void-packages/srcpkgs/cross-x86_64-w64-mingw32/template

_binutils_version=2.29.1
_gcc_version=7.3.0
_gmp_version=6.1.2
_mpfr_version=4.0.0
_mpc_version=1.1.0
_isl_version=0.16.1
_mingw_version=5.0.4

pkgname=cross-x86_64-w64-mingw32
version=${_mingw_version}
revision=1
short_desc="Cross toolchain for Win64"
maintainer="Aleksey Tulinov <aleksey.tulinov@gmail.com>"
homepage="https://sourceforge.net/projects/mingw-w64/"
license="LGPL-3, GPL-3, ZPL"

distfiles="
 https://ftp.gnu.org/gnu/binutils/binutils-${_binutils_version}.tar.bz2
 https://ftp.gnu.org/gnu/gcc/gcc-${_gcc_version}/gcc-${_gcc_version}.tar.xz
 https://gmplib.org/download/gmp/gmp-${_gmp_version}.tar.xz
 http://www.mpfr.org/mpfr-${_mpfr_version}/mpfr-${_mpfr_version}.tar.xz
 https://ftp.gnu.org/gnu/mpc/mpc-${_mpc_version}.tar.gz
 http://isl.gforge.inria.fr/isl-${_isl_version}.tar.bz2
 https://sourceforge.net/projects/mingw-w64/files/mingw-w64/mingw-w64-release/mingw-w64-v${_mingw_version}.tar.bz2"
checksum="
 1509dff41369fb70aed23682351b663b56db894034773e6dbf7d5d6071fc55cc
 832ca6ae04636adbb430e865a1451adf6979ab44ca1c8374f61fba65645ce15c
 87b565e89a9a684fe4ebeeddb8399dce2599f9c9049854ca8c0dfbdea0e21912
 fbe2cd1418b321f5c899ce4f0f0f4e73f5ecc7d02145b0e1fd096f5c3afb8a1d
 6985c538143c1208dcb1ac42cedad6ff52e267b47e5f970183a3e75125b43c2e
 412538bb65c799ac98e17e8cfcdacbb257a57362acfaaff254b0fcae970126d2
 5527e1f6496841e2bb72f97a184fc79affdcd37972eaa9ebf7a5fd05c31ff803"

create_wrksrc=yes
hostmakedepends="perl flex"
makedepends="zlib-devel"
nostrip=yes
nopie=yes
nodebug=yes

# https://sourceforge.net/p/mingw-w64/wiki2/Cross%20Win32%20and%20Win64%20compiler/
# https://gcc.gnu.org/install/configure.html
# http://mingw-w64.org/doku.php/configure

_binutils_build() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-binutils-${_target}"

	msg_normal "Building binutils: ${_target}\n"

	mkdir -p ${_builddir} && cd ${_builddir}

	../binutils-${_binutils_version}/configure \
		--prefix="/usr" \
		--with-sysroot=${_sysroot} \
		--target=${_target} \
		--disable-multilib \
		--disable-shared \
		--disable-nls \
		--disable-werror \
		--enable-lto \
		--with-system-zlib

	make && make install
}

_mingw_headers() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-mingw-headers-${_target}"

	msg_normal "Building MinGW headers: ${_target}\n"

	mkdir -p ${_builddir} && cd ${_builddir}

	../mingw-w64-v${_mingw_version}/mingw-w64-headers/configure \
		--prefix=${_sysroot} \
		--host=${_target} \
		--enable-secure-api \
		--enable-sdk=all

	make && make install

	# manually create required symlinks
	(cd ${_sysroot} && ln -sfT "." "mingw")
	(cd ${_sysroot} && ln -sf "lib" "lib64")
}

_gcc_bootstrap() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-gcc-${_target}"

	msg_normal "Building GCC bootsrap: ${_target}\n"

	ln -sf ${wrksrc}/"gmp-${_gmp_version}" ${wrksrc}/"gcc-${_gcc_version}/gmp"
	ln -sf ${wrksrc}/"mpc-${_mpc_version}" ${wrksrc}/"gcc-${_gcc_version}/mpc"
	ln -sf ${wrksrc}/"mpfr-${_mpfr_version}" ${wrksrc}/"gcc-${_gcc_version}/mpfr"
	ln -sf ${wrksrc}/"isl-${_isl_version}" ${wrksrc}/"gcc-${_gcc_version}/isl"

