diff options
Diffstat (limited to 'utils/makefile.include')
| -rw-r--r-- | utils/makefile.include | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/utils/makefile.include b/utils/makefile.include new file mode 100644 index 000000000..716889c02 --- /dev/null +++ b/utils/makefile.include @@ -0,0 +1,128 @@ +# -*- coding: utf-8; mode: makefile-gmake -*- + +make-help: + @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' + @echo ' make V=2 [targets] 2 => give reason for rebuild of target' + +quiet_cmd_common_clean = CLEAN $@ + cmd_common_clean = \ + rm -rf tests/build ;\ + find . -name '*.orig' -exec rm -f {} + ;\ + find . -name '*.rej' -exec rm -f {} + ;\ + find . -name '*~' -exec rm -f {} + ;\ + find . -name '*.bak' -exec rm -f {} + ;\ + +FMT = cat +ifeq ($(shell which fmt >/dev/null 2>&1; echo $$?), 0) +FMT = fmt +endif + +# MS-Windows +# +# For a minimal *make-environment*, I'am using the gnu-tools from: +# +# - GNU MCU Eclipse Windows Build Tools, which brings 'make', 'rm' etc. +# https://github.com/gnu-mcu-eclipse/windows-build-tools/releases +# +# - git for Windows, which brings 'find', 'grep' etc. +# https://git-scm.com/download/win + + +# normpath +# +# System-dependent normalization of the path name +# +# usage: $(call normpath,/path/to/file) + +normpath = $1 +ifeq ($(OS),Windows_NT) + normpath = $(subst /,\,$1) +endif + + +# stolen from linux/Makefile +# + +ifeq ("$(origin V)", "command line") + KBUILD_VERBOSE = $(V) +endif +ifndef KBUILD_VERBOSE + KBUILD_VERBOSE = 0 +endif + +ifeq ($(KBUILD_VERBOSE),1) + quiet = + Q = +else + quiet=quiet_ + Q = @ +endif + +# stolen from linux/scripts/Kbuild.include +# + +# Convenient variables +comma := , +quote := " +#" this comment is only for emacs highlighting +squote := ' +#' this comment is only for emacs highlighting +empty := +space := $(empty) $(empty) +space_escape := _-_SPACE_-_ + +# Find any prerequisites that is newer than target or that does not exist. +# PHONY targets skipped in both cases. +any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) +# +### +# why - tell why a a target got build +# enabled by make V=2 +# Output (listed in the order they are checked): +# (1) - due to target is PHONY +# (2) - due to target missing +# (3) - due to: file1.h file2.h +# (4) - due to command line change +# (5) - due to missing .cmd file +# (6) - due to target not in $(targets) +# (1) PHONY targets are always build +# (2) No target, so we better build it +# (3) Prerequisite is newer than target +# (4) The command line stored in the file named dir/.target.cmd +# differed from actual command line. This happens when compiler +# options changes +# (5) No dir/.target.cmd file (used to store command line) +# (6) No dir/.target.cmd file and target not listed in $(targets) +# This is a good hint that there is a bug in the kbuild file +ifeq ($(KBUILD_VERBOSE),2) +why = \ + $(if $(filter $@, $(PHONY)),- due to target is PHONY, \ + $(if $(wildcard $@), \ + $(if $(strip $(any-prereq)),- due to: $(any-prereq), \ + $(if $(arg-check), \ + $(if $(cmd_$@),- due to command line change, \ + $(if $(filter $@, $(targets)), \ + - due to missing .cmd file, \ + - due to $(notdir $@) not in $$(targets) \ + ) \ + ) \ + ) \ + ), \ + - due to target missing \ + ) \ + ) + +echo-why = $(call escsq, $(strip $(why))) +endif +# +### +# Escape single quote for use in echo statements +escsq = $(subst $(squote),'\$(squote)',$1) +# +# echo command. +# Short version is used, if $(quiet) equals `quiet_', otherwise full one. +echo-cmd = $(if $($(quiet)cmd_$(1)),echo '$(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';) +# +# printing commands +cmd = @$(echo-cmd) $(cmd_$(1)) + |