devel/llvm doesn't build on powerpc and has now been marked broken. IIUC, skipping ports-clang would unlock a bunch of ports:
sqlite> select count(1) from ports where compiler like '%ports-gcc%ports-clang%'; 10 sqlite> select count(1) from ports where compiler like '%ports-clang%ports-gcc%'; 235 While here, tweak the comment, as the list should now be accurate. ok? Index: arch-defines.mk =================================================================== RCS file: /d/cvs/ports/infrastructure/mk/arch-defines.mk,v retrieving revision 1.45 diff -u -p -p -u -r1.45 arch-defines.mk --- arch-defines.mk 26 Oct 2017 19:40:32 -0000 1.45 +++ arch-defines.mk 22 Nov 2017 19:20:45 -0000 @@ -32,8 +32,8 @@ CLANG_ARCHS = aarch64 amd64 i386 LLD_ARCHS = aarch64 # arches where ports devel/llvm builds - populates llvm ONLY_FOR_ARCHS -# as well as available for PROPERTIES checks. XXX list currently inaccurate -LLVM_ARCHS = aarch64 amd64 arm i386 powerpc mips64 mips64el sparc64 +# as well as available for PROPERTIES checks. +LLVM_ARCHS = aarch64 amd64 arm i386 mips64 mips64el sparc64 # arches where gcc4.9 exists. To be used again for modules GCC49_ARCHS =amd64 arm hppa i386 mips64 mips64el powerpc sparc64 -- jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE