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| author | Luboš Luňák <l.lunak@collabora.com> | 2020-01-18 15:44:45 +0100 |
|---|---|---|
| committer | Luboš Luňák <l.lunak@collabora.com> | 2020-01-18 16:55:55 +0100 |
| commit | 4a93a7954e49b42b0e23a9ca8d962b6d4614b005 (patch) | |
| tree | 8615c692d11782e7175d4d51a71232329425301d /configure.ac | |
| parent | 0d2084e198717301da0678eae311f10e6a9c5d78 (diff) | |
use -Wl,-dead_strip on Mac, its linker doesn't know -Wl,--gc-sections
Change-Id: Ic69d0030a46fe4753cc75da58bb2c15cf009b135
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/87023
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 5b9fd601ef9e..5c1dc1e5f919 100644 --- a/configure.ac +++ b/configure.ac @@ -4062,6 +4062,29 @@ printf ("hello world\n"); fi AC_SUBST(HAVE_LD_BSYMBOLIC_FUNCTIONS) +LD_GC_SECTIONS= +if test "$GCC" = "yes"; then + for flag in "--gc-sections" "-dead_strip"; do + AC_MSG_CHECKING([for $flag linker support]) + ldflags_save=$LDFLAGS + LDFLAGS="$LDFLAGS -Wl,$flag" + AC_LINK_IFELSE([AC_LANG_PROGRAM([ +#include <stdio.h> + ],[ +printf ("hello world\n"); + ])],[ + LD_GC_SECTIONS="-Wl,$flag" + AC_MSG_RESULT( found ) + ], [ + AC_MSG_RESULT( not found ) + ]) + LDFLAGS=$ldflags_save + if test -n "$LD_GC_SECTIONS"; then + break + fi + done +fi +AC_SUBST(LD_GC_SECTIONS) HAVE_GSPLIT_DWARF= if test "$enable_split_debug" != no; then |