| import("//llvm/utils/gn/build/toolchain/compiler.gni") |
| |
| declare_args() { |
| # If is_goma is true, the location of the goma client install. |
| if (host_os == "win") { |
| goma_dir = "c:\src\goma\goma-win64" |
| } else { |
| goma_dir = getenv("HOME") + "/goma" |
| } |
| } |
| |
| template("unix_toolchain") { |
| toolchain(target_name) { |
| forward_variables_from(invoker, "*") |
| |
| tool("cc") { |
| depfile = "{{output}}.d" |
| command = "$cc -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}" |
| depsformat = "gcc" |
| description = "CC {{output}}" |
| outputs = [ |
| "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| ] |
| } |
| |
| tool("cxx") { |
| depfile = "{{output}}.d" |
| command = "$cxx -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}" |
| depsformat = "gcc" |
| description = "CXX {{output}}" |
| outputs = [ |
| "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| ] |
| } |
| |
| tool("asm") { |
| depfile = "{{output}}.d" |
| command = "$cc -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{asmflags}}" |
| depsformat = "gcc" |
| description = "ASM {{output}}" |
| outputs = [ |
| "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o", |
| ] |
| } |
| |
| tool("alink") { |
| if (current_os == "mac") { |
| command = "libtool -static -no_warning_for_no_symbols {{arflags}} -o {{output}} {{inputs}}" |
| } else { |
| # Remove the output file first so that ar doesn't try to modify the |
| # existing file. |
| command = |
| "rm -f {{output}} && $ar rcsD {{arflags}} {{output}} {{inputs}}" |
| } |
| description = "AR {{output}}" |
| outputs = [ |
| "{{output_dir}}/{{target_output_name}}.a", |
| ] |
| output_prefix = "lib" |
| default_output_dir = "{{root_out_dir}}/lib" |
| } |
| |
| tool("solink") { |
| outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}" |
| if (current_os == "mac") { |
| command = "$ld -shared {{ldflags}} -o $outfile {{libs}} {{inputs}}" |
| default_output_extension = ".dylib" |
| } else { |
| command = "$ld -shared {{ldflags}} -Wl,-z,defs -Wl,-soname,{{target_output_name}}{{output_extension}} -o $outfile {{libs}} {{inputs}}" |
| default_output_extension = ".so" |
| } |
| description = "SOLINK $outfile" |
| outputs = [ |
| outfile, |
| ] |
| lib_switch = "-l" |
| output_prefix = "lib" |
| default_output_dir = "{{root_out_dir}}/lib" |
| } |
| |
| tool("solink_module") { |
| outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}" |
| if (current_os == "mac") { |
| command = "$ld -shared {{ldflags}} -Wl,-flat_namespace -Wl,-undefined,suppress -o $outfile {{libs}} {{inputs}}" |
| default_output_extension = ".dylib" |
| } else { |
| command = "$ld -shared {{ldflags}} -Wl,-soname,{{target_output_name}}{{output_extension}} -o $outfile {{libs}} {{inputs}}" |
| default_output_extension = ".so" |
| } |
| description = "SOLINK $outfile" |
| outputs = [ |
| outfile, |
| ] |
| lib_switch = "-l" |
| default_output_dir = "{{root_out_dir}}/lib" |
| } |
| |
| tool("link") { |
| outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}" |
| if (current_os == "mac") { |
| command = "$ld {{ldflags}} -o $outfile {{libs}} {{inputs}}" |
| } else { |
| command = "$ld {{ldflags}} -o $outfile {{libs}} -Wl,--start-group {{inputs}} -Wl,--end-group" |
| } |
| description = "LINK $outfile" |
| outputs = [ |
| outfile, |
| ] |
| lib_switch = "-l" |
| |
| # Setting this allows targets to override the default executable output by |
| # setting output_dir. |
| default_output_dir = "{{root_out_dir}}/bin" |
| } |
| |
| tool("copy") { |
| command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})" |
| description = "COPY {{source}} {{output}}" |
| } |
| |
| tool("stamp") { |
| command = "touch {{output}}" |
| description = "STAMP {{output}}" |
| } |
| } |
| } |
| |
| unix_toolchain("unix") { |
| cc = "cc" |
| cxx = "c++" |
| |
| if (clang_base_path != "") { |
| cc = "$clang_base_path/bin/clang" |
| cxx = "$clang_base_path/bin/clang++" |
| } |
| |
| ld = cxx # Don't use goma wrapper for linking. |
| if (use_goma) { |
| cc = "$goma_dir/gomacc $cc" |
| cxx = "$goma_dir/gomacc $cxx" |
| } |
| |
| if (current_os != "mac") { |
| ar = "ar" |
| } |
| |
| toolchain_args = { |
| current_os = host_os |
| current_cpu = host_cpu |
| } |
| } |
| |
| template("stage2_unix_toolchain") { |
| unix_toolchain(target_name) { |
| forward_variables_from(invoker, "*") |
| |
