Makefile - external/github.com/nlohmann/json - Git at Google

 .PHONY: pretty clean ChangeLog.md release update_hedley update_hedley_undef BUILD.bazel natvis macro_builder_check

 ##########################################################################
 # configuration
 ##########################################################################

 # find GNU sed to use `-i` parameter
 SED:=$(shell command -v gsed || which sed)


 ##########################################################################
 # source files
 ##########################################################################

 # the list of sources in the include folder
 SRCS=$(shell find include -type f | sort)

 # the list of sources in the tests folder
 TESTS_SRCS=$(shell find tests -type f \( -name '*.hpp' -o -name '*.cpp' -o -name '*.cu' \) -not -path 'tests/thirdparty/*' -not -path 'tests/abi/include/nlohmann/*' | sort)

 # the single headers (amalgamated from the source files)
 AMALGAMATED_FILE=single_include/nlohmann/json.hpp
 AMALGAMATED_FWD_FILE=single_include/nlohmann/json_fwd.hpp
 # json_literals.hpp only includes <nlohmann/json.hpp>, so it is copied verbatim
 AMALGAMATED_LITERALS_FILE=single_include/nlohmann/json_literals.hpp
 AMALGAMATED_VIEW_FILE=single_include/nlohmann/json_view.hpp

 # the header with the argument-counting macros generated by tools/macro_builder
 MACRO_SCOPE_HPP=include/nlohmann/detail/macro_scope.hpp


 ##########################################################################
 # documentation of the Makefile's targets
 ##########################################################################

 # main target
 all:
 	@echo "amalgamate - amalgamate files single_include/nlohmann/json{,_fwd,_literals,_view}.hpp from the include/nlohmann sources"
 	@echo "BUILD.bazel - regenerate the Bazel BUILD file from the include/nlohmann sources"
 	@echo "ChangeLog.md - generate ChangeLog file"
 	@echo "check-amalgamation - check whether sources have been amalgamated and BUILD.bazel is up to date"
 	@echo "clean - remove built files"
 	@echo "fuzzing - see tests/fuzzing.md for how to build and run the fuzzers"
 	@echo "macro_builder_check - check that macro_scope.hpp matches tools/macro_builder's output"
 	@echo "natvis - regenerate nlohmann_json.natvis from the current ABI tags and version"
 	@echo "pretty - beautify code with Artistic Style"
 	@echo "run_benchmarks - build and run benchmarks"
 	@echo "update_hedley - download Hedley and regenerate hedley.hpp / hedley_undef.hpp"
 	@echo "update_hedley_undef - rebuild hedley_undef.hpp from the JSON_HEDLEY_* #define names in hedley.hpp"


 ##########################################################################
 # benchmarks
 ##########################################################################

 run_benchmarks:
 	rm -fr cmake-build-benchmarks
 	mkdir cmake-build-benchmarks
 	cd cmake-build-benchmarks ; cmake ../tests/benchmarks -GNinja -DCMAKE_BUILD_TYPE=Release
 	cd cmake-build-benchmarks ; ninja
 	cd cmake-build-benchmarks ; ./json_benchmarks


 ##########################################################################
 # Static analysis
 ##########################################################################

 # call PVS-Studio Analyzer <https://www.viva64.com/en/pvs-studio/>
 pvs_studio:
 	rm -fr cmake-build-pvs-studio
 	mkdir cmake-build-pvs-studio
 	cd cmake-build-pvs-studio ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DJSON_MultipleHeaders=ON
 	cd cmake-build-pvs-studio ; pvs-studio-analyzer analyze -j 10
 	cd cmake-build-pvs-studio ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
 	open cmake-build-pvs-studio/pvs/index.html


 ##########################################################################
 # Code format and source amalgamation
 ##########################################################################

 ASTYLE=tools/astyle/venv/bin/astyle

 install_astyle:
 	@test -d tools/astyle/venv || python3 -mvenv tools/astyle/venv ; tools/astyle/venv/bin/pip3 install --quiet --upgrade pip
 	@test -f $(ASTYLE) || tools/astyle/venv/bin/pip3 install --quiet -r tools/astyle/requirements.txt
 	@$(ASTYLE) --version

 # call the Artistic Style pretty printer on all source files
 pretty: install_astyle
 	$(ASTYLE) --project=tools/astyle/.astylerc $(SRCS) $(TESTS_SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE) docs/mkdocs/docs/examples/*.cpp docs/mkdocs/docs/examples/*.hpp

 # create single header files and pretty print
 amalgamate: $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE)
 	$(MAKE) pretty

 # call the amalgamation tool for json.hpp
 $(AMALGAMATED_FILE): $(SRCS)
 	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json.json -s . --verbose=yes

 # call the amalgamation tool for json_fwd.hpp
 $(AMALGAMATED_FWD_FILE): $(SRCS)
 	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json_fwd.json -s . --verbose=yes

 # copy json_literals.hpp
 $(AMALGAMATED_LITERALS_FILE): include/nlohmann/json_literals.hpp
 	cp include/nlohmann/json_literals.hpp $(AMALGAMATED_LITERALS_FILE)

 # call the amalgamation tool for json_view.hpp (keeps including json.hpp)
 $(AMALGAMATED_VIEW_FILE): $(SRCS)
 	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json_view.json -s . --verbose=yes
 # regenerate nlohmann_json.natvis from the ABI tags and version in include/nlohmann/detail/abi_macros.hpp
 natvis:
 	python3 tools/generate_natvis/generate_natvis.py .

 # regenerate the two tools/macro_builder blocks of $(MACRO_SCOPE_HPP) (see its README.md) and diff against the
 # checked-in header; phony, because it never writes $(MACRO_SCOPE_HPP) itself
 macro_builder_check:
 	@set -e; \
 	TMPDIR=$$(mktemp -d ./macro_builder_check.XXXXXX); \
 	trap 'rm -rf "$$TMPDIR"' EXIT; \
 	$(CXX) -std=c++11 tools/macro_builder/main.cpp -o "$$TMPDIR/macro_builder"; \
 	"$$TMPDIR/macro_builder" > "$$TMPDIR/paste.hpp"; \
 	"$$TMPDIR/macro_builder" type_body > "$$TMPDIR/type_body.hpp"; \
 	$(ASTYLE) --project=tools/astyle/.astylerc --suffix=none --quiet "$$TMPDIR/paste.hpp" "$$TMPDIR/type_body.hpp"; \
 	sed -n '/^#define NLOHMANN_JSON_EXPAND( x ) x$$/,/^#define NLOHMANN_JSON_DOUBLE_PASTE63(/p' $(MACRO_SCOPE_HPP) > "$$TMPDIR/paste_actual.hpp"; \
 	sed -n '/^#define NLOHMANN_JSON_TYPE_BODY(Prefix, \.\.\.)/,/^        NLOHMANN_JSON_TYPE_BODY_SENTINEL))$$/p' $(MACRO_SCOPE_HPP) > "$$TMPDIR/type_body_actual.hpp"; \
 	diff "$$TMPDIR/paste.hpp" "$$TMPDIR/paste_actual.hpp" || (echo "===================================================================\n  $(MACRO_SCOPE_HPP) (NLOHMANN_JSON_EXPAND..NLOHMANN_JSON_DOUBLE_PASTE63) is out of date!\n  Regenerate it, see tools/macro_builder/README.md.\n===================================================================" ; exit 1); \
 	diff "$$TMPDIR/type_body.hpp" "$$TMPDIR/type_body_actual.hpp" || (echo "===================================================================\n  $(MACRO_SCOPE_HPP) (NLOHMANN_JSON_TYPE_BODY) is out of date!\n  Regenerate it, see tools/macro_builder/README.md.\n===================================================================" ; exit 1)

 # check if file single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
 check-amalgamation:
 	@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
 	@mv $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~
 	@mv $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~
 	@mv $(AMALGAMATED_VIEW_FILE) $(AMALGAMATED_VIEW_FILE)~
 	@$(MAKE) amalgamate
 	@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
 	@diff $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE) ; false)
 	@diff $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE) ; false)
 	@diff $(AMALGAMATED_VIEW_FILE) $(AMALGAMATED_VIEW_FILE)~ || (echo "===================================================================\n  Amalgamation required! Please read the contribution guidelines\n  in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_VIEW_FILE)~ $(AMALGAMATED_VIEW_FILE) ; false)
 	@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)
 	@mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE)
 	@mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE)
 	@mv $(AMALGAMATED_VIEW_FILE)~ $(AMALGAMATED_VIEW_FILE)
 	@mv BUILD.bazel BUILD.bazel~
 	@$(MAKE) BUILD.bazel
 	@diff BUILD.bazel BUILD.bazel~ || (echo "===================================================================\n  BUILD.bazel is out of date! Please run 'make BUILD.bazel'.\n===================================================================" ; mv BUILD.bazel~ BUILD.bazel ; false)
 	@mv BUILD.bazel~ BUILD.bazel
 	@mv nlohmann_json.natvis nlohmann_json.natvis~
 	@$(MAKE) natvis
 	@diff nlohmann_json.natvis nlohmann_json.natvis~ || (echo "===================================================================\n  nlohmann_json.natvis is out of date! Please run 'make natvis'.\n===================================================================" ; mv nlohmann_json.natvis~ nlohmann_json.natvis ; false)
 	@mv nlohmann_json.natvis~ nlohmann_json.natvis
 	@$(MAKE) macro_builder_check

