新增根据git记录自动生成GIT_VERSION变量的代码

src/MESA_handle_logger.c

@@ -17,7 +17,29 @@ typedef struct log_handle_t
 
 #define LOGMSG_MAX_LEN      4096
 
-const int HANDLE_LOGGER_VERSION_20190218 = 1;
+//const int HANDLE_LOGGER_VERSION_20190218 = 1;
+
+#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char * GIT_VERSION_##v = NULL
+#define GIT_VERSION_EXPEND(v) GIT_VERSION_CATTER(v)
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* VERSION TAG */
+#ifdef GIT_VERSION
+GIT_VERSION_EXPEND(GIT_VERSION);
+#else
+static __attribute__((__used__)) const char * GIT_VERSION_UNKNOWN = NULL;
+#endif
+#undef GIT_VERSION_CATTER
+#undef GIT_VERSION_EXPEND
+
+#ifdef __cplusplus
+}
+#endif
+
 
 static unsigned char weekday_str[7][4] =
 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};

src/Makefile

@@ -3,6 +3,14 @@ VPATH=../inc
 CFLAGS= -g3 -Wall -fPIC -O -Werror
 CFLAGS+=-I../inc/
 
+GIT_BRANCH=$(shell git symbolic-ref --short -q HEAD)
+GIT_SHA1=$(shell git rev-parse HEAD)
+MAKE_TIME=$(shell date "+%Y_%m_%d_%H")
+VERSION_FLAGS += -DGIT_VERSION=1_0_0_$(GIT_BRANCH)_$(GIT_SHA1)_$(MAKE_TIME)
+
+CFLAGS += ${VERSION_FLAGS}
+CXXFLAGS += ${VERSION_FLAGS}
+
 ifdef ASAN
 CFLAGS_+= -fsanitize=address -fno-omit-frame-pointer 
 LIB+=-lasan