	mkdir -p ${_builddir} && cd ${_builddir}

	../gcc-${_gcc_version}/configure \
		--prefix="/usr" \
		--with-sysroot=${_sysroot} \
		--target=${_target} \
		--disable-nls \
		--disable-multilib \
		--disable-gcov \
		--enable-lto \
		--enable-shared \
		--enable-static \
		--enable-threads=posix \
		--with-system-zlib \
		--enable-languages=c,c++,lto

	make all-gcc && make install-gcc
}

_mingw_crt_build() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-mingw-crt-${_target}"

	msg_normal "Building MinGW CRT: ${_target}\n"

	if [ ${_target} == "i686-w64-mingw32" ]; then
		_crt_configure_args="--disable-lib64 --enable-lib32"
	elif [ ${_target} == "x86_64-w64-mingw32" ]; then
		_crt_configure_args="--disable-lib32 --enable-lib64"
	fi

	mkdir -p ${_builddir} && cd ${_builddir}

	CC="${_target}-gcc" \
	CPP="${_target}-gcc -E"
	AR="${_target}-ar" \
	RANLIB="${_target}-ranlib" \
	AS="${_target}-as" \
	STRIP="${_target}-strip" \
	OBJDUMP="${_target}-objdump" \
	WINDRES="${_target}-windres" \
	../mingw-w64-v${_mingw_version}/mingw-w64-crt/configure \
		--prefix=${_sysroot} \
		--host=${_target} \
		${_crt_configure_args}

	make && make install
}

_mingw_winpthreads_build() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-mingw-winpthreads-${_target}"

	msg_normal "Building MinGW winpthreads: ${_target}\n"

	mkdir -p ${_builddir} && cd ${_builddir}

	CC="${_target}-gcc" \
	CPP="${_target}-gcc -E"
	AR="${_target}-ar" \
	RANLIB="${_target}-ranlib" \
	AS="${_target}-as" \
	STRIP="${_target}-strip" \
	OBJDUMP="${_target}-objdump" \
	WINDRES="${_target}-windres" \
	../mingw-w64-v${_mingw_version}/mingw-w64-libraries/winpthreads/configure \
		--prefix=${_sysroot} \
		--host=${_target} \
		--enable-static \
		--enable-shared

	make && make install
}

_gcc_build() {
	_target=$1
	_sysroot="/usr/${_target}"
	_builddir=${wrksrc}/"build-gcc-${_target}"

	msg_normal "Building GCC: ${_target}\n"

	cd ${_builddir}

	# should be already configured previously
	# no need for install since this is the last step
	make
}

_build_cross() {
	_target=$1

	_binutils_build ${_target}
	_mingw_headers ${_target}
	_gcc_bootstrap ${_target}
	_mingw_crt_build ${_target}
	_mingw_winpthreads_build ${_target}
	_gcc_build ${_target}
}

do_build() {
	(_build_cross "x86_64-w64-mingw32")
	(_build_cross "i686-w64-mingw32")
}

_install_cross() {
	_target=$1

	(cd ${wrksrc}/"build-binutils-${_target}" && DESTDIR="$DESTDIR" make install)
	(cd ${wrksrc}/"build-gcc-${_target}" && DESTDIR="$DESTDIR" make install)
	(cd ${wrksrc}/"build-mingw-headers-${_target}" && DESTDIR="$DESTDIR" make install)
	(cd ${wrksrc}/"build-mingw-crt-${_target}" && DESTDIR="$DESTDIR" make install)
	(cd ${wrksrc}/"build-mingw-winpthreads-${_target}" && DESTDIR="$DESTDIR" make install)

	vlicense ${wrksrc}/"mingw-w64-v${_mingw_version}/COPYING" ZPL
}

do_install() {
	_install_cross "x86_64-w64-mingw32"
	# i686 version will be installed in subpackage (below)
}

_clean_cross() {
	_target=$1

	rm -rf /usr/${_target}
	rm -f  /usr/bin/${_target}*
	rm -rf /usr/lib/gcc/${_target}
	rm -rf /usr/libexec/gcc/${_target}
}

do_clean() {
	_clean_cross "x86_64-w64-mingw32"
	_clean_cross "i686-w64-mingw32"
}

cross-i686-w64-mingw32_package() {
	short_desc="Cross toolchain for Win32"
	nostrip=yes
	nopie=yes
	nodebug=yes

	pkg_install() {
		DESTDIR="$PKGDESTDIR" _install_cross "i686-w64-mingw32"
	}
}