 # generate the Bazel BUILD file; phony, because a removed header would not trigger a rebuild
 BUILD.bazel:
 	cmake -P cmake/scripts/gen_bazel_build_file.cmake

 ##########################################################################
 # ChangeLog
 ##########################################################################

 # Create a ChangeLog based on the git log using the GitHub Changelog Generator
 # (<https://github.com/github-changelog-generator/github-changelog-generator>).

 # variable to control the diffs between the last released version and the current repository state
 NEXT_VERSION ?= "unreleased"

 ChangeLog.md:
 	github_changelog_generator -o ChangeLog.md --user nlohmann --project json --simple-list --release-url https://github.com/nlohmann/json/releases/tag/%s --future-release $(NEXT_VERSION)
 	$(SED) -i 's|https://github.com/nlohmann/json/releases/tag/HEAD|https://github.com/nlohmann/json/tree/HEAD|' ChangeLog.md
 	$(SED) -i '2i All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).' ChangeLog.md


 ##########################################################################
 # Release files
 ##########################################################################

 # Create a tar.xz archive that contains sufficient files to be used as CMake project (e.g., using FetchContent). The
 # archive is created according to the advices of <https://reproducible-builds.org/docs/archives/>.
 json.tar.xz:
 	mkdir json
 	rsync -R $(shell find LICENSE.MIT nlohmann_json.natvis CMakeLists.txt cmake/*.in include single_include -type f) json
 	gtar --sort=name --mtime="@$(shell git log -1 --pretty=%ct)" --owner=0 --group=0 --numeric-owner --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime --create --file - json | xz --compress -9e --threads=2 - > json.tar.xz
 	rm -fr json

 # We use `-X` to make the resulting ZIP file reproducible, see
 # <https://content.pivotal.io/blog/barriers-to-deterministic-reproducible-zip-files>.
 include.zip: BUILD.bazel
 	zip -9 --recurse-paths -X include.zip $(SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE) BUILD.bazel MODULE.bazel meson.build LICENSE.MIT

 # Create the files for a release and add signatures and hashes.
 release: include.zip json.tar.xz
 	rm -fr release_files
 	mkdir release_files
 	gpg --armor --detach-sig include.zip
 	gpg --armor --detach-sig $(AMALGAMATED_FILE)
 	gpg --armor --detach-sig $(AMALGAMATED_FWD_FILE)
 	gpg --armor --detach-sig $(AMALGAMATED_LITERALS_FILE)
 	gpg --armor --detach-sig $(AMALGAMATED_VIEW_FILE)
 	gpg --armor --detach-sig json.tar.xz
 	cp $(AMALGAMATED_FILE) release_files
 	cp $(AMALGAMATED_FWD_FILE) release_files
 	cp $(AMALGAMATED_LITERALS_FILE) release_files
 	cp $(AMALGAMATED_VIEW_FILE) release_files
 	mv $(AMALGAMATED_FILE).asc $(AMALGAMATED_FWD_FILE).asc $(AMALGAMATED_LITERALS_FILE).asc $(AMALGAMATED_VIEW_FILE).asc json.tar.xz json.tar.xz.asc include.zip include.zip.asc release_files
 	cd release_files ; shasum -a 256 $$(find . -type f -not -name '*.asc' | sed 's|^\./||' | sort) > hashes.txt


 ##########################################################################
 # Maintenance
 ##########################################################################

 # clean up
 clean:
 	rm -fr fuzz fuzz-testing *.dSYM tests/*.dSYM
 	rm -fr cmake-build-benchmarks fuzz-testing cmake-build-pvs-studio release_files
 	$(MAKE) clean -Cdocs


