# $Id$

PNAME="python3"
PVER="3.7.1"
PBUILD="r4"

PCAT="dev-lang"

DESCRIPTION="Python is an interpreted, interactive, object-oriented programming language."
HOMEPAGE="http://www.python.org/"

DEPEND_x86_64=">= sys-apps/multiarch-wrapper-1"
SPECIAL_VARS="DEPEND_x86_64"

DEPEND="$(marchdepend)
	>= virtual/glibc
	>= sys-libs/ncurses-6.0
	>= sys-libs/zlib-1.2
	>= dev-libs/expat-2
	>= dev-libs/openssl-1.1
	>= dev-db/db-6.2
	>= dev-db/sqlite-3.9
	>= app-arch/bzip2-1.0.6
	>= dev-libs/libffi-3.3
	>= app-arch/xz-utils-5.2"

# util-linux for linux32/64
SDEPEND=">= virtual/sed
	>= sys-apps/util-linux-2.29.2
	>= sys-libs/ncurses-dev-6.0
	>= sys-libs/zlib-dev-1.2
	>= dev-libs/expat-dev-2
	>= dev-libs/openssl-dev-1.1
	>= dev-db/db-dev-6.2
	>= dev-libs/libffi-dev-3.2
	>= app-arch/bzip2-dev-1.0.6
	>= sys-apps/util-linux-dev-2.29.2
	>= app-arch/xz-utils-dev-5.2"

SRCFILE="Python-${PVER/.0}.tar.xz"
SRCDIR="${BUILDDIR}/Python-${PVER/.0}"

# disabled modules (needs the disable_modules patch)
export PYTHON_DISABLE_MODULES="gdbm dbm bsddb _tkinter" || die

# force usage of our CFLAGS
export OPT="${CFLAGS}"

# optimized ABIFLAGS is set to m = malloc in our builds
export PYTHON_ABIFLAGS="m"

sminclude multilib mtools mbuild
msetfeature "!check"

# uses PYVER and sometimes PVER; so keep both
SRC_URI=(
	http://www.python.org/ftp/python/${PVER%.*}/${SRCFILE}
	http://www.python.org/ftp/python/${PVER}/${SRCFILE}
	mirror://python/${SRCFILE}
	mirror://python/python-3.7.0-disable_modules_and_ssl.patch
	mirror://python/python-2.5.0-mimetypes-apache.patch
	mirror://python/python-3.7.1-lib64.patch
)

# sed line: on 2 digits add an zero: 2.6 -> 2.6.0
#UP2DATE="updatecmd ${HOMEPAGE}/download/releases/ | grep 'Python .*(.*)' | sed 's/.*Python\ \([0-9].*\) (.*/\1/g;s/\([0-9]\.[0-9]\$\)/\1.0/;q'"
#UP2DATE="updatecmd -listonly https://www.python.org/downloads/ | grep '/releases/[0-9]' | sed 's:.*/releases/\(.*\)/:\1:' | upsort_pipe"
UP2DATE="updatecmd ${HOMEPAGE}/download/ | grep -- '-3\.' | highesttarball xz"

src_prepare()
{
	munpack ${SRCFILE} || die

	mpatch python-3.7.0-disable_modules_and_ssl.patch || die
	mpatch python-2.5.0-mimetypes-apache.patch || die

	only-m64 mpatch python-3.7.1-lib64.patch || die

	# ensure to use system-wide copies of expat, libmpdec and libffi
	# rather than copies shipped in the tarball
	all-abis 'rm -r Modules/expat || die'
	all-abis 'rm -r Modules/_ctypes/{darwin,libffi}* || die'
	all-abis 'rm -r Modules/_decimal/libmpdec || die'
}

src_compile()
{
	mconfigure \
		--enable-shared \
		--enable-ipv6 \
		--infodir=/usr/share/info \
		--mandir=/usr/share/man \
		--with-threads \
		--with-computed-gotos \
		--with-system-expat \
		--with-system-ffi \
		|| die

	mmake || die
}

src_install()
{
	# install some missing directories
	minstalldir /usr || die

	mmake DESTDIR=${BINDIR} altinstall  || die

	all-abis minstalldir /usr/'$(mlibdir)'/python${PVER%.*}/config-${PVER%.*}${PYTHON_ABIFLAGS}-'$(linux${ABI/m/} arch | sed "s:i.86:i386:")'-linux-gnu || die
	all-abis minstallfile Makefile.pre.in /usr/'$(mlibdir)'/python${PVER%.*}/config-${PVER%.*}${PYTHON_ABIFLAGS}-'$(linux${ABI/m/} arch | sed "s:i.86:i386:")'-linux-gnu || die

	# remove hardcoded CFLAGS from default Makefile
	all-abis sed -i 's:^OPT=.*:OPT=-DNDEBUG:' ${BINDIR}/usr/'$(mlibdir)'/python${PVER%.*}/config-${PVER%.*}${PYTHON_ABIFLAGS}-'$(linux${ABI/m/} arch | sed "s:i.86:i386:")'-linux-gnu/Makefile || die

	if [[ $(mlibdir) != lib ]]
	then
		# move config header
		all-abis minstallfile pyconfig.h /usr/include/python${PVER%.*}${PYTHON_ABIFLAGS}/pyconfig-$(mabi).h || die

		# install a stub header
		cat > ${BINDIR}/usr/include/python${PVER%.*}${PYTHON_ABIFLAGS}/pyconfig.h << "EOF"
/* pyconfig.h - Stub Header  */
#ifndef __STUB__PYCONFIG_H__
#define __STUB__PYCONFIG_H__

#if defined(__x86_64__) || \
    defined(__sparc64__) || \
    defined(__arch64__) || \
    defined(__powerpc64__) || \
    defined (__s390x__)
# include "pyconfig-m64.h"
#else
# include "pyconfig-m32.h"
#endif

#endif /* __STUB__PYCONFIG_H__ */
EOF
		# install the multiarch-wrapper
		for exec in python${PVER%.*} python${PVER%.*}${PYTHON_ABIFLAGS}
		do
			if [[ -f ${BINDIR}/usr/bin/${exec} ]]
			then
				rm -f ${BINDIR}/usr/bin/${exec} || die
			fi
			all-abis minstallexec python /usr/bin/${exec}-$(mabi) || die
			mlink multiarch-wrapper /usr/bin/${exec} || die
			# not our default python
			#all-abis mlink ${exec} /usr/bin/python-$(mabi) || die
			all-abis mlink ${exec}-$(mabi) /usr/bin/${exec/${PVER%.*}/${PVER:0:1}}-$(mabi) || die
		done
	fi

# not our default python
#	# link python3.3m-config to python-config
#	mlink python${PVER%.*}${PYTHON_ABIFLAGS}-config /usr/bin/python-config || die

	# link python3.3m-config to python3.3-config
	mlink python${PVER%.*}${PYTHON_ABIFLAGS}-config /usr/bin/python${PVER%.*}-config || die

	# link python3.3m-config to python3-config
	mlink python${PVER%.*}${PYTHON_ABIFLAGS}-config /usr/bin/python${PVER:0:1}-config || die

# not our default python
#	# link python3.3 binary with python
#	mlink python${PVER%.*} /usr/bin/python || die

	# link python3.3 binary with python3
	mlink python${PVER%.*} /usr/bin/python${PVER:0:1} || die

	minstalldocs LICENSE README || die
}