1 all : rev.c

     2 

     3 # What revision are we compiling, if we have an idea?

     4 REV_NUMBER := $(shell if test -d .svn; then svnversion . | tr -dc 0-9; fi)

     5 

     6 ifdef RELEASE

     7 REV:=$(RELEASE)

     8 else

     9 REV := $(shell if test -d .svn; then svnversion . | awk '{ print "r"$$0 }'; fi)

    10 tmp_test:=$(shell echo "$(REV)" | grep "M" )

    11 ifdef tmp_test

    12 REV_NUMBER:=1

    13 endif

    14 endif

    15 

    16 ifndef REV_NUMBER

    17 REV_NUMBER:=0

    18 endif

    19 

    20 rev.c: FORCE

    21 	@# setting the revision number in a place, there the binary can read it

    22 	@echo 'const char _openttd_revision[] = "$(REV)";' >>rev.c.new

    23 	@echo 'const int _revision_number = $(REV_NUMBER);' >>rev.c.new

    24 	@# some additions for MorphOS versions tag

    25 	@echo '#ifdef __MORPHOS__'  >>rev.c.new

    26 	@echo 'const char morphos_versions_tag[] = "\\0$$VER: OpenTTD $(REV) ('${BUILDDATE}') © OpenTTD Team [MorphOS, PowerPC]";'  >>rev.c.new

    27 	@echo '#endif' >>rev.c.new

    28 	@# Only update the real rev.c if it actually changed, to prevent

    29 	@# useless rebuilds.

    30 	@cmp -s rev.c rev.c.new 2>/dev/null || mv rev.c.new rev.c

    31 	@rm -f rev.c.new

    32 

    33 FORCE:

    34