From 7efaf2255318aad0861569eea975516a2e7e7526 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Sat, 11 Dec 2021 12:12:56 +0000
Subject: [PATCH] RF: Tweak depend.mk rule a little bit to support saving
object files to a build directory. Project Makefiles can set a BUILDDIR
variable to their build directory - this will be used in the generated target
names
---
config/rules.mk | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/config/rules.mk b/config/rules.mk
index 815fefd..df832a3 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -23,8 +23,14 @@ depend:
depend.mk:
@echo Building dependency file depend.mk
@for srcfile in `find . -name "*.c" -or -name "*.cc" -or -name "*.cxx" -or -name "*.cpp" -or -name "*.inc" -or -name "*.hpp"` verylongdummyname ; do \
- if [ -f $$srcfile ] ; then \
- ${CC} -MM ${INCFLAGS} $$srcfile >> depend.mk ; \
+ if [ -f "$${srcfile}" ] ; then \
+ basename="$${srcfile%.*}" ; \
+ basename="$${basename#./}" ; \
+ objfile="$${basename}.o" ; \
+ depfile="$${basename}.mk" ; \
+ ${CC} -MM -MT "${BUILDDIR}$${objfile}" -MF "$${depfile}" ${CPPFLAGS} ${INCFLAGS} "$${srcfile}" > /dev/null; \
+ cat "$${depfile}" >> depend.mk ; \
+ rm -f "$${depfile}" ; \
else \
touch depend.mk; \
fi \
--
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