98 lines
2.6 KiB
Makefile
98 lines
2.6 KiB
Makefile
ifneq ($(O),)
|
|
ifeq ($(origin O), command line)
|
|
dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),)
|
|
ABSOLUTE_O := $(shell cd $(O) ; pwd)
|
|
OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
|
|
COMMAND_O := O=$(ABSOLUTE_O)
|
|
ifeq ($(objtree),)
|
|
objtree := $(O)
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
# check that the output directory actually exists
|
|
ifneq ($(OUTPUT),)
|
|
OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
|
|
$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
|
|
endif
|
|
|
|
#
|
|
# Include saner warnings here, which can catch bugs:
|
|
#
|
|
EXTRA_WARNINGS := -Wbad-function-cast
|
|
EXTRA_WARNINGS += -Wdeclaration-after-statement
|
|
EXTRA_WARNINGS += -Wformat-security
|
|
EXTRA_WARNINGS += -Wformat-y2k
|
|
EXTRA_WARNINGS += -Winit-self
|
|
EXTRA_WARNINGS += -Wmissing-declarations
|
|
EXTRA_WARNINGS += -Wmissing-prototypes
|
|
EXTRA_WARNINGS += -Wnested-externs
|
|
EXTRA_WARNINGS += -Wno-system-headers
|
|
EXTRA_WARNINGS += -Wold-style-definition
|
|
EXTRA_WARNINGS += -Wpacked
|
|
EXTRA_WARNINGS += -Wredundant-decls
|
|
EXTRA_WARNINGS += -Wshadow
|
|
EXTRA_WARNINGS += -Wstrict-prototypes
|
|
EXTRA_WARNINGS += -Wswitch-default
|
|
EXTRA_WARNINGS += -Wswitch-enum
|
|
EXTRA_WARNINGS += -Wundef
|
|
EXTRA_WARNINGS += -Wwrite-strings
|
|
EXTRA_WARNINGS += -Wformat
|
|
|
|
ifneq ($(CC), clang)
|
|
EXTRA_WARNINGS += -Wstrict-aliasing=3
|
|
endif
|
|
|
|
ifneq ($(findstring $(MAKEFLAGS), w),w)
|
|
PRINT_DIR = --no-print-directory
|
|
else
|
|
NO_SUBDIR = :
|
|
endif
|
|
|
|
ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4
|
|
ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),)
|
|
silent=1
|
|
endif
|
|
else # make-3.8x
|
|
ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
|
|
silent=1
|
|
endif
|
|
endif
|
|
|
|
#
|
|
# Define a callable command for descending to a new directory
|
|
#
|
|
# Call by doing: $(call descend,directory[,target])
|
|
#
|
|
descend = \
|
|
+mkdir -p $(OUTPUT)$(1) && \
|
|
$(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
|
|
|
|
QUIET_SUBDIR0 = +$(MAKE) $(COMMAND_O) -C # space to separate -C and subdir
|
|
QUIET_SUBDIR1 =
|
|
|
|
ifneq ($(silent),1)
|
|
ifneq ($(V),1)
|
|
QUIET_CC = @echo ' CC '$@;
|
|
QUIET_CC_FPIC = @echo ' CC FPIC '$@;
|
|
QUIET_AR = @echo ' AR '$@;
|
|
QUIET_LINK = @echo ' LINK '$@;
|
|
QUIET_MKDIR = @echo ' MKDIR '$@;
|
|
QUIET_GEN = @echo ' GEN '$@;
|
|
QUIET_SUBDIR0 = +@subdir=
|
|
QUIET_SUBDIR1 = ;$(NO_SUBDIR) \
|
|
echo ' SUBDIR '$$subdir; \
|
|
$(MAKE) $(PRINT_DIR) -C $$subdir
|
|
QUIET_FLEX = @echo ' FLEX '$@;
|
|
QUIET_BISON = @echo ' BISON '$@;
|
|
|
|
descend = \
|
|
+@echo ' DESCEND '$(1); \
|
|
mkdir -p $(OUTPUT)$(1) && \
|
|
$(MAKE) $(COMMAND_O) subdir=$(if $(subdir),$(subdir)/$(1),$(1)) $(PRINT_DIR) -C $(1) $(2)
|
|
|
|
QUIET_CLEAN = @printf ' CLEAN %s\n' $1;
|
|
QUIET_INSTALL = @printf ' INSTALL %s\n' $1;
|
|
endif
|
|
endif
|