[libcxx] r252274 - Cleanup foo.h headers and __config to work in C

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Fri Nov  6 00:30:12 2015
New Revision: 252274

URL: http://llvm.org/viewvc/llvm-project?rev=252274&view=rev
Log:
Cleanup foo.h headers and __config to work in C

Modified:
    libcxx/trunk/include/__config
    libcxx/trunk/include/errno.h
    libcxx/trunk/include/float.h
    libcxx/trunk/include/inttypes.h
    libcxx/trunk/include/setjmp.h
    libcxx/trunk/include/stdlib.h

Modified: libcxx/trunk/include/__config
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Fri Nov  6 00:30:12 2015
@@ -11,10 +11,16 @@
 #ifndef _LIBCPP_CONFIG
 #define _LIBCPP_CONFIG
 
-#if !defined(_MSC_VER) || defined(__clang__)
+#if defined(_MSC_VER) && !defined(__clang__)
+#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
+#endif
+
+#ifndef _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
 #pragma GCC system_header
 #endif
 
+#ifdef __cplusplus
+
 #ifdef __GNUC__
 #define _GNUC_VER (__GNUC__ * 100 + __GNUC_MINOR__)
 #else
@@ -526,7 +532,6 @@ using namespace _LIBCPP_NAMESPACE __attr
 #elif defined(_LIBCPP_MSVC)
 
 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-#define _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #define _LIBCPP_HAS_NO_CXX14_CONSTEXPR
 #define _LIBCPP_HAS_NO_VARIABLE_TEMPLATES
@@ -811,4 +816,6 @@ extern "C" void __sanitizer_annotate_con
 #define _LIBCPP_HAS_NO_ATOMIC_HEADER
 #endif
 
+#endif // __cplusplus
+
 #endif // _LIBCPP_CONFIG

Modified: libcxx/trunk/include/errno.h
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/errno.h?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/errno.h (original)
+++ libcxx/trunk/include/errno.h Fri Nov  6 00:30:12 2015
@@ -31,6 +31,8 @@ Macros:
 
 #include_next <errno.h>
 
+#ifdef __cplusplus
+
 #if !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
 
 #ifdef ELAST
@@ -391,4 +393,6 @@ static const int __elast2 = 105;
 #define EMLINK 9979
 #endif
 
+#endif // __cplusplus
+
 #endif  // _LIBCPP_ERRNO_H

Modified: libcxx/trunk/include/float.h
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/float.h?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/float.h (original)
+++ libcxx/trunk/include/float.h Fri Nov  6 00:30:12 2015
@@ -68,6 +68,8 @@ Macros:
 
 #include_next <float.h>
 
+#ifdef __cplusplus
+
 #ifndef FLT_EVAL_METHOD
 #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__
 #endif
@@ -76,4 +78,6 @@ Macros:
 #define DECIMAL_DIG __DECIMAL_DIG__
 #endif
 
+#endif // __cplusplus
+
 #endif  // _LIBCPP_FLOAT_H

Modified: libcxx/trunk/include/inttypes.h
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/inttypes.h?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/inttypes.h (original)
+++ libcxx/trunk/include/inttypes.h Fri Nov  6 00:30:12 2015
@@ -246,6 +246,6 @@ uintmax_t wcstoumax(const wchar_t* restr
 #undef imaxabs
 #undef imaxdiv
 
-#endif
+#endif // __cplusplus
 
 #endif  // _LIBCPP_INTTYPES_H

Modified: libcxx/trunk/include/setjmp.h
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/setjmp.h?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/setjmp.h (original)
+++ libcxx/trunk/include/setjmp.h Fri Nov  6 00:30:12 2015
@@ -34,8 +34,12 @@ void longjmp(jmp_buf env, int val);
 
 #include_next <setjmp.h>
 
+#ifdef __cplusplus
+
 #ifndef setjmp
 #define setjmp(env) setjmp(env)
 #endif
 
+#endif // __cplusplus
+
 #endif  // _LIBCPP_SETJMP_H

Modified: libcxx/trunk/include/stdlib.h
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/stdlib.h?rev=252274&r1=252273&r2=252274&view=diff
==============================================================================
--- libcxx/trunk/include/stdlib.h (original)
+++ libcxx/trunk/include/stdlib.h Fri Nov  6 00:30:12 2015
@@ -94,6 +94,7 @@ void *aligned_alloc(size_t alignment, si
 #include_next <stdlib.h>
 
 #ifdef __cplusplus
+
 extern "C++" {
 
 #ifdef _LIBCPP_MSVCRT
@@ -123,6 +124,7 @@ inline _LIBCPP_INLINE_VISIBILITY lldiv_t
 #endif // _LIBCPP_MSVCRT / __sun__ / _AIX
 
 }  // extern "C++"
+
 #endif  // __cplusplus
 
 #endif  // _LIBCPP_STDLIB_H


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