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58 lines
1.9 KiB
Makefile
58 lines
1.9 KiB
Makefile
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ifeq ("$(origin O)", "command line")
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OUTPUT := $(O)/
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endif
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ifneq ($(OUTPUT),)
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# check that the output directory actually exists
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OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
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$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
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endif
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#
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# Include saner warnings here, which can catch bugs:
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#
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EXTRA_WARNINGS := -Wformat
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
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EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
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ifneq ($(findstring $(MAKEFLAGS), w),w)
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PRINT_DIR = --no-print-directory
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else
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NO_SUBDIR = :
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endif
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QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir
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QUIET_SUBDIR1 =
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ifneq ($(findstring $(MAKEFLAGS),s),s)
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ifndef V
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QUIET_CC = @echo ' ' CC $@;
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QUIET_AR = @echo ' ' AR $@;
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QUIET_LINK = @echo ' ' LINK $@;
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QUIET_MKDIR = @echo ' ' MKDIR $@;
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QUIET_GEN = @echo ' ' GEN $@;
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QUIET_SUBDIR0 = +@subdir=
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QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
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$(MAKE) $(PRINT_DIR) -C $$subdir
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QUIET_FLEX = @echo ' ' FLEX $@;
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QUIET_BISON = @echo ' ' BISON $@;
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endif
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endif
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