X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfigure.ac;h=37843387f3363d94f66699920ff5e87338046a0a;hb=4d93673dd1c64f9dedcd35809946371cce2dd104;hp=ddfbc7a183dfc5e358b78a2ba2e1f4e0f86ea980;hpb=ce72f71213f2d4c75e3e82b6524e477d0e743ec5;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/configure.ac b/gcc/configure.ac index ddfbc7a183d..37843387f33 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2,7 +2,7 @@ # Process this file with autoconf to generate a configuration script. # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, -# 2007, 2008, 2009 Free Software Foundation, Inc. +# 2007, 2008, 2009, 2010 Free Software Foundation, Inc. #This file is part of GCC. @@ -1934,6 +1934,17 @@ AC_ARG_WITH(plugin-ld, AC_SUBST(ORIGINAL_PLUGIN_LD_FOR_TARGET) AC_DEFINE_UNQUOTED(PLUGIN_LD, "$PLUGIN_LD", [Specify plugin linker]) +# Check to see if we are using gold instead of ld +AC_MSG_CHECKING(whether we are using gold) +ld_is_gold=no +if test x$gcc_cv_ld != x; then + if $gcc_cv_ld --version 2>/dev/null | sed 1q \ + | grep "GNU gold" > /dev/null; then + ld_is_gold=yes + fi +fi +AC_MSG_RESULT($ld_is_gold) + ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld AC_SUBST(ORIGINAL_LD_FOR_TARGET) case "$ORIGINAL_LD_FOR_TARGET" in @@ -2122,13 +2133,36 @@ foobar:]) changequote(,)dnl 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 changequote([,])dnl @@ -2308,12 +2342,12 @@ gcc_GAS_CHECK_FEATURE([working cfi advance], gcc_cv_as_cfi_advance_working, [ .text .cfi_startproc .cfi_adjust_cfa_offset 64 - .skip 75031, 0 + .skip 75040, 0 .cfi_adjust_cfa_offset 128 .cfi_endproc], [[ if $gcc_cv_readelf -wf conftest.o 2>/dev/null \ - | grep 'DW_CFA_advance_loc[124]:[ ][ ]*75031[ ]' >/dev/null; then + | grep 'DW_CFA_advance_loc[24]:[ ][ ]*75040[ ]' >/dev/null; then gcc_cv_as_cfi_advance_working=yes fi ]]) @@ -2441,13 +2475,15 @@ else [elf,2,16,0], [--fatal-warnings], [.section .text,"axG",%progbits,.foo,comdat]) 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 "$ld_date"; then @@ -2460,9 +2496,32 @@ elif test x"$ld_vers" != x; then fi fi else - # assume linkers other than GNU ld don't support COMDAT group - comdat_group=no +changequote(,)dnl + 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 "$ld_vers_minor" -ge 1688; then + comdat_group=yes + else + comdat_group=no + fi + ;; + *) + # Assume linkers other than GNU ld don't support COMDAT group. + comdat_group=no + ;; + esac +changequote([,])dnl fi +# Allow overriding the automatic COMDAT group tests above. +AC_ARG_ENABLE(comdat, + [AS_HELP_STRING([--enable-comdat], [enable COMDAT group support])], + [comdat_group="$enable_comdat"]) if test $comdat_group = no; then gcc_cv_as_comdat_group=no gcc_cv_as_comdat_group_percent=no @@ -2573,25 +2632,54 @@ foo: .long 25 tls_first_minor=17 ;; i[34567]86-*-*) - conftest_s=' - .section ".tdata","awT",@progbits + case "$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$gas_flag = xno; then + conftest_s=' + .section .tdata,"awt",@progbits' + tls_first_major=0 + tls_first_minor=0 +changequote([,])dnl + AC_DEFINE(TLS_SECTION_ASM_FLAG, 't', +[Define to the flag used to mark TLS sections if the default (`T') doesn't work.]) +changequote(,)dnl + else + conftest_s=' + .section ".tdata","awT",@progbits' + tls_first_major=2 + tls_first_minor=14 + tls_as_opt="--fatal-warnings" + fi + conftest_s="$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 $foo@TPOFF, %eax - leal foo@NTPOFF(%ecx), %eax' - tls_first_major=2 - tls_first_minor=14 - tls_as_opt=--fatal-warnings - ;; + leal foo@tlsgd(,%ebx,1), %eax + leal foo@tlsldm(%ebx), %eax + leal foo@dtpoff(%eax), %edx + movl foo@gottpoff(%ebx), %eax + subl foo@gottpoff(%ebx), %eax + addl foo@gotntpoff(%ebx), %eax + movl foo@indntpoff, %eax + movl \$foo@tpoff, %eax + subl \$foo@tpoff, %eax + leal foo@ntpoff(%ecx), %eax" + ;; x86_64-*-*) conftest_s=' .section ".tdata","awT",@progbits @@ -2771,7 +2859,7 @@ foo: .long 25 ;; sparc*-*-*) case "$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$enable_tls" = xyes ; then @@ -2971,12 +3059,19 @@ bar: xor %g1, %gdop_lox10(foo), %g1 ld [[%l7 + %g1]], %g2, %gdop(foo)], [if test x$gcc_cv_ld != x \ - && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ - && (test x$gnu_ld_flag = xno \ - || (test x$gcc_cv_objdump != x \ - && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ - | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1)); then - gcc_cv_as_sparc_gotdata_op=yes + && $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 $gcc_cv_objdump -s -j .text conftest 2> /dev/null \ + | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then + gcc_cv_as_sparc_gotdata_op=no + else + gcc_cv_as_sparc_gotdata_op=yes + fi + fi + else + gcc_cv_as_sparc_gotdata_op=yes + fi fi rm -f conftest], [AC_DEFINE(HAVE_AS_SPARC_GOTDATA_OP, 1, @@ -4354,10 +4449,13 @@ if test x"$enable_plugin" = x"yes"; then AC_MSG_CHECKING([for -rdynamic]) ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1 if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then + plugin_rdynamic=yes pluginlibs="-rdynamic" else + plugin_rdynamic=no enable_plugin=no fi + AC_MSG_RESULT([$plugin_rdynamic]) fi # Check -ldl