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53 lines
1.3 KiB
53 lines
1.3 KiB
# This file introduces a templates for calling write_vcsrevision.py.
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#
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# Parameters:
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#
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# header (required) [string]
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#
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# names (optional) [list of strings]
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# Writes "$foo_REVISION" and "$foo_REPOSITORY" for each foo in names.
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# Defaults to [ "LLVM" ]
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declare_args() {
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# If this is set to true, VCSRevision.h is updated after every git commit.
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# That's technically correct, but results in rebuilds after every commit.
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# If it's false (default), VCSRevision.h will not contain a revision.
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llvm_append_vc_rev = false
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}
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template("write_vcsrevision") {
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assert(defined(invoker.header), "must set 'header' in $target_name")
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action(target_name) {
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script = "//llvm/utils/gn/build/write_vcsrevision.py"
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header = invoker.header
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if (defined(invoker.names)) {
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names = invoker.names
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} else {
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names = [ "LLVM" ]
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}
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args = [ rebase_path(header, root_build_dir) ]
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if (llvm_append_vc_rev) {
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depfile = "$header.d"
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args += [
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"--write-git-rev",
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"-d",
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rebase_path(depfile, root_build_dir),
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]
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}
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foreach(name, names) {
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args += [ "--name=$name" ]
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}
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outputs = [ header ]
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forward_variables_from(invoker,
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[
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"public_configs",
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"visibility",
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])
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}
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}
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