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# Copyright 1999-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI="8"
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EAPI="7"
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WANT_LIBTOOL="none"
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inherit autotools check-reqs flag-o-matic multiprocessing pax-utils
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inherit python-utils-r1 toolchain-funcs verify-sig
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MY_PV=${PV/_rc/rc}
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MY_PV=${PV/_beta/b}
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MY_P="Python-${MY_PV%_p*}"
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PYVER=$(ver_cut 1-2)
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PATCHSET="python-gentoo-patches-${MY_PV}"
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eautoreconf
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}
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build_cbuild_python() {
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# Hack to workaround get_libdir not being able to handle CBUILD, bug #794181
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local cbuild_libdir=$(unset PKG_CONFIG_PATH ; $(tc-getBUILD_PKG_CONFIG) --keep-system-libs --libs-only-L libffi)
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# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
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# propagated to sysconfig for built extensions
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#
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# -fno-lto to avoid bug #700012 (not like it matters for mini-CBUILD Python anyway)
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local -x CFLAGS_NODIST="${BUILD_CFLAGS} -fno-lto"
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local -x LDFLAGS_NODIST=${BUILD_LDFLAGS}
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local -x CFLAGS= LDFLAGS=
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local -x BUILD_CFLAGS="${CFLAGS_NODIST}"
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local -x BUILD_LDFLAGS=${LDFLAGS_NODIST}
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# We need to build our own Python on CBUILD first, and feed it in.
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# bug #847910
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local myeconfargs_cbuild=(
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"${myeconfargs[@]}"
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--prefix="${BROOT}"/usr
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--libdir="${cbuild_libdir:2}"
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# Avoid needing to load the right libpython.so.
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--disable-shared
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# As minimal as possible for the mini CBUILD Python
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# we build just for cross to satisfy --with-build-python.
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--without-lto
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--without-readline
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--disable-optimizations
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)
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mkdir "${WORKDIR}"/${P}-${CBUILD} || die
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pushd "${WORKDIR}"/${P}-${CBUILD} &> /dev/null || die
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# Avoid as many dependencies as possible for the cross build.
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mkdir Modules || die
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cat > Modules/Setup.local <<-EOF || die
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*disabled*
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nis
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_dbm _gdbm
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_sqlite3
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_hashlib _ssl
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_curses _curses_panel
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readline
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_tkinter
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pyexpat
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zlib
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# We disabled these for CBUILD because Python's setup.py can't handle locating
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# libdir correctly for cross. This should be rechecked for the pure Makefile approach,
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# and uncommented if needed.
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#_ctypes _crypt
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EOF
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ECONF_SOURCE="${S}" econf_build "${myeconfargs_cbuild[@]}"
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# Unfortunately, we do have to build this immediately, and
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# not in src_compile, because CHOST configure for Python
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# will check the existence of the --with-build-python value
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# immediately.
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emake
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popd &> /dev/null || die
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}
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src_configure() {
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local disable
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# disable automagic bluetooth headers detection
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$(use_with readline readline "$(usex libedit editline readline)")
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$(use_with valgrind)
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)
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# Force-disable modules we don't want built.
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# See Modules/Setup for docs on how this works. Setup.local contains our local deviations.
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cat > Modules/Setup.local <<-EOF || die
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*disabled*
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nis
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$(usev !gdbm '_gdbm _dbm')
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$(usev !sqlite '_sqlite3')
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$(usev !ssl '_hashlib _ssl')
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$(usev !ncurses '_curses _curses_panel')
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$(usev !readline 'readline')
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$(usev !tk '_tkinter')
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EOF
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# disable implicit optimization/debugging flags
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local -x OPT=
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if tc-is-cross-compiler ; then
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build_cbuild_python
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# Hack to workaround get_libdir not being able to handle CBUILD, bug #794181
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local cbuild_libdir=$(unset PKG_CONFIG_PATH ; $(tc-getBUILD_PKG_CONFIG) --keep-system-libs --libs-only-L libffi)
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# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
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# propagated to sysconfig for built extensions
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#
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# -fno-lto to avoid bug #700012 (not like it matters for mini-CBUILD Python anyway)
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local -x CFLAGS_NODIST="${BUILD_CFLAGS} -fno-lto"
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local -x LDFLAGS_NODIST=${BUILD_LDFLAGS}
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local -x CFLAGS= LDFLAGS=
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local -x BUILD_CFLAGS="${CFLAGS_NODIST}"
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local -x BUILD_LDFLAGS=${LDFLAGS_NODIST}
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# We need to build our own Python on CBUILD first, and feed it in.
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# bug #847910
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local myeconfargs_cbuild=(
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"${myeconfargs[@]}"
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--libdir="${cbuild_libdir:2}"
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# Avoid needing to load the right libpython.so.
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--disable-shared
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# As minimal as possible for the mini CBUILD Python
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# we build just for cross to satisfy --with-build-python.
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--without-lto
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--without-readline
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--disable-optimizations
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)
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myeconfargs+=(
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# Point the imminent CHOST build to the Python we just
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# built for CBUILD.
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--with-build-python="${WORKDIR}"/${P}-${CBUILD}/python
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)
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mkdir "${WORKDIR}"/${P}-${CBUILD} || die
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pushd "${WORKDIR}"/${P}-${CBUILD} &> /dev/null || die
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# We disable _ctypes and _crypt for CBUILD because Python's setup.py can't handle locating
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# libdir correctly for cross.
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PYTHON_DISABLE_MODULES="${PYTHON_DISABLE_MODULES} _ctypes _crypt" \
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ECONF_SOURCE="${S}" econf_build "${myeconfargs_cbuild[@]}"
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# Avoid as many dependencies as possible for the cross build.
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cat >> Makefile <<-EOF || die
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MODULE_NIS_STATE=disabled
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MODULE__DBM_STATE=disabled
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MODULE__GDBM_STATE=disabled
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MODULE__DBM_STATE=disabled
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MODULE__SQLITE3_STATE=disabled
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MODULE__HASHLIB_STATE=disabled
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MODULE__SSL_STATE=disabled
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MODULE__CURSES_STATE=disabled
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MODULE__CURSES_PANEL_STATE=disabled
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MODULE_READLINE_STATE=disabled
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MODULE__TKINTER_STATE=disabled
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MODULE_PYEXPAT_STATE=disabled
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MODULE_ZLIB_STATE=disabled
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EOF
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# Unfortunately, we do have to build this immediately, and
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# not in src_compile, because CHOST configure for Python
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# will check the existence of the --with-build-python value
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# immediately.
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PYTHON_DISABLE_MODULES="${PYTHON_DISABLE_MODULES} _ctypes _crypt" emake
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popd &> /dev/null || die
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fi
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# pass system CFLAGS & LDFLAGS as _NODIST, otherwise they'll get
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... | ... | |
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die "Broken sem_open function (bug 496328)"
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fi
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# force-disable modules we don't want built
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local disable_modules=( NIS )
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use gdbm || disable_modules+=( _GDBM _DBM )
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use sqlite || disable_modules+=( _SQLITE3 )
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use ssl || disable_modules+=( _HASHLIB _SSL )
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use ncurses || disable_modules+=( _CURSES _CURSES_PANEL )
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use readline || disable_modules+=( READLINE )
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use tk || disable_modules+=( _TKINTER )
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local mod
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for mod in "${disable_modules[@]}"; do
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echo "MODULE_${mod}_STATE=disabled"
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done >> Makefile || die
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# install epython.py as part of stdlib
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echo "EPYTHON='python${PYVER}'" > Lib/epython.py || die
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}
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