The kernel and backports already uses spatch from coccinelle for development and backporting purposes. Thus we can cleanup many current hacks using semantic patches. These are also a lot less frail than traditional unified diffs.
Signed-off-by: Sven Eckelmann sven@narfation.org --- v3: - no changes v2: - new patch --- Makefile | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile index 7ef2569..99e67da 100644 --- a/Makefile +++ b/Makefile @@ -40,11 +40,19 @@ ifeq ($(shell cd $(KERNELPATH) && pwd),) $(warning $(KERNELPATH) is missing, please set KERNELPATH) endif
+ifeq ($(origin SPATCH), undefined) + SPATCH = spatch + ifeq ($(shell which $(SPATCH) 2>/dev/null),) + $(error $(SPATCH) (coccinelle) not found) + endif +endif + export KERNELPATH RM ?= rm -f MKDIR := mkdir -p PATCH_FLAGS = --batch --fuzz=0 --forward --strip=1 --unified --version-control=never -g0 --remove-empty-files --no-backup-if-mismatch --reject-file=- PATCH := patch $(PATCH_FLAGS) -i +SPATCH_FLAGS := --in-place --relax-include-path --use-coccigrep CP := cp -fpR
SOURCE = $(wildcard net/batman-adv/*.[ch]) net/batman-adv/Makefile @@ -104,12 +112,17 @@ $(SOURCE_STAMP): $(SOURCE) compat-patches/* compat-patches/replacements.sh @$(RM) $(SOURCE_BUILD) @$(CP) $(SOURCE) $(BUILD_DIR)/net/batman-adv/ @set -e; \ - patches="$$(ls -1 compat-patches/|grep '.patch$$'|sort)"; \ + patches="$$(ls -1 compat-patches/|grep -e '.patch$$' -e '.cocci$$'|sort)"; \ for i in $${patches}; do \ - echo ' COMPAT_PATCH '$${i};\ - cd $(BUILD_DIR); \ - $(PATCH) ../compat-patches/$${i}; \ - cd - > /dev/null; \ + echo ' COMPAT_PATCH '$${i}; \ + if echo $${i}|grep '.patch$$'; then \ + cd $(BUILD_DIR); \ + $(PATCH) ../compat-patches/$${i}; \ + cd - > /dev/null; \ + fi; \ + if echo $${i}|grep '.cocci$$'; then echo $$(pwd); \ + $(SPATCH) $(SPATCH_FLAGS) --dir $(BUILD_DIR) --sp-file compat-patches/$${i} > /dev/null; \ + fi; \ done compat-patches/replacements.sh touch $(SOURCE_STAMP)