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[PATCH] Don't define __CORRECT_ISO_CPP_STRING_H_PROTO for non-GCC compilers


The implementation of __CORRECT_ISO_CPP_STRING_H_PROTO requires support
for asm aliases, thus it cannot be defined for strict C++.

Andreas.

	[BZ #17631]
	* string/string.h (__CORRECT_ISO_CPP_STRING_H_PROTO): Don't define
	for non-GCC compilers.
	* string/strings.h (__CORRECT_ISO_CPP_STRINGS_H_PROTO):
	Likewise.
---
 string/string.h  | 8 ++------
 string/strings.h | 8 ++------
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/string/string.h b/string/string.h
index f6520a9..54a4d39 100644
--- a/string/string.h
+++ b/string/string.h
@@ -31,12 +31,8 @@ __BEGIN_DECLS
 #define	__need_NULL
 #include <stddef.h>
 
-/* Provide correct C++ prototypes, and indicate this to the caller.  This
-   requires a compatible C++ standard library.  As a heuristic, we provide
-   these when the compiler indicates full conformance with C++98 or later,
-   and for older GCC versions that are known to provide a compatible
-   libstdc++.  */
-#if defined __cplusplus && (__cplusplus >= 199711L || __GNUC_PREREQ (4, 4))
+/* Tell the caller that we provide correct C++ prototypes.  */
+#if defined __cplusplus && __GNUC_PREREQ (4, 4)
 # define __CORRECT_ISO_CPP_STRING_H_PROTO
 #endif
 
diff --git a/string/strings.h b/string/strings.h
index 2e5f822..028361a 100644
--- a/string/strings.h
+++ b/string/strings.h
@@ -27,12 +27,8 @@
 # define __need_size_t
 # include <stddef.h>
 
-/* Provide correct C++ prototypes, and indicate this to the caller.  This
-   requires a compatible C++ standard library.  As a heuristic, we provide
-   these when the compiler indicates full conformance with C++98 or later,
-   and for older GCC versions that are known to provide a compatible
-   libstdc++.  */
-# if defined __cplusplus && (__cplusplus >= 199711L || __GNUC_PREREQ (4, 4))
+/* Tell the caller that we provide correct C++ prototypes.  */
+# if defined __cplusplus && __GNUC_PREREQ (4, 4)
 #  define __CORRECT_ISO_CPP_STRINGS_H_PROTO
 # endif
 
-- 
2.3.0

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."


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