diff options
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 426 |
1 files changed, 242 insertions, 184 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 8ef11e3..c652257 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -358,7 +358,7 @@ if test x"${DEFAULT_LINKER+set}" = x"set"; then AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then gnu_ld_flag=yes - elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep ld64- > /dev/null; then + elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep 'PROJECT:ld\(64\)*-' > /dev/null; then ld64_flag=yes fi AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", @@ -563,35 +563,6 @@ if test $ac_cv_std_swap_in_utility = yes; then [Define if <utility> defines std::swap.]) fi -# Check whether compiler is affected by placement new aliasing bug (PR 29286). -# If the host compiler is affected by the bug, and we build with optimization -# enabled (which happens e.g. when cross-compiling), the pool allocator may -# get miscompiled. Use -fno-strict-aliasing to work around this problem. -# Since there is no reliable feature check for the presence of this bug, -# we simply use a GCC version number check. (This should never trigger for -# stages 2 or 3 of a native bootstrap.) -aliasing_flags= -if test "$GCC" = yes; then - saved_CXXFLAGS="$CXXFLAGS" - - # The following test compilation will succeed if and only if $CXX accepts - # -fno-strict-aliasing *and* is older than GCC 4.3. - CXXFLAGS="$CXXFLAGS -fno-strict-aliasing" - AC_MSG_CHECKING([whether $CXX is affected by placement new aliasing bug]) - AC_COMPILE_IFELSE([AC_LANG_SOURCE([ -#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) -#error compiler not affected by placement new aliasing bug -#endif -])], - [AC_MSG_RESULT([yes]); aliasing_flags='-fno-strict-aliasing'], - [AC_MSG_RESULT([no])]) - - CXXFLAGS="$saved_CXXFLAGS" -fi -AC_SUBST(aliasing_flags) - - - # --------------------- # Warnings and checking # --------------------- @@ -1366,7 +1337,7 @@ AC_HEADER_TIOCGWINSZ AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \ fcntl.h ftw.h unistd.h sys/auxv.h sys/file.h sys/time.h sys/mman.h \ sys/resource.h sys/param.h sys/times.h sys/stat.h sys/locking.h \ - direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h) + direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h libgen.h) # Check for thread headers. AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) @@ -1397,7 +1368,7 @@ AC_CHECK_HEADERS(ext/hash_map) ZW_CREATE_DEPDIR AC_CONFIG_COMMANDS([gccdepdir],[ ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/mkinstalldirs build/$DEPDIR - for lang in $subdirs c-family common analyzer text-art rtl-ssa sym-exec + for lang in $subdirs c-family common analyzer custom-sarif-properties diagnostics text-art rtl-ssa sym-exec do ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/mkinstalldirs $lang/$DEPDIR done], [subdirs="$subdirs" ac_aux_dir=$ac_aux_dir DEPDIR=$DEPDIR]) @@ -1531,6 +1502,8 @@ if test "x$ZSTD_LIB" != x \ ZSTD_LDFLAGS=-L$ZSTD_LIB fi +saved_CXXFLAGS="$CXXFLAGS" +saved_LDFLAGS="$LDFLAGS" CXXFLAGS="$CXXFLAGS $ZSTD_CPPFLAGS" LDFLAGS="$LDFLAGS $ZSTD_LDFLAGS" @@ -1562,6 +1535,9 @@ elif test "x$with_zstd" != x; then fi fi +CXXFLAGS="$saved_CXXFLAGS" +LDFLAGS="$saved_LDFLAGS" + dnl Disabled until we have a complete test for buggy enum bitfields. dnl gcc_AC_C_ENUM_BF_UNSIGNED @@ -1574,7 +1550,7 @@ AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoq \ popen sysconf strsignal getrusage nl_langinfo \ gettimeofday mbstowcs wcswidth mmap posix_fallocate setlocale \ gcc_UNLOCKED_FUNCS madvise mallinfo mallinfo2 fstatat