Initial bullet physics support

1 files changed, 69 insertions, 13 deletions

diff --git a/configure.in b/configure.in
index 74551a2..a66fb24 100644
--- a/configure.in
+++ b/configure.in
@@ -229,6 +229,52 @@ AC_SUBST(CURSES_CFLAGS)
 AC_SUBST(CURSES_LIBS)
 
 dnl ----------------------------------------------------------------
+dnl bullet
+dnl
+
+HAVE_BULLET=no
+
+AC_ARG_WITH(bullet,
+        AC_HELP_STRING([--with-bullet=DIR],
+                [use the bullet physics library in DIR (read the documentation)]
+        )
+)
+
+if test "x${with_bullet}" != "xno"; then
+	save_CPPFLAGS="$CPPFLAGS"
+	save_LDFLAGS="$LDFLAGS"
+
+	AC_MSG_CHECKING(for bullet directory)
+
+	BULLET_DIR="/usr/local"
+	if test "x${with_bullet}" != "x"; then
+		BULLET_DIR="${with_bullet}"
+	fi
+	AC_MSG_RESULT([$BULLET_DIR])
+
+	BULLET_CFLAGS="-I${BULLET_DIR}/include/bullet"
+	BULLET_LIBS="-L${BULLET_DIR}/lib"
+
+	CPPFLAGS="$save_CPPFLAGS $BULLET_CFLAGS"
+	LDFLAGS="$save_LDFLAGS $BULLET_LIBS"
+
+	AC_CHECK_HEADER(btBulletDynamicsCommon.h,
+		AC_DEFINE(HAVE_BULLET, yes, [Define this if you have the bullet physics library])
+		BULLET_LIBS="$BULLET_LIBS -lbulletmath -lbulletdynamics -lbulletcollision"
+		HAVE_BULLET="yes",
+		BULLET_LIBS=""
+		BULLET_CFLAGS=""
+		HAVE_BULLET="no"
+	)
+
+	CPPFLAGS="$save_CPPFLAGS"
+	LDFLAGS="$save_LDFLAGS"
+fi
+
+AC_SUBST(BULLET_CFLAGS)
+AC_SUBST(BULLET_LIBS)
+
+dnl ----------------------------------------------------------------
 dnl zlib
 dnl
 
@@ -392,6 +438,9 @@ fi
 CXXFLAGS="-pipe $DEBUG_CFLAGS $WARN_CFLAGS $CXXFLAGS"
 AC_SUBST(CXXFLAGS)
 
+CPPFLAGS="$CPPFLAGS $BULLET_CFLAGS"
+AC_SUBST(CPPFLAGS)
+
 dnl ---------------------------------------------------------------
 dnl   Installation paths
 
@@ -442,20 +491,27 @@ AC_MSG_RESULT([
 Project::OSiRiON $VERSION
 
 Configuration summary:
-	platform ........... $host
-	flags .............. $CXXFLAGS
-	libraries .......... $HOST_LIBS $LIBJPG_LIBS $LIBPNG_LIBS
-	curses ............. $HAVE_CURSES
-	build client ....... $BUILD_CLIENT
-	SDL .................$LIBSDL_LIBS
-	opengl ............. $GL_LIBS
-	openal ............. $AL_LIBS
 
+platform ........... $host
+flags .............. $CPPFLAGS $CXXFLAGS
+libraries .......... $HOST_LIBS $LIBJPG_LIBS $LIBPNG_LIBS $CURSES_LIBS $BULLET_LIBS
+curses ............. $HAVE_CURSES
+bullet ............. $HAVE_BULLET
+build client ....... $BUILD_CLIENT])
+
+if test "x$BUILD_CLIENT" = xyes; then
+AC_MSG_RESULT([SDL .................$LIBSDL_LIBS
+opengl ............. $GL_LIBS
+openal ............. $AL_LIBS])
+fi
+
+AC_MSG_RESULT([
 Installation directories:
-	installation type .. $INSTALLTYPE
-	prefix ............. $prefix
-	binaries ........... $bindir
-	documentation ...... $docdir
-	game data .......... $PACKAGE_DATADIR
+
+installation type .. $INSTALLTYPE
+prefix ............. $prefix
+binaries ........... $bindir
+documentation ...... $docdir
+game data .......... $PACKAGE_DATADIR
 ])