Index: bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/link-warning.h |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/link-warning.h (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/build-aux/link-warning.h (revision 0) |
@@ -0,0 +1,28 @@ |
+/* GL_LINK_WARNING("literal string") arranges to emit the literal string as |
+ a linker warning on most glibc systems. |
+ We use a linker warning rather than a preprocessor warning, because |
+ #warning cannot be used inside macros. */ |
+#ifndef GL_LINK_WARNING |
+ /* This works on platforms with GNU ld and ELF object format. |
+ Testing __GLIBC__ is sufficient for asserting that GNU ld is in use. |
+ Testing __ELF__ guarantees the ELF object format. |
+ Testing __GNUC__ is necessary for the compound expression syntax. */ |
+# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__ |
+# define GL_LINK_WARNING(message) \ |
+ GL_LINK_WARNING1 (__FILE__, __LINE__, message) |
+# define GL_LINK_WARNING1(file, line, message) \ |
+ GL_LINK_WARNING2 (file, line, message) /* macroexpand file and line */ |
+# define GL_LINK_WARNING2(file, line, message) \ |
+ GL_LINK_WARNING3 (file ":" #line ": warning: " message) |
+# define GL_LINK_WARNING3(message) \ |
+ ({ static const char warning[sizeof (message)] \ |
+ __attribute__ ((__unused__, \ |
+ __section__ (".gnu.warning"), \ |
+ __aligned__ (1))) \ |
+ = message "\n"; \ |
+ (void)0; \ |
+ }) |
+# else |
+# define GL_LINK_WARNING(message) ((void) 0) |
+# endif |
+#endif |
Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\build-aux\link-warning.h |
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Added: svn:eol-style |
+ LF |