 ##########################################################################
 # Thirdparty code
 ##########################################################################

 update_hedley:
 	rm -f include/nlohmann/thirdparty/hedley/hedley.hpp include/nlohmann/thirdparty/hedley/hedley_undef.hpp
 	curl https://raw.githubusercontent.com/nemequ/hedley/master/hedley.h -o include/nlohmann/thirdparty/hedley/hedley.hpp
 	$(SED) -i 's/HEDLEY_/JSON_HEDLEY_/g' include/nlohmann/thirdparty/hedley/hedley.hpp
 	$(SED) -i '1s/^/#pragma once\n\n/' include/nlohmann/thirdparty/hedley/hedley.hpp
 	$(MAKE) update_hedley_undef
 	$(MAKE) amalgamate

 # Rebuild hedley_undef.hpp from every JSON_HEDLEY_* name that hedley.hpp
 # #defines. Hedley does not #undef all of its public macros internally (see
 # #5408), so grepping those #undef lines misses names such as
 # JSON_HEDLEY_PRAGMA. cmake/scripts/gen_hedley_undef_check.cmake is the
 # single source of truth for this extraction (tests/CMakeLists.txt uses the
 # same script, in MODE=checks, to generate the matching leak-check test), so
 # the vendored header, the generated #undef list, and the regression test
 # cannot drift apart.
 update_hedley_undef:
 	cmake -DHEDLEY_HPP=include/nlohmann/thirdparty/hedley/hedley.hpp \
 	      -DOUTPUT=include/nlohmann/thirdparty/hedley/hedley_undef.hpp \
 	      -DMODE=undef \
 	      -P cmake/scripts/gen_hedley_undef_check.cmake

 ##########################################################################
 # serve_header.py
 ##########################################################################

 serve_header:
 	./tools/serve_header/serve_header.py --make $(MAKE)

 ##########################################################################
 # REUSE
 ##########################################################################

 reuse:
 	pipx run reuse annotate --recursive single_include include -tjson --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2026" --merge-copyrights
 	pipx run reuse annotate $(TESTS_SRCS) -tjson_support --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2026" --merge-copyrights
 	pipx run reuse lint

 spdx:
 	pipx run reuse spdx --output nlohmann_json.spdx --creator-person "Niels Lohmann" --add-license-concluded
	.PHONY: pretty clean ChangeLog.md release update_hedley update_hedley_undef BUILD.bazel natvis macro_builder_check

	##########################################################################
	# configuration
	##########################################################################

	# find GNU sed to use `-i` parameter
	SED:=$(shell command -v gsed \|\| which sed)


	##########################################################################
	# source files
	##########################################################################

	# the list of sources in the include folder
	SRCS=$(shell find include -type f \| sort)

	# the list of sources in the tests folder
	TESTS_SRCS=$(shell find tests -type f \( -name '.hpp' -o -name '.cpp' -o -name '.cu' \) -not -path 'tests/thirdparty/' -not -path 'tests/abi/include/nlohmann/*' \| sort)

	# the single headers (amalgamated from the source files)
	AMALGAMATED_FILE=single_include/nlohmann/json.hpp
	AMALGAMATED_FWD_FILE=single_include/nlohmann/json_fwd.hpp
	# json_literals.hpp only includes <nlohmann/json.hpp>, so it is copied verbatim
	AMALGAMATED_LITERALS_FILE=single_include/nlohmann/json_literals.hpp
	AMALGAMATED_VIEW_FILE=single_include/nlohmann/json_view.hpp

	# the header with the argument-counting macros generated by tools/macro_builder
	MACRO_SCOPE_HPP=include/nlohmann/detail/macro_scope.hpp


	##########################################################################
	# documentation of the Makefile's targets
	##########################################################################

	# main target
	all:
	@echo "amalgamate - amalgamate files single_include/nlohmann/json{,_fwd,_literals,_view}.hpp from the include/nlohmann sources"
	@echo "BUILD.bazel - regenerate the Bazel BUILD file from the include/nlohmann sources"
	@echo "ChangeLog.md - generate ChangeLog file"
	@echo "check-amalgamation - check whether sources have been amalgamated and BUILD.bazel is up to date"
	@echo "clean - remove built files"
	@echo "fuzzing - see tests/fuzzing.md for how to build and run the fuzzers"
	@echo "macro_builder_check - check that macro_scope.hpp matches tools/macro_builder's output"
	@echo "natvis - regenerate nlohmann_json.natvis from the current ABI tags and version"
	@echo "pretty - beautify code with Artistic Style"
	@echo "run_benchmarks - build and run benchmarks"
	@echo "update_hedley - download Hedley and regenerate hedley.hpp / hedley_undef.hpp"
	@echo "update_hedley_undef - rebuild hedley_undef.hpp from the JSON_HEDLEY_* #define names in hedley.hpp"


