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-rw-r--r--configure.in29
1 files changed, 29 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index c48c4c1..4846149 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