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authorJörg Frings-Fürst <debian@jff-webhosting.net>2017-03-27 21:42:03 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2017-03-27 21:42:03 +0200
commitdb6f1f397f45ccd3c11d16352ed46a9c1eae3442 (patch)
treee0b9334e2637f17696c796ac13b2c39294bf9233 /gnulib-m4/limits-h.m4
parent0250cb64565a7d5238bbc751225d4b0236ef8316 (diff)
parent6b73edd95d603e27d55d4905134ac1327d426534 (diff)
Merge tag 'upstream/0.9.7'
Upstream version 0.9.7
Diffstat (limited to 'gnulib-m4/limits-h.m4')
-rw-r--r--gnulib-m4/limits-h.m431
1 files changed, 31 insertions, 0 deletions
diff --git a/gnulib-m4/limits-h.m4 b/gnulib-m4/limits-h.m4
new file mode 100644
index 0000000..31fdf0a
--- /dev/null
+++ b/gnulib-m4/limits-h.m4
@@ -0,0 +1,31 @@
+dnl Check whether limits.h has needed features.
+
+dnl Copyright 2016 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.
+
+dnl From Paul Eggert.
+
+AC_DEFUN_ONCE([gl_LIMITS_H],
+[
+ gl_CHECK_NEXT_HEADERS([limits.h])
+
+ AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
+ [gl_cv_header_limits_width],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+ #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
+ #endif
+ #include <limits.h>
+ int ullw = ULLONG_WIDTH;]])],
+ [gl_cv_header_limits_width=yes],
+ [gl_cv_header_limits_width=no])])
+ if test "$gl_cv_header_limits_width" = yes; then
+ LIMITS_H=
+ else
+ LIMITS_H=limits.h
+ fi
+ AC_SUBST([LIMITS_H])
+ AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
+])