forked from openkylin/vc
28 lines
794 B
Makefile
28 lines
794 B
Makefile
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CXX ?= c++
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build_dir := $(shell which $(CXX))
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tmp := "case $$(readlink -f $(build_dir)) in *icecc) which $${ICECC_CXX:-g++};; *) echo $(build_dir);; esac"
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build_dir := $(shell sh -c $(tmp))
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build_dir := $(realpath $(build_dir))
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build_dir := build-$(subst /,-,$(build_dir:/%=%)$(CXXFLAGS))
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all:
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%:: $(build_dir)/CMakeCache.txt
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$(MAKE) --no-print-directory -C "$(build_dir)" $(MAKECMDGOALS)
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$(build_dir)/CMakeCache.txt:
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@test -n "$(build_dir)"
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@mkdir -p "$(build_dir)"
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@test -e "$(build_dir)/CMakeCache.txt" || cmake -H. -B"$(build_dir)"
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print_build_dir:
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@echo "$(PWD)/$(build_dir)"
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clean_builddir:
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rm -rf "$(build_dir)"
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# the following rule works around %:: grabbing the Makefile rule and thus stops it from running every time
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Makefile:
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@true
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.PHONY: print_build_dir clean_builddir
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