--- a/make/solaris.mk	Tue Nov 10 21:18:51 2015 +0100
+++ b/make/solaris.mk	Tue Feb 09 22:53:59 2016 +0100
@@ -28,7 +28,7 @@
 
 
 # compiler and linker flags
-CFLAGS += -DSOLARIS
+CFLAGS += -DSOLARIS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS
 LDFLAGS += -lsocket -lnsl -lsendfile -lposix4 -lpthread -ldl -lm -lldap
 
 #PLUGINS = java