1# The Art of C++
2# Copyright (c) 2014-2020 Dr. Colin Hirsch and Daniel Frey
3# Please see LICENSE for license or visit https://github.com/taocpp/PEGTL
4
5.SUFFIXES:
6.SECONDARY:
7
8ifeq ($(OS),Windows_NT)
9UNAME_S := $(OS)
10ifeq ($(shell gcc -dumpmachine),mingw32)
11MINGW_CXXFLAGS = -U__STRICT_ANSI__
12endif
13else
14UNAME_S := $(shell uname -s)
15endif
16
17# For Darwin (Mac OS X / macOS) we assume that the default compiler
18# clang++ is used; when $(CXX) is some version of g++, then
19# $(CXXSTD) has to be set to -std=c++17 (or newer) so
20# that -stdlib=libc++ is not automatically added.
21
22ifeq ($(CXXSTD),)
23CXXSTD := -std=c++17
24ifeq ($(UNAME_S),Darwin)
25CXXSTD += -stdlib=libc++
26endif
27endif
28
29# Ensure strict standard compliance and no warnings, can be
30# changed if desired.
31
32CPPFLAGS ?= -pedantic
33CXXFLAGS ?= -Wall -Wextra -Wshadow -Werror -O3 $(MINGW_CXXFLAGS)
34
35CLANG_TIDY ?= clang-tidy
36
37HEADERS := $(shell find include -name '*.hpp')
38SOURCES := $(shell find src -name '*.cpp')
39DEPENDS := $(SOURCES:%.cpp=build/%.d)
40BINARIES := $(SOURCES:%.cpp=build/%)
41
42CLANG_TIDY_HEADERS := $(filter-out include/tao/pegtl/internal/file_mapper_win32.hpp include/tao/pegtl/contrib/internal/endian_win.hpp,$(HEADERS))
43
44UNIT_TESTS := $(filter build/src/test/%,$(BINARIES))
45
46.PHONY: all
47all: compile check
48
49.PHONY: compile
50compile: $(BINARIES)
51
52.PHONY: check
53check: $(UNIT_TESTS)
54	@set -e; for T in $(UNIT_TESTS); do echo $$T; $$T > /dev/null; done
55
56build/%.valgrind: build/%
57	valgrind --error-exitcode=1 --leak-check=full $<
58	@touch $@
59
60.PHONY: valgrind
61valgrind: $(UNIT_TESTS:%=%.valgrind)
62	@echo "All $(words $(UNIT_TESTS)) valgrind tests passed."
63
64build/%.clang-tidy: % .clang-tidy
65	$(CLANG_TIDY) -quiet $< -- $(CXXSTD) -Iinclude $(CPPFLAGS) $(CXXFLAGS) $(LDFLAGS) 2>/dev/null
66	@mkdir -p $(@D)
67	@touch $@
68
69.PHONY: clang-tidy
70clang-tidy: $(CLANG_TIDY_HEADERS:%=build/%.clang-tidy) $(SOURCES:%=build/%.clang-tidy)
71	@echo "All $(words $(CLANG_TIDY_HEADERS) $(SOURCES)) clang-tidy tests passed."
72
73.PHONY: clean
74clean:
75	@rm -rf build/*
76	@find . -name '*~' -delete
77
78build/%.d: %.cpp Makefile
79	@mkdir -p $(@D)
80	$(CXX) $(CXXSTD) -Iinclude $(CPPFLAGS) -MM -MQ $@ $< -o $@
81
82build/%: %.cpp build/%.d
83	$(CXX) $(CXXSTD) -Iinclude $(CPPFLAGS) $(CXXFLAGS) $< $(LDFLAGS) -o $@
84
85.PHONY: amalgamate
86amalgamate: build/amalgamated/pegtl.hpp
87
88build/amalgamated/pegtl.hpp: $(HEADERS)
89	@mkdir -p $(@D)
90	@rm -rf build/include
91	@cp -a include build/
92	@rm -rf build/include/tao/pegtl/contrib/icu
93	@sed -i -e 's%^#%//#%g' $$(find build/include -name '*.hpp')
94	@sed -i -e 's%^//#include "%#include "%g' $$(find build/include -name '*.hpp')
95	@for i in $$(find build/include -name '*.hpp'); do echo "#pragma once" >tmp.out; echo "#line 1" >>tmp.out; cat $$i >>tmp.out; mv tmp.out $$i; done
96	@echo '#include "tao/pegtl.hpp"' >build/include/amalgamated.hpp
97	@( cd build/include ; for i in tao/pegtl/contrib/*.hpp; do echo "#include \"$$i\""; done ) >>build/include/amalgamated.hpp
98	@echo -e "/*\n\nWelcome to the Parsing Expression Grammar Template Library (PEGTL)." >$@
99	@echo -e "See https://github.com/taocpp/PEGTL/ for more information, documentation, etc.\n" >>$@
100	@echo -e "The library is licensed as follows:\n" >>$@
101	@cat LICENSE >>$@
102	@echo -e "\n*/\n" >>$@
103	@( cd build/include ; g++ -E -C -nostdinc amalgamated.hpp ) >>$@
104	@sed -i -e 's%^//#%#%g' $@
105	@sed -i -e 's%^# \([0-9]* "[^"]*"\).*%#line \1%g' $@
106	@sed -i -e 's%^// Copyright.*%%g' $@
107	@sed -i -e 's%^// Please.*%%g' $@
108	@echo "Generated/updated $@ successfully."
109
110ifeq ($(findstring $(MAKECMDGOALS),clean),)
111-include $(DEPENDS)
112endif
113