getauxval \ - clock_gettime munmap msync get_current_dir_name) + clock_gettime munmap msync get_current_dir_name memrchr) # At least for glibc, clock_gettime is in librt. But don't pull that # in if it still doesn't give us the function we want. @@ -1645,9 +1621,17 @@ CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include $GMPINC" # normal autoconf function for these. But force definition of # HAVE_DECL_BASENAME like gcc_AC_CHECK_DECLS does, to suppress the bizarre # basename handling in libiberty.h. -AC_CHECK_DECLS([basename(const char*), strstr(const char*,const char*)], , ,[ +# Match the configure test in libiberty so that we have a consistent result. +AC_CHECK_DECLS([basename(char*)], , ,[ #undef HAVE_DECL_BASENAME #define HAVE_DECL_BASENAME 1 +#if HAVE_LIBGEN_H +# include <libgen.h> +#endif +#include "ansidecl.h" +#include "system.h"]) + +AC_CHECK_DECLS([strstr(const char*,const char*)], , ,[ #include "ansidecl.h" #include "system.h"]) @@ -1773,6 +1757,21 @@ if test $ac_cv_have_decl_O_NONBLOCK = yes; then [Define if O_NONBLOCK supported by fcntl.]) fi +# Check if personality and ADDR_NO_RANDOMIZE are declared +# in sys/personality.h +AC_CACHE_CHECK(for personality ADDR_NO_RANDOMIZE, + ac_cv_personality_addr_no_randomize, [ +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/personality.h>]], [[ +personality (personality (0xffffffffU) | ADDR_NO_RANDOMIZE);]])], +[ac_cv_personality_addr_no_randomize=yes], +[ac_cv_personality_addr_no_randomize=no])]) +if test $ac_cv_personality_addr_no_randomize = yes; then + AC_DEFINE(HOST_HAS_PERSONALITY_ADDR_NO_RANDOMIZE, 1, + [Define if personality and ADDR_NO_RANDOMIZE are declared in +sys/personality.h.]) +fi + # C++ Modules would like some networking features to provide the mapping # server. You can still use modules without them though. @@ -2449,6 +2448,17 @@ for f in $tm_rust_file; do esac done +tm_jit_file_list= +tm_jit_include_list= +for f in $tm_jit_file; do + case $f in + * ) + tm_jit_file_list="${tm_jit_file_list} \$(srcdir)/config/$f" + tm_jit_include_list="${tm_jit_include_list} config/$f" + ;; + esac +done + xm_file_list= xm_include_list= for f in $xm_file; do @@ -2792,6 +2802,16 @@ if test x$gcc_cv_ld != x; then fi AC_MSG_RESULT($ld_is_mold) +# Check to see if we are using Wild instead of ld +AC_MSG_CHECKING(whether we are using wild) +ld_is_wild=no +if test x$gcc_cv_ld != x; then + if $gcc_cv_ld --version 2>/dev/null | sed 1q \ + | grep "Wild" > /dev/null; then + ld_is_wild=yes + fi +fi +AC_MSG_RESULT($ld_is_wild) AC_MSG_CHECKING(gold linker with split stack support as non default) # Check to see if default ld is not gold, but gold is @@ -3026,7 +3046,7 @@ gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,, .subsection -1 conftest_label2: .word 0 .previous], - [if test x$gcc_cv_nm != x; then + [if test x"$gcc_cv_nm" != x; then $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1 @@ -3118,9 +3138,9 @@ bar: ret .size bar, .-bar EOF - if test x$gcc_cv_as != x \ - && test x$gcc_cv_ld != x \ - && test x$gcc_cv_readelf != x \ + if test x"$gcc_cv_as" != x \ + && test x"$gcc_cv_ld" != x \ + && test x"$gcc_cv_readelf" != x \ && $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1 \ && $gcc_cv_readelf --relocs --wide conftest \ @@ -3161,6 +3181,19 @@ if test $in_tree_ld != yes ; then ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` + case "${target}" in + *-*-solaris2*) + if test "$ld_vers_major" -gt 2; then + : + elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 30; then + : + else +changequote([,])dnl + AC_MSG_ERROR([GNU ld 2.30 or later is required on Solaris (found