Default powerpc to build with mcs (#4313)

It crashes during build with roslyn on Jenkins.

diff --git a/configure.ac b/configure.ac
index 2ab8cfa00f762022485e4c4a5475672ef6ae0ab9..87d3a05758a39691dfc11cbc8e55b6b2a7d4209d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -786,7 +786,10 @@ if test $csc_compiler = default; then
    if test $endian = big; then
       csc_compiler=mcs
    elif test $endian = little; then
-      csc_compiler=roslyn
+      case "$host" in
+        powerpc*) csc_compiler=mcs;;
+        *) csc_compiler=roslyn;;
+      esac
    else
       csc_compiler=mcs
    fi