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[Cvs-cvs] Changes to ccvs/m4/regex.m4
From: |
Mark D . Baushke |
Subject: |
[Cvs-cvs] Changes to ccvs/m4/regex.m4 |
Date: |
Wed, 07 Dec 2005 05:50:43 -0500 |
Index: ccvs/m4/regex.m4
diff -u ccvs/m4/regex.m4:1.6 ccvs/m4/regex.m4:1.7
--- ccvs/m4/regex.m4:1.6 Tue Oct 4 02:33:12 2005
+++ ccvs/m4/regex.m4 Wed Dec 7 10:50:43 2005
@@ -1,4 +1,4 @@
-#serial 30
+#serial 31
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005 Free
# Software Foundation, Inc.
@@ -15,8 +15,29 @@
AC_DEFUN([gl_REGEX],
[
AC_REQUIRE([AC_SYS_LARGEFILE]) dnl for a sufficently-wide off_t
- AC_DEFINE([_REGEX_LARGE_OFFSETS], 1,
- [Define if you want regoff_t to be at least as wide POSIX requires.])
+
+ AC_CACHE_CHECK([whether off_t can be used in a switch statement],
+ [gl_cv_type_off_t_switch],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [AC_INCLUDES_DEFAULT],
+ [[off_t o = -1;
+ switch (o)
+ {
+ case -2:
+ return 1;
+ case -1:
+ return 2;
+ default:
+ return 0;
+ }
+ ]])],
+ [gl_cv_type_off_t_switch=yes],
+ [gl_cv_type_off_t_switch=no])])
+ if test $gl_cv_type_off_t_switch = yes; then
+ AC_DEFINE([_REGEX_LARGE_OFFSETS], 1,
+ [Define if you want regoff_t to be at least as wide POSIX requires.])
+ fi
AC_LIBSOURCES(
[regcomp.c, regex.c, regex.h,
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