forked from OSchip/llvm-project
gn build: Create a template for unix toolchains.
Also change the toolchain description to use current_os instead of host_os so that the template can be used for cross builds, and add a current_os to the win toolchain to match the unix toolchain. Differential Revision: https://reviews.llvm.org/D56576 llvm-svn: 350977
This commit is contained in:
Peter Collingbourne
parent
7d7e3256cd
commit
ad7f1d605c
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@ -9,7 +9,113 @@ declare_args() {
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}
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}
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toolchain("unix") {
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template("unix_toolchain") {
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toolchain(target_name) {
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forward_variables_from(invoker, "*")
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tool("cc") {
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depfile = "{{output}}.d"
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command = "$cc -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}"
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depsformat = "gcc"
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description = "CC {{output}}"
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outputs = [
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"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
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]
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}
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tool("cxx") {
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depfile = "{{output}}.d"
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command = "$cxx -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}"
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depsformat = "gcc"
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description = "CXX {{output}}"
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outputs = [
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"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
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]
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}
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tool("alink") {
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if (current_os == "mac") {
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command = "libtool -static -no_warning_for_no_symbols {{arflags}} -o {{output}} {{inputs}}"
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} else {
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# Remove the output file first so that ar doesn't try to modify the
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# existing file.
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command = "rm -f {{output}} && $ar rcsDT {{arflags}} {{output}} {{inputs}}"
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}
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description = "AR {{output}}"
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outputs = [
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"{{output_dir}}/{{target_output_name}}.a",
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]
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output_prefix = "lib"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("solink") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (current_os == "mac") {
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command = "$ld -shared {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".dylib"
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} else {
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command =
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"$ld -shared {{ldflags}} -Wl,-z,defs -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".so"
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}
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description = "SOLINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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output_prefix = "lib"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("solink_module") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (current_os == "mac") {
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command = "$ld -shared {{ldflags}} -Wl,-flat_namespace -Wl,-undefined,suppress -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".dylib"
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} else {
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command = "$ld -shared {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".so"
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}
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description = "SOLINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("link") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (current_os == "mac") {
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command = "$ld {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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} else {
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command = "$ld {{ldflags}} -o $outfile {{libs}} -Wl,--start-group {{inputs}} -Wl,--end-group"
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}
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description = "LINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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# Setting this allows targets to override the default executable output by
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# setting output_dir.
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default_output_dir = "{{root_out_dir}}/bin"
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}
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tool("copy") {
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command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})"
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description = "COPY {{source}} {{output}}"
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}
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tool("stamp") {
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command = "touch {{output}}"
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description = "STAMP {{output}}"
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}
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}
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}
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unix_toolchain("unix") {
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cc = "cc"
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cxx = "c++"
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@ -24,104 +130,10 @@ toolchain("unix") {
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cxx = "$goma_dir/gomacc $cxx"
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}
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tool("cc") {
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depfile = "{{output}}.d"
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command = "$cc -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}}"
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depsformat = "gcc"
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description = "CC {{output}}"
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outputs = [
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"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
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]
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}
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ar = "ar"
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tool("cxx") {
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depfile = "{{output}}.d"
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command = "$cxx -MMD -MF $depfile -o {{output}} -c {{source}} {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}}"
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depsformat = "gcc"
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description = "CXX {{output}}"
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outputs = [
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"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
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]
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}
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tool("alink") {
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if (host_os == "mac") {
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command = "libtool -static -no_warning_for_no_symbols {{arflags}} -o {{output}} {{inputs}}"
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} else {
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# Remove the output file first so that ar doesn't try to modify the
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# existing file.
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command = "rm -f {{output}} && ar rcsDT {{arflags}} {{output}} {{inputs}}"
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}
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description = "AR {{output}}"
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outputs = [
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"{{output_dir}}/{{target_output_name}}.a",
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]
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output_prefix = "lib"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("solink") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (host_os == "mac") {
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command = "$ld -shared {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".dylib"
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} else {
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command =
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"$ld -shared {{ldflags}} -Wl,-z,defs -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".so"
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}
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description = "SOLINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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output_prefix = "lib"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("solink_module") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (host_os == "mac") {
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command = "$ld -shared {{ldflags}} -Wl,-flat_namespace -Wl,-undefined,suppress -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".dylib"
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} else {
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command = "$ld -shared {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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default_output_extension = ".so"
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}
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description = "SOLINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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default_output_dir = "{{root_out_dir}}/lib"
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}
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tool("link") {
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outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
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if (host_os == "mac") {
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command = "$ld {{ldflags}} -o $outfile {{libs}} {{inputs}}"
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} else {
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command = "$ld {{ldflags}} -o $outfile {{libs}} -Wl,--start-group {{inputs}} -Wl,--end-group"
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}
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description = "LINK $outfile"
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outputs = [
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outfile,
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]
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lib_switch = "-l"
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# Setting this allows targets to override the default executable output by
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# setting output_dir.
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default_output_dir = "{{root_out_dir}}/bin"
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}
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tool("copy") {
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command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})"
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description = "COPY {{source}} {{output}}"
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}
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tool("stamp") {
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command = "touch {{output}}"
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description = "STAMP {{output}}"
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toolchain_args = {
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current_os = host_os
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}
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}
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@ -228,4 +240,8 @@ toolchain("win") {
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command = "cmd /c type nul > {{output}}"
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description = "STAMP {{output}}"
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}
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toolchain_args = {
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current_os = "win"
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}
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}
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