[], [])
# Enable C extension for decimal float if target supports it.
-AC_ARG_ENABLE(decimal-float,
-[ --enable-decimal-float={no,yes,bid,dpd}
- enable decimal float extension to C. Selecting 'bid'
- or 'dpd' choses which decimal floating point format
- to use],
-[
- case $enable_decimal_float in
- yes | no | bid | dpd) ;;
- *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
-Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
- esac
-],
-[
- case $target in
- powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=yes
- ;;
- *)
- AC_MSG_WARN(decimal float is not supported for this target, ignored)
- enable_decimal_float=no
- ;;
- esac
-])
+GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
dfp=`if test $enable_decimal_float != no; then echo 1; else echo 0; fi`
AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp,
[Define to 1 to enable decimal float extension to C.])
-# x86's use BID format instead of DPD
-case x$enable_decimal_float in
- xyes)
- case $target in
- i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=bid
- ;;
- *)
- enable_decimal_float=dpd
- ;;
- esac
- ;;
- xno)
- # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
- # dependency on libdecnumber.
- enable_decimal_float=dpd
- ;;
-esac
-AC_SUBST(enable_decimal_float)
-
bid=`if test $enable_decimal_float = bid; then echo 1; else echo 0; fi`
AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_BID_FORMAT, $bid,
[Define to 1 to specify that we are using the BID decimal floating
mips*-*-*)
case $host in
mips*-sgi-irix*)
- AC_MSG_WARN(fixed-point is not supported on IRIX, ignored)
+ AC_MSG_WARN([fixed-point is not supported on IRIX, ignored])
enable_fixed_point=no
;;
*)
esac
;;
*)
- AC_MSG_WARN(fixed-point is not supported for this target, ignored)
+ AC_MSG_WARN([fixed-point is not supported for this target, ignored])
enable_fixed_point=no
;;
esac
# NM
if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \
&& test -d ../binutils ; then
- NM='$(objdir)/../binutils/nm-new'
+ NM='${objdir}/../binutils/nm-new'
else
AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm)
fi
# AR
if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c \
&& test -d ../binutils ; then
- AR='$(objdir)/../binutils/ar'
+ AR='${objdir}/../binutils/ar'
else
AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar)
fi
[ --enable-cld enable -mcld by default for 32bit x86], [],
[enable_cld=no])
+AC_ARG_ENABLE(frame-pointer,
+[ --enable-frame-pointer enable -fno-omit-frame-pointer by default for 32bit x86], [],
+[
+case $target_os in
+linux* | darwin[[8912]]*)
+ # Enable -fomit-frame-pointer by default for Linux and Darwin with
+ # DWARF2.
+ enable_frame_pointer=no
+ ;;
+*)
+ enable_frame_pointer=yes
+ ;;
+esac
+])
+
# Windows32 Registry support for specifying GCC installation paths.
AC_ARG_ENABLE(win32-registry,
[ --disable-win32-registry
out_object_file=`basename $out_file .c`.o
tm_file_list="options.h"
-tm_include_list="options.h"
+tm_include_list="options.h insn-constants.h"
for f in $tm_file; do
case $f in
./* )
gcc_cv_as_cfi_directive=yes
;;
esac])
-if test $gcc_cv_as_cfi_directive = yes && test x$gcc_cv_readelf != x; then
+if test $gcc_cv_as_cfi_directive = yes && test x$gcc_cv_objdump != x; then
gcc_GAS_CHECK_FEATURE([working cfi advance], gcc_cv_as_cfi_advance_working,
,,
[ .text
.cfi_adjust_cfa_offset 128
.cfi_endproc],
[[
-if $gcc_cv_readelf -wf conftest.o 2>/dev/null \
+if $gcc_cv_objdump -Wf conftest.o 2>/dev/null \
| grep 'DW_CFA_advance_loc[24]:[ ][ ]*75040[ ]' >/dev/null; then
gcc_cv_as_cfi_advance_working=yes
fi
]])
else
- # no readelf, err on the side of caution
+ # no objdump, err on the side of caution
gcc_cv_as_cfi_advance_working=no
fi
AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_DIRECTIVE,
[ .text
.cfi_sections .debug_frame, .eh_frame
.cfi_startproc
- .cfi_endproc])
+ .cfi_endproc],
+[case $target_os in
+ win32 | pe | cygwin* | mingw32* | uwin*)
+ # Need to check that we generated the correct relocation for the
+ # .debug_frame section. This was fixed for binutils 2.21.
