X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfigure;h=de9cc72db7f18ff07869d9eac0323ddc6cbf9053;hb=3fa661c420a097dd38a7a231c5df9b0a8b8a28ec;hp=589c8b4299cdeefe541c9a552563ed18b32970a3;hpb=149405350be50c105b4b0e97a57f745006318f76;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/configure b/gcc/configure
index 589c8b4299c..de9cc72db7f 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -900,6 +900,7 @@ with_pic
 enable_fast_install
 enable_libtool_lock
 with_plugin_ld
+enable_comdat
 enable_gnu_unique_object
 enable_linker_build_id
 with_long_double_128
@@ -1602,6 +1603,7 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --enable-comdat         enable COMDAT group support
   --enable-gnu-unique-object	enable the use of the @gnu_unique_object ELF extension on
 				glibc systems
   --enable-linker-build-id
@@ -8424,6 +8426,59 @@ fi
 done
 
 
+save_CPPFLAGS="$CPPFLAGS"
+save_LIBS="$LIBS"
+LIBS="$LIBS $LIBELFLIBS"
+for ac_func in elf_getshdrstrndx
+do :
+  ac_fn_c_check_func "$LINENO" "elf_getshdrstrndx" "ac_cv_func_elf_getshdrstrndx"
+if test "x$ac_cv_func_elf_getshdrstrndx" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ELF_GETSHDRSTRNDX 1
+_ACEOF
+
+else
+  for ac_func in elf_getshstrndx
+do :
+  ac_fn_c_check_func "$LINENO" "elf_getshstrndx" "ac_cv_func_elf_getshstrndx"
+if test "x$ac_cv_func_elf_getshstrndx" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ELF_GETSHSTRNDX 1
+_ACEOF
+ if test "$cross_compiling" = yes; then :
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error "cannot run test program while cross compiling
+See \`config.log' for more details." "$LINENO" 5; }
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdlib.h>
+#include <libelf.h>
+int main()
+{
+  return elf_getshstrndx (NULL, 0) == 0;
+},
+$as_echo "#define HAVE_ELF_GETSHSTRNDX_GABI 1" >>confdefs.h
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+fi
+done
+
+
+fi
+done
+
+LIBS="$save_LIBS"
+CPPFLAGS="$save_CPPFLAGS"
+
 if test x$ac_cv_func_mbstowcs = xyes; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mbstowcs works" >&5
 $as_echo_n "checking whether mbstowcs works... " >&6; }
@@ -17037,7 +17092,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17040 "configure"
+#line 17095 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -17143,7 +17198,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 17146 "configure"
+#line 17201 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -20609,6 +20664,19 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+# Check to see if we are using gold instead of ld
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using gold" >&5
+$as_echo_n "checking whether we are using gold... " >&6; }
+ld_is_gold=no
+if test x$gcc_cv_ld != x; then
+  if $gcc_cv_ld --version 2>/dev/null | sed 1q \
+     | grep "GNU gold" > /dev/null; then
+    ld_is_gold=yes
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_is_gold" >&5
+$as_echo "$ld_is_gold" >&6; }
+
 ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld
 
 case "$ORIGINAL_LD_FOR_TARGET" in
@@ -21188,13 +21256,36 @@ $as_echo "$gcc_cv_as_hidden" >&6; }
 
 if test $in_tree_ld != yes ; then
   ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
-  if echo "$ld_ver" | grep GNU > /dev/null; then
+  if test x"$ld_is_gold" = xyes; then
+    gcc_cv_ld_hidden=yes
+  elif echo "$ld_ver" | grep GNU > /dev/null; then
     ld_vers=`echo $ld_ver | sed -n \
 	-e 's,^.*[	 ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
     ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
     ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
     ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
     ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
+  else
+    case "${target}" in
+      *-*-solaris2*)
+	#
+	# Solaris 2 ld -V output looks like this for a regular version:
+	#
+	# ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
+	#
+	# but test versions add stuff at the end:
+	#
+	# ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
+	#
+	ld_ver=`$gcc_cv_ld -V 2>&1`
+	if echo "$ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
+	  ld_vers=`echo $ld_ver | sed -n \
+	    -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'`
+	  ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
+	  ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
+	fi
+	;;
+    esac
   fi
 fi
 
