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Clean up more fallout from r252976.

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libatomic/ChangeLog:
2017-10-02  Martin Sebor  <msebor@redhat.com>

	PR c/81854
	* acinclude.m4 (LIBAT_CHECK_IFUNC): Have ifunc resolver return
	a function pointer rather than void* to avoid GCC 8 warnings.
	* configure: Regenerate.
	* libatomic_i.h: Declare ifunc resolvers to return function
	pointers rather than void*.

From-SVN: r253372
This commit is contained in:
Martin Sebor
2017-10-02 23:57:19 +00:00
committed by Martin Sebor
parent 9a741aee62
commit bc437a5699
4 changed files with 21 additions and 5 deletions
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libatomic/acinclude.m4
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@@ -195,7 +195,8 @@ AC_DEFUN([LIBAT_CHECK_IFUNC], [
CFLAGS="$CFLAGS -Werror"
AC_TRY_LINK([
int foo_alt(void) { return 0; }
void *foo_sel(void) { return foo_alt; }
typedef int F (void);
F *foo_sel(void) { return foo_alt; }
int foo(void) __attribute__((ifunc("foo_sel")));],
[return foo();], libat_cv_have_ifunc=yes, libat_cv_have_ifunc=no)])
LIBAT_DEFINE_YESNO([HAVE_IFUNC], [$libat_cv_have_ifunc],