AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
-AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
GCC_STDINT_TYPES
+if test x"$ac_cv_c_uint64_t" = x"no" -o x"$ac_cv_c_int64_t" = x"no"; then
+ AC_MSG_ERROR([uint64_t or int64_t not found])
+fi
+
+# check what underlying integer type int64_t uses
+AC_LANG_PUSH(C++)
+AC_CACHE_CHECK(for int64_t underlying type, ac_cv_int64_t_type, [
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+template <typename T> struct X { };
+template <>
+struct X<long> { typedef long t; };
+]], [[X<int64_t>::t x;]])],[ac_cv_int64_t_type=long],[ac_cv_int64_t_type="long long"])])
+if test "$ac_cv_int64_t_type" = "long"; then
+ AC_DEFINE(INT64_T_IS_LONG, 1,
+ [Define if int64_t uses long as underlying type.])
+else
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+template <typename T> struct X { };
+template <>
+struct X<long long> { typedef long long t; };
+]], [[X<int64_t>::t x;]])],[],[AC_MSG_ERROR([error verifying int64_t uses long long])])
+fi
+AC_LANG_POP(C++)
+
+
+
# ---------------------
# Warnings and checking
[c_loose_warn])
ACX_PROG_CC_WARNING_OPTS(
m4_quote(m4_do([-Wmissing-format-attribute])), [strict_warn])
+ACX_PROG_CC_WARNING_OPTS(
+ m4_quote(m4_do([-Woverloaded-virtual])), [strict_warn])
ACX_PROG_CC_WARNING_OPTS(
m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn])
ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(
dnl # in converting to autoconf 2.5x!
AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
-if test x$ac_valgrind_checking != x ; then
- # It is certainly possible that there's valgrind but no valgrind.h.
- # GCC relies on making annotations so we must have both.
- AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
- AC_PREPROC_IFELSE([AC_LANG_SOURCE(
- [[#include <valgrind/memcheck.h>
+# It is certainly possible that there's valgrind but no valgrind.h.
+# GCC relies on making annotations so we must have both.
+AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
+AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <valgrind/memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
#endif]])],
[gcc_cv_header_valgrind_memcheck_h=yes],
[gcc_cv_header_valgrind_memcheck_h=no])
- AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
- AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
- AC_PREPROC_IFELSE([AC_LANG_SOURCE(
- [[#include <memcheck.h>
+AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
+AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
+AC_PREPROC_IFELSE([AC_LANG_SOURCE(
+ [[#include <memcheck.h>
#ifndef VALGRIND_DISCARD
#error VALGRIND_DISCARD not defined
#endif]])],
[gcc_cv_header_memcheck_h=yes],
[gcc_cv_header_memcheck_h=no])
- AC_MSG_RESULT($gcc_cv_header_memcheck_h)
+AC_MSG_RESULT($gcc_cv_header_memcheck_h)
+if test $gcc_cv_header_valgrind_memcheck_h = yes; then
+ AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
+ [Define if valgrind's valgrind/memcheck.h header is installed.])
+fi
+if test $gcc_cv_header_memcheck_h = yes; then
+ AC_DEFINE(HAVE_MEMCHECK_H, 1,
+ [Define if valgrind's memcheck.h header is installed.])
+fi
+
+if test x$ac_valgrind_checking != x ; then
AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
[$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
if test "x$valgrind_path" = "x" \
AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
[Define if you want to run subprograms and generated programs
through valgrind (a memory checker). This is extremely expensive.])
- if test $gcc_cv_header_valgrind_memcheck_h = yes; then
- AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
- [Define if valgrind's valgrind/memcheck.h header is installed.])
- fi
- if test $gcc_cv_header_memcheck_h = yes; then
- AC_DEFINE(HAVE_MEMCHECK_H, 1,
- [Define if valgrind's memcheck.h header is installed.])
- fi
fi
AC_SUBST(valgrind_path_defines)
AC_SUBST(valgrind_command)
AC_DEFINE_UNQUOTED(GATHER_STATISTICS, $gather_stats,
[Define to enable detailed memory allocation stats gathering.])
