Relying only on host_alias is wrong

diff --git a/configure.in b/configure.in
index baebc1d35df1be4b2b18616d35ef4d40b912efca..8d5ab5e55e2c4028694b1f7357bfb3fc4a5ddb41 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -91,6 +91,11 @@ AC_AIX
 
 BSD_MAKEFILE=no
 
+dnl if host_alias is empty, ac_cv_host_alias may still have the info
+if test -z "$host_alias"; then
+    host_alias=$ac_cv_host_alias
+fi
+
 case $host_alias in
 *solaris*)
     CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"