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authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:35:40 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:35:40 +0100
commitb1de003dac299705a7f01c997d2b866bafe39926 (patch)
tree1cc16a3877e945116387a380f7f3023f81fa36e4 /gnulib-m4/printf-frexp.m4
parent752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (diff)
parent3590c846d4c2febbc05b4ad6b14a06edc549e453 (diff)
Merge tag 'upstream/0.9.6+really0.9.6'
Upstream version 0.9.6+really0.9.6
Diffstat (limited to 'gnulib-m4/printf-frexp.m4')
-rw-r--r--gnulib-m4/printf-frexp.m425
1 files changed, 9 insertions, 16 deletions
diff --git a/gnulib-m4/printf-frexp.m4 b/gnulib-m4/printf-frexp.m4
index c42391a..b923c82 100644
--- a/gnulib-m4/printf-frexp.m4
+++ b/gnulib-m4/printf-frexp.m4
@@ -1,5 +1,5 @@
-# printf-frexp.m4 serial 3
-dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
+# printf-frexp.m4 serial 5
+dnl Copyright (C) 2007, 2009-2015 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -8,16 +8,7 @@ dnl Check how to define printf_frexp() without linking with libm.
AC_DEFUN([gl_FUNC_PRINTF_FREXP],
[
- AC_CACHE_CHECK([whether frexp can be used without linking with libm],
- [gl_cv_func_frexp_no_libm],
- [
- AC_TRY_LINK([#include <math.h>
- double x;
- int y;],
- [return frexp (x, &y) < 1;],
- [gl_cv_func_frexp_no_libm=yes],
- [gl_cv_func_frexp_no_libm=no])
- ])
+ AC_REQUIRE([gl_CHECK_FREXP_NO_LIBM])
if test $gl_cv_func_frexp_no_libm = yes; then
gl_FUNC_FREXP_WORKS
case "$gl_cv_func_frexp_works" in
@@ -31,10 +22,12 @@ AC_DEFUN([gl_FUNC_PRINTF_FREXP],
AC_CACHE_CHECK([whether ldexp can be used without linking with libm],
[gl_cv_func_ldexp_no_libm],
[
- AC_TRY_LINK([#include <math.h>
- double x;
- int y;],
- [return ldexp (x, y) < 1;],
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <math.h>
+ double x;
+ int y;]],
+ [[return ldexp (x, y) < 1;]])],
[gl_cv_func_ldexp_no_libm=yes],
[gl_cv_func_ldexp_no_libm=no])
])