+AC_ARG_ENABLE(valgrind-annotations,
+[AS_HELP_STRING([--enable-valgrind-annotations],
+ [enable valgrind runtime interaction])], [],
+[enable_valgrind_annotations=no])
+if test x$enable_valgrind_annotations != xno \
+ || test x$ac_valgrind_checking != x; then
+ if (test $have_valgrind_h = no \
+ && test $gcc_cv_header_memcheck_h = no \
+ && test $gcc_cv_header_valgrind_memcheck_h = no); then
+ AC_MSG_ERROR([*** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h])
+ fi
+ AC_DEFINE(ENABLE_VALGRIND_ANNOTATIONS, 1,
+[Define to get calls to the valgrind runtime enabled.])
+fi
+
# -------------------------------
# Miscenalleous configure options
# -------------------------------
AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar)
fi
+# The jit documentation looks better if built with sphinx, but can be
+# built with texinfo if sphinx is not available.
+# Set "doc_build_sys" to "sphinx" or "texinfo" accordingly.
+AC_CHECK_PROG(doc_build_sys, sphinx-build, sphinx, texinfo)
# --------------------
# Checks for C headers
AC_SUBST(LDEXP_LIB)
# Use <inttypes.h> only if it exists,
-# doesn't clash with <sys/types.h>, and declares intmax_t.
+# doesn't clash with <sys/types.h>, declares intmax_t and defines
+# PRId64
AC_MSG_CHECKING(for inttypes.h)
AC_CACHE_VAL(gcc_cv_header_inttypes_h,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-[[#include <sys/types.h>
+[[#define __STDC_FORMAT_MACROS
+#include <sys/types.h>
#include <inttypes.h>]],
- [[intmax_t i = -1;]])],
+ [[intmax_t i = -1;
+#ifndef PRId64
+choke me
+#endif]])],
[gcc_cv_header_inttypes_h=yes],
[gcc_cv_header_inttypes_h=no])])
AC_MSG_RESULT($gcc_cv_header_inttypes_h)
fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
putchar_unlocked putc_unlocked)
AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
- sysconf strsignal getrusage nl_langinfo \
+ popen sysconf strsignal getrusage nl_langinfo \
gettimeofday mbstowcs wcswidth mmap setlocale \
gcc_UNLOCKED_FUNCS madvise)
saved_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include $GMPINC"
gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
- strsignal strstr stpcpy strverscmp \
+ stpcpy strnlen strsignal strstr strverscmp \
errno snprintf vsnprintf vasprintf malloc realloc calloc \
free basename getopt clock getpagesize ffs gcc_UNLOCKED_FUNCS, , ,[
#include "ansidecl.h"
force_sjlj_exceptions=yes
enableval=yes
;;
+ lm32*-*-*)
+ force_sjlj_exceptions=yes
+ enableval=yes
+ ;;
*)
force_sjlj_exceptions=no
;;
done
fi
-if test x$need_64bit_hwint = xyes; then
- AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
-[Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
-fi
-
if test x$use_long_long_for_widest_fast_int = xyes; then
AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1,
-[Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still
+[Define to 1 if the 'long long' type is wider than 'long' but still
efficiently supported by the host hardware.])
fi
/* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
*) realsrcdir=../${srcdir};;
esac
+ # Clearing GMPINC is necessary to prevent host headers being
+ # used by the build compiler. Defining GENERATOR_FILE stops
+ # system.h from including gmp.h.
CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
- LDFLAGS="${LDFLAGS_FOR_BUILD}" GMPINC="" \
+ CXX="${CXX_FOR_BUILD}" CXXFLAGS="${CXXFLAGS_FOR_BUILD}" \
+ LD="${LD_FOR_BUILD}" LDFLAGS="${LDFLAGS_FOR_BUILD}" \
+ GMPINC="" CPPFLAGS="${CPPFLAGS} -DGENERATOR_FILE" \
${realsrcdir}/configure \
--enable-languages=${enable_languages-all} \
--target=$target_alias --host=$build_alias --build=$build_alias
SYSTEM_HEADER_DIR=$build_system_header_dir
fi
+if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_headers" != x; then
+ target_header_dir=$with_headers
+ elif test "x$with_sysroot" = x; then
+ target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_build_sysroot" != "x"; then
+ target_header_dir="${with_build_sysroot}${native_system_header_dir}"
+ elif test "x$with_sysroot" = xyes; then
+ target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}"
+ else
+ target_header_dir="${with_sysroot}${native_system_header_dir}"
+ fi
+else
+ target_header_dir=${native_system_header_dir}
+fi
+
# If this is a cross-compiler that does not
# have its own set of headers then define
# inhibit_libc
: ${inhibit_libc=false}
if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
test x$with_newlib = xyes ; } &&
- { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
+ { test "x$with_headers" = xno || test ! -f "$target_header_dir/stdio.h"; } ; then
inhibit_libc=true
fi
AC_SUBST(inhibit_libc)
;;
esac])
+install_gold_as_default=no
AC_ARG_ENABLE(gold,
[[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
[case "${enableval}" in
*)
AC_MSG_ERROR([invalid --enable-gold argument])
;;
- esac],
-[install_gold_as_default=no])
+ esac])
# Identify the linker which will work hand-in-glove with the newly
# built GCC, so that we can examine its features. This is the linker
gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
[elf,2,13,0],,
[ .hidden foobar
-foobar:],[
-# Solaris 9/x86 as incorrectly emits an alias for a hidden symbol with
-# STV_HIDDEN, so disable .hidden support if so.
