From 7191e8b810bfd07eced4a07027bd0e35be2acde5 Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Wed, 14 Mar 2001 23:38:34 +0000
Subject: [PATCH] Tweaks to PLIB version detection.

---
 src/Include/config.h.in | 2 +-
 src/Objects/obj.cxx     | 9 ++++-----
 src/Sound/soundmgr.cxx  | 4 ++--
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/Include/config.h.in b/src/Include/config.h.in
index f291938dd..b1c6758c2 100644
--- a/src/Include/config.h.in
+++ b/src/Include/config.h.in
@@ -39,7 +39,7 @@
 
    
 /* Define to enable plib joystick support (recommended) */
-#undef PLIB_AUDIO_IS_BROKEN
+#undef PLIB_1_2_X
 
    
 /* Define to eliminate all trace of debugging messages such as for a 
diff --git a/src/Objects/obj.cxx b/src/Objects/obj.cxx
index e18bfa9aa..71e03f281 100644
--- a/src/Objects/obj.cxx
+++ b/src/Objects/obj.cxx
@@ -32,11 +32,6 @@
 #include <stdio.h>
 #include <string.h>
 
-// #if defined ( __sun__ )
-// extern "C" void *memmove(void *, const void *, size_t);
-// extern "C" void *memset(void *, int, size_t);
-// #endif
-
 #include <simgear/compiler.h>
 #include <simgear/io/sg_binobj.hxx>
 
@@ -247,6 +242,7 @@ ssgBranch *fgGenTile( const string& path, FGTileEntry *t) {
 }
 
 
+#if defined ( PLIB_1_2_X )
 static float fgTriArea( sgVec3 p0, sgVec3 p1, sgVec3 p2 ) {
     /* 
        From comp.graph.algorithms FAQ
@@ -272,6 +268,9 @@ static float fgTriArea( sgVec3 p0, sgVec3 p1, sgVec3 p2 ) {
 
     return( sgAbs(sgScalarProductVec3( norm, sum )) * SG_HALF );
 }
+#else
+#  define fgTriArea(p0,p1,p2) sgTriArea(p0,p1,p2)
+#endif
 
 
 static void random_pt_inside_tri( float *res,
diff --git a/src/Sound/soundmgr.cxx b/src/Sound/soundmgr.cxx
index 24d3154b6..5a170e9a4 100644
--- a/src/Sound/soundmgr.cxx
+++ b/src/Sound/soundmgr.cxx
@@ -146,8 +146,8 @@ bool FGSoundMgr::remove( const string& refname ) {
 					NULL,
 					SL_VOLUME_ENVELOPE );
 
-#if defined ( PLIB_AUDIO_IS_BROKEN )
-	// if PLIB_AUDIO_IS_BROKEN, we can't reliably remove sounds
+#if defined ( PLIB_1_2_X )
+	// if PLIB_1_2_X, we can't reliably remove sounds
 	// that are currently being played. :-( So, let's just not
 	// remove them and return false.  The effects of this are that
 	// the sound sample will continue to finish playing (or
-- 
2.39.5