| ifeq ("$(origin O)", "command line") |
| OUTPUT := $(O)/ |
| endif |
| |
| ifneq ($(OUTPUT),) |
| # check that the output directory actually exists |
| 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 := -Wformat |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3 |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes |
| EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement |
| |
| ifneq ($(findstring $(MAKEFLAGS), w),w) |
| PRINT_DIR = --no-print-directory |
| else |
| NO_SUBDIR = : |
| endif |
| |
| QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir |
| QUIET_SUBDIR1 = |
| |
| ifneq ($(findstring $(MAKEFLAGS),s),s) |
| ifndef V |
| QUIET_CC = @echo ' ' CC $@; |
| 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 $@; |
| endif |
| endif |