# 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)
# 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
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 $(PROGNAME)
@echo '#define SOURCE_DATE_STRING "$(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