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Reland "Revert "Add an --os=fuchsia option to build.py:""
This reverts commit d39d4d0. Reason for revert: Relanding with fix Change-Id: I6d6911b6cdc578a3b576b237db94c7f1db9824b9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151600 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Liam Appelbe <liama@google.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| # Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file | ||
| # for details. All rights reserved. Use of this source code is governed by a | ||
| # BSD-style license that can be found in the LICENSE file. | ||
|
|
||
| declare_args() { | ||
| using_fuchsia_gn_sdk = true | ||
| fuchsia_sdk_root = "//third_party/fuchsia/sdk/$host_os" | ||
| fuchsia_sdk_path = "//third_party/fuchsia/sdk/$host_os" | ||
| fuchsia_toolchain_path = "//third_party/fuchsia/toolchain/$host_os" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| # Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file | ||
| # for details. All rights reserved. Use of this source code is governed by a | ||
| # BSD-style license that can be found in the LICENSE file. | ||
|
|
||
| import("//build/config/sysroot.gni") | ||
| import("//build/toolchain/ccache.gni") | ||
| import("//build/toolchain/gcc_toolchain.gni") | ||
| import("//build/toolchain/goma.gni") | ||
|
|
||
| if (use_goma) { | ||
| assert(!use_ccache, "Goma and ccache can't be used together.") | ||
| compiler_prefix = "$goma_dir/gomacc " | ||
| } else if (use_ccache) { | ||
| compiler_prefix = "ccache " | ||
| } else { | ||
| compiler_prefix = "" | ||
| } | ||
|
|
||
| toolchain("fuchsia") { | ||
| assert(target_cpu == "x64", "We currently only support 'x64' for fuchsia.") | ||
| toolchain_bin = | ||
| rebase_path("//buildtools/$host_os-$target_cpu/clang/bin", root_out_dir) | ||
| fuchsia_sdk = rebase_path("//third_party/fuchsia/sdk/$host_os", root_out_dir) | ||
|
|
||
| # We can't do string interpolation ($ in strings) on things with dots in | ||
| # them. To allow us to use $cc below, for example, we create copies of | ||
| # these values in our scope. | ||
| cc = "${toolchain_bin}/clang" | ||
| cxx = "${toolchain_bin}/clang++" | ||
| ar = "${toolchain_bin}/llvm-ar" | ||
| ld = "${toolchain_bin}/clang++" | ||
| readelf = "${toolchain_bin}/llvm-readelf" | ||
| nm = "${toolchain_bin}/llvm-nm" | ||
| strip = "${toolchain_bin}/llvm-strip" | ||
|
|
||
| target_triple_flags = "--target=x86_64-fuchsia" | ||
| sysroot_flags = "--sysroot ${fuchsia_sdk}/arch/${target_cpu}/sysroot" | ||
| lto_flags = "" | ||
|
|
||
| # These library switches can apply to all tools below. | ||
| lib_switch = "-l" | ||
| lib_dir_switch = "-L" | ||
|
|
||
| tool("cc") { | ||
| depfile = "{{output}}.d" | ||
| command = "$compiler_prefix $cc -MD -MF $depfile $target_triple_flags $sysroot_flags $lto_flags {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}" | ||
| depsformat = "gcc" | ||
| description = "CC {{output}}" | ||
| outputs = | ||
| [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ] | ||
| } | ||
|
|
||
| tool("cxx") { | ||
| depfile = "{{output}}.d" | ||
| command = "$compiler_prefix $cxx -MD -MF $depfile $target_triple_flags $sysroot_flags $lto_flags {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}" | ||
| depsformat = "gcc" | ||
| description = "CXX {{output}}" | ||
| outputs = | ||
| [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ] | ||
| } | ||
|
|
||
| tool("asm") { | ||
| depfile = "{{output}}.d" | ||
| command = "$compiler_prefix $cc -MD -MF $depfile $target_triple_flags $sysroot_flags $lto_flags {{defines}} {{include_dirs}} {{asmflags}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}" | ||
| depsformat = "gcc" | ||
| description = "ASM {{output}}" | ||
| outputs = | ||
| [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ] | ||
