ssh_client: integrate ccache automatically

Change-Id: Iae00f18342b11b533f6faeee2db03d67327a87a1
Reviewed-on: https://chromium-review.googlesource.com/c/apps/libapps/+/5838171
Reviewed-by: Joel Hockey <[email protected]>
Tested-by: kokoro <[email protected]>

Author: vapier

ssh_client/bin/ssh_client.py

@@ -167,7 +167,12 @@ def from_id(cls, name):
             return cls(_toolchain_wasm_env())
 
         assert name == "build"
-        return cls({})
+        return cls(
+            {
+                "CC": "gcc",
+                "CXX": "g++",
+            }
+        )
 
     def activate(self):
         """Update the current environment with this toolchain."""
@@ -191,6 +196,10 @@ def activate(self):
             if var not in self._env:
                 os.environ.pop(var, None)
 
+        if shutil.which("ccache"):
+            for var in ("CC", "CXX"):
+                os.environ[var] = f"ccache {os.environ[var]}"
+
     @property
     def chost(self):
         """Get the current hsst system."""

ssh_client/third_party/openssl/build

@@ -24,6 +24,7 @@ PATCHES = (
     "openssl-1.0.2a-parallel-obj-headers.patch",
     "openssl-1.0.2a-parallel-install-dirs.patch",
     "openssl-1.0.2a-parallel-symlinking.patch",
+    "openssl-1.0.2k-domd-hack.patch",
 )
 
 

ssh_client/third_party/openssl/openssl-1.0.2k-domd-hack.patch

@@ -0,0 +1,12 @@
+the domd script is a huge hack already, so add a little more to handle ccache
+
+--- a/util/domd
++++ b/util/domd
+@@ -6,6 +6,7 @@
+ shift
+ if [ "$1" = "-MD" ]; then
+     shift
++    [ "$1" = "ccache" ] && shift
+     MAKEDEPEND=$1
+     shift
+ fi