-# c-strtod.m4 serial 5
+# c-strtod.m4 serial 14
-# Copyright (C) 2004 Free Software Foundation, Inc.
+# Copyright (C) 2004-2006, 2009-2011 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
[
AC_CACHE_CHECK([whether strtold conforms to C99],
[gl_cv_func_c99_strtold],
- [AC_COMPILE_IFELSE(
+ [AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[/* On HP-UX before 11.23, strtold returns a struct instead of
- long double. Reject implementations like that, by requiring
- compatibility with the C99 prototype. */
- #include <stdlib.h>
- static long double (*p) (char const *, char **) = strtold;
- static long double
- test (char const *nptr, char **endptr)
- {
- long double r;
- r = strtold (nptr, endptr);
- return r;
- }]],
+ long double. Reject implementations like that, by requiring
+ compatibility with the C99 prototype. */
+ #include <stdlib.h>
+ static long double (*p) (char const *, char **) = strtold;
+ static long double
+ test (char const *nptr, char **endptr)
+ {
+ long double r;
+ r = strtold (nptr, endptr);
+ return r;
+ }]],
[[return test ("1.0", NULL) != 1 || p ("1.0", NULL) != 1;]])],
[gl_cv_func_c99_strtold=yes],
[gl_cv_func_c99_strtold=no])])
if test $gl_cv_func_c99_strtold = yes; then
- AC_DEFINE([HAVE_C99_STRTOLD], 1, [Define to 1 if strtold conforms to C99.])
+ AC_DEFINE([HAVE_C99_STRTOLD], [1], [Define to 1 if strtold conforms to C99.])
fi
])
+dnl Prerequisites of lib/c-strtod.c.
AC_DEFUN([gl_C_STRTOD],
[
- dnl Prerequisites of lib/c-strtod.c.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_FUNCS([strtod_l])
+
+ AC_REQUIRE([AC_C_INLINE])
:
])
+dnl Prerequisites of lib/c-strtold.c.
AC_DEFUN([gl_C_STRTOLD],
[
- dnl Prerequisites of lib/c-strtold.c.
- AC_REQUIRE([gl_C_STRTOD])
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_C99_STRTOLD])
+ AC_CHECK_FUNCS([strtold_l])
+
+ AC_REQUIRE([AC_C_INLINE])
:
])