変奏現実

$ make test
which: no emcc in (/home/****/.local/bin:/home/****/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin)
cd out/clang/Debug/ && cmake -G Ninja /home/****/wabt/ -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Debug 
CMake Error: CMake was unable to find a build program corresponding to "Ninja".  CMAKE_MAKE_PROGRAM is not set.  You probably need to select a different build tool.
-- Configuring incomplete, errors occurred!
make: *** [Makefile:156: out/clang/Debug/build.ninja] エラー 1

# git clone https://github.com/ninja-build/ninja.git
Cloning into 'ninja'...
remote: Enumerating objects: 13476, done.
remote: Counting objects: 100% (369/369), done.
remote: Compressing objects: 100% (222/222), done.
remote: Total 13476 (delta 266), reused 147 (delta 147), pack-reused 13107 (from 6)
Receiving objects: 100% (13476/13476), 5.12 MiB | 1.82 MiB/s, done.
Resolving deltas: 100% (9425/9425), done.

# cmake -Bbuild-cmake ※ビルド事前設定のオプションらしい　-DBUILD_TESTING=OFF付加でユニットテスト無効も可
-- The CXX compiler identification is GNU 11.5.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- IPO / LTO enabled
-- Performing Test flag_no_deprecated
-- Performing Test flag_no_deprecated - Success
-- Looking for ppoll
-- Looking for ppoll - found
CMake Warning at CMakeLists.txt:82 (message):
  re2c 2 or later was not found; changes to src/*.in.cc will not affect your
  build.


-- Looking for fork
-- Looking for fork - found
-- Looking for pipe
-- Looking for pipe - found
-- Could NOT find GTest (missing: GTEST_LIBRARY GTEST_INCLUDE_DIR GTEST_MAIN_LIBRARY) 
-- The C compiler identification is GNU 11.5.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Found Python: /usr/bin/python3.9 (found version "3.9.21") found components: Interpreter 
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE  
-- Configuring done (10.9s)
-- Generating done (0.2s)
-- Build files have been written to: /root/ninja/build-cmake