	##########################################################################
	# benchmarks
	##########################################################################

	run_benchmarks:
	rm -fr cmake-build-benchmarks
	mkdir cmake-build-benchmarks
	cd cmake-build-benchmarks ; cmake ../tests/benchmarks -GNinja -DCMAKE_BUILD_TYPE=Release
	cd cmake-build-benchmarks ; ninja
	cd cmake-build-benchmarks ; ./json_benchmarks


	##########################################################################
	# Static analysis
	##########################################################################

	# call PVS-Studio Analyzer <https://www.viva64.com/en/pvs-studio/>
	pvs_studio:
	rm -fr cmake-build-pvs-studio
	mkdir cmake-build-pvs-studio
	cd cmake-build-pvs-studio ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DJSON_MultipleHeaders=ON
	cd cmake-build-pvs-studio ; pvs-studio-analyzer analyze -j 10
	cd cmake-build-pvs-studio ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
	open cmake-build-pvs-studio/pvs/index.html


	##########################################################################
	# Code format and source amalgamation
	##########################################################################

	ASTYLE=tools/astyle/venv/bin/astyle

	install_astyle:
	@test -d tools/astyle/venv \|\| python3 -mvenv tools/astyle/venv ; tools/astyle/venv/bin/pip3 install --quiet --upgrade pip
	@test -f $(ASTYLE) \|\| tools/astyle/venv/bin/pip3 install --quiet -r tools/astyle/requirements.txt
	@$(ASTYLE) --version

	# call the Artistic Style pretty printer on all source files
	pretty: install_astyle
	$(ASTYLE) --project=tools/astyle/.astylerc $(SRCS) $(TESTS_SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE) docs/mkdocs/docs/examples/.cpp docs/mkdocs/docs/examples/.hpp

	# create single header files and pretty print
	amalgamate: $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE)
	$(MAKE) pretty

	# call the amalgamation tool for json.hpp
	$(AMALGAMATED_FILE): $(SRCS)
	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json.json -s . --verbose=yes

	# call the amalgamation tool for json_fwd.hpp
	$(AMALGAMATED_FWD_FILE): $(SRCS)
	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json_fwd.json -s . --verbose=yes

	# copy json_literals.hpp
	$(AMALGAMATED_LITERALS_FILE): include/nlohmann/json_literals.hpp
	cp include/nlohmann/json_literals.hpp $(AMALGAMATED_LITERALS_FILE)

	# call the amalgamation tool for json_view.hpp (keeps including json.hpp)
	$(AMALGAMATED_VIEW_FILE): $(SRCS)
	tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json_view.json -s . --verbose=yes
	# regenerate nlohmann_json.natvis from the ABI tags and version in include/nlohmann/detail/abi_macros.hpp
	natvis:
	python3 tools/generate_natvis/generate_natvis.py .

	# regenerate the two tools/macro_builder blocks of $(MACRO_SCOPE_HPP) (see its README.md) and diff against the
	# checked-in header; phony, because it never writes $(MACRO_SCOPE_HPP) itself
	macro_builder_check:
	@set -e; \
	TMPDIR=$$(mktemp -d ./macro_builder_check.XXXXXX); \
	trap 'rm -rf "$$TMPDIR"' EXIT; \
	$(CXX) -std=c++11 tools/macro_builder/main.cpp -o "$$TMPDIR/macro_builder"; \
	"$$TMPDIR/macro_builder" > "$$TMPDIR/paste.hpp"; \
	"$$TMPDIR/macro_builder" type_body > "$$TMPDIR/type_body.hpp"; \
	$(ASTYLE) --project=tools/astyle/.astylerc --suffix=none --quiet "$$TMPDIR/paste.hpp" "$$TMPDIR/type_body.hpp"; \
	sed -n '/^#define NLOHMANN_JSON_EXPAND( x ) x$$/,/^#define NLOHMANN_JSON_DOUBLE_PASTE63(/p' $(MACRO_SCOPE_HPP) > "$$TMPDIR/paste_actual.hpp"; \
	sed -n '/^#define NLOHMANN_JSON_TYPE_BODY(Prefix, \.\.\.)/,/^ NLOHMANN_JSON_TYPE_BODY_SENTINEL))$$/p' $(MACRO_SCOPE_HPP) > "$$TMPDIR/type_body_actual.hpp"; \
	diff "$$TMPDIR/paste.hpp" "$$TMPDIR/paste_actual.hpp" \|\| (echo "===================================================================\n $(MACRO_SCOPE_HPP) (NLOHMANN_JSON_EXPAND..NLOHMANN_JSON_DOUBLE_PASTE63) is out of date!\n Regenerate it, see tools/macro_builder/README.md.\n===================================================================" ; exit 1); \
	diff "$$TMPDIR/type_body.hpp" "$$TMPDIR/type_body_actual.hpp" \|\| (echo "===================================================================\n $(MACRO_SCOPE_HPP) (NLOHMANN_JSON_TYPE_BODY) is out of date!\n Regenerate it, see tools/macro_builder/README.md.\n===================================================================" ; exit 1)

