Oops, don't use 'long double' here.

diff --git a/m4/frexp.m4 b/m4/frexp.m4
index b0f0d73258eb69a863e403bad6453b82cd0a7252..60d897b89c56c4786ee7411d0b3a71833e958a5b 100644 (file)
--- a/m4/frexp.m4
+++ b/m4/frexp.m4
@@ -12,7 +12,7 @@ AC_DEFUN([gl_FUNC_FREXP],
     [gl_cv_func_frexp_no_libm],
     [
       AC_TRY_LINK([#include <math.h>
-                   long double x;],
+                   double x;],
                   [int e; return frexp (x, &e) > 0;],
         [gl_cv_func_frexp_no_libm=yes],
         [gl_cv_func_frexp_no_libm=no])
@@ -24,7 +24,7 @@ AC_DEFUN([gl_FUNC_FREXP],
         save_LIBS="$LIBS"
         LIBS="$LIBS -lm"
         AC_TRY_LINK([#include <math.h>
-                     long double x;],
+                     double x;],
                     [int e; return frexp (x, &e) > 0;],
           [gl_cv_func_frexp_in_libm=yes],
           [gl_cv_func_frexp_in_libm=no])