Makefile: Do not fail build if stale dependency files are present

If we happen to remove some old header files, the build should not
fail because the header files are still listed in the dependency
files.

Signed-off-by: Timo Kokkonen <kaapeli@itanic.dy.fi>

diff --git a/Makefile b/Makefile
index 782b9fcf385005dc588f700eb42f75202d3e6396..bf2120db11dc518eb21e682f4f01807e9924d211 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -33,9 +33,17 @@ endif
 ifeq ($(C),2)
        $(CHECKPATCH) -f $<
 endif
+       $(Q)cp .$@.d .$@.P; \
+            sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
+                -e '/^$$/ d' -e 's/$$/ :/' < .$@.d >> .$@.P; \
+            mv .$@.P .$@.d
 
 %-debug.o: %.c
        $(QUIET_CC)$(CC) -MMD -MF .$@.d $(CFLAGS) -DDEBUG -O0 -c $< -o $@
+       $(Q)cp .$@.d .$@.P; \
+            sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
+                -e '/^$$/ d' -e 's/$$/ :/' < .$@.d >> .$@.P; \
+            mv .$@.P .$@.d
 
 TAGS:
        @echo -e "\tTAGS\t"