	# check if file single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
	check-amalgamation:
	@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
	@mv $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~
	@mv $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~
	@mv $(AMALGAMATED_VIEW_FILE) $(AMALGAMATED_VIEW_FILE)~
	@$(MAKE) amalgamate
	@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ \|\| (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
	@diff $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~ \|\| (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE) ; false)
	@diff $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_LITERALS_FILE)~ \|\| (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE) ; false)
	@diff $(AMALGAMATED_VIEW_FILE) $(AMALGAMATED_VIEW_FILE)~ \|\| (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_VIEW_FILE)~ $(AMALGAMATED_VIEW_FILE) ; false)
	@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)
	@mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE)
	@mv $(AMALGAMATED_LITERALS_FILE)~ $(AMALGAMATED_LITERALS_FILE)
	@mv $(AMALGAMATED_VIEW_FILE)~ $(AMALGAMATED_VIEW_FILE)
	@mv BUILD.bazel BUILD.bazel~
	@$(MAKE) BUILD.bazel
	@diff BUILD.bazel BUILD.bazel~ \|\| (echo "===================================================================\n BUILD.bazel is out of date! Please run 'make BUILD.bazel'.\n===================================================================" ; mv BUILD.bazel~ BUILD.bazel ; false)
	@mv BUILD.bazel~ BUILD.bazel
	@mv nlohmann_json.natvis nlohmann_json.natvis~
	@$(MAKE) natvis
	@diff nlohmann_json.natvis nlohmann_json.natvis~ \|\| (echo "===================================================================\n nlohmann_json.natvis is out of date! Please run 'make natvis'.\n===================================================================" ; mv nlohmann_json.natvis~ nlohmann_json.natvis ; false)
	@mv nlohmann_json.natvis~ nlohmann_json.natvis
	@$(MAKE) macro_builder_check

	# generate the Bazel BUILD file; phony, because a removed header would not trigger a rebuild
	BUILD.bazel:
	cmake -P cmake/scripts/gen_bazel_build_file.cmake

	##########################################################################
	# ChangeLog
	##########################################################################

	# Create a ChangeLog based on the git log using the GitHub Changelog Generator
	# (<https://github.com/github-changelog-generator/github-changelog-generator>).

	# variable to control the diffs between the last released version and the current repository state
	NEXT_VERSION ?= "unreleased"

	ChangeLog.md:
	github_changelog_generator -o ChangeLog.md --user nlohmann --project json --simple-list --release-url https://github.com/nlohmann/json/releases/tag/%s --future-release $(NEXT_VERSION)
	$(SED) -i 's\|https://github.com/nlohmann/json/releases/tag/HEAD\|https://github.com/nlohmann/json/tree/HEAD\|' ChangeLog.md
	$(SED) -i '2i All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).' ChangeLog.md


	##########################################################################
	# Release files
	##########################################################################

	# Create a tar.xz archive that contains sufficient files to be used as CMake project (e.g., using FetchContent). The
	# archive is created according to the advices of <https://reproducible-builds.org/docs/archives/>.
	json.tar.xz:
	mkdir json
	rsync -R $(shell find LICENSE.MIT nlohmann_json.natvis CMakeLists.txt cmake/*.in include single_include -type f) json
	gtar --sort=name --mtime="@$(shell git log -1 --pretty=%ct)" --owner=0 --group=0 --numeric-owner --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime --create --file - json \| xz --compress -9e --threads=2 - > json.tar.xz
	rm -fr json

