From: Andre Noll <maan@tuebingen.mpg.de>
Date: Sun, 6 Aug 2017 13:56:25 +0000 (+0200)
Subject: Merge branch 'refs/heads/t/lopsub'
X-Git-Tag: v0.6.1~41
X-Git-Url: http://git.tuebingen.mpg.de/?a=commitdiff_plain;h=7649f22106cec2c6eb8bb10f279401e1af5451d0;hp=a6fc2bd6ed685c4e3ab3006b808cfbd383ea97c9;p=paraslash.git

Merge branch 'refs/heads/t/lopsub'

Three simple patches for the build system, all related to lopsub.

Cooking for three weeks.

* refs/heads/t/lopsub:
  build: Echo "M4" when running an m4 command.
  build: Run lopsubgen with absolute path.
  build: Improve lopsub error diagnostics.
---

diff --git a/Makefile.in b/Makefile.in
index b3e3be5c..556a926c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -9,6 +9,7 @@ PACKAGE_TARNAME := @PACKAGE_TARNAME@
 PACKAGE_VERSION := @PACKAGE_VERSION@
 
 M4 := @M4@
+LOPSUBGEN := @LOPSUBGEN@
 
 executables := @executables@
 
diff --git a/configure.ac b/configure.ac
index c2cb47e6..811364b1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,10 +54,6 @@ AC_PATH_PROG([M4], [m4])
 test -z "$M4" && AC_MSG_ERROR(
 	[The m4 macro processor is required to build this package])
 
-AC_PATH_PROG([lopsubgen], [lopsubgen])
-test -z "$lopsubgen" && AC_MSG_ERROR(
-	[lopsubgen is required to build this package])
-
 AC_PROG_CC
 AC_PROG_CPP
 
@@ -71,9 +67,11 @@ AC_CHECK_LIB([osl], [osl_open_table], [], [HAVE_OSL=no])
 LIB_SUBST_FLAGS(osl)
 UNSTASH_FLAGS
 ######################################################################## lopsub
+HAVE_LOPSUB=yes
+AC_PATH_PROG([LOPSUBGEN], [lopsubgen])
+test -z "$LOPSUBGEN" && HAVE_LOPSUB=no
 STASH_FLAGS
 LIB_ARG_WITH([lopsub], [-llopsub])
-HAVE_LOPSUB=yes
 AC_CHECK_HEADER(lopsub.h, [], [HAVE_LOPSUB=no])
 AC_CHECK_LIB([lopsub], [lls_merge], [], [HAVE_LOPSUB=no])
 if test $HAVE_LOPSUB = no; then AC_MSG_ERROR([
diff --git a/m4/lls/makefile b/m4/lls/makefile
index cf3965e6..dd86b51d 100644
--- a/m4/lls/makefile
+++ b/m4/lls/makefile
@@ -3,27 +3,27 @@ lls_m4_include_dir := $(lls_m4_dir)/include
 
 $(lls_suite_dir)/%.m4d: $(lls_m4_dir)/%.suite.m4 | $(lls_suite_dir)
 	@[ -z "$(Q)" ] || echo 'M4D $<'
-
 	$(Q) $(M4) -Pg -I $(lls_m4_include_dir) -s $< \
 	| awk '{if ($$1 ~ /#line/) {gsub(/"/, "", $$3); if ($$3 != "$<") \
 	print "$(lls_suite_dir)/$(*F).suite: " $$3}}' | sort | uniq > $@
 
 $(lls_suite_dir)/%.suite: $(lls_m4_dir)/%.suite.m4 | $(lls_suite_dir)
+	@[ -z "$(Q)" ] || echo 'M4 $<'
 	$(Q) $(M4) -Pg -I $(lls_m4_include_dir) -D GIT_VERSION=$(GIT_VERSION) \
 		-D COPYRIGHT_YEAR=$(COPYRIGHT_YEAR) -D LOGLEVELS=$(LOGLEVELS) \
 		$< > $@
 
 $(lls_suite_dir)/%.lsg.c: $(lls_suite_dir)/%.suite
 	@[ -z "$(Q)" ] || echo 'LSGC $<'
-	$(Q) lopsubgen --gen-c --output-dir $(lls_suite_dir) < $<
+	$(Q) $(LOPSUBGEN) --gen-c --output-dir $(lls_suite_dir) < $<
 
 $(lls_suite_dir)/%.lsg.h: $(lls_suite_dir)/%.suite
 	@[ -z "$(Q)" ] || echo 'LSGH $<'
-	$(Q) lopsubgen --gen-header --output-dir $(lls_suite_dir) < $<
+	$(Q) $(LOPSUBGEN) --gen-header --output-dir $(lls_suite_dir) < $<
 
 $(lls_suite_dir)/%.lsg.man: $(lls_suite_dir)/%.suite
 	@[ -z "$(Q)" ] || echo 'LSGM $<'
-	$(Q) lopsubgen --gen-man --output-dir $(lls_suite_dir) < $<
+	$(Q) $(LOPSUBGEN) --gen-man --output-dir $(lls_suite_dir) < $<
 
 $(object_dir)/%.o: $(lls_suite_dir)/%.c | $(object_dir)
 	@[ -z "$(Q)" ] || echo 'CC $<'