commit f44b38f45c66ab9ea219434c9273b6dc078ff939
author Peter Collingbourne <pcc@chromium.org> Sat Jan 12 05:46:05 2019
committer Commit Bot <commit-bot@chromium.org> Sat Jan 12 05:46:05 2019
tree 2c4488b974948178d7ac55c2b082f00b6fa3b116
parent f99c9bcbdf30938b2c08128a1c96ea0c7fb2378e

clang/update.py: Build only the targets that we need.

See bug for details.

Bug: 919267
Change-Id: Ied50d4cea6d2302ab6e738c8ed50ba96f6d0d482
Reviewed-on: https://chromium-review.googlesource.com/c/1407652
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Peter Collingbourne <pcc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622294}

tools/clang/scripts/update.py

diff --git a/tools/clang/scripts/update.py b/tools/clang/scripts/update.py
index c3d36eb0..7cc44f14 100755
--- a/tools/clang/scripts/update.py
+++ b/tools/clang/scripts/update.py
@@ -35,7 +35,7 @@
   CLANG_REVISION = 'HEAD'
 
 # This is incremented when pushing a new build of Clang at the same revision.
-CLANG_SUB_REVISION=1
+CLANG_SUB_REVISION=2
 
 PACKAGE_VERSION = "%s-%s" % (CLANG_REVISION, CLANG_SUB_REVISION)
 
@@ -526,10 +526,12 @@
   cxxflags = []
   ldflags = []
 
+  targets = 'AArch64;ARM;Mips;PowerPC;SystemZ;WebAssembly;X86'
   base_cmake_args = ['-GNinja',
                      '-DCMAKE_BUILD_TYPE=Release',
                      '-DLLVM_ENABLE_ASSERTIONS=ON',
                      '-DLLVM_ENABLE_TERMINFO=OFF',
+                     '-DLLVM_TARGETS_TO_BUILD=' + targets,
                      # Statically link MSVCRT to avoid DLL dependencies.
                      '-DLLVM_USE_CRT_RELEASE=MT',
                      '-DCLANG_PLUGIN_SUPPORT=OFF',