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unix: build mpdecimal from source
This is the first step in providing our own mpdecimal library instead of using the one bundled with CPython. This commit only builds the library: we don't yet use it when building CPython.
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‎LICENSE.mpdecimal.txt

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Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.

‎cpython-unix/Makefile

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@@ -164,6 +164,9 @@ $(OUTDIR)/libxcb-$(LIBXCB_VERSION)-$(PACKAGE_SUFFIX).tar: $(LIBXCB_DEPENDS)
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$(OUTDIR)/m4-$(M4_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-m4.sh
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$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) m4
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$(OUTDIR)/mpdecimal-$(MPDECIMAL_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-mpdecimal.sh
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$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) mpdecimal
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$(OUTDIR)/ncurses-$(NCURSES_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-ncurses.sh
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$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) ncurses
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$(if $(NEED_LIBEDIT),$(OUTDIR)/libedit-$(LIBEDIT_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_LIBFFI),$(OUTDIR)/libffi-$(LIBFFI_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_m4),$(OUTDIR)/m4-$(M4_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_MPDECIMAL),$(OUTDIR)/mpdecimal-$(MPDECIMAL_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_NCURSES),$(OUTDIR)/ncurses-$(NCURSES_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_OPENSSL),$(OUTDIR)/openssl-$(OPENSSL_VERSION)-$(PACKAGE_SUFFIX).tar) \
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$(if $(NEED_PATCHELF),$(OUTDIR)/patchelf-$(PATCHELF_VERSION)-$(PACKAGE_SUFFIX).tar) \

‎cpython-unix/build-mpdecimal.sh

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#!/usr/bin/env bash
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at https://mozilla.org/MPL/2.0/.
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set -ex
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ROOT=`pwd`
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export PATH=${TOOLS_PATH}/${TOOLCHAIN}/bin:${TOOLS_PATH}/host/bin:$PATH
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tar -xf mpdecimal-${MPDECIMAL_VERSION}.tar.gz
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pushd mpdecimal-${MPDECIMAL_VERSION}
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CFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" CPPFLAGS="${EXTRA_TARGET_CFLAGS} -fPIC" ./configure \
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--build=${BUILD_TRIPLE} \
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--host=${TARGET_TRIPLE} \
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--prefix=/tools/deps \
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--disable-cxx \
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--disable-shared
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make -j ${NUM_CPUS}
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make -j ${NUM_CPUS} install DESTDIR=${ROOT}/out

‎cpython-unix/build.py

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"libffi",
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"libpthread-stubs",
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"m4",
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"mpdecimal",
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"ncurses",
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"openssl",
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"patchelf",

‎cpython-unix/targets.yml

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- bzip2
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- libffi
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- tcl
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- bzip2
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- libffi
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- xz
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- autoconf
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- bzip2
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- xz
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- autoconf
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- bzip2
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- bzip2
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- libffi
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- tcl
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- bzip2
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- libffi
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- autoconf
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- bzip2
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- xz
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- autoconf
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- bzip2
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- m4
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- mpdecimal
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- openssl
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- sqlite
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- xz
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- ncurses
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- openssl
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- patchelf
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- musl
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- ncurses
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- openssl
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- musl
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- ncurses
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- musl
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- ncurses
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- libXau
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- libxcb
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- m4
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- mpdecimal
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- musl
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- ncurses
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- openssl

‎pythonbuild/downloads.py

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"sha256": "63aede5c6d33b6d9b13511cd0be2cac046f2e70fd0a07aa9573a04a82783af96",
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"version": "1.4.19",
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},
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"mpdecimal": {
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"url": "https://www.bytereef.org/software/mpdecimal/releases/mpdecimal-2.5.1.tar.gz",
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"size": 2584021,
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"sha256": "9f9cd4c041f99b5c49ffb7b59d9f12d95b683d88585608aa56a6307667b2b21f",
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"version": "2.5.1",
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"library_names": ["mpdec"],
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"licenses": ["BSD-2-Clause"],
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"license_file": "LICENSE.mpdecimal.txt",
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},
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"musl": {
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"url": "https://musl.libc.org/releases/musl-1.2.3.tar.gz",
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"size": 1058642,

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