kaliber/build/toolchain/gcc/BUILD.gn

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# Note that this uses the 'cc' and 'c++' environment variables or links that
# should map to GCC on linux systems and clang on macs.
# This also means that you can install clang or another compiler and it should
# automatically use that instead.
toolchain("gcc") {
lib_switch = "-l"
lib_dir_switch = "-L"
tool("asm") {
depfile = "{{output}}.d"
command = "cc -MD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}"
depsformat = "gcc"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
description = "assemble {{source}}"
}
tool("cc") {
depfile = "{{output}}.d"
command = "cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
depsformat = "gcc"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
description = "compile {{output}}"
}
tool("cxx") {
depfile = "{{output}}.d"
command = "c++ -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
depsformat = "gcc"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
description = "compile {{output}}"
}
tool("objc") {
depfile = "{{output}}.d"
command = "cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{framework_dirs}} {{cflags}} {{cflags_c}} {{cflags_objc}} -c {{source}} -o {{output}}"
depsformat = "gcc"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
description = "compile {{output}}"
}
tool("objcxx") {
depfile = "{{output}}.d"
command = "c++ -MMD -MF $depfile {{defines}} {{include_dirs}} {{framework_dirs}} {{cflags}} {{cflags_cc}} {{cflags_objcc}} -c {{source}} -o {{output}}"
depsformat = "gcc"
outputs =
[ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
description = "compile {{output}}"
}
if (is_apple) {
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not_needed([ "ar" ]) # libtool is used instead.
}
tool("alink") {
if (is_apple) {
command =
"libtool -static -o {{output}} -no_warning_for_no_symbols {{inputs}}"
} else {
command = "rm -f {{output}} && ar rcs {{output}} {{inputs}}"
}
outputs =
[ "{{target_out_dir}}/{{target_output_name}}{{output_extension}}" ]
default_output_extension = ".a"
output_prefix = "lib"
description = "link {{target_output_name}}{{output_extension}}"
}
tool("solink") {
soname = "{{target_output_name}}{{output_extension}}"
sofile = "{{output_dir}}/$soname"
rspfile = soname + ".rsp"
if (is_apple) {
os_specific_option = "-install_name @executable_path/$sofile"
rspfile_content = "{{inputs}} {{solibs}} {{libs}}"
} else {
os_specific_option = "-Wl,-soname=$soname"
rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
}
command = "c++ -shared {{ldflags}} {{frameworks}} -o $sofile $os_specific_option @$rspfile"
default_output_extension = ".so"
default_output_dir = "{{root_out_dir}}"
outputs = [ sofile ]
link_output = sofile
depend_output = sofile
output_prefix = "lib"
description = "link $soname"
}
tool("link") {
outfile = "{{target_output_name}}{{output_extension}}"
rspfile = "$outfile.rsp"
rspfile_content = "{{inputs}}"
if (is_apple) {
command = "c++ {{ldflags}} {{solibs}} {{libs}} {{frameworks}} -o $outfile @$rspfile"
} else {
command = "c++ {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
}
default_output_dir = "{{root_out_dir}}"
outputs = [ outfile ]
description = "link $outfile"
}
tool("stamp") {
command = "touch {{output}}"
description = "stamp {{output}}"
}
tool("copy") {
command = "cp -af {{source}} {{output}}"
description = "copy {{source}} {{output}}"
}
}