Fix build on 5.x and fix build with new X headers.

Reported by:	pointyhat via kris

math/oleo/Makefile

@@ -47,10 +47,6 @@ PLIST_SUB=	NLS=""
 
 .include <bsd.port.pre.mk>
 
-.if ${OSVERSION} >= 502112
-BROKEN=		"Does not compile on FreeBSD >= 5.x"
-.endif
-
 pre-everything::
 .if !defined(WITH_MOTIF)
 	@${ECHO_MSG}

math/oleo/files/patch-src::eval.c

@@ -1,6 +1,19 @@
---- src/eval.c.org	Sat Jul 19 13:42:11 2003
-+++ src/eval.c	Sat Jul 19 13:47:43 2003
-@@ -565,7 +565,7 @@
+--- src/eval.c.orig	Wed Jul 14 23:06:00 2004
++++ src/eval.c	Wed Jul 14 23:11:06 2004
+@@ -78,7 +78,11 @@
+ RETSIGTYPE math_sig ();
+ #endif
+ 
+-int fls (long);
++#if __FreeBSD_version < 502112
++int local_fls (long);
++#define fls local_fls
++#endif
++
+ #ifdef SMALLEVAL
+ int __to_flt (struct value *);
+ int __to_int (struct value *);
+@@ -565,7 +569,7 @@
  	case CONST_NINF:
  	case CONST_NAN:
  	  p->type = TYP_FLT;
@@ -9,3 +22,12 @@
  	  break;
  
  	case VAR:
+@@ -1540,7 +1544,7 @@
+ }
+ 
+ int
+-fls (num)
++local_fls (num)
+      long num;
+ {
+   int ret = 1;

math/oleo/files/patch-src::io-x11.c

@@ -0,0 +1,10 @@
+--- src/io-x11.c.orig	Wed Jul 14 23:14:24 2004
++++ src/io-x11.c	Wed Jul 14 23:14:28 2004
+@@ -34,7 +34,6 @@
+ #include <stdio.h>
+ #include <ctype.h>
+ #include <sys/param.h>
+-#define NeedFunctionPrototypes 0
+ #include <X11/X.h>
+ #include <X11/Xlib.h>
+ #include <X11/Xutil.h>

math/oleo/files/patch-src::xrdb.c

@@ -0,0 +1,10 @@
+--- src/xrdb.c.orig	Wed Jul 14 23:30:28 2004
++++ src/xrdb.c	Wed Jul 14 23:30:29 2004
+@@ -57,7 +57,6 @@
+ /* This should be included before the X include files; otherwise, we get
+    warnings about redefining NULL under BSD 4.3.  */
+ #include <sys/param.h>
+-#define NeedFunctionPrototypes 0
+ #include <X11/X.h>
+ #include <X11/Xlib.h>
+ #include <X11/Xutil.h>