GNU ld $ld_ver)]) +changequote(,)dnl + fi + ;; + esac else case "${target}" in *-*-solaris2*) @@ -3201,6 +3234,8 @@ else : elif test x"$ld_is_mold" = xyes; then : + elif test x"$ld_is_wild" = xyes; then + : elif echo "$ld_ver" | grep GNU > /dev/null; then if test 0"$ld_date" -lt 20020404; then if test -n "$ld_date"; then @@ -3259,7 +3294,7 @@ if test $in_tree_ld = yes ; then && test $in_tree_ld_is_elf = yes; then gcc_cv_ld_ro_rw_mix=read-write fi -elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then +elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x -a x"$gcc_cv_objdump" != x ; then echo '.section myfoosect, "a"' > conftest1.s echo '.section myfoosect, "aw"' > conftest2.s echo '.byte 1' >> conftest2.s @@ -3268,8 +3303,11 @@ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1; then + # Note the Wild linker has --gc-sections on by default. if $gcc_cv_ld -shared -o conftest1.so conftest1.o \ - conftest2.o conftest3.o > /dev/null 2>&1 \ + conftest2.o conftest3.o --no-gc-sections > /dev/null 2>&1 \ + || $gcc_cv_ld -shared -o conftest1.so conftest1.o \ + conftest2.o conftest3.o > /dev/null 2>&1 \ || $gcc_cv_ld -r -o conftest1.so conftest1.o \ conftest2.o conftest3.o > /dev/null 2>&1; then gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ @@ -3313,8 +3351,8 @@ case $target in esac # Check if we have .[us]leb128, and support symbol arithmetic with it. -# Older versions of GAS and some non-GNU assemblers, have a bugs handling -# these directives, even when they appear to accept them. +# Older versions of GAS and some non-GNU assemblers have bugs in handling +# of these directives, even when they appear to accept them. gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128, [$check_leb128_asflags], [ .data @@ -3336,6 +3374,11 @@ elif test "x$gcc_cv_otool" != x; then | grep '04 80 0a 8e 78 80 80 80 80 80 80 80 80 80 01' >/dev/null; then gcc_cv_as_leb128=yes fi +elif test "x$gcc_cv_readelf" != x; then + if $gcc_cv_readelf -x .data conftest.o 2>/dev/null \ + | grep '04800a8e 78808080 80808080 808001' >/dev/null; then + gcc_cv_as_leb128=yes + fi else # play safe, assume the assembler is broken. : @@ -3404,6 +3447,12 @@ gcc_GAS_CHECK_FEATURE([cfi directives], gcc_cv_as_cfi_directive,, esac fi ;; + x86_64-*-darwin* | i?86-*-darwin* | powerpc*-darwin-*) + # Darwin has assemblers that support .cfi_ instructions, but that then + # triggers emission of compact unwind which has incompatibilities with + # current GCC output. + gcc_cv_as_cfi_directive=no + ;; *-*-*) gcc_cv_as_cfi_directive=yes ;; @@ -3571,9 +3620,9 @@ AC_DEFINE_UNQUOTED(HAVE_GAS_SECTION_EXCLUDE, # Test if the assembler supports the section flag 'R' for specifying # section with SHF_GNU_RETAIN. case "${target}" in - # Solaris may use GNU assembler with Solairs ld. Even if GNU + # Solaris may use GNU assembler with Solaris ld. Even if GNU # assembler supports the section flag 'R', it doesn't mean that - # Solairs ld supports it. + # Solaris ld supports it. *-*-solaris2*) gcc_cv_as_shf_gnu_retain=no ;; @@ -3591,9 +3640,9 @@ AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_GNU_RETAIN, # Test if the assembler supports the section flag 'o' for specifying # section with link-order. case "${target}" in - # Solaris may use GNU assembler with Solairs ld. Even if GNU + # Solaris may use GNU assembler with Solaris ld. Even if GNU # assembler supports the section flag 'o', it doesn't mean that - # Solairs ld supports it. + # Solaris ld supports it. *-*-solaris2*) gcc_cv_as_section_link_order=no ;; @@ -3674,6 +3723,8 @@ if test x"$ld_is_gold" = xyes; then comdat_group=yes elif test