| cc = "bin/clang" |
| cxx = "bin/clang++" |
| ld = cxx |
| if (current_os != "mac") { |
| ar = "bin/llvm-ar" |
| } |
| |
| deps = [ |
| "//:clang($host_toolchain)", |
| "//:lld($host_toolchain)", |
| ] |
| if (current_os != "mac") { |
| deps += [ "//:llvm-ar($host_toolchain)" ] |
| } |
| } |
| } |
| |
| stage2_unix_toolchain("stage2_unix") { |
| toolchain_args = { |
| current_os = host_os |
| current_cpu = host_cpu |
| is_clang = true |
| use_lld = host_os != "mac" |
| } |
| } |
| |
| if (android_ndk_path != "") { |
| stage2_unix_toolchain("stage2_android_aarch64") { |
| toolchain_args = { |
| current_os = "android" |
| current_cpu = "arm64" |
| is_clang = true |
| use_lld = true |
| } |
| } |
| } |
| |
| toolchain("win") { |
| cl = "cl" |
| link = "link" |
| |
| if (clang_base_path != "") { |
| cl = "$clang_base_path/bin/clang-cl" |
| if (use_lld) { |
| link = "$clang_base_path/bin/lld-link" |
| } |
| } |
| |
| if (use_goma) { |
| cl = "$goma_dir/gomacc $cl" |
| } |
| |
| tool("cc") { |
| command = "$cl /nologo /showIncludes /Fo{{output}} /c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}" |
| depsformat = "msvc" |
| description = "CC {{output}}" |
| outputs = [ |
| "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.obj", |
| ] |
| } |
| |
| tool("cxx") { |
| command = "$cl /nologo /showIncludes /Fo{{output}} /c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}" |
| depsformat = "msvc" |
| description = "CXX {{output}}" |
| outputs = [ |
| "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.obj", |
| ] |
| } |
| |
| tool("alink") { |
| command = "lib /nologo {{arflags}} /out:{{output}} {{inputs}}" |
| description = "LIB {{output}}" |
| outputs = [ |
| "{{output_dir}}/{{target_output_name}}.lib", |
| ] |
| default_output_dir = "{{root_out_dir}}/lib" |
| } |
| |
| tool("solink") { |
| outprefix = "{{output_dir}}/{{target_output_name}}" |
| dllfile = "$outprefix{{output_extension}}" |
| libfile = "$outprefix.lib" |
| pdbfile = "$outprefix.pdb" |
| command = "$link /nologo /dll {{ldflags}} /out:$dllfile /implib:$libfile /pdb:$pdbfile {{libs}} {{inputs}}" |
| description = "LINK $dllfile" |
| link_output = libfile |
| depend_output = libfile |
| runtime_outputs = [ dllfile ] |
| outputs = [ |
| dllfile, |
| libfile, |
| ] |
| default_output_extension = ".dll" |
| restat = true |
| |
| # Put dlls next to the executables in bin/ on Windows, since Windows |
| # doesn't have a configurable rpath. This matches initialization of |
| # module_dir to bin/ in AddLLVM.cmake's set_output_directory(). |
| default_output_dir = "{{root_out_dir}}/bin" |
| } |
| |
| # Plugins for opt and clang and so on don't work in LLVM's Windows build |
| # since the code doesn't have export annotations, but there are a few |
| # standalone loadable modules used for unit-testing LLVM's dynamic library |
| # loading code. |
| tool("solink_module") { |
| outprefix = "{{output_dir}}/{{target_output_name}}" |
| dllfile = "$outprefix{{output_extension}}" |
| pdbfile = "$outprefix.pdb" |
| command = "$link /nologo /dll {{ldflags}} /out:$dllfile /pdb:$pdbfile {{libs}} {{inputs}}" |
| description = "LINK_MODULE $dllfile" |
| outputs = [ |
| dllfile, |
| ] |
| runtime_outputs = outputs |
| default_output_extension = ".dll" |
| |
| # No default_output_dir, all clients set output_dir. |
| } |
| |
| tool("link") { |
| outprefix = "{{output_dir}}/{{target_output_name}}" |
| outfile = "$outprefix{{output_extension}}" |
| pdbfile = "$outprefix.pdb" |
| command = "$link /nologo {{ldflags}} /out:$outfile /pdb:$pdbfile {{libs}} {{inputs}}" |
| description = "LINK $outfile" |
| outputs = [ |
| outfile, |
| ] |
| default_output_extension = ".exe" |
| |
| # Setting this allows targets to override the default executable output by |
| # setting output_dir. |
| default_output_dir = "{{root_out_dir}}/bin" |
| } |
| |
| tool("copy") { |
| # GN hands out slash-using paths, but cmd's copy needs backslashes. |
| # Use cmd's %foo:a=b% substitution feature to convert. |
| command = "cmd /c set source=\"{{source}}\" & set output=\"{{output}}\" & call copy /Y %source:/=\% %output:\=/% > nul" |
| description = "COPY {{source}} {{output}}" |
| } |
| |
| tool("stamp") { |
| command = "cmd /c type nul > {{output}}" |
| description = "STAMP {{output}}" |
| } |
| |
| toolchain_args = { |
| current_os = "win" |
| current_cpu = host_cpu |
| } |
| } |