Build PPAPI NaCl Glibc tests with GN

build/toolchain/nacl/BUILD.gn

Index: build/toolchain/nacl/BUILD.gn
diff --git a/build/toolchain/nacl/BUILD.gn b/build/toolchain/nacl/BUILD.gn
index 5e7e39124e232fac9f7507347f9c8a67552982c9..c2e3be019e587d7bec95c8f0af5b4f148fd113f4 100644
--- a/build/toolchain/nacl/BUILD.gn
+++ b/build/toolchain/nacl/BUILD.gn
@@ -29,6 +29,7 @@ nacl_toolchain("newlib_pnacl") {
   toolchain_revision = pnacl_newlib_rev
   toolchain_cpu = "pnacl"
   toolprefix = "${os_toolchain_dir}/${toolchain_package}/bin/pnacl-"
+  is_nacl_glibc = false
 
   cc = toolprefix + "clang"
   cxx = toolprefix + "clang++"
@@ -50,6 +51,7 @@ nacl_toolchain("glibc_x86") {
   toolchain_cpu = "x86"
   toolprefix = "${os_toolchain_dir}/${toolchain_package}/bin/i686-nacl-"
   is_clang = false
+  is_nacl_glibc = true
 
   cc = toolprefix + "gcc"
   cxx = toolprefix + "g++"
@@ -63,6 +65,7 @@ nacl_toolchain("glibc_x64") {
   toolchain_cpu = "x64"
   toolprefix = "${os_toolchain_dir}/${toolchain_package}/bin/x86_64-nacl-"
   is_clang = false
+  is_nacl_glibc = true
 
   cc = toolprefix + "gcc"
   cxx = toolprefix + "g++"
@@ -108,6 +111,7 @@ template("nacl_irt_toolchain") {
 
   nacl_toolchain("irt_" + toolchain_cpu) {
     is_clang = true
+    is_nacl_glibc = false

[Roland McGrath, 2015/09/23 18:33:36]

This is superfluous, right?  The default is false.
If this were needed, then nacl_clang_toolchain would need it too.

[Petr Hosek, 2015/09/23 18:37:28]

Removed.

     cc = toolprefix + "clang"
     cxx = toolprefix + "clang++"
     ar = toolprefix + "ar"