| } | ||
|
|
||
| tool("alink") { | ||
| rspfile = "{{output}}.rsp" | ||
| command = "rm -f {{output}} && $ar rcs {{output}} @$rspfile" | ||
| description = "AR {{output}}" | ||
| rspfile_content = "{{inputs}}" | ||
| outputs = | ||
| [ "{{target_out_dir}}/{{target_output_name}}{{output_extension}}" ] | ||
| default_output_extension = ".a" | ||
| output_prefix = "lib" | ||
| } | ||
|
|
||
| tool("solink") { | ||
| soname = "{{target_output_name}}{{output_extension}}" # e.g. "libfoo.so". | ||
| sofile = "{{root_out_dir}}/$soname" # Possibly including toolchain dir. | ||
| unstripped_sofile = | ||
| "{{root_out_dir}}/so.unstripped/$soname" # Possibly including toolchain | ||
| # dir. | ||
| rspfile = sofile + ".rsp" | ||
|
|
||
| # These variables are not built into GN but are helpers that implement | ||
| # (1) linking to produce a .so, (2) extracting the symbols from that file | ||
| # to a temporary file, (3) if the temporary file has differences from the | ||
| # existing .TOC file, overwrite it, otherwise, don't change it. | ||
| tocfile = sofile + ".TOC" | ||
| temporary_tocname = sofile + ".tmp" | ||
| link_command = "$compiler_prefix $ld $target_triple_flags $sysroot_flags $lto_flags -shared {{ldflags}} -o $unstripped_sofile -Wl,--build-id -Wl,-soname=$soname @$rspfile" | ||
| toc_command = "{ $readelf -d $unstripped_sofile | grep SONAME ; $nm -gD -f posix $unstripped_sofile | cut -f1-2 -d' '; } > $temporary_tocname" | ||
| replace_command = "if ! cmp -s $temporary_tocname $tocfile; then mv $temporary_tocname $tocfile; fi" | ||
| strip_command = "$strip -o $sofile $unstripped_sofile" | ||
|
|
||
| command = | ||
| "$link_command && $toc_command && $replace_command && $strip_command" | ||
| rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}" | ||
|
|
||
| description = "SOLINK $sofile" | ||
|
|
||
| default_output_extension = ".so" | ||
|
|
||
| output_prefix = "lib" | ||
|
|
||
| # Since the above commands only updates the .TOC file when it changes, ask | ||
| # Ninja to check if the timestamp actually changed to know if downstream | ||
| # dependencies should be recompiled. | ||
| restat = true | ||
|
|
||
| # Tell GN about the output files. It will link to the sofile but use the | ||
| # tocfile for dependency management. | ||
| outputs = [ | ||
| sofile, | ||
| unstripped_sofile, | ||
| tocfile, | ||
| ] | ||
|
|
||
| link_output = sofile | ||
| depend_output = tocfile | ||
| } | ||
|
|
||
| tool("link") { | ||
| exename = "{{target_output_name}}{{output_extension}}" | ||
| outfile = "{{root_out_dir}}/$exename" | ||
| rspfile = "$outfile.rsp" | ||
| unstripped_outfile = "{{root_out_dir}}/exe.stripped/$exename" | ||
| command = "$compiler_prefix $ld $target_triple_flags $sysroot_flags $lto_flags {{ldflags}} -o $unstripped_outfile -Wl,--build-id -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}} && ${strip} -o $outfile $unstripped_outfile" | ||
| description = "LINK $outfile" | ||
| rspfile_content = "{{inputs}}" | ||
| outputs = [ | ||
| unstripped_outfile, | ||
| outfile, | ||
| ] | ||
| } | ||
|
|
||
| tool("stamp") { | ||
| command = "touch {{output}}" | ||
| description = "STAMP {{output}}" | ||
| } | ||
|
|
||
| tool("copy") { | ||
| command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})" | ||
| description = "COPY {{source}} {{output}}" | ||
| } | ||
|
|
||
| # When invoking this toolchain not as the default one, these args will be | ||
| # passed to the build. They are ignored when this is the default toolchain. | ||
| toolchain_args = { | ||
| current_cpu = target_cpu | ||
| current_os = target_os | ||
|
|
||
| # These values need to be passed through unchanged. | ||
| target_os = target_os | ||
| target_cpu = target_cpu | ||
|
|
||
| is_clang = true | ||
| } | ||
| } |
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