+ gcc_cv_as_cfi_sections_directive=no
+ if test "x$gcc_cv_objdump" != x; then
+ if $gcc_cv_objdump -j .debug_frame -r conftest.o 2>/dev/null | \
+ grep secrel > /dev/null; then
+ gcc_cv_as_cfi_sections_directive=yes
+ fi
+ fi
+ ;;
+ *)
+ gcc_cv_as_cfi_sections_directive=yes
+ ;;
+esac])
AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_SECTIONS_DIRECTIVE,
[`if test $gcc_cv_as_cfi_sections_directive = yes;
then echo 1; else echo 0; fi`],
;;
i[34567]86-*-*)
case "$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$enable_tls" = xyes ; then
- on_solaris=yes
- else
- enable_tls=no;
- fi
- ;;
i[34567]86-*-solaris2.*)
on_solaris=yes
+ tga_func=___tls_get_addr
;;
*)
on_solaris=no
;;
sparc*-*-*)
case "$target" in
- 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$enable_tls" = xyes ; then
- on_solaris=yes
- else
- enable_tls=no;
- fi
- ;;
sparc*-sun-solaris2.*)
on_solaris=yes
+ tga_func=__tls_get_addr
;;
*)
on_solaris=no
esac
if test x$on_solaris = xyes && test x$gas_flag = xno; then
conftest_s='
- .section ".tdata",#alloc,#write,#tls
-foo: .long 25
- .text
- sethi %tgd_hi22(foo), %o0
- add %o0, %tgd_lo10(foo), %o1
- add %l7, %o1, %o0, %tgd_add(foo)
- call __tls_get_addr, %tgd_call(foo)
- sethi %tldm_hi22(foo), %l1
- add %l1, %tldm_lo10(foo), %l2
- add %l7, %l2, %o0, %tldm_add(foo)
- call __tls_get_addr, %tldm_call(foo)
- sethi %tldo_hix22(foo), %l3
- xor %l3, %tldo_lox10(foo), %l4
- add %o0, %l4, %l5, %tldo_add(foo)
- sethi %tie_hi22(foo), %o3
- add %o3, %tie_lo10(foo), %o3
- ld [%l7 + %o3], %o2, %tie_ld(foo)
- add %g7, %o2, %o4, %tie_add(foo)
- sethi %tle_hix22(foo), %l1
- xor %l1, %tle_lox10(foo), %o5
- ld [%g7 + %o5], %o1'
+ .section ".tdata",#alloc,#write,#tls'
tls_first_major=0
tls_first_minor=0
else
conftest_s='
- .section ".tdata","awT",@progbits
+ .section ".tdata","awT",@progbits'
+ tls_first_major=2
+ tls_first_minor=14
+ tls_as_opt="-32 --fatal-warnings"
+ fi
+ conftest_s="$conftest_s
foo: .long 25
.text
sethi %tgd_hi22(foo), %o0
add %g7, %o2, %o4, %tie_add(foo)
sethi %tle_hix22(foo), %l1
xor %l1, %tle_lox10(foo), %o5
- ld [%g7 + %o5], %o1'
- tls_first_major=2
- tls_first_minor=14
- tls_as_opt="-32 --fatal-warnings"
- fi
+ ld [%g7 + %o5], %o1"
;;
xtensa*-*-*)
conftest_s='
[$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
[set_have_as_tls=yes])
fi
+case "$target" in
+ # TLS was introduced in the Solaris 9 FCS release and backported to
+ # Solaris 8 patches. Support for GNU-style TLS on x86 was only
+ # introduced in Solaris 9 4/04, replacing the earlier Sun style that Sun
+ # ld and GCC don't support any longer.
+ *-*-solaris2.*)
+ AC_MSG_CHECKING(linker and ld.so.1 TLS support)
+ ld_tls_support=no
+ # Check ld and ld.so.1 TLS support.
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ # Assume all interesting versions of GNU ld have TLS support.
+ # FIXME: still need ld.so.1 support, i.e. ld version checks below.
+ ld_tls_support=yes
+ else
+ case "$target" in
+ # Solaris 8/x86 ld has GNU style TLS support since version 1.280.
+ i?86-*-solaris2.8)
+ min_tls_ld_vers_minor=280
+ ;;
+ # Solaris 8/SPARC ld has TLS support since version 1.272.
+ sparc*-*-solaris2.8)
+ min_tls_ld_vers_minor=272
+ ;;
+ # Solaris 9/x86 ld has GNU style TLS support since version 1.374.
+ i?86-*-solaris2.9)
+ min_tls_ld_vers_minor=374
+ ;;
+ # Solaris 9/SPARC and Solaris 10+ ld have TLS support since FCS.
+ sparc*-*-solaris2.9 | *-*-solaris2.1[[0-9]]*)
+ min_tls_ld_vers_minor=343
+ ;;
+ esac
+ if test "$ls_vers_major" -gt 1 || \
+ test "$ld_vers_minor" -ge "$min_tls_ld_vers_minor"; then
+ ld_tls_support=yes
+ else
+ set_have_as_tls=no
+ fi
+ fi
+ AC_MSG_RESULT($ld_tls_support)
+
+ save_LIBS="$LIBS"
+ save_LDFLAGS="$LDFLAGS"
+ LIBS=
+ LDFLAGS=
+
+ AC_MSG_CHECKING(alternate thread library)
+ case "$target" in
+ # TLS support was backported to Solaris 8 patches, but only lives in
+ # the alternate thread library which became the default in Solaris 9.
