+# Provide a configure time option to override our default.
+# Check whether --enable-x86_relax_relocations was given.
+if test "${enable_x86_relax_relocations+set}" = set; then :
+  enableval=$enable_x86_relax_relocations; case "${enableval}" in
+  no)  ac_default_x86_relax_relocations=0 ;;
+esac
+fi
+
+# Decide if ELF assembler should generate common symbols with the
+# STT_COMMON type.
+ac_default_elf_stt_common=unset
+# Provide a configure time option to override our default.
+# Check whether --enable-elf_stt_common was given.
+if test "${enable_elf_stt_common+set}" = set; then :
+  enableval=$enable_elf_stt_common; case "${enableval}" in
+  yes)  ac_default_elf_stt_common=1 ;;
+esac
+fi
+
 using_cgen=no
 
 
 # Set the 'development' global.
 . $srcdir/../bfd/development.sh
 
+# Default set of GCC warnings to enable.
 GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+
+# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 __GNUC__
@@ -11700,6 +11731,21 @@ fi
 rm -f conftest*
 
 
+# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "^[0-4]$" >/dev/null 2>&1; then :
+
+else
+  GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144"
+fi
+rm -f conftest*
+
+
+
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
   enableval=$enable_werror; case "${enableval}" in
@@ -12085,6 +12131,17 @@ $as_echo "#define STRICTCOFF 1" >>confdefs.h
 
        ;;
 
+      i386-*-solaris2 \
+      | x86_64-*-solaris2 \
+      | i386-*-solaris2.[0-9] \
+      | i386-*-solaris2.1[01] \
+      | x86_64-*-solaris2.1[01])
+       if test ${this_target} = $target \
+          && test ${ac_default_x86_relax_relocations} = unset; then
+         ac_default_x86_relax_relocations=0
+       fi
+       ;;
+
       i860-*-*)
        { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GAS support for ${generic_target} is preliminary and a work in progress" >&5
 $as_echo "$as_me: WARNING: GAS support for ${generic_target} is preliminary and a work in progress" >&2;}
@@ -12505,7 +12562,25 @@ _ACEOF
 
 done
 
-if test x$ac_default_compressed_debug_sections == xyes ; then
+if test ${ac_default_x86_relax_relocations} = unset; then
+  ac_default_x86_relax_relocations=1
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_GENERATE_X86_RELAX_RELOCATIONS $ac_default_x86_relax_relocations
+_ACEOF
+
+
+if test ${ac_default_elf_stt_common} = unset; then
+  ac_default_elf_stt_common=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_GENERATE_ELF_STT_COMMON $ac_default_elf_stt_common
+_ACEOF
+
+
+if test x$ac_default_compressed_debug_sections = xyes ; then
 
 $as_echo "#define DEFAULT_FLAG_COMPRESS_DEBUG 1" >>confdefs.h
 
@@ -12862,8 +12937,9 @@ fi
 done
 test -n "$LEX" || LEX=":"
 
-if test "x$LEX" != "x:"; then
-  cat >conftest.l <<_ACEOF
+case "$LEX" in
+  :|*"missing "*) ;;
+  *) cat >conftest.l <<_ACEOF
 %%
 a { ECHO; }
 b { REJECT; }
@@ -12974,8 +13050,8 @@ $as_echo "#define YYTEXT_POINTER 1" >>confdefs.h
 
 fi
 rm -f conftest.l $LEX_OUTPUT_ROOT.c
-
-fi
+ ;;
+esac
 if test "$LEX" = :; then
   LEX=${am_missing_run}flex
 fi