diff options
Diffstat (limited to 'libgloss/configure.in')
| -rw-r--r-- | libgloss/configure.in | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libgloss/configure.in b/libgloss/configure.in index 3eca088ec..fa5f459d7 100644 --- a/libgloss/configure.in +++ b/libgloss/configure.in @@ -181,6 +181,31 @@ LD=${LD-ld} AC_SUBST(LD) AC_PROG_RANLIB +AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, + libc_cv_initfinit_array, [dnl +cat > conftest.c <<EOF +int _start (void) { return 0; } +int __start (void) { return 0; } +int foo (void) { return 1; } +int (*fp) (void) __attribute__ ((section (".init_array"))) = foo; +EOF +if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c + -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD]) +then + if readelf -S conftest | grep -e INIT_ARRAY > /dev/null; then + libc_cv_initfinit_array=yes + else + libc_cv_initfinit_array=no + fi +else + libc_cv_initfinit_array=no +fi +rm -f conftest*]) +AC_SUBST(libc_cv_initfinit_array) +if test $libc_cv_initfinit_array = yes; then + AC_DEFINE_UNQUOTED(HAVE_INITFINI_ARRAY) +fi + host_makefile_frag=${srcdir}/config/default.mh dnl We have to assign the same value to other variables because autoconf |