# cmake --build build-cmake
[  1%] Building CXX object CMakeFiles/libninja-re2c.dir/src/depfile_parser.cc.o
[  2%] Building CXX object CMakeFiles/libninja-re2c.dir/src/lexer.cc.o
[  2%] Built target libninja-re2c
[  3%] Building CXX object CMakeFiles/libninja.dir/src/build_log.cc.o
[  5%] Building CXX object CMakeFiles/libninja.dir/src/build.cc.o
[  6%] Building CXX object CMakeFiles/libninja.dir/src/clean.cc.o
[  7%] Building CXX object CMakeFiles/libninja.dir/src/clparser.cc.o
[  8%] Building CXX object CMakeFiles/libninja.dir/src/dyndep.cc.o
[ 10%] Building CXX object CMakeFiles/libninja.dir/src/dyndep_parser.cc.o
[ 11%] Building CXX object CMakeFiles/libninja.dir/src/debug_flags.cc.o
[ 12%] Building CXX object CMakeFiles/libninja.dir/src/deps_log.cc.o
[ 14%] Building CXX object CMakeFiles/libninja.dir/src/disk_interface.cc.o
[ 15%] Building CXX object CMakeFiles/libninja.dir/src/edit_distance.cc.o
[ 16%] Building CXX object CMakeFiles/libninja.dir/src/elide_middle.cc.o
[ 17%] Building CXX object CMakeFiles/libninja.dir/src/eval_env.cc.o
[ 19%] Building CXX object CMakeFiles/libninja.dir/src/graph.cc.o
[ 20%] Building CXX object CMakeFiles/libninja.dir/src/graphviz.cc.o
[ 21%] Building CXX object CMakeFiles/libninja.dir/src/json.cc.o
[ 23%] Building CXX object CMakeFiles/libninja.dir/src/line_printer.cc.o
[ 24%] Building CXX object CMakeFiles/libninja.dir/src/manifest_parser.cc.o
[ 25%] Building CXX object CMakeFiles/libninja.dir/src/metrics.cc.o
[ 26%] Building CXX object CMakeFiles/libninja.dir/src/missing_deps.cc.o
[ 28%] Building CXX object CMakeFiles/libninja.dir/src/parser.cc.o
[ 29%] Building CXX object CMakeFiles/libninja.dir/src/real_command_runner.cc.o
[ 30%] Building CXX object CMakeFiles/libninja.dir/src/state.cc.o
[ 32%] Building CXX object CMakeFiles/libninja.dir/src/status_printer.cc.o
[ 33%] Building CXX object CMakeFiles/libninja.dir/src/string_piece_util.cc.o
[ 34%] Building CXX object CMakeFiles/libninja.dir/src/util.cc.o
[ 35%] Building CXX object CMakeFiles/libninja.dir/src/version.cc.o
[ 37%] Building CXX object CMakeFiles/libninja.dir/src/subprocess-posix.cc.o
[ 37%] Built target libninja
[ 38%] Generating build/browse_py.h
[ 39%] Building CXX object CMakeFiles/ninja.dir/src/ninja.cc.o
[ 41%] Building CXX object CMakeFiles/ninja.dir/src/browse.cc.o
[ 42%] Linking CXX executable ninja
[ 42%] Built target ninja
[ 43%] Building CXX object _deps/googletest-build/googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.o
[ 44%] Linking CXX static library ../../../lib/libgtest.a
[ 44%] Built target gtest
[ 46%] Building CXX object CMakeFiles/ninja_test.dir/src/build_log_test.cc.o
[ 47%] Building CXX object CMakeFiles/ninja_test.dir/src/build_test.cc.o
[ 48%] Building CXX object CMakeFiles/ninja_test.dir/src/clean_test.cc.o
[ 50%] Building CXX object CMakeFiles/ninja_test.dir/src/clparser_test.cc.o
[ 51%] Building CXX object CMakeFiles/ninja_test.dir/src/depfile_parser_test.cc.o
[ 52%] Building CXX object CMakeFiles/ninja_test.dir/src/deps_log_test.cc.o
[ 53%] Building CXX object CMakeFiles/ninja_test.dir/src/disk_interface_test.cc.o
[ 55%] Building CXX object CMakeFiles/ninja_test.dir/src/dyndep_parser_test.cc.o
[ 56%] Building CXX object CMakeFiles/ninja_test.dir/src/edit_distance_test.cc.o
[ 57%] Building CXX object CMakeFiles/ninja_test.dir/src/elide_middle_test.cc.o
[ 58%] Building CXX object CMakeFiles/ninja_test.dir/src/explanations_test.cc.o
[ 60%] Building CXX object CMakeFiles/ninja_test.dir/src/graph_test.cc.o
[ 61%] Building CXX object CMakeFiles/ninja_test.dir/src/json_test.cc.o
[ 62%] Building CXX object CMakeFiles/ninja_test.dir/src/lexer_test.cc.o
[ 64%] Building CXX object CMakeFiles/ninja_test.dir/src/manifest_parser_test.cc.o
[ 65%] Building CXX object CMakeFiles/ninja_test.dir/src/missing_deps_test.cc.o
[ 66%] Building CXX object CMakeFiles/ninja_test.dir/src/ninja_test.cc.o
[ 67%] Building CXX object CMakeFiles/ninja_test.dir/src/state_test.cc.o
[ 69%] Building CXX object CMakeFiles/ninja_test.dir/src/string_piece_util_test.cc.o
[ 70%] Building CXX object CMakeFiles/ninja_test.dir/src/subprocess_test.cc.o
[ 71%] Building CXX object CMakeFiles/ninja_test.dir/src/test.cc.o
[ 73%] Building CXX object CMakeFiles/ninja_test.dir/src/util_test.cc.o
[ 74%] Linking CXX executable ninja_test
[ 74%] Built target ninja_test
[ 75%] Building CXX object CMakeFiles/build_log_perftest.dir/src/build_log_perftest.cc.o
[ 76%] Linking CXX executable build_log_perftest
[ 76%] Built target build_log_perftest
[ 78%] Building CXX object CMakeFiles/canon_perftest.dir/src/canon_perftest.cc.o
[ 79%] Linking CXX executable canon_perftest
[ 79%] Built target canon_perftest
[ 80%] Building CXX object CMakeFiles/clparser_perftest.dir/src/clparser_perftest.cc.o
[ 82%] Linking CXX executable clparser_perftest
[ 82%] Built target clparser_perftest
[ 83%] Building CXX object CMakeFiles/depfile_parser_perftest.dir/src/depfile_parser_perftest.cc.o
[ 84%] Linking CXX executable depfile_parser_perftest
[ 84%] Built target depfile_parser_perftest
[ 85%] Building CXX object CMakeFiles/elide_middle_perftest.dir/src/elide_middle_perftest.cc.o
[ 87%] Linking CXX executable elide_middle_perftest
[ 87%] Built target elide_middle_perftest
[ 88%] Building CXX object CMakeFiles/hash_collision_bench.dir/src/hash_collision_bench.cc.o
[ 89%] Linking CXX executable hash_collision_bench
[ 89%] Built target hash_collision_bench
[ 91%] Building CXX object CMakeFiles/manifest_parser_perftest.dir/src/manifest_parser_perftest.cc.o
[ 92%] Linking CXX executable manifest_parser_perftest
[ 92%] Built target manifest_parser_perftest
[ 93%] Building CXX object _deps/googletest-build/googlemock/CMakeFiles/gmock.dir/src/gmock-all.cc.o
[ 94%] Linking CXX static library ../../../lib/libgmock.a
[ 94%] Built target gmock
[ 96%] Building CXX object _deps/googletest-build/googlemock/CMakeFiles/gmock_main.dir/src/gmock_main.cc.o
[ 97%] Linking CXX static library ../../../lib/libgmock_main.a
[ 97%] Built target gmock_main
[ 98%] Building CXX object _deps/googletest-build/googletest/CMakeFiles/gtest_main.dir/src/gtest_main.cc.o
[100%] Linking CXX static library ../../../lib/libgtest_main.a
[100%] Built target gtest_main
#

