Hi! Attaching a refined patch with more fine-grained x32 detection and updated for ghc 8.0.1.
Could you please apply it so we can enable ghc on the buildds for x32 again? Thanks, Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaub...@debian.org `. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
diff -Nru old/ghc-8.0.1/debian/patches/series new/ghc-8.0.1/debian/patches/series --- old/ghc-8.0.1/debian/patches/series 2016-11-01 16:05:20.000000000 +0100 +++ new/ghc-8.0.1/debian/patches/series 2016-11-05 06:25:08.308319129 +0100 @@ -10,3 +10,4 @@ no-pie find-tycon-panic compiler-cmm-PprC-sparc-alignment.patch +x32-use-native-x86_64-insn.patch diff -Nru old/ghc-8.0.1/debian/patches/x32-use-native-x86_64-insn.patch new/ghc-8.0.1/debian/patches/x32-use-native-x86_64-insn.patch --- old/ghc-8.0.1/debian/patches/x32-use-native-x86_64-insn.patch 1970-01-01 01:00:00.000000000 +0100 +++ new/ghc-8.0.1/debian/patches/x32-use-native-x86_64-insn.patch 2016-11-05 06:26:05.760389006 +0100 @@ -0,0 +1,25 @@ +Description: Use native x86_64 instructions on x32 + This patch enables a few native 64-bit integer instructions + on x32 which are available on this architecture despite using + 32-bit pointers. These instructions are present on x86_64 but + not on x86 and ghc checks the size of (void *) to determine + that. This method fails on x32 since despite using 32-bit + pointers and hence sizeof(void *) == 4, it still uses the + full x86_64 instruction set and software-emulated variants + of the aforementioned 64-bit integer instructions are + therefore not present in the toolchain which will make ghc + fail to build on x32. + See: https://ghc.haskell.org/trac/ghc/ticket/11571 + . + +--- ghc-8.0.1.orig/rts/RtsSymbols.c ++++ ghc-8.0.1/rts/RtsSymbols.c +@@ -737,7 +737,7 @@ + + + // 64-bit support functions in libgcc.a +-#if defined(__GNUC__) && SIZEOF_VOID_P <= 4 && !defined(_ABIN32) ++#if defined(__GNUC__) && SIZEOF_VOID_P <= 4 && !defined(_ABIN32) && !(defined(__x86_64__) && defined(__ILP32__)) + #define RTS_LIBGCC_SYMBOLS \ + SymI_NeedsProto(__divdi3) \ + SymI_NeedsProto(__udivdi3) \ diff -Nru old/ghc-8.0.1/debian/rules new/ghc-8.0.1/debian/rules --- old/ghc-8.0.1/debian/rules 2016-11-01 16:10:01.000000000 +0100 +++ new/ghc-8.0.1/debian/rules 2016-11-05 06:24:36.720280326 +0100 @@ -38,6 +38,10 @@ BUILD_HADDOCK_DOCS=YES DEB_HOOGLE_TXT_DIR = /usr/lib/ghc-doc/hoogle/ +ifeq (x32,$(DEB_HOST_ARCH)) + EXTRA_CONFIGURE_FLAGS += --enable-unregisterised +endif + %: dh $@ --with autotools-dev
