97 lines
3.2 KiB
Plaintext
97 lines
3.2 KiB
Plaintext
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import("//clang/lib/ARCMigrate/enable.gni")
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import("//clang/lib/StaticAnalyzer/Frontend/enable.gni")
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import("//llvm/utils/gn/build/toolchain/compiler.gni")
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group("default") {
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deps = [
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"//clang-tools-extra/clangd/test",
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"//clang-tools-extra/test",
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"//clang/test",
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"//clang/tools/scan-build",
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"//compiler-rt/include",
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"//compiler-rt/lib/scudo",
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"//lld/test",
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"//llvm/test",
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]
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if (current_os == "linux" || current_os == "mac") {
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deps += [ "//compiler-rt" ]
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}
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if (current_os == "linux") {
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deps += [
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"//libcxx",
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"//libcxxabi",
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"//libunwind",
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]
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}
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if (current_os == "linux" || current_os == "android") {
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deps += [ "//compiler-rt/test/hwasan" ]
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}
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testonly = true
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}
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# Symlink handling.
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# On POSIX, symlinks to the target can be created before the target exist,
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# and the target can depend on the symlink targets, so that building the
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# target ensures the symlinks exist.
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# However, symlinks didn't exist on Windows until recently, so there the
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# binary needs to be copied -- which requires it to exist. So the symlink step
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# needs to run after the target that creates the binary.
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# In the cmake build, this is done via a "postbuild" on the target, which just
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# tacks on "&& copy out.exe out2.exe" to the link command.
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# GN doesn't have a way to express postbuild commands. It could probably be
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# emulated by having the link command in the toolchain be a wrapper script that
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# reads a ".symlinks" file next to the target, and have an action write that
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# and make the target depend on that, but then every single link has to use the
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# wrapper (unless we do further acrobatics to use a different toolchain for
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# targets that need symlinks) even though most links don't need symlinks.
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# Instead, have a top-level target for each target that needs symlinks, and
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# make that depend on the symlinks. Then the symlinks can depend on the
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# executable. This has the effect that `ninja lld` builds lld and then creates
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# symlinks (via this target), while `ninja bin/lld` only builds lld and doesn't
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# update symlinks (in particular, on Windows it doesn't copy the new lld to its
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# new locations).
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# That seems simpler, more explicit, and good enough.
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group("clang") {
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deps = [ "//clang/tools/driver:symlinks" ]
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}
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group("lld") {
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deps = [ "//lld/tools/lld:symlinks" ]
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}
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group("llvm-ar") {
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deps = [ "//llvm/tools/llvm-ar:symlinks" ]
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}
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group("llvm-dwp") {
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deps = [ "//llvm/tools/llvm-dwp:symlinks" ]
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}
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group("llvm-nm") {
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deps = [ "//llvm/tools/llvm-nm:symlinks" ]
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}
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group("llvm-cxxfilt") {
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deps = [ "//llvm/tools/llvm-cxxfilt:symlinks" ]
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}
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group("llvm-objcopy") {
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deps = [ "//llvm/tools/llvm-objcopy:symlinks" ]
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}
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group("llvm-objdump") {
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deps = [ "//llvm/tools/llvm-objdump:symlinks" ]
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}
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group("llvm-readobj") {
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deps = [ "//llvm/tools/llvm-readobj:symlinks" ]
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}
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group("llvm-size") {
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deps = [ "//llvm/tools/llvm-size:symlinks" ]
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}
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group("llvm-strings") {
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deps = [ "//llvm/tools/llvm-strings:symlinks" ]
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}
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group("llvm-symbolizer") {
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deps = [ "//llvm/tools/llvm-symbolizer:symlinks" ]
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}
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# A pool called "console" in the root BUILD.gn is magic and represents ninja's
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# built-in console pool. (Requires a GN with `gn --version` >= 552353.)
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pool("console") {
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depth = 1
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}
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