+ # We want to always use that, irrespective of TLS support.
+ *-*-solaris2.8)
+ # Take multilib subdir into account. There's no spec to handle
+ # this. The 64 symlink exists since Solaris 8.
+ lwp_dir=/usr/lib/lwp
+ lwp_spec="-L$lwp_dir%{m64:/64} -R$lwp_dir%{m64:/64}"
+ LDFLAGS="-L$lwp_dir -R$lwp_dir"
+ ;;
+ *-*-solaris2*)
+ lwp_dir="none"
+ lwp_spec=""
+ ;;
+ esac
+ # Always define LIB_THREAD_LDFLAGS_SPEC, even without TLS support.
+ AC_DEFINE_UNQUOTED(LIB_THREAD_LDFLAGS_SPEC, "$lwp_spec",
+ [Define to the linker flags to use for -pthread.])
+ AC_MSG_RESULT($lwp_dir)
+
+ AC_MSG_CHECKING(library containing $tga_func)
+ # Before Solaris 10, __tls_get_addr (SPARC/x64) resp. ___tls_get_addr
+ # (32-bit x86) only lived in libthread, so check for that. Keep
+ # set_have_as_tls if found, disable if not.
+ AC_SEARCH_LIBS([$tga_func], [thread],, [set_have_as_tls=no])
+ # Clear LIBS if we cannot support TLS.
+ if test $set_have_as_tls = no; then
+ LIBS=
+ fi
+ # Always define LIB_TLS_SPEC, even without TLS support.
+ AC_DEFINE_UNQUOTED(LIB_TLS_SPEC, "$LIBS",
+ [Define to the library containing __tls_get_addr/___tls_get_addr.])
+ AC_MSG_RESULT($LIBS)
+
+ LIBS="$save_LIBS"
+ LDFLAGS="$save_LDFLAGS"
+ ;;
+esac
if test $set_have_as_tls = yes ; then
AC_DEFINE(HAVE_AS_TLS, 1,
- [Define if your assembler supports thread-local storage.])
+ [Define if your assembler and linker support thread-local storage.])
fi
# Target-specific assembler checks.
gcc_GAS_CHECK_FEATURE([rep and lock prefix],
gcc_cv_as_ix86_rep_lock_prefix,,,
[rep movsl
- lock orl $0, (%esp)])
- AC_DEFINE_UNQUOTED(HAVE_AS_IX86_REP_LOCK_PREFIX,
- [`if test $gcc_cv_as_ix86_rep_lock_prefix = yes; then echo 1; else echo 0; fi`],
- [Define true if the assembler supports 'rep <insn>, lock <insn>'.])
+ lock addl %edi, (%eax,%esi)
+ lock orl $0, (%esp)],,
+ [AC_DEFINE(HAVE_AS_IX86_REP_LOCK_PREFIX, 1,
+ [Define if the assembler supports 'rep <insn>, lock <insn>'.])])
;;
AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1,
[Define if your PowerPC64 linker only needs function descriptor syms.])
fi
+
+ AC_CACHE_CHECK(linker large toc support,
+ gcc_cv_ld_large_toc,
+ [gcc_cv_ld_large_toc=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
+ gcc_cv_ld_large_toc=yes
+ fi
+ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then
+ cat > conftest.s <<EOF
+ .section ".tbss","awT",@nobits
+ .align 3
+ie0: .space 8
+ .global _start
+ .text
+_start:
+ addis 9,13,ie0@got@tprel@ha
+ ld 9,ie0@got@tprel@l(9)
+EOF
+ if $gcc_cv_as -a64 -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -melf64ppc --no-toc-sort -o conftest conftest.o > /dev/null 2>&1; then
+ gcc_cv_ld_large_toc=yes
+ fi
+ rm -f conftest conftest.o conftest.s
+ fi
+ ])
+ if test x"$gcc_cv_ld_large_toc" = xyes; then
+ AC_DEFINE(HAVE_LD_LARGE_TOC, 1,
+ [Define if your PowerPC64 linker supports a large TOC.])
+ fi
;;
esac
AC_SUBST(TM_MULTILIB_CONFIG)
AC_SUBST(TM_MULTILIB_EXCEPTIONS_CONFIG)
AC_SUBST(extra_gcc_objs)
+AC_SUBST(user_headers_inc_next_pre)
+AC_SUBST(user_headers_inc_next_post)
AC_SUBST(extra_headers_list)
AC_SUBST(extra_objs)
AC_SUBST(extra_parts)
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