267 строки
8.7 KiB
Plaintext
267 строки
8.7 KiB
Plaintext
# Copyright (c) 2014 The Native Client Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import("//build/config/nacl/config.gni")
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import("//build/config/sysroot.gni")
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import("//build/toolchain/nacl_toolchain.gni")
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# Add the toolchain revision as a preprocessor define so that sources are
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# rebuilt when a toolchain is updated.
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# Idea we could use the toolchain deps feature, but currently that feature is
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# bugged and does not trigger a rebuild.
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# https://code.google.com/p/chromium/issues/detail?id=431880
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# Calls to get the toolchain revision are relatively slow, so do them all in a
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# single batch to amortize python startup, etc.
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revisions = exec_script("//native_client/build/get_toolchain_revision.py",
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[
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"nacl_x86_glibc",
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"nacl_arm_glibc",
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"pnacl_newlib",
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],
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"trim list lines")
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nacl_x86_glibc_rev = revisions[0]
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nacl_arm_glibc_rev = revisions[1]
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pnacl_newlib_rev = revisions[2]
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if (host_os == "win") {
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toolsuffix = ".exe"
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} else {
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toolsuffix = ""
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}
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# The PNaCl toolchain tools are all wrapper scripts rather than binary
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# executables. On POSIX systems, nobody cares what kind of executable
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# file you are. But on Windows, scripts (.bat files) cannot be run
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# directly and need the Windows shell (cmd.exe) specified explicily.
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if (host_os == "win") {
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# NOTE! The //build/toolchain/gcc_*_wrapper.py scripts recognize
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# this exact prefix string, so they must be updated if this string
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# is changed in any way.
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scriptprefix = "cmd /c call "
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scriptsuffix = ".bat"
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} else {
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scriptprefix = ""
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scriptsuffix = ""
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}
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# When the compilers are run via goma or ccache rather than directly by
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# GN/Ninja, the goma/ccache wrapper handles .bat files but gets confused
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# by being given the scriptprefix.
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if (host_os == "win" && !use_goma && cc_wrapper == "") {
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compiler_scriptprefix = scriptprefix
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} else {
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compiler_scriptprefix = ""
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}
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template("pnacl_toolchain") {
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assert(defined(invoker.executable_extension),
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"Must define executable_extension")
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nacl_toolchain(target_name) {
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toolchain_package = "pnacl_newlib"
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toolchain_revision = pnacl_newlib_rev
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toolprefix =
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rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/pnacl-",
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root_build_dir)
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cc = compiler_scriptprefix + toolprefix + "clang" + scriptsuffix
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cxx = compiler_scriptprefix + toolprefix + "clang++" + scriptsuffix
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ar = toolprefix + "ar" + scriptsuffix
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readelf = scriptprefix + toolprefix + "readelf" + scriptsuffix
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nm = scriptprefix + toolprefix + "nm" + scriptsuffix
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if (defined(invoker.strip)) {
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strip = scriptprefix + toolprefix + invoker.strip + scriptsuffix
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}
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forward_variables_from(invoker,
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[
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"executable_extension",
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"is_clang_analysis_supported",
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])
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# Note this is not the usual "ld = cxx" because "ld" uses are
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# never run via goma, so this needs scriptprefix.
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ld = scriptprefix + toolprefix + "clang++" + scriptsuffix
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toolchain_args = {
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is_clang = true
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current_cpu = "pnacl"
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use_lld = false
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}
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}
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}
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pnacl_toolchain("newlib_pnacl") {
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executable_extension = ".pexe"
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# The pnacl-finalize tool turns a .pexe.debug file into a .pexe file.
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# It's very similar in purpose to the traditional "strip" utility: it
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# turns what comes out of the linker into what you actually want to
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# distribute and run. PNaCl doesn't have a "strip"-like utility that
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# you ever actually want to use other than pnacl-finalize, so just
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# make pnacl-finalize the strip tool rather than adding an additional
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# step like "postlink" to run pnacl-finalize.
