From bf77e2305f392b966805fb7b080570911468709b Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 9 Jun 2013 08:59:30 -0700
Subject: Merge from gnulib.

This incorporates:
2013-06-02 sig2str: port to C++
2013-05-29 c-ctype, regex, verify: port to gcc -std=c90 -pedantic
---
 lib/c-ctype.h | 3 ++-
 lib/sig2str.h | 8 ++++++++
 lib/verify.h  | 4 +++-
 3 files changed, 13 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/c-ctype.h b/lib/c-ctype.h
index 3a66440ae9..ad589b5c20 100644
--- a/lib/c-ctype.h
+++ b/lib/c-ctype.h
@@ -136,7 +136,8 @@ extern int c_tolower (int c) _GL_ATTRIBUTE_CONST;
 extern int c_toupper (int c) _GL_ATTRIBUTE_CONST;
 
 
-#if defined __GNUC__ && defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ && !defined NO_C_CTYPE_MACROS
+#if (defined __GNUC__ && !defined __STRICT_ANSI__ && defined __OPTIMIZE__ \
+     && !defined __OPTIMIZE_SIZE__ && !defined NO_C_CTYPE_MACROS)
 
 /* ASCII optimizations. */
 
diff --git a/lib/sig2str.h b/lib/sig2str.h
index d16be98c07..df6bfd39e3 100644
--- a/lib/sig2str.h
+++ b/lib/sig2str.h
@@ -27,9 +27,17 @@
 /* Size of a buffer needed to hold a signal name like "HUP".  */
 # define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 int sig2str (int, char *);
 int str2sig (char const *, int *);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
 /* An upper bound on signal numbers allowed by the system.  */
diff --git a/lib/verify.h b/lib/verify.h
index cb8e90b542..03492efcd3 100644
--- a/lib/verify.h
+++ b/lib/verify.h
@@ -31,7 +31,9 @@
    Use this only with GCC.  If we were willing to slow 'configure'
    down we could also use it with other compilers, but since this
    affects only the quality of diagnostics, why bother?  */
-# if (4 < __GNUC__ || (__GNUC__ == 4 && 6 <= __GNUC_MINOR__)) && !defined __cplusplus
+# if (4 < __GNUC__ + (6 <= __GNUC_MINOR__) \
+      && (201112L <= __STDC_VERSION__  || !defined __STRICT_ANSI__) \
+      && !defined __cplusplus)
 #  define _GL_HAVE__STATIC_ASSERT 1
 # endif
 /* The condition (99 < __GNUC__) is temporary, until we know about the
-- 
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