diff --git a/configure.in b/configure.in
index 25c0904d3f..95f89ea108 100644
--- a/configure.in
+++ b/configure.in
@@ -62,6 +62,7 @@ case "$target" in
 *-*-linux*) MAKEFILE_PREFIX=linux ; PLATFORM=LINUX ; AC_DEFINE(LINUX) ;;
 *-*-netbsd*) MAKEFILE_PREFIX=netbsd ; PLATFORM=NETBSD ; AC_DEFINE(NETBSD) ;;
 *-*-hpux*) MAKEFILE_PREFIX=hpux ; PLATFORM=hpux ; AC_DEFINE(hpux) ;;
+i386-pc-solaris*) MAKEFILE_PREFIX=solx86 ; PLATFORM=solx86 ; AC_DEFINE(solx86) ;
 esac
 
 AC_SUBST(PLATFORM)