-case "${target}" in
- i?86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
- if test x$gcc_cv_as != x && test x$gcc_cv_objdump != x; then
- cat > conftest.s <<EOF
-.globl hidden
- .hidden hidden
-hidden:
-.globl default
- .set default,hidden
-EOF
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
- && $gcc_cv_objdump -t conftest.o 2>/dev/null | \
- grep '\.hidden default' > /dev/null; then
- gcc_cv_as_hidden=no
- else
- gcc_cv_as_hidden=yes
- fi
- else
- # Assume bug is present if objdump is missing.
- gcc_cv_as_hidden=no
- fi
- ;;
- *)
- gcc_cv_as_hidden=yes
- ;;
-esac])
+foobar:])
case "${target}" in
*-*-darwin*)
# Darwin as has some visibility support, though with a different syntax.
hppa64*-*-hpux* | ia64*-*-hpux*)
gcc_cv_ld_hidden=yes
;;
- *-*-solaris2.9* | *-*-solaris2.1[0-9]*)
+ *-*-solaris2.1[0-9]*)
# Support for .hidden in Sun ld appeared in Solaris 9 FCS, but
# .symbolic was only added in Solaris 9 12/02.
gcc_cv_ld_hidden=yes
else
case "$target" in
i?86-*-solaris2.1[[0-9]]* | x86_64-*-solaris2.1[[0-9]]*)
- # On Solaris/x86, make sure that GCC and gas agree on using
+ # On Solaris/x86, make sure that GCC and assembler agree on using
# read-only .eh_frame sections for 64-bit.
- if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \
+ if test x$gas = xyes; then
+ as_ix86_64_opt="--64"
+ else
+ as_ix86_64_opt="-xarch=amd64"
+ fi
+ if $gcc_cv_as $as_ix86_64_opt -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
if test $gcc_cv_as_comdat_group_percent = yes; then
gcc_cv_as_comdat_group_group=no
else
- if test -z "${gcc_cv_as_comdat_group_group+set}"; then
- gcc_cv_as_comdat_group_group=no
- fi
case "${target}" in
# Sun as uses a completely different syntax.
*-*-solaris2*)
,, [$conftest_s])
;;
esac
+ if test -z "${gcc_cv_as_comdat_group_group+set}"; then
+ gcc_cv_as_comdat_group_group=no
+ fi
fi
fi
if test x"$ld_is_gold" = xyes; then
tls_first_major=2
tls_first_minor=17
;;
- i[34567]86-*-* | x86_64-*-solaris2.1[0-9]*)
+ i[34567]86-*-* | x86_64-*-*)
case "$target" in
- i[34567]86-*-solaris2.*)
- on_solaris=yes
- tga_func=___tls_get_addr
- ;;
- x86_64-*-solaris2.1[0-9]*)
+ i[34567]86-*-solaris2.* | x86_64-*-solaris2.1[0-9]*)
on_solaris=yes
- tga_func=__tls_get_addr
;;
*)
on_solaris=no
.section .tdata,"awt",@progbits'
tls_first_major=0
tls_first_minor=0
+ tls_section_flag=t
changequote([,])dnl
AC_DEFINE(TLS_SECTION_ASM_FLAG, 't',
[Define to the flag used to mark TLS sections if the default (`T') doesn't work.])
