# $Id$

PNAME="python"
PVER="2.7.15"
PBUILD="r1"

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-6.1
	>= 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-3.2"

SDEPEND=">= virtual/sed
	>= sys-libs/ncurses-dev-6.1
	>= 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"

SRCFILE="${PNAME/py/Py}-${PVER/.0}.tar.xz"
SRCDIR="${BUILDDIR}/${PNAME/py/Py}-${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}"

sminclude mtools multilib mbuild alx
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://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-2.7.0-gentoo_py_dontcompile.patch
	mirror://${PNAME}/${PNAME}-2.4-disable_modules_and_ssl.patch
	mirror://${PNAME}/${PNAME}-2.5.0-mimetypes-apache.patch
	mirror://${PNAME}/${PNAME}-2.7.13-lib64.patch
)

# sed line: on 2 digits add an zero: 2.6 -> 2.6.0
UP2DATE="updatecmd ${HOMEPAGE}/download/ | grep -- '-2\.' | highesttarball xz"

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

	# adds support for PYTHON_DONTCOMPILE shell environment to
	# supress automatic generation of .pyc and .pyo files
	mpatch ${PNAME}-2.7.0-gentoo_py_dontcompile.patch || die
	mpatch ${PNAME}-2.4-disable_modules_and_ssl.patch || die
	mpatch ${PNAME}-2.5.0-mimetypes-apache.patch || die

	only-m64 mpatch ${PNAME}-2.7.13-lib64.patch || die

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

src_compile()
{
	mconfigure \
		--with-fpectl \
		--enable-shared \
		--enable-unicode=ucs4 \
		--infodir=/usr/share/info \
		--mandir=/usr/share/man \
		--with-threads \
		--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 || die
	all-abis minstallfile Makefile.pre.in /usr/'$(mlibdir)'/python${PVER%.*}/config || die

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

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

		# install a stub header
		cat > ${BINDIR}/usr/include/python${PVER%.*}/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
		if [[ -f ${BINDIR}/usr/bin/python${PVER%.*} ]]
		then
			rm -f ${BINDIR}/usr/bin/python${PVER%.*} || die
		fi
		all-abis minstallexec python /usr/bin/python${PVER%.*}-$(mabi) || die
		mlink multiarch-wrapper /usr/bin/python${PVER%.*} || die
		all-abis mlink python${PVER%.*}-$(mabi) /usr/bin/python-$(mabi) || die
		all-abis mlink python${PVER%.*}-$(mabi) /usr/bin/python${PVER:0:1}-$(mabi) || die
	fi

	# link python2.7-config to python-config
	mlink python${PVER%.*}-config /usr/bin/python-config || die

	# link python2.7 binary with python
	mlink python${PVER%.*} /usr/bin/python || die

	# link python2.7 binary with python2
	mlink python${PVER%.*} /usr/bin/python${PVER:0:1} || die

	minstalldocs LICENSE README || die
}