Simon Josefsson <simon <at> josefsson.org> writes:
> > ./$(_build-aux)/git-version-gen
Oops - this isn't VPATH friendly. I'm installing the following.
> > combine the two conditions into one test?
> >
> > ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
>
> Clever.
That's what I get for being m4 maintainer - this trick works for any language
that works by textual comparison of concatenated strings (both m4 and make fall
in this category).
From: Eric Blake <[EMAIL PROTECTED]>
Date: Thu, 20 Mar 2008 09:24:13 -0600
Subject: [PATCH] VPATH fix.
* build-aux/GNUmakefile (_have_git-version-gen): Look in correct dir.
Signed-off-by: Eric Blake <[EMAIL PROTECTED]>
---
ChangeLog | 5 +++++
build-aux/GNUmakefile | 7 +++----
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 490b40e..4d31c2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-03-20 Eric Blake <[EMAIL PROTECTED]>
+
+ VPATH fix.
+ * build-aux/GNUmakefile (_have_git-version-gen): Look in correct dir.
+
2008-03-20 Simon Josefsson <[EMAIL PROTECTED]>
* build-aux/GNUmakefile: Make git-version-gen optional. Add
diff --git a/build-aux/GNUmakefile b/build-aux/GNUmakefile
index a9d6196..d30f13b 100644
--- a/build-aux/GNUmakefile
+++ b/build-aux/GNUmakefile
@@ -40,18 +40,17 @@ export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
include Makefile
-# Allow cfg.mk to override this.
-_build-aux ?= build-aux
-
# Some projects override e.g., _autoreconf here.
-include $(srcdir)/cfg.mk
include $(srcdir)/maint.mk
+# Allow cfg.mk to override these.
+_build-aux ?= build-aux
_autoreconf ?= autoreconf
# Ensure that $(VERSION) is up to date for dist-related targets, but not
# for others: rerunning autoreconf and recompiling everything isn't cheap.
-_have-git-version-gen := $(shell test -f ./$(_build-aux)/git-version-gen &&
echo yes)
+_have-git-version-gen := $(shell test -f $(srcdir)/$(_build-aux)/git-version-
gen && echo yes)
ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
_is-dist-target = $(filter-out %clean, \
$(filter dist% alpha beta major,$(MAKECMDGOALS)))
--
1.5.4