.section ".tdata","awT",@progbits'
tls_first_major=2
tls_first_minor=14
+ tls_section_flag=T
tls_as_opt="--fatal-warnings"
fi
- conftest_s="$conftest_s
+ case "$target" in
+ i[34567]86-*-*)
+ conftest_s="$conftest_s
foo: .long 25
.text
movl %gs:0, %eax
movl \$foo@tpoff, %eax
subl \$foo@tpoff, %eax
leal foo@ntpoff(%ecx), %eax"
- ;;
- x86_64-*-*)
- conftest_s='
- .section ".tdata","awT",@progbits
+ ;;
+ x86_64-*-*)
+ if test x$on_solaris = xyes; then
+ case $gas_flag in
+ yes) tls_as_opt="$tls_as_opt --64" ;;
+ no) tls_as_opt="$tls_as_opt -xarch=amd64" ;;
+ esac
+ fi
+ conftest_s="$conftest_s
foo: .long 25
.text
movq %fs:0, %rax
- leaq foo@TLSGD(%rip), %rdi
- leaq foo@TLSLD(%rip), %rdi
- leaq foo@DTPOFF(%rax), %rdx
- movq foo@GOTTPOFF(%rip), %rax
- movq $foo@TPOFF, %rax'
- tls_first_major=2
- tls_first_minor=14
- tls_as_opt=--fatal-warnings
- ;;
+ leaq foo@tlsgd(%rip), %rdi
+ leaq foo@tlsld(%rip), %rdi
+ leaq foo@dtpoff(%rax), %rdx
+ movq foo@gottpoff(%rip), %rax
+ movq \$foo@tpoff, %rax"
+ ;;
+ esac
+ ;;
ia64-*-*)
conftest_s='
.section ".tdata","awT",@progbits
case "$target" in
sparc*-sun-solaris2.*)
on_solaris=yes
- tga_func=__tls_get_addr
;;
*)
on_solaris=no
[$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
[set_have_as_tls=yes])
fi
-case "$target" in
- # TLS was introduced in the Solaris 9 FCS release. Support for GNU-style
- # TLS on x86 was only introduced in Solaris 9 4/04, replacing the earlier
- # Sun style that Sun ld and GCC don't support any longer.
- *-*-solaris2.*)
- AC_MSG_CHECKING(linker and ld.so.1 TLS support)
- ld_tls_support=no
- # Check ld and ld.so.1 TLS support.
- if echo "$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 "$target" in
- # Solaris 9/x86 ld has GNU style TLS support since version 1.374.
- i?86-*-solaris2.9)
- min_tls_ld_vers_minor=374
- ;;
- # Solaris 9/SPARC and Solaris 10+ ld have TLS support since FCS.
- sparc*-*-solaris2.9 | *-*-solaris2.1[[0-9]]*)
- min_tls_ld_vers_minor=343
- ;;
- esac
- if test "$ld_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(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 and linker support thread-local storage.])
done
fi
fi
+ # Enable default workaround for AArch64 Cortex-A53 erratum 835769.
+ AC_ARG_ENABLE(fix-cortex-a53-835769,
+ [
+AS_HELP_STRING([--enable-fix-cortex-a53-835769],
+ [enable workaround for AArch64 Cortex-A53 erratum 835769 by default])
+AS_HELP_STRING([--disable-fix-cortex-a53-835769],
+ [disable workaround for AArch64 Cortex-A53 erratum 835769 by default])
+ ],
+ [
+ case $enableval in
+ yes)
+ tm_defines="${tm_defines} TARGET_FIX_ERR_A53_835769_DEFAULT=1"
+ ;;
+ no)
+ ;;
+ *)
+ AC_MSG_ERROR(['$enableval' is an invalid value for --enable-fix-cortex-a53-835769.\
+ Valid choices are 'yes' and 'no'.])
+ ;;
+
+ esac
+ ],
+ [])
;;
# All TARGET_ABI_OSF targets.
.align 4
smac %g2, %g3, %g1
umac %g2, %g3, %g1
- cas [[%g2]], %g3, %g1],,
+ casa [[%g2]] 0xb, %g3, %g1],,
[AC_DEFINE(HAVE_AS_LEON, 1,
[Define if your assembler supports LEON instructions.])])
;;
;;
esac
fi
- # Test if the assembler supports the section flag 'e' for specifying
- # an excluded section.
- gcc_GAS_CHECK_FEATURE([.section with e], gcc_cv_as_section_has_e,
- [2,22,51],,
-[.section foo1,"e"
-.byte 0,0,0,0])
- AC_DEFINE_UNQUOTED(HAVE_GAS_SECTION_EXCLUDE,
- [`if test $gcc_cv_as_section_has_e = yes; then echo 1; else echo 0; fi`],
- [Define if your assembler supports specifying the section flag e.])
