copy-acl: ignore ENOTSUP on HP-UX

[gnulib.git] / m4 / printf-frexpl.m4

diff --git a/m4/printf-frexpl.m4 b/m4/printf-frexpl.m4
index 8088d99..914bca6 100644 (file)
--- a/m4/printf-frexpl.m4
+++ b/m4/printf-frexpl.m4
@@ -30,16 +30,7 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXPL],
     AC_CHECK_DECL([frexpl], , [HAVE_DECL_FREXPL=0], [#include <math.h>])
   fi
 
-  AC_CACHE_CHECK([whether ldexpl can be used without linking with libm],
-    [gl_cv_func_ldexpl_no_libm],
-    [
-      AC_TRY_LINK([#include <math.h>
-                   long double x;
-                   int y;],
-                  [return ldexpl (x, y) < 1;],
-        [gl_cv_func_ldexpl_no_libm=yes],
-        [gl_cv_func_ldexpl_no_libm=no])
-    ])
+  gl_CHECK_LDEXPL_NO_LIBM
   if test $gl_cv_func_ldexpl_no_libm = yes; then
     gl_FUNC_LDEXPL_WORKS
     case "$gl_cv_func_ldexpl_works" in