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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 3055de67a7e..af1b0d1fa40 100644 --- a/configure.ac +++ b/configure.ac @@ -316,6 +316,22 @@ if test "x$enable_debug" = xyes; then fi dnl +dnl Check if linker supports garbage collection +dnl +save_LDFLAGS=$LDFLAGS +LDFLAGS="$LDFLAGS -Wl,--gc-sections" +AC_MSG_CHECKING([whether ld supports --gc-sections]) +AC_LINK_IFELSE( + [AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])], + [AC_MSG_RESULT([yes]) + GC_SECTIONS="-Wl,--gc-sections";], + [AC_MSG_RESULT([no]) + GC_SECTIONS="";]) +LDFLAGS=$save_LDFLAGS + +AC_SUBST([GC_SECTIONS]) + +dnl dnl compatibility symlinks dnl case "$host_os" in |