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Subject: edid-decode: build: add support for building with meson Author: Sebastian Wick <sebastian.w...@redhat.com> Date: Tue Apr 2 22:13:47 2024 +0200 This also removes the old Makefile based build-system. The immediate reason for adding support for meson is that this allows us to include edid-decode as a subproject in libdisplay-info. v3: * Declare a meson variable for the executable to make it possible to get it via subproject.get_variable() v2: * Remove the make build-system * Adjust the README on how to build/install with meson * Fix installing for the wasm-build Signed-off-by: Sebastian Wick <sebastian.w...@redhat.com> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> Makefile | 50 --------------------------------- README | 28 +++++++++++-------- emscripten/wasm-crossfile.txt | 14 ++++++++++ meson.build | 65 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 96 insertions(+), 61 deletions(-) --- diff --git a/Makefile b/Makefile deleted file mode 100644 index 375fedb8fe25..000000000000 diff --git a/README b/README index 4c2b7fe87a2e..bf4e66870503 100644 --- a/README +++ b/README @@ -6,8 +6,9 @@ To build this do: git clone git://linuxtv.org/edid-decode.git cd edid-decode -make -make install +meson setup _build +meson compile -C _build +meson install -C _build Patches and bug reports can be sent to the linux-me...@vger.kernel.org mailinglist (see https://www.linuxtv.org/lists.php). Please make sure @@ -46,15 +47,20 @@ https://hverkuil.home.xs4all.nl/edid-decode/edid-decode.html This is updated regularly with the latest edid-decode. It uses emscripten and the html file is maintained in the emscripten directory of edid-decode. -To build edid-decode.js/wasm run 'make edid-decode.js'. This assumes -that emscripten is installed, of course. - -You can use the konqueror browser to run it locally: - - konqueror emscripten/edid-decode.html - -For other browsers you need to serve the files using a local webserver. -See also https://emscripten.org/docs/getting_started/Tutorial.html +To build it, set the project up using the provided crossfile: + + meson setup _build-wasm \ + --cross-file ./emscripten/wasm-crossfile.txt \ + --prefix=$(pwd)/_install-wasm + meson install _build-wasm + # serve the files using a local webserver + cd _install-wasm/bin + python3 -m http.server + +This assumes that emscripten is installed, of course. The location of the +toolchain can be adjusted in emscripten/wasm-crossfile.txt. +See also https://emscripten.org/docs/getting_started/Tutorial.html and +https://mesonbuild.com/Cross-compilation.html. You can find a very large collection of EDIDs here: https://github.com/linuxhw/EDID diff --git a/emscripten/wasm-crossfile.txt b/emscripten/wasm-crossfile.txt new file mode 100644 index 000000000000..a41f46ca2ede --- /dev/null +++ b/emscripten/wasm-crossfile.txt @@ -0,0 +1,14 @@ +[binaries] +c = '/usr/lib/emscripten/emcc' +cpp = '/usr/lib/emscripten/em++' +ar = '/usr/lib/emscripten/emar' +strip = '/usr/lib/emscripten/emstrip' + +[built-in options] +default_library = 'static' + +[host_machine] +system = 'emscripten' +cpu_family = 'wasm32' +cpu = 'wasm32' +endian = 'little' \ No newline at end of file diff --git a/meson.build b/meson.build new file mode 100644 index 000000000000..ca5765276bc5 --- /dev/null +++ b/meson.build @@ -0,0 +1,65 @@ +project( + 'edid-decode', + 'cpp', +) + +edid_decode_args = [ + '-Wno-missing-field-initializers', + '-Wno-unused-parameter', + '-Wimplicit-fallthrough', +] +edid_decode_link_args = [] + +git = find_program('git', native: true, required: false) +if git.found() + git_commit = run_command( + [git, 'rev-parse', '--short=12', 'HEAD'], + check: false, + ) + git_date = run_command( + [git, 'show', '--quiet', '--date=format-local:%F %T', '--format=%cd'], + env: {'TZ': 'UTC'}, + check: false, + ) + + if git_commit.returncode() == 0 + edid_decode_args += ['-DSHA=' + git_commit.stdout().strip()] + endif + if git_date.returncode() == 0 + edid_decode_args += ['-DDATE=' + git_date.stdout().strip()] + endif +endif + +if target_machine.system() == 'emscripten' + edid_decode_link_args += [ + '-sEXPORTED_FUNCTIONS=_parse_edid', + '-sEXPORTED_RUNTIME_METHODS=ccall,cwrap' + ] + + fs = import('fs') + foreach filename : ['edid-decode.html', 'edid-decode.ico'] + fs.copyfile( + 'emscripten' / filename, + install: true, + install_dir: 'bin', + ) + endforeach +endif + +edid_decode = executable( + 'edid-decode', + 'calc-gtf-cvt.cpp', + 'calc-ovt.cpp', + 'edid-decode.cpp', + 'parse-base-block.cpp', + 'parse-cta-block.cpp', + 'parse-di-ext-block.cpp', + 'parse-displayid-block.cpp', + 'parse-ls-ext-block.cpp', + 'parse-vtb-ext-block.cpp', + cpp_args : edid_decode_args, + link_args: edid_decode_link_args, + install : true, +) + +install_man('edid-decode.1') \ No newline at end of file
