3 # Test if ld supports -O1
7 AC_CACHE_CHECK(whether ld supports -O1,
10 int main (void) { return 0; }
12 if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
13 -o conftest.o conftest.c
14 -Wl,-O1 1>&AS_MESSAGE_LOG_FD])
17 LDFLAGS="$LDFLAGS -Wl,-O1"
22 AC_SUBST(pam_cv_ld_as_needed)