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strip = "finalize"
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}
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pnacl_toolchain("newlib_pnacl_nonsfi") {
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executable_extension = ""
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strip = "strip"
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}
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template("nacl_glibc_toolchain") {
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toolchain_cpu = target_name
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assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
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assert(defined(invoker.toolchain_package), "Must define toolchain_package")
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assert(defined(invoker.toolchain_revision), "Must define toolchain_revision")
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forward_variables_from(invoker,
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[
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"toolchain_package",
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"toolchain_revision",
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])
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toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
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invoker.toolchain_tuple + "-",
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root_build_dir)
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nacl_toolchain("glibc_" + toolchain_cpu) {
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cc = toolprefix + "gcc" + toolsuffix
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cxx = toolprefix + "g++" + toolsuffix
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ar = toolprefix + "ar" + toolsuffix
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ld = cxx
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readelf = toolprefix + "readelf" + toolsuffix
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nm = toolprefix + "nm" + toolsuffix
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strip = toolprefix + "strip" + toolsuffix
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toolchain_args = {
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current_cpu = toolchain_cpu
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is_clang = false
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is_nacl_glibc = true
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use_lld = false
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}
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}
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}
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nacl_glibc_toolchain("x86") {
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toolchain_package = "nacl_x86_glibc"
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toolchain_revision = nacl_x86_glibc_rev
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# Rely on the :compiler_cpu_abi config adding the -m32 flag here rather
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# than using the i686-nacl binary directly. This is a because i686-nacl-gcc
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# is a shell script wrapper around x86_64-nacl-gcc and goma has trouble with
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# compiler executables that are shell scripts (so the i686 'compiler' is not
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# currently in goma).
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toolchain_tuple = "x86_64-nacl"
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}
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nacl_glibc_toolchain("x64") {
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toolchain_package = "nacl_x86_glibc"
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toolchain_revision = nacl_x86_glibc_rev
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toolchain_tuple = "x86_64-nacl"
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}
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nacl_glibc_toolchain("arm") {
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toolchain_package = "nacl_arm_glibc"
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toolchain_revision = nacl_arm_glibc_rev
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toolchain_tuple = "arm-nacl"
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}
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template("nacl_clang_toolchain") {
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toolchain_cpu = target_name
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assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
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toolchain_package = "pnacl_newlib"
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toolchain_revision = pnacl_newlib_rev
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toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
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invoker.toolchain_tuple + "-",
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root_build_dir)
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nacl_toolchain("clang_newlib_" + toolchain_cpu) {
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cc = toolprefix + "clang" + toolsuffix
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cxx = toolprefix + "clang++" + toolsuffix
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ar = toolprefix + "ar" + toolsuffix
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ld = cxx
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readelf = toolprefix + "readelf" + toolsuffix
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nm = toolprefix + "nm" + toolsuffix
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strip = toolprefix + "strip" + toolsuffix
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toolchain_args = {
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current_cpu = toolchain_cpu
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is_clang = true
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use_lld = false
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}
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}
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}
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template("nacl_irt_toolchain") {
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toolchain_cpu = target_name
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assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
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toolchain_package = "pnacl_newlib"
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toolchain_revision = pnacl_newlib_rev
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toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
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invoker.toolchain_tuple + "-",
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root_build_dir)
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link_irt = rebase_path("//native_client/build/link_irt.py", root_build_dir)
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tls_edit_label =
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"//native_client/src/tools/tls_edit:tls_edit($host_toolchain)"
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host_toolchain_out_dir =
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rebase_path(get_label_info(tls_edit_label, "root_out_dir"),
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root_build_dir)
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tls_edit = "${host_toolchain_out_dir}/tls_edit"
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nacl_toolchain("irt_" + toolchain_cpu) {
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cc = toolprefix + "clang" + toolsuffix
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cxx = toolprefix + "clang++" + toolsuffix
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ar = toolprefix + "ar" + toolsuffix
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readelf = toolprefix + "readelf" + toolsuffix
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nm = toolprefix + "nm" + toolsuffix
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strip = toolprefix + "strip" + toolsuffix
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# Some IRT implementations (notably, Chromium's) contain C++ code,
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# so we need to link w/ the C++ linker.
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ld = "${python_path} ${link_irt} --tls-edit=${tls_edit} --link-cmd=${cxx} --readelf-cmd=${readelf}"
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toolchain_args = {
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current_cpu = toolchain_cpu
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is_clang = true
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use_lld = false
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}
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# TODO(ncbray): depend on link script
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deps = [
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tls_edit_label,
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]
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}
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}
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template("nacl_clang_toolchains") {
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assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
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nacl_clang_toolchain(target_name) {
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toolchain_tuple = invoker.toolchain_tuple
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}
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nacl_irt_toolchain(target_name) {
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toolchain_tuple = invoker.toolchain_tuple
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}
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}
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nacl_clang_toolchains("x86") {
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# Rely on :compiler_cpu_abi adding -m32. See nacl_x86_glibc above.
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toolchain_tuple = "x86_64-nacl"
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}
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nacl_clang_toolchains("x64") {
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toolchain_tuple = "x86_64-nacl"
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}
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nacl_clang_toolchains("arm") {
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toolchain_tuple = "arm-nacl"
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}
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nacl_clang_toolchains("mipsel") {
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toolchain_tuple = "mipsel-nacl"
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}
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