;;
esac
+ # Test if the assembler supports the section flag 'e' for specifying
+ # an excluded section.
+ gcc_GAS_CHECK_FEATURE([.section with e], gcc_cv_as_section_has_e,
+ [2,22,51], [--fatal-warnings],
+[.section foo1,"e"
+.byte 0,0,0,0])
+ AC_DEFINE_UNQUOTED(HAVE_GAS_SECTION_EXCLUDE,
+ [`if test $gcc_cv_as_section_has_e = yes; then echo 1; else echo 0; fi`],
+ [Define if your assembler supports specifying the section flag e.])
+
gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
gcc_cv_as_ix86_filds,,,
[filds mem; fists mem],,
# These two are used unconditionally by i386.[ch]; it is to be defined
# to 1 if the feature is present, 0 otherwise.
+ as_ix86_gotoff_in_data_opt=
+ if test x$gas = xyes; then
+ as_ix86_gotoff_in_data_opt="--32"
+ fi
gcc_GAS_CHECK_FEATURE([GOTOFF in data],
- gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
+ gcc_cv_as_ix86_gotoff_in_data, [2,11,0],
+ [$as_ix86_gotoff_in_data_opt],
[ .text
.L0:
nop
[AC_DEFINE(HAVE_AS_IX86_REP_LOCK_PREFIX, 1,
[Define if the assembler supports 'rep <insn>, lock <insn>'.])])
+ gcc_GAS_CHECK_FEATURE([ud2 mnemonic],
+ gcc_cv_as_ix86_ud2,,,
+ [ud2],,
+ [AC_DEFINE(HAVE_AS_IX86_UD2, 1,
+ [Define if your assembler supports the 'ud2' mnemonic.])])
+
gcc_GAS_CHECK_FEATURE([R_386_TLS_GD_PLT reloc],
gcc_cv_as_ix86_tlsgdplt,,,
[call tls_gd@tlsgdplt],
[AC_DEFINE(HAVE_AS_IX86_TLSGDPLT, 1,
[Define if your assembler and linker support @tlsgdplt.])])
+ conftest_s='
+ .section .tdata,"aw'$tls_section_flag'",@progbits
+tls_ld:
+ .section .text,"ax",@progbits
+ call tls_ld@tlsldmplt'
gcc_GAS_CHECK_FEATURE([R_386_TLS_LDM_PLT reloc],
gcc_cv_as_ix86_tlsldmplt,,,
- [tls_ld:
- call tls_ld@tlsldmplt],
+ [$conftest_s],
[if test x$gcc_cv_ld != x \
&& $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
gcc_cv_as_ix86_tlsldmplt=yes
fi
- rm -f conftest],
- [AC_DEFINE(HAVE_AS_IX86_TLSLDMPLT, 1,
- [Define if your assembler and linker support @tlsldmplt.])])
+ rm -f conftest])
+ AC_DEFINE_UNQUOTED(HAVE_AS_IX86_TLSLDMPLT,
+ [`if test $gcc_cv_as_ix86_tlsldmplt = yes; then echo 1; else echo 0; fi`],
+ [Define to 1 if your assembler and linker support @tlsldmplt.])
+
+ # Enforce 32-bit output with gas and gld.
+ if test x$gas = xyes; then
+ as_ix86_tls_ldm_opt="--32"
+ fi
+ if echo "$ld_ver" | grep GNU > /dev/null; then
+ if $gcc_cv_ld -V 2>/dev/null | grep elf_i386_sol2 > /dev/null; then
+ ld_ix86_tls_ldm_opt="-melf_i386_sol2"
+ else
+ ld_ix86_tls_ldm_opt="-melf_i386"
+ fi
+ fi
+ conftest_s='
+ .section .text,"ax",@progbits
+ .globl _start
+ .type _start, @function
+_start:
+ leal value@tlsldm(%ebx), %eax
+ call ___tls_get_addr@plt
+
+ .section .tdata,"aw'$tls_section_flag'",@progbits
+ .type value, @object
+value:'
+ gcc_GAS_CHECK_FEATURE([R_386_TLS_LDM reloc],
+ gcc_cv_as_ix86_tlsldm,,
+ [$as_ix86_tls_ldm_opt],
+ [$conftest_s],
+ [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
+ && $gcc_cv_ld $ld_ix86_tls_ldm_opt -o conftest conftest.o $ld_tls_libs -lc > /dev/null 2>&1; then
+ if $gcc_cv_objdump -d conftest 2>/dev/null | grep nop > /dev/null \
+ || dis conftest 2>/dev/null | grep nop > /dev/null; then
+ gcc_cv_as_ix86_tlsldm=yes
+ fi
+ fi
+ rm -f conftest])
+ AC_DEFINE_UNQUOTED(HAVE_AS_IX86_TLSLDM,
+ [`if test $gcc_cv_as_ix86_tlsldm = yes; then echo 1; else echo 0; fi`],
+ [Define to 1 if your assembler and linker support @tlsldm.])