x"$ld_is_mold" = xyes; then comdat_group=yes +elif test x"$ld_is_wild" = 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 \ @@ -3695,21 +3746,8 @@ elif echo "$ld_ver" | grep GNU > /dev/null; then else changequote(,)dnl case "${target}" in - *-*-solaris2.1[1-9]*) - comdat_group=no - # 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. - # - # If using Sun as for COMDAT group as emitted by GCC, one needs at - # least ld version 1.2267. - if test "$ld_vers_major" -gt 1; then - comdat_group=yes - elif test "x$gas_flag" = xyes && test "$ld_vers_minor" -ge 1688; then - comdat_group=yes - elif test "$ld_vers_minor" -ge 2267; then - comdat_group=yes - fi + *-*-solaris2*) + comdat_group=yes ;; *) # Assume linkers other than GNU ld don't support COMDAT group. @@ -4184,6 +4222,35 @@ else [$tls_as_opt], [$conftest_s],, [set_have_as_tls=yes]) fi +case $target_os in + win32 | pe | cygwin* | mingw32*) + if test $set_have_as_tls = yes; then + # Hack to check whether ld breaks on @secrel32 for Windows + if test $in_tree_ld = yes; then + if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 44 -o "$gcc_cv_gld_major_version" -gt 2; then + : # ld support for @secrel32 was fixed in this version + else + AC_MSG_ERROR([ld version is known to have broken secrel32 relocations, configure without --enable-tls or with --disable-tls to remove this error. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information.]) + fi + elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x -a x"$gcc_cv_objdump" != x; then + echo '.text' > conftest.s + echo 'foo: nop' >> conftest.s + echo '.data' >> conftest.s + echo '.secrel32 foo' >> conftest.s + if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 && $gcc_cv_ld -o conftest.exe conftest.o > /dev/null; then + if $gcc_cv_objdump -h conftest.exe | grep '\.reloc\>' > /dev/null; then + AC_MSG_ERROR([ld has broken secrel32 relocations, configure without --enable-tls or with --disable-tls to remove this error. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information.]) + fi + else + AC_MSG_ERROR([Error occurred while checking for broken secrel32 relocations. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information.]) + fi + rm -f conftest.s conftest.o conftest.exe + else + AC_MSG_ERROR([Cannot check for broken secrel32 relocations to determine --enable-tls support. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80881 for more information.]) + fi + fi + ;; +esac if test $set_have_as_tls = yes ; then AC_DEFINE(HAVE_AS_TLS, 1, [Define if your assembler and linker support thread-local storage.]) @@ -4415,6 +4482,15 @@ case "$target" in ldr x0, [[x2, #:gotpage_lo15:globalsym]] ],,[AC_DEFINE(HAVE_AS_SMALL_PIC_RELOCS, 1, [Define if your assembler supports relocs needed by -fpic.])]) + # Check if we have binutils support for AEABI build attributes. + gcc_GAS_CHECK_FEATURE([support of AEABI build attributes], gcc_cv_as_aarch64_aeabi_build_attributes,, + [ + .aeabi_subsection aeabi_feature_and_bits, optional, ULEB128 + .aeabi_attribute Tag_Feature_BTI, 1 + .aeabi_attribute Tag_Feature_PAC, 1 + .aeabi_attribute Tag_Feature_GCS, 1 + ],,[AC_DEFINE(HAVE_AS_AEABI_BUILD_ATTRIBUTES, 1, + [Define if your assembler supports AEABI build attributes.])]) # Enable Branch Target Identification Mechanism and Return Address # Signing by default. AC_ARG_ENABLE(standard-branch-protection, @@ -4948,12 +5024,11 @@ foo: nop if test x$gas = xyes; then as_ix86_gas_32_opt="--32" fi - if echo "$ld_ver" | grep GNU > /dev/null; then - if $gcc_cv_ld -V 2>/dev/null | grep elf_i386_sol2 > /dev/null; then - ld_ix86_gld_32_opt="-melf_i386_sol2" - else - ld_ix86_gld_32_opt="-melf_i386" - fi + if test x$gnu_ld = xyes; then + case $target in + *-*-solaris2*) ld_ix86_gld_32_opt="-melf_i386_sol2" ;; + *) ld_ix86_gld_32_opt="-melf_i386" ;; + esac fi gcc_GAS_CHECK_FEATURE([R_386_TLS_GD_PLT reloc], @@ -5046,12 +5121,11 @@ _start: # Check if gas and gld support "addq %r23,foo@GOTTPOFF(%rip), %r15" # with R_X86_64_CODE_6_GOTTPOFF relocation. - if echo "$ld_ver" | grep GNU > /dev/null; then - if $gcc_cv_ld -V 2>/dev/null | grep elf_x86_64_sol2 > /dev/null; then - ld_ix86_gld_64_opt="-melf_x86_64_sol2" - else - ld_ix86_gld_64_opt="-melf_x86_64" - fi + if test x$gnu_ld = xyes; then + case $target in + *-*-solaris2*) ld_ix86_gld_64_opt="-melf_x86_64_sol2" ;; + *) ld_ix86_gld_64_opt="-melf_x86_64" ;; + esac fi # Enforce 64-bit output with gas and gld. if test x$gas = xyes; then @@ -5354,7 +5428,7 @@ x: && test $in_tree_ld_is_elf = yes; then gcc_cv_as_ld_jalr_reloc=yes fi - elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x; then + 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: lw $2,%got_disp(y)($3)' >> conftest.s echo ' lw $25,%call16(y)($28)' >> conftest.s @@ -5391,9 +5465,9 @@ x: -o "$gcc_cv_gld_major_version" -gt 2; then gcc_cv_ld_mips_personality_relaxation=yes fi - elif test x$gcc_cv_as != x \ - -a x$gcc_cv_ld != x \ - -a x$gcc_cv_readelf != x ; then + elif test x"$gcc_cv_as" != x \ + -a x"$gcc_cv_ld" != x \ + -a x"$gcc_cv_readelf" != x ; then cat > conftest.s <<EOF .cfi_startproc .cfi_personality 0x80,indirect_ptr @@ -5531,6 +5605,12 @@ x: [lu12i.w $t0,%le_hi20_r(a)],, [AC_DEFINE(HAVE_AS_TLS_LE_RELAXATION, 1, [Define if your assembler supports tls le relocation.])]) + gcc_GAS_CHECK_FEATURE([16-byte atomic support], + gcc_cv_as_loongarch_16_byte_atomic_support,, + [vori.b $vr0, $vr1, 0 + sc.q $a0, $a1, $a2, 0],, + [AC_DEFINE(HAVE_AS_16B_ATOMIC, 1, + [Define if your assembler supports LSX and SCQ for 16B atomic.])]) ;; s390*-*-*) gcc_GAS_CHECK_FEATURE([.gnu_attribute support], @@ -5588,7 +5668,7 @@ case "$target" in amdgcn-* | gcn-*) AC_MSG_CHECKING(llvm assembler version) gcc_cv_as_version="unknown" - if test x$gcc_cv_as != x; then + if test x"$gcc_cv_as" != x; then gcc_cv_as_version=`$gcc_cv_as --version 2>&1 | sed -ne '/version/s/.* \([[0-9]]\)/\1/p' || echo error` case "$gcc_cv_as_version" in 13.0.[[1-9]]*) ;; # 13.0.1+ @@ -6088,10 +6168,7 @@ elif test x$gcc_cv_ld != x; then else case "$target" in *-*-solaris2*) - # Sun ld has various bugs in .eh_frame_hdr support before version 1.2251. - if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2251; then - gcc_cv_ld_eh_frame_hdr=yes - fi + gcc_cv_ld_eh_frame_hdr=yes ;; esac fi @@ -6106,11 +6183,7 @@ AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) AC_MSG_CHECKING(linker position independent executable support) gcc_cv_ld_pie=no if test $in_tree_ld = yes ; then - case "$target" in - # Full PIE support on Solaris was only introduced in gld 2.26. - *-*-solaris2*) gcc_gld_pie_min_version=26 ;; - *) gcc_gld_pie_min_version=15 ;; - esac + gcc_gld_pie_min_version=15 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge "$gcc_gld_pie_min_version" -o "$gcc_cv_gld_major_version" -gt 2 \ && test $in_tree_ld_is_elf = yes; then gcc_cv_ld_pie=yes @@ -6119,21 +6192,11 @@ elif test x$gcc_cv_ld != x; then # Check if linker supports -pie option if $gcc_cv_ld --help 2>&1 | grep -- -pie > /dev/null; then gcc_cv_ld_pie=yes - case "$target" in - *-*-solaris2*) - if echo "$ld_ver" | grep GNU > /dev/null \ - && test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 26; then - gcc_cv_ld_pie=no - fi - ;; - esac else case "$target" in - *-*-solaris2.1[[1-9]]*) + *-*-solaris2*) # Solaris 11.3 added PIE support. - if $gcc_cv_ld -z help 2>&1 | grep -- type.