#-*-mode: Shell-script; coding: utf-8;-*-
# Maintainer: Mitch Tishmack <mitch.tishmack@gmail.com>
pkgname=ghc
pkgver=8.0.2
pkgrel=1
pkgdesc="The Glasgow Haskell Compiler"
url="http://haskell.org"
subpackages="$pkgname-doc $pkgname-dev"
arch="x86_64"
builddir="$srcdir/$pkgname-$pkgver"
source="http://downloads.haskell.org/~ghc/${pkgver}/ghc-${pkgver}-src.tar.xz
	0001-rm-ghc-pwd.patch
	0002-Correct-issue-with-libffi-and-glibc.patch
	0003-do-not-use-SHELL.patch
	0004-reproducible-tmp-names.patch
	0005-buildpath-abi-stability.patch
	0006-fix-madvise.patch
	"

# Note ghc's license is basically bsd3. If you'd like to know more visit:
# https://www.haskell.org/ghc/license
# https://ghc.haskell.org/trac/ghc/wiki/Licensing
#
# Note also that ghc is sensitive to the version of llvm used, hence the
# llvm3.7 package.
#
# Ref: https://ghc.haskell.org/trac/ghc/wiki/Status/GHC-8.0.1
#      https://ghc.haskell.org/trac/ghc/wiki/ImprovedLLVMBackend
license="custom:bsd3"

# Note, gcc supports --no-pie on alpine linux 3.5+ only. We test for
# that version as it greatly simplifies the apkbuild process. The
# apks built on 3.5 will not work on any prior version of alpine linux.
depends="gmp-dev perl gcc>=6.2.1 llvm3.7"
provides="ghc-bootstrap=$pkgver-r$pkgrel
	haskell-cabal=1.24.2.0
	haskell-bytestring=0.10.8.1
	haskell-containers=0.5.7.1
	haskell-deepseq=1.4.2.0
	haskell-directory=1.3.0.0
	haskell-filepath=1.4.1.1
	haskell-ghc=8.0.2
	haskell-ghc-boot=8.0.2
	haskell-ghc-boot-th=8.0.2
	haskell-ghc-prim=0.5.0.0
	haskell-ghci=8.0.2
	haskell-haskeline=0.7.3.0
	haskell-hoopl=3.10.2.1
	haskell-hpc=0.6.0.3
	haskell-integer-gmp=1.0.0.1
	haskell-pretty=1.1.3.3
	haskell-process=1.4.3.0
	haskell-rts=1.0
	haskell-template-haskell=2.11.1.0
	haskell-terminfo=0.4.0.2
	haskell-time=1.6.0.1
	haskell-transformers=0.5.2.0
	haskell-unix=2.7.2.1
	haskell-xhtml=3000.2.1
	"
install="$pkgname.post-install"

# ghc build dependencies
makedepends="
	$depends
	autoconf
	cpio
	linux-headers
	musl-dev
	ncurses-dev
	libffi-dev
	zlib-dev
	binutils-dev
	binutils-gold
	paxmark
	ghc-bootstrap
	"

build() {
	cd "$builddir"
	cp mk/build.mk.sample mk/build.mk || return 1
	cat >> mk/build.mk <<-EOF
	BuildFlavour         = perf-llvm
	INTEGER_LIBRARY      = integer-gmp
	BeConservative       = YES
	V                    = 0
	GhcStage3HcOpts     += -O3
	SplitSections        = YES
	EOF

	# Due to patches to the configure script
	autoreconf || return 1

	./configure \
		--prefix=/usr \
		--with-ld=ld.gold || return 1
	make || return 1
}

doc() {
	default_doc
	install -Dm644 "$builddir/LICENSE" "$subpkgdir/usr/share/licenses/$subpkgname/LICENSE" || return 1
}

package() {
	cd "$builddir"
	make -j1 DESTDIR="$pkgdir" install || return 1
	# Can't do a full strip on archives.
	find "$pkgdir" -type f \( -name "*.so" -o -name "*.a" \) -exec strip --strip-unneeded {} \;
	find "$pkgdir/usr/lib/ghc-$pkgver/bin" -type f -exec strip {} \;
	paxmark -m "$pkgdir/usr/lib/ghc-$pkgver/bin/ghc"
	paxmark -m "$pkgdir/usr/lib/ghc-$pkgver/bin/ghc-iserv"
	paxmark -m "$pkgdir/usr/lib/ghc-$pkgver/bin/ghc-iserv-dyn"
	paxmark -m "$pkgdir/usr/lib/ghc-$pkgver/bin/ghc-iserv-prof"
}

dev() {
	# Like debian, we split apart the profiled archives/etc...
	# This drastically reduces the install size of the ghc pkg.
	cd "${pkgdir}" || return 1
	install -dm755 "${subpkgdir}" || return 1
	local PFILES=$(find . \( -type f -o -type l \) \( -name "*.p_*" -o -name "lib*_p.a" \))
	echo "${PFILES}" | cpio -pamVd "${subpkgdir}" || return 1
	echo "${PFILES}" | xargs rm -fr || return 1
}

sha512sums="58ea3853cd93b556ecdc4abd0be079b2621171b8491f59004ea4e036a4cba4470aaafe6591b942e0a50a64bdc47540e01fe6900212a1ef7087850112d9bfc5ef  ghc-8.0.2-src.tar.xz
128eece1b103f286b915a1563a628b638f03509d18cdb2e6510957d26eb56a4ae66e33c946c0e6c2aac2f947b9646dc88c1f390c69ea21f9dc64e0bef4de4e97  0001-rm-ghc-pwd.patch
6f90b0de1e34c286e54ef14514ffabe17f9012fbc5448b4aacb3687aac065942e0a3a2c1c57b6338121140369a8870b4ce2a6b355c83c43344d4de8909a253a4  0002-Correct-issue-with-libffi-and-glibc.patch
59194e6994c8344c579ec16c3adf3e0cdc7c356b524b12f8b10ec940191463d686782e525537c94ffa8e1bf9efcc36a2b3da3004183586ab0e354ab0a7036e0a  0003-do-not-use-SHELL.patch
b5a5e73a2f01c0cabc96a49776d0d0f3d1d7a10759bb0b2982e7c7f6dc525d0559c0183ee779feb77ec6f2cec3bac17c1a5ba4c3bc0c6f780dfc1ed3dcf6c80e  0004-reproducible-tmp-names.patch
e1c2cef06d307eda4b35521204e95eb54ace5dbcd22de659e95356f884b4424d6304365e4ab45c5116192cba4c095e2e91114bc7cb73d7c7173a7035287d0854  0005-buildpath-abi-stability.patch
478f9c9990ee01b70e88daf97138f853816d862731a02e9286ad787845dcb40c1443a30520598d805d0ff7cea8c3d604ed5d9033dbe8e572e8a85911ee739ff7  0006-fix-madvise.patch"