Index: Makefile
===================================================================
--- Makefile	(revision 483399)
+++ Makefile	(working copy)
@@ -20,21 +20,11 @@
 		tar:bzip2
 USE_XORG=	ice sm x11 xext xi xmu xt
 USE_GL=		gl glu glut
+LDFLAGS_mips=	-losgDB
+LDFLAGS_mips64=	-losgDB
+LDFLAGS_powerpc64=	-losgDB
+LDFLAGS_powerpc=	-losgDB
+LDFLAGS_powerpcspe=	-losgDB
+LDFLAGS_sparc64=	-losgDB
 
-.include <bsd.port.pre.mk>
-
-# Needs Clang 4.0+ to build, see:
-# https://sourceforge.net/p/flightgear/codetickets/2015/
-.if ${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 40
-BUILD_DEPENDS+=	${LOCALBASE}/bin/clang40:devel/llvm40
-CPP=	${LOCALBASE}/bin/clang-cpp40
-CC=	${LOCALBASE}/bin/clang40
-CXX=	${LOCALBASE}/bin/clang++40
-.endif
-
-# Work around "'to_string' is not a member of 'std'" when building with Gcc < 6
-.if ${COMPILER_TYPE} == gcc && ${COMPILER_VERSION} < 60
-CFLAGS+=	-D_GLIBCXX_USE_C99
-.endif
-
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>