*pie > /dev/null; then - gcc_cv_ld_pie=yes - fi + gcc_cv_ld_pie=yes ;; esac fi @@ -6151,7 +6214,7 @@ if test $gcc_cv_ld_pie = yes ; then if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 25 -o "$gcc_cv_gld_major_version" -gt 2; then gcc_cv_ld_pie_copyreloc=yes fi - elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then + elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x ; then # Check if linker supports -pie option with copy reloc case "$target" in i?86-*-linux* | x86_64-*-linux*) @@ -6199,7 +6262,7 @@ if test $in_tree_ld = yes ; then && test $in_tree_ld_is_elf = yes; then gcc_cv_ld_eh_gc_sections=yes fi -elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then +elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x -a x"$gcc_cv_objdump" != x ; then cat > conftest.s <<EOF .section .text .globl _start @@ -6280,7 +6343,7 @@ if test $in_tree_ld = yes ; then && test $in_tree_ld_is_elf = yes; then gcc_cv_ld_eh_gc_sections_bug=yes fi -elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x -a x$gcc_cv_as_comdat_group = xyes; then +elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x -a x"$gcc_cv_objdump" != x -a x$gcc_cv_as_comdat_group = xyes; then gcc_cv_ld_eh_gc_sections_bug=yes cat > conftest.s <<EOF .section .text @@ -6332,11 +6395,12 @@ changequote(,)dnl case "${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=1 - gcc_cv_ld_compress_debug_option="-z compress-sections" - else - gcc_cv_ld_compress_debug=0 + gcc_cv_ld_compress_debug=1 + gcc_cv_ld_compress_debug_option="-z compress-sections" + # Detect zstd debug section compression support. Introduced in + # Solaris 11.4 SRU 90. + if $gcc_cv_ld --help 2>&1 | grep -- '-z compress-sections.*\<zstd\>' > /dev/null; then + gcc_cv_ld_compress_debug=2 fi ;; *) @@ -6360,6 +6424,7 @@ if test x"$ld64_flag" = x"yes"; then gcc_cv_ld64_platform_version=0 gcc_cv_ld64_macos_version_min=0 gcc_cv_ld64_demangle=0 + gcc_cv_ld64_no_deduplicate=0 if test "$build" = "$host"; then darwin_try_test=1 @@ -6387,6 +6452,9 @@ if test x"$ld64_flag" = x"yes"; then if test "$gcc_cv_ld64_major" -ge 236; then gcc_cv_ld64_export_dynamic=1 fi + if test "$gcc_cv_ld64_major" -ge 262; then + gcc_cv_ld64_no_deduplicate=1 + fi if test "$gcc_cv_ld64_major" -ge 512; then gcc_cv_ld64_platform_version=1 gcc_cv_ld64_macos_version_min=1 @@ -6395,8 +6463,9 @@ if test x"$ld64_flag" = x"yes"; then # If the version was not specified, try to find it. AC_MSG_CHECKING(linker version) if test x"${gcc_cv_ld64_version}" = x; then - gcc_cv_ld64_version=`$gcc_cv_ld -v 2>&1 | $EGREP 'ld64|dyld' \ - | sed -e 's/.*ld64-//' -e 's/.*dyld-//'| awk '{print $1}'` + gcc_cv_ld64_version=`$gcc_cv_ld -v 2>&1 | $EGREP 'ld64|dyld|PROJECT:ld' \ + | sed -e 's/.*ld64-//' -e 's/.*dyld-//' -e 's/.*PROJECT:ld-//' \ + | awk '{print $1}'` fi AC_MSG_RESULT($gcc_cv_ld64_version) @@ -6414,6 +6483,13 @@ if test x"$ld64_flag" = x"yes"; then fi AC_MSG_RESULT($gcc_cv_ld64_export_dynamic) + AC_MSG_CHECKING(linker for -no_deduplicate support) + gcc_cv_ld64_no_deduplicate=1 + if $gcc_cv_ld -no_deduplicate < /dev/null 2>&1 | grep 'unknown option' > /dev/null; then + gcc_cv_ld64_no_deduplicate=0 + fi + AC_MSG_RESULT($gcc_cv_ld64_no_deduplicate) + AC_MSG_CHECKING(linker for -platform_version support) gcc_cv_ld64_platform_version=1 if $gcc_cv_ld -platform_version macos 10.5 0.0 < /dev/null 2>&1 | grep 'unknown option' > /dev/null; then @@ -6440,6 +6516,9 @@ if test x"$ld64_flag" = x"yes"; then AC_DEFINE_UNQUOTED(LD64_HAS_EXPORT_DYNAMIC, $gcc_cv_ld64_export_dynamic, [Define