diff --git a/configure.ac b/configure.ac
index 9a1a75f53..12256c0cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -884,6 +884,7 @@ fi
 
 AM_CONDITIONAL([TARGET_DARWIN], [test x$TARGET_OS = xdarwin])
 AM_CONDITIONAL([BUILD_DARWIN], [test x$BUILD_OS = xdarwin])
+AM_CONDITIONAL([TARGET_LINUX], [test x$TARGET_OS = xlinux])
 AM_CONDITIONAL([TARGET_WINDOWS], [test x$TARGET_OS = xwindows])
 AM_CONDITIONAL([ENABLE_WALLET],[test x$enable_wallet = xyes])
 AM_CONDITIONAL([ENABLE_MINING],[test x$enable_mining = xyes])