author: Masahiro Yamada <masahiroy@kernel.org> 2020-08-22 23:56:16 +0900
committer: Masahiro Yamada <masahiroy@kernel.org> 2020-08-27 00:44:33 +0900
commit: 3d32285fa99598f1885ac7022785b9c343407e62
parent: ecca4fea1ede446e9ce3afa0b68b07fd1550f4f5
Commit Summary:
Diffstat:
1 file changed, 22 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index d96f2feddbfb..07fd96a25a20 100644
--- a/Makefile
+++ b/Makefile
@@ -634,7 +634,7 @@ endif
# in addition to whatever we do anyway.
# Just "make" or "make all" shall build modules as well
-ifneq ($(filter all modules nsdeps,$(MAKECMDGOALS)),)
+ifneq ($(filter all modules nsdeps %compile_commands.json,$(MAKECMDGOALS)),)
KBUILD_MODULES := 1
endif
@@ -1470,7 +1470,8 @@ endif # CONFIG_MODULES
# Directories & files removed with 'make clean'
CLEAN_FILES += include/ksym vmlinux.symvers \
- modules.builtin modules.builtin.modinfo modules.nsdeps
+ modules.builtin modules.builtin.modinfo modules.nsdeps \
+ compile_commands.json
# Directories & files removed with 'make mrproper'
MRPROPER_FILES += include/config include/generated \
@@ -1704,9 +1705,12 @@ KBUILD_MODULES := 1
build-dirs := $(KBUILD_EXTMOD)
PHONY += modules
-modules: descend
+modules: $(MODORDER)
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
+$(MODORDER): descend
+ @:
+
PHONY += modules_install
modules_install: _emodinst_ _emodinst_post
@@ -1720,8 +1724,12 @@ PHONY += _emodinst_post
_emodinst_post: _emodinst_
$(call cmd,depmod)
+compile_commands.json: $(extmod-prefix)compile_commands.json
+PHONY += compile_commands.json
+
clean-dirs := $(KBUILD_EXTMOD)
-clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps
+clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
+ $(KBUILD_EXTMOD)/compile_commands.json
PHONY += help
help:
@@ -1834,6 +1842,19 @@ nsdeps: export KBUILD_NSDEPS=1
nsdeps: modules
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/nsdeps
+# Clang Tooling
+# ---------------------------------------------------------------------------
+
+quiet_cmd_gen_compile_commands = GEN $@
+ cmd_gen_compile_commands = $(PYTHON3) $< -a $(AR) -o $@ $(filter-out $<, $(real-prereqs))
+
+$(extmod-prefix)compile_commands.json: scripts/gen_compile_commands.py \
+ $(if $(KBUILD_EXTMOD),,$(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS)) \
+ $(if $(CONFIG_MODULES), $(MODORDER)) FORCE
+ $(call if_changed,gen_compile_commands)
+
+targets += $(extmod-prefix)compile_commands.json
+
# Scripts to check various things for consistency
# ---------------------------------------------------------------------------