Add -pthread where needed.

Spotted by:	steve

net/zebra-server/Makefile

@@ -17,6 +17,7 @@ LIB_DEPENDS=	yaz.1:${PORTSDIR}/net/yaz
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-yazconfig=${LOCALBASE}/bin
+CONFIGURE_ENV+=	PTHREAD_LIBS=${PTHREAD_LIBS}
 
 post-install:
 .if !defined(NOPORTDOCS)

net/zebra-server/files/patch-configure

@@ -1,5 +1,5 @@
---- configure.orig	Sun Dec 23 14:38:47 2001
-+++ configure	Sun Dec 23 14:39:02 2001
+--- configure.orig	Thu Oct 25 17:24:18 2001
++++ configure	Wed Dec 26 11:41:58 2001
 @@ -794,7 +794,7 @@
  EOF
  
@@ -9,3 +9,11 @@
  
  VERSION=1.1
  
+@@ -2005,6 +2005,7 @@
+ s%@DEFS@%$DEFS%g
+ s%@LDFLAGS@%$LDFLAGS%g
+ s%@LIBS@%$LIBS%g
++s%@PTHREAD_LIBS@%$PTHREAD_LIBS%g
+ s%@exec_prefix@%$exec_prefix%g
+ s%@prefix@%$prefix%g
+ s%@program_transform_name@%$program_transform_name%g

net/zebra-server/files/patch-dfa-Makefile.in

@@ -0,0 +1,11 @@
+--- dfa/Makefile.in.orig	Wed Dec 26 11:44:33 2001
++++ dfa/Makefile.in	Wed Dec 26 11:45:00 2001
+@@ -78,7 +78,7 @@
+ noinst_PROGRAMS = agrep lexer grepper
+ 
+ INCLUDES = -I$(srcdir)/../include @YAZINC@
+-LDADD = libdfa.a ../util/libutil.a @YAZLIB@ @LIBS@
++LDADD = libdfa.a ../util/libutil.a @YAZLIB@ @LIBS@ @PTHREAD_LIBS@
+ 
+ agrep_SOURCES = agrep.c
+ 

net/zebra-server/files/patch-util-Makefile.in

@@ -0,0 +1,11 @@
+--- util/Makefile.in.orig	Wed Dec 26 11:42:17 2001
++++ util/Makefile.in	Wed Dec 26 11:42:51 2001
+@@ -108,7 +108,7 @@
+ CFLAGS = @CFLAGS@
+ COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+ CCLD = $(CC)
+-LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
++LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) @PTHREAD_LIBS@ -o $@
+ DIST_COMMON =  Makefile.am Makefile.in
+ 
+