to 1 if ld64 supports '-export_dynamic'.]) + AC_DEFINE_UNQUOTED(LD64_HAS_NO_DEDUPLICATE, $gcc_cv_ld64_no_deduplicate, + [Define to 1 if ld64 supports '-no_deduplicate'.]) + AC_DEFINE_UNQUOTED(LD64_HAS_PLATFORM_VERSION, $gcc_cv_ld64_platform_version, [Define to 1 if ld64 supports '-platform_version'.]) @@ -6572,21 +6651,12 @@ elif test x$gcc_cv_ld != x; then ;; esac fi -# --as-needed/-z ignore can only be used if libgcc_s.so.1 uses -# dl_iterate_phdr, i.e. since Solaris 11. case "$target" in - *-*-solaris2.1[[1-9]]*) - case "$target" in - i?86-*-* | x86_64-*-*) - if echo "$ld_ver" | grep GNU > /dev/null; then - # Doesn't work with gld on Solaris/x86 due to PR ld/12320. - gcc_cv_ld_as_needed=no - fi - ;; - esac - ;; - *-*-solaris2*) - gcc_cv_ld_as_needed=no + i?86-*-solaris2* | x86_64-*-solaris2*) + if echo "$ld_ver" | grep GNU > /dev/null; then + # Doesn't work with gld on Solaris/x86 due to PR ld/12320. + gcc_cv_ld_as_needed=no + fi ;; esac ]) @@ -6635,7 +6705,7 @@ case "$target" in -o "$gcc_cv_gld_major_version" -gt 2; then gcc_cv_ld_ppc_attr=yes fi - elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then + elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x ; then # check that merging the long double .gnu_attribute doesn't warn cat > conftest1.s <<EOF .gnu_attribute 4,1 @@ -6684,7 +6754,7 @@ case "$target:$tm_file" in if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then gcc_cv_ld_no_dot_syms=yes fi - elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then + elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x ; then cat > conftest1.s <<EOF .text bl .foo @@ -6723,7 +6793,7 @@ EOF if test "$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 + elif test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x ; then cat > conftest.s <<EOF .section ".tbss","awT",@nobits .align 3 @@ -6731,7 +6801,7 @@ ie0: .space 8 .global _start .text _start: - addis 9,13,ie0@got@tprel@ha + addis 9,2,ie0@got@tprel@ha ld 9,ie0@got@tprel@l(9) EOF if $gcc_cv_as -a64 -o conftest.o conftest.s > /dev/null 2>&1 \ @@ -6748,7 +6818,7 @@ EOF AC_CACHE_CHECK(linker toc pointer alignment, gcc_cv_ld_toc_align, - [if test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_nm != x; then + [if test x"$gcc_cv_as" != x -a x"$gcc_cv_ld" != x -a x"$gcc_cv_nm" != x; then cat > conftest.s <<EOF .global _start .text @@ -6778,7 +6848,7 @@ case "$target" in AC_CACHE_CHECK(linker large toc support, gcc_cv_ld_large_toc, [gcc_cv_ld_large_toc=no - if test x$gcc_cv_as != x ; then + if test x"$gcc_cv_as" != x ; then cat > conftest.s <<EOF .toc LC..1: @@ -6837,29 +6907,6 @@ if test x"$enable_linker_build_id" = xyes; then fi fi -# In binutils 2.21, GNU ld gained support for new emulations fully -# supporting the Solaris 2 ABI. Detect their presence in the linker used. -AC_CACHE_CHECK(linker *_sol2 emulation support, - gcc_cv_ld_sol2_emulation, - [gcc_cv_ld_sol2_emulation=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 \ - && test $in_tree_ld_is_elf = yes; then - gcc_cv_ld_sol2_emulation=yes - fi - elif test x$gcc_cv_ld != x; then - if $gcc_cv_ld -V 2>/dev/null | sed -e '1,/Supported emulations/d;q' | \ - grep _sol2 > /dev/null; then - gcc_cv_ld_sol2_emulation=yes - fi - fi]) -if test x"$gcc_cv_ld_sol2_emulation" = xyes; then - AC_DEFINE(HAVE_LD_SOL2_EMULATION, 1, - [Define if your linker supports the *_sol2 emulations.]) -fi - AC_CACHE_CHECK(linker --sysroot support, gcc_cv_ld_sysroot, [gcc_cv_ld_sysroot=no @@ -6877,37 +6924,6 @@ if test x"$gcc_cv_ld_sysroot" = xyes; then [Define if your linker supports --sysroot.]) fi -case $target in -*-*-solaris2*) - # Check for system-provided CRTs on Solaris 11.x and Solaris 12. - AC_CACHE_CHECK([system-provided CRTs on Solaris], - gcc_cv_solaris_crts, - [gcc_cv_solaris_crts=no - if test x$host != x$target; then - if test "x$with_sysroot" = xyes; then - target_sysroot="${test_exec_prefix}/${target_noncanonical}/sys-root" - else - target_sysroot="${with_sysroot}" - fi - fi - target_libdir="$target_sysroot/usr/lib" - # At the time they were added, gcrt1.o became a symlink for backwards - # compatibility on x86, while crt1.o was added on sparc, so check for that. - case $target in - i?86-*-solaris2* | x86_64-*-solaris2*) - if test -h "$target_libdir/gcrt1.o"; then gcc_cv_solaris_crts=yes; fi - ;; - sparc*-*-solaris2*) - if test -f "$target_libdir/crt1.o"; then gcc_cv_solaris_crts=yes; fi - ;; - esac]) - ;; -esac -if test x$gcc_cv_solaris_crts = xyes; then - AC_DEFINE(HAVE_SOLARIS_CRTS, 1, - [Define if the system-provided CRTs are present on Solaris.]) -fi - AC_ARG_ENABLE(libssp, [AS_HELP_STRING([--enable-libssp], [enable linking against libssp])], [case "${enableval}" in @@ -6991,6 +7007,11 @@ if test x$enable_default_ssp = xyes ; then fi AC_SUBST([enable_default_ssp]) +if echo " ${TARGET_CONFIGDIRS} " | grep " libatomic " > /dev/null 2>&1 ; then + AC_DEFINE(TARGET_PROVIDES_LIBATOMIC, 1, + [Define if libatomic is built for the target.]) +fi + # Test for <sys/sdt.h> on the target. GCC_TARGET_TEMPLATE([HAVE_SYS_SDT_H]) AC_CACHE_CHECK([sys/sdt.h in the target C library], [gcc_cv_sys_sdt_h], [ @@ -7538,6 +7559,8 @@ AC_SUBST(tm_d_file_list) AC_SUBST(tm_d_include_list) AC_SUBST(tm_rust_file_list) AC_SUBST(tm_rust_include_list) +AC_SUBST(tm_jit_file_list) +AC_SUBST(tm_jit_include_list) AC_SUBST(xm_file_list) AC_SUBST(xm_include_list) AC_SUBST(xm_defines) @@ -7547,6 +7570,7 @@ AC_SUBST(cxx_target_objs) AC_SUBST(fortran_target_objs) AC_SUBST(d_target_objs) AC_SUBST(rust_target_objs) +AC_SUBST(jit_target_objs) AC_SUBST(target_cpu_default) AC_SUBST_FILE(language_hooks) @@ -7741,7 +7765,6 @@ if test x$enable_default_pie = xyes ; then AC_DEFINE(ENABLE_DEFAULT_PIE, 1, [Define if your target supports default PIE and it is enabled.]) fi -AC_SUBST([enable_default_pie]) # Check if -fno-PIE works. AC_CACHE_CHECK([for -fno-PIE option], @@ -7910,6 +7933,41 @@ standards-compatible mode on s390 targets.]) ;; esac +# On x86-64, when profiling is enabled with shrink wrapping, the mcount +# call may not be placed at the function entry after +# pushq %rbp +# movq %rsp,%rbp +# As the result, the profile data may be skewed which makes PGO less +# effective: +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120881 +# Enable -mfentry by default on x86-64 to put the profiling counter call +# before the prologue. +AC_ARG_ENABLE(x86-64-mfentry, + [AS_HELP_STRING([--enable-x86-64-mfentry], + [enable -mfentry by default on x86-64 targets])], + [case "${enableval}" in + yes | no | auto) + enable_x86_64_mfentry=$enableval + ;; + *) + AC_MSG_ERROR(['$enable_x86_64_mfentry' is an invalid value for --enable-x86-64-mfentry. Valid choices are 'yes', 'no' and 'auto'.]) + ;; + esac], + [enable_x86_64_mfentry=auto]) + +if test x"$enable_x86_64_mfentry" = xauto; then + case "${target}" in + i?86-*-*gnu* | x86_64-*-*gnu*) + # Enable -mfentry by default with glibc on x86. + enable_x86_64_mfentry=yes + ;; + esac +fi + +gif=`if test x$enable_x86_64_mfentry = xyes; then echo 1; else echo 0; fi` +AC_DEFINE_UNQUOTED(ENABLE_X86_64_MFENTRY, $gif, +[Define to enable -mfentry by default on x86-64.]) + # Check if the linker supports '-z now' ld_now_support=no AC_MSG_CHECKING(linker -z now option) |