Merge "Limit calls to strip.sh on darwin"

1 files changed, 13 insertions, 0 deletions

diff --git a/cc/builder.go b/cc/builder.go
index c99e4618..8d09a99e 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -123,12 +123,25 @@ var (
         _ = pctx.SourcePathVariable("stripPath", "build/soong/scripts/strip.sh")
         _ = pctx.SourcePathVariable("xzCmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/xz")
 
+        // b/132822437: objcopy uses a file descriptor per .o file when called on .a files, which runs the system out of
+        // file descriptors on darwin.  Limit concurrent calls to 10 on darwin.
+        darwinStripPool = func() blueprint.Pool {
+                if runtime.GOOS == "darwin" {
+                        return pctx.StaticPool("darwinStripPool", blueprint.PoolParams{
+                                Depth: 10,
+                        })
+                } else {
+                        return nil
+                }
+        }()
+
         strip = pctx.AndroidStaticRule("strip",
                 blueprint.RuleParams{
                         Depfile:     "${out}.d",
                         Deps:        blueprint.DepsGCC,
                         Command:     "CROSS_COMPILE=$crossCompile XZ=$xzCmd CLANG_BIN=${config.ClangBin} $stripPath ${args} -i ${in} -o ${out} -d ${out}.d",
                         CommandDeps: []string{"$stripPath", "$xzCmd"},
+                        Pool:        darwinStripPool,
                 },
                 "args", "crossCompile")