198d89bfdSBorislav Petkovifeq ("$(origin O)", "command line") 2c883122aSSteven Rostedt dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) does not exist),) 3c883122aSSteven Rostedt ABSOLUTE_O := $(shell cd $(O) ; pwd) 4c883122aSSteven Rostedt OUTPUT := $(ABSOLUTE_O)/ 5c883122aSSteven Rostedt COMMAND_O := O=$(ABSOLUTE_O) 698d89bfdSBorislav Petkovendif 798d89bfdSBorislav Petkov 898d89bfdSBorislav Petkovifneq ($(OUTPUT),) 998d89bfdSBorislav Petkov# check that the output directory actually exists 1098d89bfdSBorislav PetkovOUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) 1198d89bfdSBorislav Petkov$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) 1298d89bfdSBorislav Petkovendif 1398d89bfdSBorislav Petkov 1498d89bfdSBorislav Petkov# 1598d89bfdSBorislav Petkov# Include saner warnings here, which can catch bugs: 1698d89bfdSBorislav Petkov# 17d8caf3ebSBorislav PetkovEXTRA_WARNINGS := -Wbad-function-cast 18d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wdeclaration-after-statement 19d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wformat-security 20d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wformat-y2k 21d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Winit-self 22d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wmissing-declarations 23d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wmissing-prototypes 24d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wnested-externs 25d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wno-system-headers 26d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wold-style-definition 27d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wpacked 28d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wredundant-decls 29d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wshadow 30d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wstrict-aliasing=3 31d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wstrict-prototypes 32d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wswitch-default 33d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wswitch-enum 34d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wundef 35d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wwrite-strings 36d8caf3ebSBorislav PetkovEXTRA_WARNINGS += -Wformat 3798d89bfdSBorislav Petkov 3898d89bfdSBorislav Petkovifneq ($(findstring $(MAKEFLAGS), w),w) 3998d89bfdSBorislav PetkovPRINT_DIR = --no-print-directory 4098d89bfdSBorislav Petkovelse 4198d89bfdSBorislav PetkovNO_SUBDIR = : 4298d89bfdSBorislav Petkovendif 4398d89bfdSBorislav Petkov 44*ca9dfc6cSDavid Howells# 45*ca9dfc6cSDavid Howells# Define a callable command for descending to a new directory 46*ca9dfc6cSDavid Howells# 47*ca9dfc6cSDavid Howells# Call by doing: $(call descend,directory[,target]) 48*ca9dfc6cSDavid Howells# 49*ca9dfc6cSDavid Howellsdescend = \ 50*ca9dfc6cSDavid Howells $(QUIET_SUBDIR0)$(1) $(QUIET_SUBDIR1) $(2) 51*ca9dfc6cSDavid Howells 5298d89bfdSBorislav PetkovQUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir 5398d89bfdSBorislav PetkovQUIET_SUBDIR1 = 5498d89bfdSBorislav Petkov 5598d89bfdSBorislav Petkovifneq ($(findstring $(MAKEFLAGS),s),s) 5698d89bfdSBorislav Petkovifndef V 5798d89bfdSBorislav Petkov QUIET_CC = @echo ' ' CC $@; 5898d89bfdSBorislav Petkov QUIET_AR = @echo ' ' AR $@; 5998d89bfdSBorislav Petkov QUIET_LINK = @echo ' ' LINK $@; 6098d89bfdSBorislav Petkov QUIET_MKDIR = @echo ' ' MKDIR $@; 6198d89bfdSBorislav Petkov QUIET_GEN = @echo ' ' GEN $@; 6298d89bfdSBorislav Petkov QUIET_SUBDIR0 = +@subdir= 6398d89bfdSBorislav Petkov QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \ 6498d89bfdSBorislav Petkov $(MAKE) $(PRINT_DIR) -C $$subdir 6598d89bfdSBorislav Petkov QUIET_FLEX = @echo ' ' FLEX $@; 6698d89bfdSBorislav Petkov QUIET_BISON = @echo ' ' BISON $@; 6798d89bfdSBorislav Petkovendif 6898d89bfdSBorislav Petkovendif 69