diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 34 |
1 files changed, 20 insertions, 14 deletions
@@ -15,10 +15,9 @@ NAME = "People's Front" PHONY := _all _all: -# o Do not use make's built-in rules and variables -# (this increases performance and avoids hard-to-debug behaviour); -# o Look for make include files relative to root of kernel src -MAKEFLAGS += -rR --include-dir=$(CURDIR) +# Do not use make's built-in rules and variables +# (this increases performance and avoids hard-to-debug behaviour) +MAKEFLAGS += -rR # Avoid funny character set dependencies unexport LC_ALL @@ -136,6 +135,13 @@ KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ $(if $(KBUILD_OUTPUT),, \ $(error failed to create output directory "$(saved-output)")) +# Look for make include files relative to root of kernel src +# +# This does not become effective immediately because MAKEFLAGS is re-parsed +# once after the Makefile is read. It is OK since we are going to invoke +# 'sub-make' below. +MAKEFLAGS += --include-dir=$(CURDIR) + PHONY += $(MAKECMDGOALS) sub-make $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make @@ -476,8 +482,7 @@ PHONY += outputmakefile outputmakefile: ifneq ($(KBUILD_SRC),) $(Q)ln -fsn $(srctree) source - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \ - $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL) + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) endif ifeq ($(cc-name),clang) @@ -713,7 +718,7 @@ else # These warnings generated too much noise in a regular build. # Use make W=1 to enable them (see scripts/Makefile.extrawarn) -KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) +KBUILD_CFLAGS += -Wno-unused-but-set-variable endif KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable) @@ -794,10 +799,13 @@ endif NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) # warn about C99 declaration after statement -KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) +KBUILD_CFLAGS += -Wdeclaration-after-statement + +# Variable Length Arrays (VLAs) should not be used anywhere in the kernel +KBUILD_CFLAGS += $(call cc-option,-Wvla) # disable pointer signed / unsigned warnings in gcc 4.0 -KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) +KBUILD_CFLAGS += -Wno-pointer-sign # disable stringop warnings in gcc 8+ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) @@ -1647,9 +1655,6 @@ namespacecheck: export_report: $(PERL) $(srctree)/scripts/export_report.pl -endif #ifeq ($(config-targets),1) -endif #ifeq ($(mixed-targets),1) - PHONY += checkstack kernelrelease kernelversion image_name # UML needs a little special treatment here. It wants to use the host @@ -1756,14 +1761,15 @@ cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) # read all saved command lines - -cmd_files := $(wildcard .*.cmd $(foreach f,$(sort $(targets)),$(dir $(f)).$(notdir $(f)).cmd)) +cmd_files := $(wildcard .*.cmd) ifneq ($(cmd_files),) $(cmd_files): ; # Do not try to update included dependency files include $(cmd_files) endif +endif # ifeq ($(config-targets),1) +endif # ifeq ($(mixed-targets),1) endif # skip-makefile PHONY += FORCE |