diff options
Diffstat (limited to 'libgloss/configure')
| -rwxr-xr-x | libgloss/configure | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libgloss/configure b/libgloss/configure index 1b2f62305..fd765dc01 100755 --- a/libgloss/configure +++ b/libgloss/configure @@ -1031,6 +1031,40 @@ else fi +echo $ac_n "checking for .preinit_array/.init_array/.fini_array support""... $ac_c" 1>&6 +echo "configure:1036: checking for .preinit_array/.init_array/.fini_array support" >&5 +if eval "test \"`echo '$''{'libc_cv_initfinit_array'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.c <<EOF +int _start (void) { return 0; } +int __start (void) { return 0; } +int foo (void) { return 1; } +int (*fp) (void) __attribute__ ((section (".init_array"))) = foo; +EOF +if { ac_try='${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c + -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD'; { (eval echo configure:1047: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } +then + if readelf -S conftest | grep -e INIT_ARRAY > /dev/null; then + libc_cv_initfinit_array=yes + else + libc_cv_initfinit_array=no + fi +else + libc_cv_initfinit_array=no +fi +rm -f conftest* +fi + +echo "$ac_t""$libc_cv_initfinit_array" 1>&6 + +if test $libc_cv_initfinit_array = yes; then + cat >> confdefs.h <<EOF +#define HAVE_INITFINI_ARRAY 1 +EOF + +fi + host_makefile_frag=${srcdir}/config/default.mh host_makefile_frag_path=$host_makefile_frag @@ -1207,6 +1241,7 @@ s%@AS@%$AS%g s%@AR@%$AR%g s%@LD@%$LD%g s%@RANLIB@%$RANLIB%g +s%@libc_cv_initfinit_array@%$libc_cv_initfinit_array%g s%@host_makefile_frag_path@%$host_makefile_frag_path%g /@host_makefile_frag@/r $host_makefile_frag s%@host_makefile_frag@%%g |