llvmPackages.libclang: clean up rebuild avoidance (a398b4e0) · Commits · nix / nixpkgs

pkgs/development/compilers/llvm/common/clang/default.nix

+11 −27

Original line number	Diff line number	Diff line
		@@ -95,16 +95,17 @@ stdenv.mkDerivation (
		(lib.cmakeFeature "CLANG_INSTALL_PACKAGE_DIR" "${placeholder "dev"}/lib/cmake/clang")
		(lib.cmakeBool "CLANGD_BUILD_XPC" false)
		(lib.cmakeBool "LLVM_ENABLE_RTTI" true)
		(lib.cmakeBool "LLVM_INCLUDE_TESTS" false)
		(lib.cmakeFeature "LLVM_TABLEGEN_EXE" "${buildLlvmTools.tblgen}/bin/llvm-tblgen")
		(lib.cmakeFeature "CLANG_TABLEGEN" "${buildLlvmTools.tblgen}/bin/clang-tblgen")
		(lib.cmakeFeature "CLANG_TIDY_CONFUSABLE_CHARS_GEN" "${buildLlvmTools.tblgen}/bin/clang-tidy-confusable-chars-gen")
		]
		++ lib.optional (lib.versionAtLeast release_version "20") (
		lib.cmakeFeature "LLVM_DIR" "${libllvm.dev}/lib/cmake/llvm"
		)
		++ lib.optionals (lib.versionAtLeast release_version "21") [
		(lib.cmakeFeature "CLANG_RESOURCE_DIR" "${placeholder "lib"}/lib/clang/${lib.versions.major release_version}")
		]
		# TODO: Clean up on `staging`.
		++ [
		(lib.cmakeBool "LLVM_INCLUDE_TESTS" false)
		]
		++ lib.optionals enableManpages [
		(lib.cmakeBool "CLANG_INCLUDE_DOCS" true)
		(lib.cmakeBool "LLVM_ENABLE_SPHINX" true)
		@@ -112,20 +113,10 @@ stdenv.mkDerivation (
		(lib.cmakeBool "SPHINX_OUTPUT_HTML" false)
		(lib.cmakeBool "SPHINX_WARNINGS_AS_ERRORS" false)
		]
		# TODO: Clean up on `staging`.
		++ [
		# Added in LLVM15:
		# `clang-tidy-confusable-chars-gen`: https://github.com/llvm/llvm-project/commit/c3574ef739fbfcc59d405985a3a4fa6f4619ecdb
		# `clang-pseudo-gen`: https://github.com/llvm/llvm-project/commit/cd2292ef824591cc34cc299910a3098545c840c7
		(lib.cmakeFeature "CLANG_TIDY_CONFUSABLE_CHARS_GEN" "${buildLlvmTools.tblgen}/bin/clang-tidy-confusable-chars-gen")
		]
		++ lib.optionals (lib.versionOlder release_version "20") [
		# clang-pseudo removed in LLVM20: https://github.com/llvm/llvm-project/commit/ed8f78827895050442f544edef2933a60d4a7935
		(lib.cmakeFeature "CLANG_PSEUDO_GEN" "${buildLlvmTools.tblgen}/bin/clang-pseudo-gen")
		]
		++ lib.optional (lib.versionAtLeast release_version "20") (
		lib.cmakeFeature "LLVM_DIR" "${libllvm.dev}/lib/cmake/llvm"
		)
		++ devExtraCmakeFlags;

		postPatch = ''
		@@ -173,20 +164,13 @@ stdenv.mkDerivation (
		patchShebangs $python/bin

		mkdir -p $dev/bin
		cp bin/clang-tblgen $dev/bin
		''
		# TODO(@LunNova): Clean up this rebuild avoidance in staging
		+ lib.optionalString enableClangToolsExtra (
		if lib.versionOlder release_version "20" then
		''
		cp bin/{clang-tblgen,clang-tidy-confusable-chars-gen,clang-pseudo-gen} $dev/bin
		''
		else
		''
		cp bin/{clang-tblgen,clang-tidy-confusable-chars-gen} $dev/bin
		+ lib.optionalString enableClangToolsExtra ''
		cp bin/clang-tidy-confusable-chars-gen $dev/bin
		''
		)
		+ lib.optionalString (!enableClangToolsExtra) ''
		cp bin/clang-tblgen $dev/bin
		+ lib.optionalString (enableClangToolsExtra && lib.versionOlder release_version "20") ''
		cp bin/clang-pseudo-gen $dev/bin
		'';

		env =