@@ -21386,7 +21477,23 @@ else
 		sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then
 	  gcc_cv_as_cfi_directive=no
 	else
-	  gcc_cv_as_cfi_directive=yes
+	  case "$target" in
+	    i?86-*-solaris2.1[0-9]*)
+	      # On Solaris/x86, make sure that GCC and gas agree on using
+	      # read-only .eh_frame sections for 64-bit.
+	      if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \
+		$gcc_cv_objdump -h conftest.o 2>/dev/null | \
+			sed -e /.eh_frame/!d -e N | \
+			grep READONLY > /dev/null; then
+		gcc_cv_as_cfi_directive=yes
+	      else
+		gcc_cv_as_cfi_directive=no
+	      fi
+	      ;;
+	    *)
+	      gcc_cv_as_cfi_directive=yes
+	      ;;
+	  esac
 	fi
       else
         # no objdump, err on the side of caution
@@ -21421,7 +21528,7 @@ else
     echo '	.text
 	.cfi_startproc
 	.cfi_adjust_cfa_offset 64
-	.skip 512, 0
+	.skip 75040, 0
 	.cfi_adjust_cfa_offset 128
 	.cfi_endproc' > conftest.s
     if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
@@ -21433,7 +21540,7 @@ else
     then
 
 if $gcc_cv_readelf -wf conftest.o 2>/dev/null \
-    | grep 'DW_CFA_advance_loc[12]:[ 	][ 	]*512[ 	]' >/dev/null; then
+    | grep 'DW_CFA_advance_loc[24]:[ 	][ 	]*75040[ 	]' >/dev/null; then
    gcc_cv_as_cfi_advance_working=yes
 fi
 
@@ -21769,13 +21876,15 @@ fi
 $as_echo "$gcc_cv_as_comdat_group_percent" >&6; }
 
 fi
-if test $in_tree_ld = yes ; then
+if test x"$ld_is_gold" = xyes; then
+  comdat_group=yes
+elif test $in_tree_ld = yes ; then
   comdat_group=no
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
      && test $in_tree_ld_is_elf = yes; then
      comdat_group=yes
   fi
-elif test x"$ld_vers" != x; then
+elif echo "$ld_ver" | grep GNU > /dev/null; then
   comdat_group=yes
   if test 0"$ld_date" -lt 20050308; then
     if test -n "$ld_date"; then
@@ -21788,9 +21897,32 @@ elif test x"$ld_vers" != x; then
     fi
   fi
 else
-  # assume linkers other than GNU ld don't support COMDAT group
-  comdat_group=no
+  case "${target}" in
+    *-*-solaris2.1[1-9]*)
+      # Sun ld has COMDAT group support since Solaris 9, but it doesn't
+      # interoperate with GNU as until Solaris 11 build 130, i.e. ld
+      # version 1.688.
+      #
+      # FIXME: Maybe need to refine later when COMDAT group support with
+      # Sun as is implemented.
+      if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 1688; then
+        comdat_group=yes
+      else
+        comdat_group=no
+      fi
+      ;;
+    *)
+      # Assume linkers other than GNU ld don't support COMDAT group.
+      comdat_group=no
+      ;;
+  esac
+fi
+# Allow overriding the automatic COMDAT group tests above.
+# Check whether --enable-comdat was given.
+if test "${enable_comdat+set}" = set; then :
+  enableval=$enable_comdat; comdat_group="$enable_comdat"
 fi
+
 if test $comdat_group = no; then
   gcc_cv_as_comdat_group=no
   gcc_cv_as_comdat_group_percent=no
@@ -21930,25 +22062,53 @@ foo:	.long	25
 	tls_first_minor=17
 	;;
   i[34567]86-*-*)
-    conftest_s='
-	.section ".tdata","awT",@progbits
+    case "$target" in
+      i[34567]86-*-solaris2.[89]*)
+	# TLS was introduced in the Solaris 9 4/04 release but
+	# we do not enable it by default on Solaris 9 either.
+	if test "x$enable_tls" = xyes ; then
+	  on_solaris=yes
+	else
+	  enable_tls=no;
+	fi
+	;;
+      i[34567]86-*-solaris2.*)
+	on_solaris=yes
+	;;
+      *)
+	on_solaris=no
+	;;
+    esac
+    if test x$on_solaris = xyes && test x$gas_flag = xno; then
+      conftest_s='
+	.section .tdata,"awt",@progbits'
+      tls_first_major=0
+      tls_first_minor=0
+
+$as_echo "#define TLS_SECTION_ASM_FLAG 't'" >>confdefs.h
+
+    else
+      conftest_s='
+	.section ".tdata","awT",@progbits'
+      tls_first_major=2
+      tls_first_minor=14
+      tls_as_opt="--fatal-warnings"
+    fi
+    conftest_s="$conftest_s
 foo:	.long	25
 	.text
 	movl	%gs:0, %eax
-	leal	foo@TLSGD(,%ebx,1), %eax
-	leal	foo@TLSLDM(%ebx), %eax
-	leal	foo@DTPOFF(%eax), %edx
-	movl	foo@GOTTPOFF(%ebx), %eax
-	subl	foo@GOTTPOFF(%ebx), %eax
-	addl	foo@GOTNTPOFF(%ebx), %eax
-	movl	foo@INDNTPOFF, %eax
-	movl	$foo@TPOFF, %eax
-	subl	$foo@TPOFF, %eax
-	leal	foo@NTPOFF(%ecx), %eax'
-	tls_first_major=2
-	tls_first_minor=14
-	tls_as_opt=--fatal-warnings
-	;;
+	leal	foo@tlsgd(,%ebx,1), %eax
+	leal	foo@tlsldm(%ebx), %eax
+	leal	foo@dtpoff(%eax), %edx
+	movl	foo@gottpoff(%ebx), %eax
+	subl	foo@gottpoff(%ebx), %eax
+	addl	foo@gotntpoff(%ebx), %eax
+	movl	foo@indntpoff, %eax
+	movl	\$foo@tpoff, %eax
+	subl	\$foo@tpoff, %eax
+	leal	foo@ntpoff(%ecx), %eax"
+    ;;
   x86_64-*-*)
     conftest_s='
 	.section ".tdata","awT",@progbits
@@ -22128,7 +22288,7 @@ foo:	.long	25
 	;;
   sparc*-*-*)
     case "$target" in
-      sparc*-sun-solaris2.[56789]*)
+      sparc*-sun-solaris2.[89]*)
 	# TLS was introduced in the Solaris 9 4/04 release but
 	# we do not enable it by default on Solaris 9 either.
 	if test "x$enable_tls" = xyes ; then
@@ -22491,6 +22651,58 @@ $as_echo "#define HAVE_AS_RELAX_OPTION 1" >>confdefs.h
 
