Upgraded to Bullet 2.74. The upgrade introduced a few bugs, which need to be fixed before Blender 2.49.

In particular, the Bullet vehicle seems broken, and some soft-body demos don't work.
No new features or benefits are added yet, but a few improvements are planned before Blender 2.49 release.

Please update the build systems, and add those 3 files:
extern/bullet2/src/BulletCollision/CollisionDispatch/btActivatingCollisionAlgorithm.cpp
extern/bullet2/src/BulletCollision/CollisionDispatch/btGhostObject.cpp
extern/bullet2/src/BulletCollision/CollisionShapes/btConvexPointCloudShape.cpp

I'll watch the Blender mailing list, in case this commit causes some issues.

1 files changed, 3 insertions, 3 deletions

diff --git a/extern/bullet2/src/BulletCollision/Gimpact/btContactProcessing.cpp b/extern/bullet2/src/BulletCollision/Gimpact/btContactProcessing.cpp
index faba2d8a542..c3b697bdd1e 100644
--- a/extern/bullet2/src/BulletCollision/Gimpact/btContactProcessing.cpp
+++ b/extern/bullet2/src/BulletCollision/Gimpact/btContactProcessing.cpp
@@ -103,12 +103,12 @@ void btContactArray::merge_contacts(
 
 	push_back(contacts[keycontacts[0].m_value]);
 
-	BT_CONTACT * pcontact = &(*this)[0];
+	GIM_CONTACT * pcontact = &(*this)[0];
 
 	for( i=1;i<keycontacts.size();i++)
 	{
 	    key = keycontacts[i].m_key;
-		const BT_CONTACT * scontact = &contacts[keycontacts[i].m_value];
+		const GIM_CONTACT * scontact = &contacts[keycontacts[i].m_value];
 
 		if(last_key ==  key)//same points
 		{
@@ -158,7 +158,7 @@ void btContactArray::merge_contacts_unique(const btContactArray & contacts)
 		return;
 	}
 
-	BT_CONTACT average_contact = contacts[0];
+	GIM_CONTACT average_contact = contacts[0];
 
 	for (int i=1;i<contacts.size() ;i++ )
 	{