PPC/s390: [sysroot installer] Disable for host arch PPC/s390

build/linux/sysroot_scripts/install-sysroot.py

Index: build/linux/sysroot_scripts/install-sysroot.py
diff --git a/build/linux/sysroot_scripts/install-sysroot.py b/build/linux/sysroot_scripts/install-sysroot.py
index 3e842a47cdd9312a1a7af030aa417957684e465f..3cab8cd43a9805cfbe6c3a830713bb67dafab9a2 100755
--- a/build/linux/sysroot_scripts/install-sysroot.py
+++ b/build/linux/sysroot_scripts/install-sysroot.py
@@ -108,6 +108,10 @@ def DetectHostArch():
     return 'arm64'
   elif detected_host_arch == 'mips':
     return 'mips'
+  elif detected_host_arch == 'ppc':
+    return 'ppc'
+  elif detected_host_arch == 's390':
+    return 's390'
 
   raise Error('Unrecognized host arch: %s' % detected_host_arch)
 
@@ -182,6 +186,9 @@ def main(args):
     return 0
 
   if options.running_as_hook:
+    # PPC/s390 don't use sysroot, see http://crbug.com/646169
+    if DetectHostArch() in ['ppc','s390']:
+      return 0
     InstallDefaultSysroots()

[agrieve, 2016/09/29 23:59:43]

nit: can you change this so that it takes the host_arch as a parameter, in order
to avoid calling DetectHostArch() twice?

   else:
     if not options.arch: