Log Git version in verbose logs.

Makes it much easier to figure out which builds users are running when
pasting logs.

Makefile

@@ -58,7 +58,7 @@ RETROLAUNCH_OBJ = tools/retrolaunch/main.o \
 HEADERS = $(wildcard */*.h) $(wildcard *.h)
 
 ifeq ($(findstring Haiku,$(OS)),)
-	LIBS = -lm
+   LIBS = -lm
 endif
 
 DEFINES = -DHAVE_CONFIG_H -DHAVE_SCREENSHOTS -DRARCH_INTERNAL
@@ -92,7 +92,7 @@ endif
 
 ifeq ($(HAVE_RGUI), 1)
    OBJ += frontend/menu/menu_common.o frontend/menu/menu_settings.o frontend/menu/menu_context.o file_list.o frontend/menu/disp/rgui.o frontend/menu/history.o
-	DEFINES += -DHAVE_MENU
+   DEFINES += -DHAVE_MENU
 endif
 
 ifeq ($(HAVE_THREADS), 1)
@@ -158,8 +158,8 @@ ifeq ($(HAVE_AL), 1)
 endif
 
 ifeq ($(HAVE_V4L2),1)
-	OBJ += camera/video4linux2.o
-	DEFINES += -DHAVE_CAMERA -DHAVE_V4L2
+   OBJ += camera/video4linux2.o
+   DEFINES += -DHAVE_CAMERA -DHAVE_V4L2
 endif
 
 ifeq ($(HAVE_JACK),1)
@@ -196,7 +196,7 @@ ifeq ($(HAVE_SDL), 1)
 endif
 
 ifeq ($(HAVE_OMAP), 1)
-	OBJ += gfx/omap_gfx.o
+   OBJ += gfx/omap_gfx.o
 endif
 
 ifeq ($(HAVE_OPENGL), 1)
@@ -343,8 +343,8 @@ endif
 
 ifeq ($(HAVE_NEON),1)
    OBJ += audio/sinc_neon.o
-	# When compiled without this, tries to attempt to compile sinc lerp,
-	# which will error out
+   # When compiled without this, tries to attempt to compile sinc lerp,
+   # which will error out
    DEFINES += -DSINC_LOWER_QUALITY -DHAVE_NEON
 endif
 
@@ -389,6 +389,12 @@ ifeq ($(NOUNUSED_VARIABLE), yes)
    CFLAGS += -Wno-unused-variable
 endif
 
+GIT_VERSION := $(shell git rev-parse --short HEAD)
+ifneq ($(GIT_VERSION),)
+   DEFINES += -DHAVE_GIT_VERSION -DGIT_VERSION=\"$(GIT_VERSION)\"
+   OBJ += git_version.o
+endif
+
 
 all: $(TARGET) config.mk
 
@@ -416,19 +422,25 @@ tools/retrolaunch/retrolaunch: $(RETROLAUNCH_OBJ)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
 
-tools/linuxraw_joypad.o: input/linuxraw_joypad.c
+.FORCE:
+
+git_version.o: git_version.c .FORCE
+	@$(if $(Q), $(shell echo echo CC $<),)
+	$(Q)$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
+
+tools/linuxraw_joypad.o: input/linuxraw_joypad.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -DIS_JOYCONFIG -c -o $@ $<
 
-tools/udev_joypad.o: input/udev_joypad.c
+tools/udev_joypad.o: input/udev_joypad.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -DIS_JOYCONFIG -c -o $@ $<
 
-tools/input_common_launch.o: input/input_common.c
+tools/input_common_launch.o: input/input_common.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -DIS_RETROLAUNCH -c -o $@ $<
 
-tools/input_common_joyconfig.o: input/input_common.c
+tools/input_common_joyconfig.o: input/input_common.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -DIS_JOYCONFIG -c -o $@ $<
 

Makefile.win

@@ -51,6 +51,8 @@ JOBJ := conf/config_file.o \
 	input/dinput.o \
 	input/winxinput_joypad.o
 
+HEADERS = $(wildcard */*.h) $(wildcard *.h)
+
 CC = gcc
 CXX = g++
 WINDRES = windres
@@ -264,25 +266,37 @@ else
    endif
 endif
 
+GIT_VERSION := $(shell git rev-parse --short HEAD)
+ifneq ($(GIT_VERSION),)
+   DEFINES += -DHAVE_GIT_VERSION -DGIT_VERSION=\"$(GIT_VERSION)\"
+   OBJ += git_version.o
+endif
+
 all: $(TARGET) $(JTARGET)
 
 $(TARGET): $(OBJ)
 	@$(if $(Q), $(shell echo echo LD $@),)
 	$(Q)$(CXX) -o $@ $(OBJ) $(LIBS) $(LDFLAGS) $(LDCXXFLAGS)
 
-%.o: %.c
+%.o: %.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
 
-tools/input_common_joyconfig.o: input/input_common.c
+.FORCE:
+
+git_version.o: git_version.c .FORCE
+	@$(if $(Q), $(shell echo echo CC $<),)
+	$(Q)$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<
+
+tools/input_common_joyconfig.o: input/input_common.c $(HEADERS)
 	@$(if $(Q), $(shell echo echo CC $<),)
 	$(Q)$(CC) $(CFLAGS) $(DEFINES) -DIS_JOYCONFIG -c -o $@ $<
 
-%.o: %.cpp
+%.o: %.cpp $(HEADERS)
 	@$(if $(Q), $(shell echo echo CXX $<),)
 	$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) -c -o $@ $<
 
-%.o: %.rc
+%.o: %.rc $(HEADERS)
 	@$(if $(Q), $(shell echo echo WINDRES $<),)
 	$(Q)$(WINDRES) -o $@ $<
 

git_version.c

@@ -0,0 +1,17 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+const char rarch_git_version[] = GIT_VERSION;
+

git_version.h

@@ -0,0 +1,23 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RARCH_VERSION_H__
+#define RARCH_VERSION_H__
+
+// Put this in a separate file so we don't have to rebuilt retroarch.c every single build.
+extern const char rarch_git_version[];
+
+#endif
+

retroarch.c

@@ -38,6 +38,7 @@
 #include "compat/posix_string.h"
 #include "input/keyboard_line.h"
 #include "input/input_common.h"
+#include "git_version.h"
 
 #ifdef _WIN32
 #ifdef _XBOX
@@ -751,8 +752,11 @@ static void print_compiler(FILE *file)
 static void print_help(void)
 {
    puts("===================================================================");
-   /* To get around error 'too many decimal points in number - expected ')' before numeric constant */
+#ifdef HAVE_GIT_VERSION
+   printf("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " -- %s --\n", rarch_git_version);
+#else
    puts("RetroArch: Frontend for libretro -- v" PACKAGE_VERSION " --");
+#endif
    print_compiler(stdout);
    puts("===================================================================");
    puts("Usage: retroarch [rom file] [options...]");
@@ -2985,6 +2989,10 @@ int rarch_main_init(int argc, char *argv[])
    {
       RARCH_LOG_OUTPUT("=== Build =======================================");
       print_compiler(stderr);
+      RARCH_LOG_OUTPUT("Version: %s\n", PACKAGE_VERSION);
+#ifdef HAVE_GIT_VERSION
+      RARCH_LOG_OUTPUT("Git: %s\n", rarch_git_version);
+#endif
       RARCH_LOG_OUTPUT("=================================================\n");
    }