 fi
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for GOTDATA_OP relocs" >&5
+$as_echo_n "checking assembler for GOTDATA_OP relocs... " >&6; }
+if test "${gcc_cv_as_sparc_gotdata_op+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  gcc_cv_as_sparc_gotdata_op=no
+  if test x$gcc_cv_as != x; then
+    echo '.text
+foo:
+	nop
+bar:
+	sethi %gdop_hix22(foo), %g1
+	xor    %g1, %gdop_lox10(foo), %g1
+	ld    [%l7 + %g1], %g2, %gdop(foo)' > conftest.s
+    if { ac_try='$gcc_cv_as $gcc_cv_as_flags -K PIC -o conftest.o conftest.s >&5'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+    then
+	if test x$gcc_cv_ld != x \
+       && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+         if $gcc_cv_ld -v | grep GNU >/dev/null 2>&1; then
+           if test x$gcc_cv_objdump != x; then
+             if $gcc_cv_objdump -s -j .text conftest 2> /dev/null \
+                | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then
+	       gcc_cv_as_sparc_gotdata_op=no
+             else
+	       gcc_cv_as_sparc_gotdata_op=yes
+             fi
+           fi
+         else
+	   gcc_cv_as_sparc_gotdata_op=yes
+         fi
+       fi
+       rm -f conftest
+    else
+      echo "configure: failed program was" >&5
+      cat conftest.s >&5
+    fi
+    rm -f conftest.o conftest.s
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_sparc_gotdata_op" >&5
+$as_echo "$gcc_cv_as_sparc_gotdata_op" >&6; }
+if test $gcc_cv_as_sparc_gotdata_op = yes; then
+
+$as_echo "#define HAVE_AS_SPARC_GOTDATA_OP 1" >>confdefs.h
+
+fi
+
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for unaligned pcrel relocs" >&5
 $as_echo_n "checking assembler for unaligned pcrel relocs... " >&6; }
 if test "${gcc_cv_as_sparc_ua_pcrel+set}" = set; then :
@@ -24221,8 +24433,8 @@ if test $gcc_cv_as_gnu_unique_object = yes; then
   # Also check for ld.so support, i.e. glibc 2.11 or higher.
    if test x$host = x$build -a x$host = x$target &&
        glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
-      glibcmajor=`expr "$glibcver" : "\(0-9*\)"`
-      glibcminor=`expr "$glibcver" : "2-9*\.\(0-9*\)"`
+      glibcmajor=`expr "$glibcver" : "\([0-9]*\)"`
+      glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"`
       glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
       if test "$glibcnum" -ge 2011 ; then
         enable_gnu_unique_object=yes
@@ -24570,7 +24782,9 @@ else
     case "$target" in
        *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
       if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
-	if test "x$with_sysroot" = x; then
+	if test "x$with_headers" != x; then
+	  glibc_header_dir=$with_headers
+	elif test "x$with_sysroot" = x; then
 	  glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
 	elif test "x$with_build_sysroot" != "x"; then
 	  glibc_header_dir="${with_build_sysroot}/usr/include"
@@ -25073,10 +25287,14 @@ $as_echo_n "checking for exported symbols... " >&6; }
 $as_echo_n "checking for -rdynamic... " >&6; }
     ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
     if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
+      plugin_rdynamic=yes
       pluginlibs="-rdynamic"
     else
+      plugin_rdynamic=no
       enable_plugin=no
     fi
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_rdynamic" >&5
+$as_echo "$plugin_rdynamic" >&6; }
   fi
 
   # Check -ldl