From: Tor Didriksen
Date: November 3 2011 4:11pm
Subject: bzr push into mysql-trunk branch (tor.didriksen:3553 to 3554) Bug#12711108
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X-Bug: 12711108
Message-Id: <201111031611.pA3GBLs5020941@acsmt357.oracle.com>
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 3554 Tor Didriksen	2011-11-03
      Bug#12711108 61708: INCORRECT HANDLING OF C-COMPILER THAT DOES NOT SUPPORT INLINE KEYWORD
      
      All currently supported C compilers have 'inline'.
      If the cmake test for inline fails, then there's something else going wrong,
      and doing
      #define inline
      is not the right solution: 
      changing the meaning of reserved words is undefined behaviour.

    modified:
      config.h.cmake
      configure.cmake
 3553 Jimmy Yang	2011-11-03 [merge]
      Merge from mysql-5.5 to mysql-trunk

=== modified file 'config.h.cmake'
--- a/config.h.cmake	2011-09-21 11:01:41 +0000
+++ b/config.h.cmake	2011-11-03 16:10:53 +0000
@@ -395,8 +395,9 @@
 #cmakedefine WORDS_BIGENDIAN 1 
 #endif
 
-/* Define to `__inline__' or `__inline' if that's what the C compiler calls
-   it, or to nothing if 'inline' is not supported under any name.  */
+/*
+  Define to `__inline__' or `__inline' if that's what the C compiler calls it.
+*/
 #cmakedefine C_HAS_inline 1
 #if !(C_HAS_inline)
 #ifndef __cplusplus

=== modified file 'configure.cmake'
--- a/configure.cmake	2011-09-21 11:01:41 +0000
+++ b/configure.cmake	2011-11-03 16:10:53 +0000
@@ -769,7 +769,9 @@ IF(NOT HAVE_FCNTL_NONBLOCK)
 ENDIF()
 
 #
-# Test for how the C compiler does inline, if at all
+# Test for how the C compiler does inline.
+# If both of these tests fail, then there is probably something wrong
+# in the environment (flags and/or compiling and/or linking).
 #
 CHECK_C_SOURCE_COMPILES("
 static inline int foo(){return 0;}
@@ -783,6 +785,12 @@ IF(NOT C_HAS_inline)
   SET(C_INLINE __inline)
 ENDIF()
 
+IF(NOT C_HAS_inline AND NOT C_HAS___inline)
+  MESSAGE(FATAL_ERROR "It seems like ${CMAKE_C_COMPILER} does not support "
+    "inline or __inline. Please verify compiler and flags. "
+    "See CMakeFiles/CMakeError.log for why the test failed to compile/link.")
+ENDIF()
+
 IF(NOT CMAKE_CROSSCOMPILING AND NOT MSVC)
   STRING(TOLOWER ${CMAKE_SYSTEM_PROCESSOR}  processor)
   IF(processor MATCHES "86" OR processor MATCHES "amd64" OR processor MATCHES "x64")

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