;;
fi
elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x; then
echo ' .ent x' > conftest.s
- echo 'x: ld $2,%got_disp(y)($3)' >> conftest.s
- echo ' ld $25,%call16(y)($28)' >> conftest.s
+ echo 'x: lw $2,%got_disp(y)($3)' >> conftest.s
+ echo ' lw $25,%call16(y)($28)' >> conftest.s
echo ' .reloc 1f,R_MIPS_JALR,y' >> conftest.s
echo '1: jalr $25' >> conftest.s
echo ' .reloc 1f,R_MIPS_JALR,x' >> conftest.s
gcc_GAS_CHECK_FEATURE([--gstabs option],
gcc_cv_as_gstabs_flag,
- [elf,2,11,0], [--gstabs], [$insn],
- [# The native Solaris 9/Intel assembler doesn't understand --gstabs
- # and warns about it, but still exits successfully. So check for
- # this.
- if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
- then :
- else gcc_cv_as_gstabs_flag=yes
- fi],
+ [elf,2,11,0], [--gstabs], [$insn],,
[AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
[Define if your assembler supports the --gstabs option.])])
[Define if your assembler supports the --debug-prefix-map option.])])
fi
+gcc_GAS_CHECK_FEATURE([compressed debug sections],
+ gcc_cv_as_compress_debug,,[--compress-debug-sections],,
+ [# gas compiled without zlib cannot compress debug sections and warns
+ # about it, but still exits successfully. So check for this, too.
+ if $gcc_cv_as --compress-debug-sections -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null
+ then
+ gcc_cv_as_compress_debug=0
+ elif $gcc_cv_as --compress-debug-sections -o conftest.o conftest.s > /dev/null 2>&1
+ then
+ gcc_cv_as_compress_debug=1
+ gcc_cv_as_compress_debug_option="--compress-debug-sections"
+ gcc_cv_as_no_compress_debug_option="--nocompress-debug-sections"
+ else
+ gcc_cv_as_compress_debug=0
+ # FIXME: Future gas versions will support ELF gABI style via
+ # --compress-debug-sections[=type].
+ fi])
+AC_DEFINE_UNQUOTED(HAVE_AS_COMPRESS_DEBUG, $gcc_cv_as_compress_debug,
+[Define to the level of your assembler's compressed debug section support.])
+AC_DEFINE_UNQUOTED(AS_COMPRESS_DEBUG_OPTION, "$gcc_cv_as_compress_debug_option",
+[Define to the assembler option to enable compressed debug sections.])
+AC_DEFINE_UNQUOTED(AS_NO_COMPRESS_DEBUG_OPTION, "$gcc_cv_as_no_compress_debug_option",
+[Define to the assembler option to disable compressed debug sections.])
+
gcc_GAS_CHECK_FEATURE([.lcomm with alignment], gcc_cv_as_lcomm_with_alignment,
,,
[.lcomm bar,4,16],,
[Define to PREFIX/include if cpp should also search that directory.])
fi
-if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
- if test "x$with_headers" != x; then
- target_header_dir=$with_headers
- elif test "x$with_sysroot" = x; then
- target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-include"
- elif test "x$with_build_sysroot" != "x"; then
- target_header_dir="${with_build_sysroot}${native_system_header_dir}"
- elif test "x$with_sysroot" = xyes; then
- target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}"
- else
- target_header_dir="${with_sysroot}${native_system_header_dir}"
- fi
-else
- target_header_dir=${native_system_header_dir}
-fi
-
# Determine the version of glibc, if any, used on the target.
AC_MSG_CHECKING([for target glibc version])
AC_ARG_WITH([glibc-version],
glibc_version_minor=`echo "$glibc_version_minor_define" | sed -e 's/.*__GLIBC_MINOR__[ ]*//'`
fi]])
AC_MSG_RESULT([$glibc_version_major.$glibc_version_minor])
+AC_DEFINE_UNQUOTED([TARGET_GLIBC_MAJOR], [$glibc_version_major],
+[GNU C Library major version number used on the target, or 0.])
