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| author | Ulrich Drepper <drepper@redhat.com> | 2002-03-16 02:47:08 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-03-16 02:47:08 +0000 |
| commit | 5241882ce2d21c23035a00d252b2c4668529fb31 (patch) | |
| tree | 747403e40fbf06a597bfaec121f70731a907843e /configure.in | |
| parent | c06b947ef189e2fa8bc9586c4010aa2dae6facb9 (diff) | |
| download | glibc-5241882ce2d21c23035a00d252b2c4668529fb31.zip glibc-5241882ce2d21c23035a00d252b2c4668529fb31.tar.gz glibc-5241882ce2d21c23035a00d252b2c4668529fb31.tar.bz2 | |
Update.
2002-03-15 H.J. Lu <hjl@gnu.org>
Ulrich Drepper <drepper@redhat.com>
* configure.in: Check for availability of
init_array/fini_array/preinit_array handling in binutils.
* config.h.in (HAVE_INITFINI_ARRAY): New macro.
* config.make.in (have-initfini-array): New variable.
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 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 |