diff --git a/configure.ac b/configure.ac
index d507dc2b6e..3aa9f36fe1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -95,6 +95,7 @@ dnl ----------------------------------------------------------------------------
 
 tr_DARWIN="no"
 tr_FREEBSD="no"
+tr_SOLARIS="no"
 tr_ARM="no"
 
 case $target in
@@ -106,6 +107,10 @@ case $target in
     tr_FREEBSD="yes"
     ;;
 
+  *-*-solaris*)
+    tr_SOLARIS="yes"
+    ;;
+
   armv7l-*-linux-gnueabihf)
     CXXFLAGS="${CXXFLAGS} -O0"
     tr_ARM="yes"
@@ -125,6 +130,7 @@ esac
 
 AM_CONDITIONAL(ENABLE_DARWIN, test "x$tr_DARWIN" = xyes)
 AM_CONDITIONAL(ENABLE_FREEBSD, test "x$tr_FREEBSD" = xyes)
+AM_CONDITIONAL(ENABLE_SOLARIS, test "x$tr_SOLARIS" = xyes)
 AM_CONDITIONAL(ENABLE_ARM, test "x$tr_ARM" = xyes)
 AM_CONDITIONAL(ENABLE_ARMV6, test "x$tr_ARM6" = xyes)
 AM_CONDITIONAL(ENABLE_ARMV7, test "x$tr_ARM7" = xyes)