+AC_DEFINE_UNQUOTED([TARGET_GLIBC_MINOR], [$glibc_version_minor],
+[GNU C Library minor version number used on the target, or 0.])
AC_ARG_ENABLE(gnu-unique-object,
[AS_HELP_STRING([--enable-gnu-unique-object],
fi
AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections_bug)
+AC_MSG_CHECKING(linker for compressed debug sections)
+# gold/gld support compressed debug sections since binutils 2.19/2.21
+if test $in_tree_ld = yes ; then
+ gcc_cv_ld_compress_debug=0
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 19 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes && test $ld_is_gold = yes; then
+ gcc_cv_ld_compress_debug=2
+ gcc_cv_ld_compress_debug_option="--compress-debug-sections"
+ elif test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_compress_debug=1
+ fi
+elif echo "$ld_ver" | grep GNU > /dev/null; then
+ gcc_cv_ld_compress_debug=1
+ if test 0"$ld_date" -lt 20050308; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2005-03-08, fail
+ gcc_cv_ld_compress_debug=0
+ elif test "$ld_vers_major" -lt 2; then
+ gcc_cv_ld_compress_debug=0
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 21; then
+ gcc_cv_ld_compress_debug=0
+ fi
+ fi
+ if test $ld_is_gold = yes; then
+ gcc_cv_ld_compress_debug=2
+ gcc_cv_ld_compress_debug_option="--compress-debug-sections"
+ fi
+else
+changequote(,)dnl
+ case "${target}" in
+ *-*-solaris2*)
+ # Introduced in Solaris 11.2.
+ if $gcc_cv_ld --help 2>&1 | grep -- '-z compress-sections' > /dev/null; then
+ gcc_cv_ld_compress_debug=3
+ gcc_cv_ld_compress_debug_option="-z compress-sections"
+ else
+ gcc_cv_ld_compress_debug=0
+ fi
+ ;;
+ *)
+ # Assume linkers other than GNU ld don't support compessed debug
+ # sections.
+ gcc_cv_ld_compress_debug=0
+ ;;
+ esac
+changequote([,])dnl
+fi
+AC_DEFINE_UNQUOTED(HAVE_LD_COMPRESS_DEBUG, $gcc_cv_ld_compress_debug,
+[Define to the level of your linker's compressed debug section support.])
+AC_DEFINE_UNQUOTED(LD_COMPRESS_DEBUG_OPTION, "$gcc_cv_ld_compress_debug_option",
+[Define to the linker option to enable compressed debug sections.])
+AC_MSG_RESULT($gcc_cv_ld_compress_debug)
+
# --------
# UNSORTED
# --------
[Define to the linker option to keep unused dependencies.])
fi
+AC_MSG_CHECKING(linker mapfile support for clearing hardware capabilities)
+saved_LDFLAGS="$LDFLAGS"
+for clearcap_map in sol2-clearcapv2.map sol2-clearcap.map; do
+ LDFLAGS="$saved_LDFLAGS -Wl,-M,${srcdir}/config/$clearcap_map"
+ AC_LINK_IFELSE([int main(void) {return 0;}],
+ [gcc_cv_ld_clearcap=yes; break], [gcc_cv_ld_clearcap=no])
+done
+LDFLAGS="$saved_LDFLAGS"
+if test "x$gcc_cv_ld_clearcap" = xyes; then
+ AC_DEFINE([HAVE_LD_CLEARCAP], 1,
+[Define if the linker supports clearing hardware capabilities via mapfile.])
+ AC_CONFIG_LINKS([clearcap.map:${srcdir}/config/$clearcap_map])
+fi
+AC_MSG_RESULT($gcc_cv_ld_clearcap)
+
case "$target:$tm_file" in
powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
case "$target" in
gcc_cv_target_dl_iterate_phdr=no
fi
;;
+ *-*-dragonfly* | *-*-freebsd*)
+ if grep dl_iterate_phdr $target_header_dir/sys/link_elf.h > /dev/null 2>&1; then
+ gcc_cv_target_dl_iterate_phdr=yes
+ else
+ gcc_cv_target_dl_iterate_phdr=no
+ fi
+ ;;
esac
GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
AC_ARG_VAR(ISLLIBS,[How to link ISL])
AC_ARG_VAR(ISLINC,[How to find ISL include files])
-
-AC_ARG_VAR(CLOOGLIBS,[How to link CLOOG])
-AC_ARG_VAR(CLOOGINC,[How to find CLOOG include files])
-if test "x${CLOOGLIBS}" != "x" ; then
- AC_DEFINE(HAVE_cloog, 1, [Define if cloog is in use.])
-fi
-
-# Check for plugin support
-AC_ARG_ENABLE(plugin,
-[AS_HELP_STRING([--enable-plugin], [enable plugin support])],
-enable_plugin=$enableval,
-enable_plugin=yes; default_plugin=yes)
-
-pluginlibs=
-
-case "${host}" in
- *-*-darwin*)
- if test x$build = x$host; then
- export_sym_check="nm${exeext} -g"
- elif test x$host = x$target; then
- export_sym_check="$gcc_cv_nm -g"
- else
- export_sym_check=
- fi
- ;;
- *)
- if test x$build = x$host; then
- export_sym_check="objdump${exeext} -T"
- elif test x$host = x$target; then
- export_sym_check="$gcc_cv_objdump -T"
- else
- export_sym_check=
- fi
- ;;
-esac
-
-if test x"$enable_plugin" = x"yes"; then
-
- AC_MSG_CHECKING([for exported symbols])
- if test "x$export_sym_check" != x; then
- echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
- ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
- if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
- : # No need to use a flag
- AC_MSG_RESULT([yes])
- else
- AC_MSG_RESULT([yes])
- AC_MSG_CHECKING([for -rdynamic])
- ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
- if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
- plugin_rdynamic=yes
- pluginlibs="-rdynamic"
- else
- plugin_rdynamic=no
- enable_plugin=no
- fi
- AC_MSG_RESULT([$plugin_rdynamic])
- fi
- else
- AC_MSG_RESULT([unable to check])
- fi
-
- # Check -ldl
- saved_LIBS="$LIBS"
- AC_SEARCH_LIBS([dlopen], [dl])
- if test x"$ac_cv_search_dlopen" = x"-ldl"; then
- pluginlibs="$pluginlibs -ldl"
- fi
- LIBS="$saved_LIBS"
-
- # Check that we can build shared objects with -fPIC -shared
- saved_LDFLAGS="$LDFLAGS"
- saved_CFLAGS="$CFLAGS"
- case "${host}" in
- *-*-darwin*)
- CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
- CFLAGS="$CFLAGS -fPIC"
- LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
- ;;
- *)
- CFLAGS="$CFLAGS -fPIC"
- LDFLAGS="$LDFLAGS -fPIC -shared"
- ;;
- esac
- AC_MSG_CHECKING([for -fPIC -shared])
- AC_TRY_LINK(
- [extern int X;],[return X == 0;],
- [AC_MSG_RESULT([yes]); have_pic_shared=yes],
- [AC_MSG_RESULT([no]); have_pic_shared=no])
- if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
- pluginlibs=
- enable_plugin=no
- fi
- LDFLAGS="$saved_LDFLAGS"
- CFLAGS="$saved_CFLAGS"
-
- # If plugin support had been requested but not available, fail.
- if test x"$enable_plugin" = x"no" ; then
- if test x"$default_plugin" != x"yes"; then
- AC_MSG_ERROR([
-Building GCC with plugin support requires a host that supports
--fPIC, -shared, -ldl and -rdynamic.])
- fi
- fi
+if test "x${ISLLIBS}" != "x" ; then
+ AC_DEFINE(HAVE_isl, 1, [Define if isl is in use.])
fi
+GCC_ENABLE_PLUGINS
AC_SUBST(pluginlibs)
AC_SUBST(enable_plugin)
if test x"$enable_plugin" = x"yes"; then
[The linker hash style])
fi
+# Generate gcc-driver-name.h containing GCC_DRIVER_NAME for the benefit
+# of jit/jit-playback.c.
+cat > gcc-driver-name.h <<EOF
+#define GCC_DRIVER_NAME "${target_noncanonical}-gcc-${gcc_BASEVER}${exeext}"
+EOF
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
projects / thirdparty / gcc.git / blobdiff