diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/configure.in b/configure.in index c48c4c1ca6..484614949f 100644 --- a/configure.in +++ b/configure.in @@ -1039,6 +1039,35 @@ EOF fi fi + 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; } +#ifdef __i386__ +asm (".section .init_array\n\t.long foo"); +#else +# error "define appropriately for the architecture" +#endif +EOF + if AC_TRY_COMMAND([${CC-cc} -o conftest conftest.c + -static -nostartfiles -nostdlib 1>&AC_FD_CC]) + then + if readelf -S conftest | fgrep 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(HAVE_INITFINI_ARRAY) + fi + AC_CACHE_CHECK(for -z nodelete option, libc_cv_z_nodelete, [dnl cat > conftest.c <<EOF |