	# We use `-X` to make the resulting ZIP file reproducible, see
	# <https://content.pivotal.io/blog/barriers-to-deterministic-reproducible-zip-files>.
	include.zip: BUILD.bazel
	zip -9 --recurse-paths -X include.zip $(SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_LITERALS_FILE) $(AMALGAMATED_VIEW_FILE) BUILD.bazel MODULE.bazel meson.build LICENSE.MIT

	# Create the files for a release and add signatures and hashes.
	release: include.zip json.tar.xz
	rm -fr release_files
	mkdir release_files
	gpg --armor --detach-sig include.zip
	gpg --armor --detach-sig $(AMALGAMATED_FILE)
	gpg --armor --detach-sig $(AMALGAMATED_FWD_FILE)
	gpg --armor --detach-sig $(AMALGAMATED_LITERALS_FILE)
	gpg --armor --detach-sig $(AMALGAMATED_VIEW_FILE)
	gpg --armor --detach-sig json.tar.xz
	cp $(AMALGAMATED_FILE) release_files
	cp $(AMALGAMATED_FWD_FILE) release_files
	cp $(AMALGAMATED_LITERALS_FILE) release_files
	cp $(AMALGAMATED_VIEW_FILE) release_files
	mv $(AMALGAMATED_FILE).asc $(AMALGAMATED_FWD_FILE).asc $(AMALGAMATED_LITERALS_FILE).asc $(AMALGAMATED_VIEW_FILE).asc json.tar.xz json.tar.xz.asc include.zip include.zip.asc release_files
	cd release_files ; shasum -a 256 $$(find . -type f -not -name '*.asc' \| sed 's\|^\./\|\|' \| sort) > hashes.txt


	##########################################################################
	# Maintenance
	##########################################################################

	# clean up
	clean:
	rm -fr fuzz fuzz-testing .dSYM tests/.dSYM
	rm -fr cmake-build-benchmarks fuzz-testing cmake-build-pvs-studio release_files
	$(MAKE) clean -Cdocs


	##########################################################################
	# Thirdparty code
	##########################################################################

	update_hedley:
	rm -f include/nlohmann/thirdparty/hedley/hedley.hpp include/nlohmann/thirdparty/hedley/hedley_undef.hpp
	curl https://raw.githubusercontent.com/nemequ/hedley/master/hedley.h -o include/nlohmann/thirdparty/hedley/hedley.hpp
	$(SED) -i 's/HEDLEY_/JSON_HEDLEY_/g' include/nlohmann/thirdparty/hedley/hedley.hpp
	$(SED) -i '1s/^/#pragma once\n\n/' include/nlohmann/thirdparty/hedley/hedley.hpp
	$(MAKE) update_hedley_undef
	$(MAKE) amalgamate

	# Rebuild hedley_undef.hpp from every JSON_HEDLEY_* name that hedley.hpp
	# #defines. Hedley does not #undef all of its public macros internally (see
	# #5408), so grepping those #undef lines misses names such as
	# JSON_HEDLEY_PRAGMA. cmake/scripts/gen_hedley_undef_check.cmake is the
	# single source of truth for this extraction (tests/CMakeLists.txt uses the
	# same script, in MODE=checks, to generate the matching leak-check test), so
	# the vendored header, the generated #undef list, and the regression test
	# cannot drift apart.
	update_hedley_undef:
	cmake -DHEDLEY_HPP=include/nlohmann/thirdparty/hedley/hedley.hpp \
	-DOUTPUT=include/nlohmann/thirdparty/hedley/hedley_undef.hpp \
	-DMODE=undef \
	-P cmake/scripts/gen_hedley_undef_check.cmake

	##########################################################################
	# serve_header.py
	##########################################################################

	serve_header:
	./tools/serve_header/serve_header.py --make $(MAKE)

	##########################################################################
	# REUSE
	##########################################################################

	reuse:
	pipx run reuse annotate --recursive single_include include -tjson --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2026" --merge-copyrights
	pipx run reuse annotate $(TESTS_SRCS) -tjson_support --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2026" --merge-copyrights
	pipx run reuse lint

	spdx:
	pipx run reuse spdx --output nlohmann_json.spdx --creator-person "Niels Lohmann" --add-license-concluded