# cmake --install ./build-cmake/
-- Install configuration: ""
-- Up-to-date: /usr/local/include
-- Installing: /usr/local/include/gmock
-- Installing: /usr/local/include/gmock/gmock-actions.h
-- Installing: /usr/local/include/gmock/gmock-cardinalities.h
-- Installing: /usr/local/include/gmock/gmock-function-mocker.h
-- Installing: /usr/local/include/gmock/gmock-matchers.h
-- Installing: /usr/local/include/gmock/gmock-more-actions.h
-- Installing: /usr/local/include/gmock/gmock-more-matchers.h
-- Installing: /usr/local/include/gmock/gmock-nice-strict.h
-- Installing: /usr/local/include/gmock/gmock-spec-builders.h
-- Installing: /usr/local/include/gmock/gmock.h
-- Installing: /usr/local/include/gmock/internal
-- Installing: /usr/local/include/gmock/internal/custom
-- Installing: /usr/local/include/gmock/internal/custom/README.md
-- Installing: /usr/local/include/gmock/internal/custom/gmock-generated-actions.h
-- Installing: /usr/local/include/gmock/internal/custom/gmock-matchers.h
-- Installing: /usr/local/include/gmock/internal/custom/gmock-port.h
-- Installing: /usr/local/include/gmock/internal/gmock-internal-utils.h
-- Installing: /usr/local/include/gmock/internal/gmock-port.h
-- Installing: /usr/local/include/gmock/internal/gmock-pp.h
-- Installing: /usr/local/lib64/libgmock.a
-- Installing: /usr/local/lib64/libgmock_main.a
-- Installing: /usr/local/lib64/pkgconfig/gmock.pc
-- Installing: /usr/local/lib64/pkgconfig/gmock_main.pc
-- Installing: /usr/local/lib64/cmake/GTest/GTestTargets.cmake
-- Installing: /usr/local/lib64/cmake/GTest/GTestTargets-noconfig.cmake
-- Installing: /usr/local/lib64/cmake/GTest/GTestConfigVersion.cmake
-- Installing: /usr/local/lib64/cmake/GTest/GTestConfig.cmake
-- Up-to-date: /usr/local/include
-- Installing: /usr/local/include/gtest
-- Installing: /usr/local/include/gtest/gtest-assertion-result.h
-- Installing: /usr/local/include/gtest/gtest-death-test.h
-- Installing: /usr/local/include/gtest/gtest-matchers.h
-- Installing: /usr/local/include/gtest/gtest-message.h
-- Installing: /usr/local/include/gtest/gtest-param-test.h
-- Installing: /usr/local/include/gtest/gtest-printers.h
-- Installing: /usr/local/include/gtest/gtest-spi.h
-- Installing: /usr/local/include/gtest/gtest-test-part.h
-- Installing: /usr/local/include/gtest/gtest-typed-test.h
-- Installing: /usr/local/include/gtest/gtest.h
-- Installing: /usr/local/include/gtest/gtest_pred_impl.h
-- Installing: /usr/local/include/gtest/gtest_prod.h
-- Installing: /usr/local/include/gtest/internal
-- Installing: /usr/local/include/gtest/internal/custom
-- Installing: /usr/local/include/gtest/internal/custom/README.md
-- Installing: /usr/local/include/gtest/internal/custom/gtest-port.h
-- Installing: /usr/local/include/gtest/internal/custom/gtest-printers.h
-- Installing: /usr/local/include/gtest/internal/custom/gtest.h
-- Installing: /usr/local/include/gtest/internal/gtest-death-test-internal.h
-- Installing: /usr/local/include/gtest/internal/gtest-filepath.h
-- Installing: /usr/local/include/gtest/internal/gtest-internal.h
-- Installing: /usr/local/include/gtest/internal/gtest-param-util.h
-- Installing: /usr/local/include/gtest/internal/gtest-port-arch.h
-- Installing: /usr/local/include/gtest/internal/gtest-port.h
-- Installing: /usr/local/include/gtest/internal/gtest-string.h
-- Installing: /usr/local/include/gtest/internal/gtest-type-util.h
-- Installing: /usr/local/lib64/libgtest.a
-- Installing: /usr/local/lib64/libgtest_main.a
-- Installing: /usr/local/lib64/pkgconfig/gtest.pc
-- Installing: /usr/local/lib64/pkgconfig/gtest_main.pc
-- Installing: /usr/local/bin/ninja

ninja --version
1.13.0.git