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{ stdenv, fetchurl, ghc, perl, gmp, ncurses, binutils }:
let
# The "-Wa,--noexecstack" options might be needed only with GNU ld (as opposed
# to the gold linker). It prevents binaries' stacks from being marked as
# executable, which fails to run on a grsecurity/PaX kernel.
ghcFlags = "-optc-Wa,--noexecstack -opta-Wa,--noexecstack";
cFlags = "-Wa,--noexecstack";
in stdenv.mkDerivation rec {
version = "7.6.3";
name = "ghc-${version}";
src = fetchurl {
url = "http://haskell.org/ghc/dist/${version}/${name}-src.tar.bz2";
sha256 = "1669m8k9q72rpd2mzs0bh2q6lcwqiwd1ax3vrard1dgn64yq4hxx";
};
buildInputs = [ ghc perl gmp ncurses ];
buildMK = ''
libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp}/lib"
libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp}/include"
'' + stdenv.lib.optionalString stdenv.isLinux ''
# Set ghcFlags for building ghc itself
SRC_HC_OPTS += ${ghcFlags}
SRC_CC_OPTS += ${cFlags}
'';
preConfigure = ''
echo "${buildMK}" > mk/build.mk
sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
'' + stdenv.lib.optionalString stdenv.isLinux ''
# Set ghcFlags for binaries that ghc builds
sed -i -e 's|"\$topdir"|"\$topdir" ${ghcFlags}|' ghc/ghc.wrapper
'' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
export NIX_LDFLAGS="$NIX_LDFLAGS -rpath $out/lib/ghc-${version}"
'';
configureFlags = "--with-gcc=${stdenv.gcc}/bin/gcc";
postInstall = ''
# ghci uses mmap with rwx protection at it implements dynamic
# linking on its own. See:
# - https://bugs.gentoo.org/show_bug.cgi?id=299709
# - https://ghc.haskell.org/trac/ghc/ticket/4244
# Therefore, we have to pax-mark the resulting binary.
# Haddock also seems to run with ghci, so mark it as well.
paxmark m $out/lib/${name}/{ghc,haddock}
'';
# required, because otherwise all symbols from HSffi.o are stripped, and
# that in turn causes GHCi to abort
stripDebugFlags=["-S" "--keep-file-symbols"];
meta = {
homepage = "http://haskell.org/ghc";
description = "The Glasgow Haskell Compiler";
maintainers = [
stdenv.lib.maintainers.marcweber
stdenv.lib.maintainers.andres
stdenv.lib.maintainers.simons
];
inherit (ghc.meta) license platforms;
};
}
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