diff options
Diffstat (limited to 'libgcc/configure')
| -rw-r--r-- | libgcc/configure | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/libgcc/configure b/libgcc/configure index 9845eadb65a..60363387312 100644 --- a/libgcc/configure +++ b/libgcc/configure @@ -651,6 +651,7 @@ with_slibdir enable_maintainer_mode with_build_libsubdir enable_decimal_float +with_system_libunwind enable_tls ' ac_precious_vars='build_alias @@ -1295,6 +1296,7 @@ Optional Packages: --with-ld arrange to use the specified ld (full pathname) --with-slibdir=DIR shared libraries in DIR LIBDIR --with-build-libsubdir=DIR Directory where to find libraries for build system + --with-system-libunwind use installed libunwind Some influential environment variables: CC C compiler command @@ -3743,6 +3745,46 @@ $as_echo "$libgcc_cv_fixed_point" >&6; } fixed_point=$libgcc_cv_fixed_point +# For platforms with the unwind ABI which includes an unwind library, +# libunwind, we can choose to use the system libunwind. +# config.gcc also contains tests of with_system_libunwind. + + +# Check whether --with-system-libunwind was given. +if test "${with_system_libunwind+set}" = set; then : + withval=$with_system_libunwind; +fi + + # If system-libunwind was not specifically set, pick a default setting. + if test x$with_system_libunwind = x; then + case ${target} in + ia64-*-hpux*) with_system_libunwind=yes ;; + *) with_system_libunwind=no ;; + esac + fi + # Based on system-libunwind and target, do we have ipinfo? + if test x$with_system_libunwind = xyes; then + case ${target} in + ia64-*-*) have_unwind_getipinfo=no ;; + *) have_unwind_getipinfo=yes ;; + esac + else + # Darwin before version 9 does not have _Unwind_GetIPInfo. + + case ${target} in + *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;; + *) have_unwind_getipinfo=yes ;; + esac + + fi + + if test x$have_unwind_getipinfo = xyes; then + +$as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 $as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } if test "${acl_cv_prog_gnu_ld+set}" = set; then : @@ -3962,6 +4004,8 @@ tmake_file="${tmake_file_}" ac_config_links="$ac_config_links enable-execute-stack.c:$enable_execute_stack" +ac_config_links="$ac_config_links unwind.h:$unwind_header" + ac_config_links="$ac_config_links md-unwind-support.h:config/$md_unwind_header" @@ -4690,6 +4734,7 @@ for ac_config_target in $ac_config_targets do case $ac_config_target in "enable-execute-stack.c") CONFIG_LINKS="$CONFIG_LINKS enable-execute-stack.c:$enable_execute_stack" ;; + "unwind.h") CONFIG_LINKS="$CONFIG_LINKS unwind.h:$unwind_header" ;; "md-unwind-support.h") CONFIG_LINKS="$CONFIG_LINKS md-unwind-support.h:config/$md_unwind_header" ;; "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;; |