From: Ramsay Jones <firstname.lastname@example.org> To: GIT Mailing-list <email@example.com> Cc: Junio C Hamano <firstname.lastname@example.org> Subject: [PATCH 4/8] git-gui/Makefile: conditionally include GIT-VERSION-FILE Date: Thu, 5 Nov 2020 21:06:22 +0000 [thread overview] Message-ID: <email@example.com> (raw) The 'clean' target is still noticeably slow on cygwin, despite the improvements made by previous patches. For example, the second invocation of 'make clean' below: $ make clean >/dev/null 2>&1 $ make clean ... make -C git-gui clean make: Entering directory '/home/ramsay/git/git-gui' GITGUI_VERSION = 0.21.0.78.g38c2a rm -rf git-gui lib/tclIndex po/*.msg ... $ has been timed at 8.430s on my laptop (on old core i5-4200M @ 2.50GHz, 8GB RAM, 1TB HDD). Notice that the Makefile, as part of processing the 'clean' target, is updating the 'git-gui/GIT-VERSION-FILE' (not to be confused with the similarly named file at the root directory of the repository). This is to ensure that the $(GITGUI_VERSION) make variable is set, once that file had been included. (The Makefile target uses the 'git-gui/GIT-VERSION-GEN' script to generate that file, which should also not be confused with the similarly named script at the root). However, the 'clean' target does not use the $(GITGUI_VERSION) variable, so this is wasted effort. In order to eliminate such wasted effort, use the value of the internal $(MAKECMDGOALS) variable to only '-include GIT-VERSION-FILE' when the target is not 'clean'. (This drops the time down to 6.454s, on my laptop, giving an improvement of 23.44%). Signed-off-by: Ramsay Jones <firstname.lastname@example.org> --- git-gui/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/git-gui/Makefile b/git-gui/Makefile index f10caedaa7..56c85a85c1 100644 --- a/git-gui/Makefile +++ b/git-gui/Makefile @@ -9,7 +9,9 @@ all:: GIT-VERSION-FILE: FORCE @$(SHELL_PATH) ./GIT-VERSION-GEN +ifneq ($(MAKECMDGOALS),clean) -include GIT-VERSION-FILE +endif uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not') uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not') -- 2.29.0
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