changed gcc optimization level from "-O3" to "-O2" for releases

[rocksndiamonds.git] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 8f18fa7679f134fe705f121107479f52f2d745f6..af907f8c342bd09e56be62056e8cd21e3cf9412f 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -109,18 +109,18 @@ DEBUG = -DDEBUG -g
 # PROFILING = $(PROFILING_FLAGS)
 
 # OPTIONS = $(DEBUG) -Wall                     # only for debugging purposes
-# OPTIONS = $(DEBUG) -O3 -Wall                 # only for debugging purposes
+# OPTIONS = $(DEBUG) -O2 -Wall                 # only for debugging purposes
 # OPTIONS = $(DEBUG) -Wall                     # only for debugging purposes
 OPTIONS = $(DEBUG) -Wall -Wstrict-prototypes -Wmissing-prototypes
 # OPTIONS = $(DEBUG) -Wall -ansi -pedantic     # only for debugging purposes
-# OPTIONS = -O3 -Wall -ansi -pedantic
-# OPTIONS = -O3 -Wall
-# OPTIONS = -O3
+# OPTIONS = -O2 -Wall -ansi -pedantic
+# OPTIONS = -O2 -Wall
+# OPTIONS = -O2
 
 ifdef BUILD_DIST                       # distribution build
 SYS_LDFLAGS := $(shell echo $(SYS_LDFLAGS) |   \
                       sed -e "s%-rpath,[^ ]*%-rpath,'\$$ORIGIN/lib'%")
-OPTIONS = -O3 -Wall
+OPTIONS = -O2 -Wall
 endif
 
 CFLAGS = $(OPTIONS) $(SYS_CFLAGS)  $(EXTRA_CFLAGS) $(CONFIG)
@@ -192,6 +192,12 @@ SOURCE_DATE_EPOCH ?= $(shell test -d ../.git && test `git ls-files -m | wc -l` -
 # get source date string from either GNU / Linux or BSD / Mac OS X style "date"
 SOURCE_DATE_STRING := $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(TIMESTAMP_FORMAT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(TIMESTAMP_FORMAT)" 2>/dev/null || date -u "+$(TIMESTAMP_FORMAT)")
 
+COMMIT_HASH_FILE = confhash.h
+COMMIT_HASH_NONE = "[changed files]"
+
+# get last Git commit hash, if no files were changed
+SOURCE_HASH_STRING ?= $(shell test -d ../.git && test `git ls-files -m | wc -l` -eq 0 && git show -s --format=%h || echo "$(COMMIT_HASH_NONE)")
+
 LIBGAME_DIR = libgame
 LIBGAME = $(LIBGAME_DIR)/libgame.a
 
@@ -224,7 +230,7 @@ GRAPHICS_DIR = ../graphics
 
 all: $(AUTOCONF) libgame_dir game_em_dir game_sp_dir game_mm_dir $(PROGNAME) graphics_dir
 
-$(PROGNAME): $(RNDLIBS) $(TIMESTAMP_FILE) $(OBJS) $(ICON)
+$(PROGNAME): $(RNDLIBS) $(TIMESTAMP_FILE) $(COMMIT_HASH_FILE) $(OBJS) $(ICON)
        $(CC) $(PROFILING) $(OBJS) $(ICON) $(RNDLIBS) $(LDFLAGS) -o $(PROGNAME)
 ifdef BUILD_DIST
        strip $(PROGNAME)
@@ -275,9 +281,16 @@ conf-time:
        @echo '#define SOURCE_DATE_STRING "$(SOURCE_DATE_STRING)"' \
        > $(TIMESTAMP_FILE)
 
+conf-hash:
+       @echo '#define SOURCE_HASH_STRING "$(SOURCE_HASH_STRING)"' \
+       > $(COMMIT_HASH_FILE)
+
 $(TIMESTAMP_FILE): $(SRCS) $(RNDLIBS)
        @$(MAKE) conf-time
 
+$(COMMIT_HASH_FILE): $(SRCS) $(RNDLIBS)
+       @$(MAKE) conf-hash
+
 $(ICON):
 #      $(CONVERT) $(ICON32X32) $(CONVERT_ICON_ARGS) $(ICONBASE).ico
        $(CONVERT) $(ICON_PATH)/*.png $(CONVERT_ICON_ARGS) $(ICONBASE).ico