| # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This template defines a GCC toolchain. |
| # |
| # It requires the following variables specifying the executables to run: |
| # - cc |
| # - cxx |
| # - ar |
| # - ld |
| # and the following which is used in the toolchain_args |
| # - toolchain_cpu_arch (What "cpu_arch" should be set to when invoking a |
| # build using this toolchain.) |
| # - toolchain_os (What "os" should be set to when invoking a build using this |
| # toolchain.) |
| template("gcc_toolchain") { |
| toolchain(target_name) { |
| # Make these apply to all tools below. |
| lib_prefix = "-l" |
| lib_dir_prefix="-L" |
| |
| tool("cc") { |
| # cflags_pch_c |
| command = "$cc -MMD -MF \$out.d \$defines \$includes \$cflags \$cflags_c -c \$in -o \$out" |
| description = "CC \$out" |
| depfile = "\$out.d" |
| deps = "gcc" |
| } |
| tool("cxx") { |
| # cflags_pch_cc |
| command = "$cxx -MMD -MF \$out.d \$defines \$includes \$cflags \$cflags_cc -c \$in -o \$out" |
| description = "CXX \$out" |
| depfile = "\$out.d" |
| deps = "gcc" |
| } |
| tool("alink") { |
| command = "rm -f \$out && $ar rcs \$out \$in" |
| description = "AR \$out" |
| } |
| tool("solink") { |
| command = "if [ ! -e \$lib -o ! -e \${lib}.TOC ]; then $ld -shared \$ldflags -o \$lib -Wl,-soname=\$soname -Wl,--whole-archive \$in \$solibs -Wl,--no-whole-archive \$libs && { readelf -d \${lib} | grep SONAME ; nm -gD -f p \${lib} | cut -f1-2 -d' '; } > \${lib}.TOC; else $ld -shared \$ldflags -o \$lib -Wl,-soname=\$soname -Wl,--whole-archive \$in \$solibs -Wl,--no-whole-archive \$libs && { readelf -d \${lib} | grep SONAME ; nm -gD -f p \${lib} | cut -f1-2 -d' '; } > \${lib}.tmp && if ! cmp -s \${lib}.tmp \${lib}.TOC; then mv \${lib}.tmp \${lib}.TOC ; fi; fi" |
| description = "SOLINK \$lib" |
| #pool = "link_pool" |
| restat = "1" |
| } |
| tool("link") { |
| command = "$ld \$ldflags -o \$out -Wl,--start-group \$in \$solibs -Wl,--end-group \$libs" |
| description = "LINK \$out" |
| #pool = "link_pool" |
| } |
| tool("stamp") { |
| command = "\${postbuilds}touch \$out" |
| description = "STAMP \$out" |
| } |
| tool("copy") { |
| command = "ln -f \$in \$out 2>/dev/null || (rm -rf \$out && cp -af \$in \$out)" |
| description = "COPY \$in \$out" |
| } |
| |
| # 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() { |
| cpu_arch = toolchain_cpu_arch |
| os = toolchain_os |
| } |
| } |
| } |
