From 29abba378520a270c3a9385724c8ef5df66497b1 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Mon, 4 Jun 2018 13:22:14 +0100
Subject: build: get separate builddir working again

---
 make.tmpl.in | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

(limited to 'make.tmpl.in')

diff --git a/make.tmpl.in b/make.tmpl.in
index 16a857121..b9672dc4a 100644
--- a/make.tmpl.in
+++ b/make.tmpl.in
@@ -444,14 +444,12 @@ endif
 
 .LIBPATTERNS = lib%.so lib%.a
 
-DEPFLAGS=-MT $@ -MMD -MP -MF $*.d
-
 # still needed in 2018 for 32bit builds
 DEFS+=-D_FILE_OFFSET_BITS=64
 
 %.o: %.c
 	@echo "    [CC] $<"
-	$(Q) $(CC) $(DEPFLAGS) -c $(INCLUDES) $(VALGRIND_CFLAGS) $(PROGS_CFLAGS) $(DEFS) $(DEFS_$@) $(WFLAGS) $(WCFLAGS) $(CFLAGS) $(CFLAGS_$@) $< -o $@
+	$(Q) $(CC) -c $(INCLUDES) $(VALGRIND_CFLAGS) $(PROGS_CFLAGS) $(DEFS) $(DEFS_$@) $(WFLAGS) $(WCFLAGS) $(CFLAGS) $(CFLAGS_$@) $< -o $@
 
 %.o: %.cpp
 	@echo "    [CXX] $<"
@@ -511,9 +509,18 @@ $(LIB_STATIC): $(OBJECTS)
 	$(Q) $(RM) $@
 	$(Q) $(AR) rsv $@ $(OBJECTS) > /dev/null
 
-%.d:
-.PRECIOUS: %.d
-	
+%.d: %.c
+	@echo "    [DEP] $<"
+	$(Q) $(MKDIR_P) $(dir $@); \
+	set -e; \
+	FILE=`echo $@ | sed 's/\\//\\\\\\//g;s/\\.d//g'`; \
+	DEPS=`echo $(DEPS) | sed -e 's/\\//\\\\\\//g'`; \
+	$(CC) -MM $(INCLUDES) $(VALGRIND_CFLAGS) $(PROGS_CFLAGS) $(DEFS) -o $@ $<; \
+	sed -i "s/\(.*\)\.o[ :]*/$$FILE.o $$FILE.d $$FILE.pot: $$DEPS /g" $@; \
+	DEPLIST=`sed 's/ \\\\//;s/.*://;' < $@`; \
+	echo $$DEPLIST | fmt -1 | sed 's/ //g;s/\(.*\)/\1:/' >> $@; \
+	[ -s $@ ] || $(RM) $@
+
 %.mo: %.po
 	@echo "    [MSGFMT] $<"
 	$(Q) $(MSGFMT) -o $@ $<
-- 
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