Update the disabled ghc package

disabled-packages/ghc/build.sh

@@ -2,11 +2,6 @@
 #     https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Linux
 # and
 #     https://github.com/neurocyte/ghc-android
-#
-# Status: Currently fails at "error: cannot find -lpthread"
-#         right after message about building bin/hpc.
-#         As libpthread does not exist on Android (pthread
-#         is built into libc, this needs to be patched away.
 TERMUX_PKG_HOMEPAGE=https://www.haskell.org/ghc/
 TERMUX_PKG_DESCRIPTION="The Glasgow Haskell Compilation system"
 TERMUX_PKG_VERSION=8.0.1
@@ -18,26 +13,28 @@ TERMUX_PKG_DEPENDS="clang, ncurses"
 
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--with-iconv-includes=$TERMUX_PREFIX/include -with-iconv-libraries=$TERMUX_PREFIX/lib"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-curses-includes=$TERMUX_PREFIX/include/ncursesw -with-curses-libraries=$TERMUX_PREFIX/lib"
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --host=${TERMUX_HOST_PLATFORM}"
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --target=${TERMUX_HOST_PLATFORM}"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --host=x86_64-unknown-linux --build=x86_64-unknown-linux"
 
-ORIG_CFLAGS="$CFLAGS"
-ORIG_CPPFLAGS="$CPPFLAGS"
-ORIG_LDFLAGS="$LDFLAGS"
+termux_step_post_extract_package() {
+	ORIG_CFLAGS="$CFLAGS"
+	ORIG_CPPFLAGS="$CPPFLAGS"
+	ORIG_LDFLAGS="$LDFLAGS"
 
-unset AR
-unset AS
-unset CC
-export CFLAGS=""
-unset CPP
-export CPPFLAGS=""
-unset CXXFLAGS
-unset CXX
-export LDFLAGS=""
-unset LD
-unset PKG_CONFIG
-unset RANLIB
+	unset AR
+	unset AS
+	unset CC
+	export CFLAGS=""
+	unset CPP
+	export CPPFLAGS=""
+	unset CXXFLAGS
+	unset CXX
+	export LDFLAGS=""
+	unset LD
+	unset PKG_CONFIG
+	unset RANLIB
+
+	TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --target=${TERMUX_HOST_PLATFORM}"
+}
 
 termux_step_pre_configure () {
 	echo "INTEGER_LIBRARY = integer-simple" > mk/build.mk

disabled-packages/ghc/compiler-main-DriverPipeline.hs.patch

@@ -0,0 +1,15 @@
+diff -u -r ../ghc-8.0.1/compiler/main/DriverPipeline.hs ./compiler/main/DriverPipeline.hs
+--- ../ghc-8.0.1/compiler/main/DriverPipeline.hs	2016-05-16 13:08:53.000000000 -0400
++++ ./compiler/main/DriverPipeline.hs	2016-09-07 03:37:48.321941122 -0400
+@@ -1831,10 +1831,7 @@
+          | WayThreaded `elem` ways dflags =
+             let os = platformOS (targetPlatform dflags)
+             in if os == OSOsf3 then ["-lpthread", "-lexc"]
+-               else if os `elem` [OSMinGW32, OSFreeBSD, OSOpenBSD,
+-                                  OSNetBSD, OSHaiku, OSQNXNTO, OSiOS, OSDarwin]
+-               then []
+-               else ["-lpthread"]
++               else []
+          | otherwise               = []
+ 
+     rc_objs <- maybeCreateManifest dflags output_fn

disabled-packages/ghc/configure.patch

@@ -6,7 +6,7 @@ diff -u -r ../ghc-8.0.1/configure ./configure
  # versions of LLVM simultaneously, but that stopped working around
  # 3.5/3.6 release of LLVM.
 -LlvmVersion=3.7
-+LlvmVersion=3.8
++LlvmVersion=3.9
  
  sUPPORTED_LLVM_VERSION=$(echo \($LlvmVersion\) | sed 's/\./,/')