Added some version magic.

icculus · Sep 26, 2009 · e35aa01 · e35aa01
1 parent 7ba2a87
commit e35aa01
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Showing 3 changed files with 72 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,6 +1,18 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
 PROJECT(FatELF)
 
+EXECUTE_PROCESS(
+    COMMAND hg tip --template hg-{rev}:{node|short}
+    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+    RESULT_VARIABLE HGVERSION_RC
+    OUTPUT_VARIABLE FATELF_VERSION
+    ERROR_QUIET
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+ADD_DEFINITIONS(-DAPPID=fatelf)
+ADD_DEFINITIONS(-DAPPREV="${FATELF_VERSION}")
+
 INCLUDE_DIRECTORIES(include)
 ADD_DEFINITIONS(-Wall -Werror)
 

diff --git a/utils/fatelf-utils.c b/utils/fatelf-utils.c
@@ -14,6 +14,60 @@
 const char *unlink_on_xfail = NULL;
 static uint8_t zerobuf[4096];
 
+
+#ifndef APPID
+#define APPID fatelf
+#endif
+
+#ifndef APPREV
+#define APPREV "???"
+#endif
+
+#if (defined __GNUC__)
+#   define VERSTR2(x) #x
+#   define VERSTR(x) VERSTR2(x)
+#   define COMPILERVER " " VERSTR(__GNUC__) "." VERSTR(__GNUC_MINOR__) "." VERSTR(__GNUC_PATCHLEVEL__)
+#elif (defined __SUNPRO_C)
+#   define VERSTR2(x) #x
+#   define VERSTR(x) VERSTR2(x)
+#   define COMPILERVER " " VERSTR(__SUNPRO_C)
+#elif (defined __VERSION__)
+#   define COMPILERVER " " __VERSION__
+#else
+#   define COMPILERVER ""
+#endif
+
+#ifndef __DATE__
+#define __DATE__ "(Unknown build date)"
+#endif
+
+#ifndef __TIME__
+#define __TIME__ "(Unknown build time)"
+#endif
+
+#ifndef COMPILER
+  #if (defined __GNUC__)
+    #define COMPILER "GCC"
+  #elif (defined _MSC_VER)
+    #define COMPILER "Visual Studio"
+  #elif (defined __SUNPRO_C)
+    #define COMPILER "Sun Studio"
+  #else
+    #error Please define your platform.
+  #endif
+#endif
+
+// macro mess so we can turn APPID and APPREV into a string literal...
+#define MAKEBUILDVERSTRINGLITERAL2(id, rev) \
+    #id ", revision " rev ", built " __DATE__ " " __TIME__ \
+    ", by " COMPILER COMPILERVER
+
+#define MAKEBUILDVERSTRINGLITERAL(id, rev) MAKEBUILDVERSTRINGLITERAL2(id, rev)
+
+const char *fatelf_build_version = MAKEBUILDVERSTRINGLITERAL(APPID, APPREV);
+
+
+
 // Report an error to stderr and terminate immediately with exit(1).
 void xfail(const char *fmt, ...)
 {
@@ -811,6 +865,11 @@ const char *fatelf_get_target_string(const FATELF_record *rec, const int wants)
 void xfatelf_init(int argc, const char **argv)
 {
     memset(zerobuf, '\0', sizeof (zerobuf));  // just in case.
+    if ((argc >= 2) && (strcmp(argv[1], "--version") == 0))
+    {
+        printf("%s\n", fatelf_build_version);
+        exit(0);
+    } // if
 } // xfatelf_init
 
 // end of fatelf-utils.c ...

diff --git a/utils/fatelf-utils.h b/utils/fatelf-utils.h
@@ -25,6 +25,7 @@
 #endif
 
 extern const char *unlink_on_xfail;
+extern const char *fatelf_build_version;
 
 #define FATELF_WANT_MACHINE   (1 << 0)
 #define FATELF_WANT_OSABI     (1 << 1)