Add a get_compiler_info() routine in libwsutil to get compiler information.

Change-Id: I8ccb6187f2ee0255460f448aee170768b6fa3f5d
Reviewed-on: https://code.wireshark.org/review/2519
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 2 insertions, 75 deletions

diff --git a/version_info.c b/version_info.c
index 6403a87fe7..67d4139b76 100644
--- a/version_info.c
+++ b/version_info.c
@@ -36,6 +36,7 @@
 #include <wsutil/unicode-utils.h>
 #include <wsutil/ws_cpuid.h>
 #include <wsutil/os_version_info.h>
+#include <wsutil/compiler_info.h>
 
 #include "version.h"
 
@@ -262,81 +263,7 @@ get_runtime_version_info(GString *str, void (*additional_info)(GString *))
 	get_mem_info(str);
 
 	/* Compiler info */
-
-	/*
-	 * See https://sourceforge.net/apps/mediawiki/predef/index.php?title=Compilers
-	 * information on various defined strings.
-	 *
-	 * GCC's __VERSION__ is a nice text string for humans to
-	 * read.  The page at sourceforge.net largely describes
-	 * numeric #defines that encode the version; if the compiler
-	 * doesn't also offer a nice printable string, we try prettifying
-	 * the number somehow.
-	 */
-#if defined(__GNUC__) && defined(__VERSION__)
-	/*
-	 * Clang and llvm-gcc also define __GNUC__ and __VERSION__;
-	 * distinguish between them.
-	 */
-#if defined(__clang__)
-	g_string_append_printf(str, "\n\nBuilt using clang %s.\n", __VERSION__);
-#elif defined(__llvm__)
-	g_string_append_printf(str, "\n\nBuilt using llvm-gcc %s.\n", __VERSION__);
-#else /* boring old GCC */
-	g_string_append_printf(str, "\n\nBuilt using gcc %s.\n", __VERSION__);
-#endif /* llvm */
-#elif defined(__HP_aCC)
-	g_string_append_printf(str, "\n\nBuilt using HP aCC %d.\n", __HP_aCC);
-#elif defined(__xlC__)
-	g_string_append_printf(str, "\n\nBuilt using IBM XL C %d.%d\n",
-	    (__xlC__ >> 8) & 0xFF, __xlC__ & 0xFF);
-#ifdef __IBMC__
-	if ((__IBMC__ % 10) != 0)
-		g_string_append_printf(str, " patch %d", __IBMC__ % 10);
-#endif /* __IBMC__ */
-	g_string_append_printf(str, "\n");
-#elif defined(__INTEL_COMPILER)
-	g_string_append_printf(str, "\n\nBuilt using Intel C %d.%d",
-	    __INTEL_COMPILER / 100, (__INTEL_COMPILER / 10) % 10);
-	if ((__INTEL_COMPILER % 10) != 0)
-		g_string_append_printf(str, " patch %d", __INTEL_COMPILER % 10);
-#ifdef __INTEL_COMPILER_BUILD_DATE
-	g_string_sprinta(str, ", compiler built %04d-%02d-%02d",
-	    __INTEL_COMPILER_BUILD_DATE / 10000,
-	    (__INTEL_COMPILER_BUILD_DATE / 100) % 100,
-	    __INTEL_COMPILER_BUILD_DATE % 100);
-#endif /* __INTEL_COMPILER_BUILD_DATE */
-	g_string_append_printf(str, "\n");
-#elif defined(_MSC_FULL_VER)
-# if _MSC_FULL_VER > 99999999
-	g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d",
-			       (_MSC_FULL_VER / 10000000) - 6,
-			       (_MSC_FULL_VER / 100000) % 100);
-#  if (_MSC_FULL_VER % 100000) != 0
-	g_string_append_printf(str, " build %d",
-			       _MSC_FULL_VER % 100000);
-#  endif
-# else
-	g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d",
-			       (_MSC_FULL_VER / 1000000) - 6,
-			       (_MSC_FULL_VER / 10000) % 100);
-#  if (_MSC_FULL_VER % 10000) != 0
-	g_string_append_printf(str, " build %d",
-			       _MSC_FULL_VER % 10000);
-#  endif
-# endif
-	g_string_append_printf(str, "\n");
-#elif defined(_MSC_VER)
-	/* _MSC_FULL_VER not defined, but _MSC_VER defined */
-	g_string_append_printf(str, "\n\nBuilt using Microsoft Visual C++ %d.%d\n",
-	    (_MSC_VER / 100) - 6, _MSC_VER % 100);
-#elif defined(__SUNPRO_C)
-	g_string_append_printf(str, "\n\nBuilt using Sun C %d.%d",
-	    (__SUNPRO_C >> 8) & 0xF, (__SUNPRO_C >> 4) & 0xF);
-	if ((__SUNPRO_C & 0xF) != 0)
-		g_string_append_printf(str, " patch %d", __SUNPRO_C & 0xF);
-	g_string_append_printf(str, "\n");
-#endif
+	get_compiler_info(str);
 
 	end_string(str);
 }