diff options
Diffstat (limited to 'gcc-4.9/gcc/configure.ac')
| -rw-r--r-- | gcc-4.9/gcc/configure.ac | 95 |
1 files changed, 78 insertions, 17 deletions
diff --git a/gcc-4.9/gcc/configure.ac b/gcc-4.9/gcc/configure.ac index a130db62e..309f068e2 100644 --- a/gcc-4.9/gcc/configure.ac +++ b/gcc-4.9/gcc/configure.ac @@ -760,6 +760,21 @@ AC_ARG_WITH(build-sysroot, [SYSROOT_CFLAGS_FOR_TARGET=]) AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) +AC_ARG_WITH([runtime-root-prefix], + [ --with-runtime-root-prefix=prefix + prepend prefix to paths used by the compiler to + name the dynamic linker and other files used at + runtime. Defaults to empty (no prefix).], +[ + case ${with_runtime_root_prefix} in + yes|no) AC_MSG_ERROR([bad value ${withval} given for runtime root prefix]) ;; + /*) ;; + *) AC_MSG_ERROR([${withval} should be an absolute directory]) ;; + esac + RUNTIME_ROOT_PREFIX_DEFINE="-DRUNTIME_ROOT_PREFIX=\\\"${withval}\\\"" +], [RUNTIME_ROOT_PREFIX_DEFINE=""]) +AC_SUBST(RUNTIME_ROOT_PREFIX_DEFINE) + if test "x$prefix" = xNONE; then test_prefix=/usr/local else @@ -1946,6 +1961,10 @@ case $use_collect2 in ;; esac +AC_DEFINE_UNQUOTED(FRPLUGINSONAME,"${host_function_reordering_plugin_soname}", +[Define to the name of the function reordering plugin DSO that must be + passed to the linker's -plugin=LIB option.]) + AC_DEFINE_UNQUOTED(LTOPLUGINSONAME,"${host_lto_plugin_soname}", [Define to the name of the LTO plugin DSO that must be passed to the linker's -plugin=LIB option.]) @@ -4587,23 +4606,24 @@ if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then *) AC_MSG_ERROR(['$enable_eh_frame_hdr_for_static' is an invalid value for --enable-eh-frame-hdr-for-static. Valid choices are 'yes' and 'no'.]) ;; - esac], -# Only support for glibc 2.3.0 or higher with AT_PHDR/AT_PHNUM from -# Linux kernel. - [[if test x$host = x$build -a x$host = x$target && - ldd --version 2>&1 >/dev/null && - glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then - glibcmajor=`expr "$glibcver" : "\([0-9]*\)"` - glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"` - glibcnum=`expr $glibcmajor \* 1000 + $glibcminor` - if test "$glibcnum" -ge 2003 ; then - auvx=`LD_SHOW_AUXV=1 ldd 2>/dev/null` - if echo "$auvx" | grep AT_PHDR > /dev/null && - echo "$auvx" | grep AT_PHNUM > /dev/null; then - enable_eh_frame_hdr_for_static=yes - fi - fi - fi]]) + esac]) +## Only support for glibc 2.3.0 or higher with AT_PHDR/AT_PHNUM from +## Linux kernel. +# [[if test x$host = x$build -a x$host = x$target && +# ldd --version 2>&1 >/dev/null && +# glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then +# glibcmajor=`expr "$glibcver" : "\([0-9]*\)"` +# glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"` +# glibcnum=`expr $glibcmajor \* 1000 + $glibcminor` +# if test "$glibcnum" -ge 2003 ; then +# auvx=`LD_SHOW_AUXV=1 ldd 2>/dev/null` +# if echo "$auvx" | grep AT_PHDR > /dev/null && +# echo "$auvx" | grep AT_PHNUM > /dev/null; then +# enable_eh_frame_hdr_for_static=yes +# fi +# fi +# fi]]) + if test x$enable_eh_frame_hdr_for_static = xyes; then AC_DEFINE(USE_EH_FRAME_HDR_FOR_STATIC, 1, [Define if your system supports PT_GNU_EH_FRAME for static executable.]) @@ -4848,6 +4868,21 @@ if test x"$gcc_cv_ld_as_needed" = xyes; then [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 @@ -5408,6 +5443,18 @@ AC_ARG_ENABLE(version-specific-runtime-libs, [specify that runtime libraries should be installed in a compiler-specific directory])]) +# Set default prefix canonicalization. + +AC_ARG_ENABLE(canonical-prefixes, +[ --enable-canonical-prefixes + enable or disable prefix canonicalization], +[], +enable_canonical_prefixes=yes) +if test x"$enable_canonical_prefixes" = xyes; then + AC_DEFINE(ENABLE_CANONICAL_PREFIXES, + 1, [Define to enable prefix canonicalization.]) +fi + # Substitute configuration variables AC_SUBST(subdirs) AC_SUBST(srcdir) @@ -5627,6 +5674,20 @@ if test "${ENABLE_LIBQUADMATH_SUPPORT}" != "no" ; then fi +warn_frame_larger_than_extra_text= +AC_ARG_WITH(warn-frame-larger-than-extra-text, +[ --with-warn-frame-larger-than-extra-text=TEXT + specifies extra text for frame size warnings], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for frame size warning text) ;; +no) ;; +*) warn_frame_larger_than_extra_text="$withval" ;; +esac]) +AC_DEFINE_UNQUOTED(WARN_FRAME_LARGER_THAN_EXTRA_TEXT, + "$warn_frame_larger_than_extra_text", + [Define to be extra text for frame size warnings.]) + + # Specify what hash style to use by default. AC_ARG_WITH([linker-hash-style], [AC_HELP_STRING([--with-linker-hash-style={sysv,gnu,both}], |