diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 39 |
1 files changed, 37 insertions, 2 deletions
@@ -7640,7 +7640,7 @@ fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROFILE_TASK" >&5 $as_echo "$PROFILE_TASK" >&6; } -# Make llvm-relatec checks work on systems where llvm tools are not installed with their +# Make llvm-related checks work on systems where llvm tools are not installed with their # normal names in the default $PATH (ie: Ubuntu). They exist under the # non-suffixed name in their versioned llvm directory. @@ -7705,7 +7705,42 @@ fi if test "$Py_LTO" = 'true' ; then case $CC in *clang*) - LDFLAGS_NOLTO="-fno-lto" + LDFLAGS_NOLTO="-fno-lto" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -flto=thin" >&5 +$as_echo_n "checking whether C compiler accepts -flto=thin... " >&6; } +if ${ax_cv_check_cflags___flto_thin+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS -flto=thin" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ax_cv_check_cflags___flto_thin=yes +else + ax_cv_check_cflags___flto_thin=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___flto_thin" >&5 +$as_echo "$ax_cv_check_cflags___flto_thin" >&6; } +if test "x$ax_cv_check_cflags___flto_thin" = xyes; then : + LDFLAGS_NOLTO="-flto=thin" +else + LDFLAGS_NOLTO="-flto" +fi + if test -n "$ac_tool_prefix"; then # Extract the first word of "${ac_tool_prefix}llvm-ar", so it can be a program name with args. |