Index: devel/ace/Makefile
===================================================================
--- devel/ace/Makefile
+++ devel/ace/Makefile
@@ -19,10 +19,10 @@
 
 BROKEN_aarch64=		Fails to link: missing sbrk
 BROKEN_powerpc=		Does not compile on ${ARCH}
-BROKEN_powerpc64=	Does not build on ${ARCH}: undefined reference to fmodl
 BROKEN_sparc64=		Does not compile on ${ARCH}
 
-USES=		gmake localbase:ldflags perl5 pkgconfig shebangfix tar:bzip2
+USES=		compiler:c++11-lang gmake localbase:ldflags perl5 pkgconfig \
+		shebangfix tar:bzip2
 USE_PERL5=	build
 SHEBANG_FILES=	bin/*.pl MPC/*.pl
 MAKE_ENV=	LD_LIBRARY_PATH="${WRKSRC}/lib" ACE_ROOT="${WRKSRC}" \