Adds support for building our own Python containers
This will be triggered when -c is used with pymultic and there is no official Python container available for the version(s) specified.
This commit is contained in:
John Richards
42
scripts/Dockerfile.pybuild
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42
scripts/Dockerfile.pybuild
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@@ -0,0 +1,42 @@
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#
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# This will generate a local container with the specified version of Python.
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#
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# Note: This assumes the the tarball for the particular version you'd like to build has already been downloaded,
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# unpacked, and patched appropriately.
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#
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# To build:
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# docker build --build-arg python_version=PYTHON-VERSION \
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# --build-arg install_target=INSTALL-TARGET \
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# -f Dockerfile.pybuild \
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# -t python:PYTHON-VERSION
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#
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# PYTHON-VERSION full version of Python to build (ex. 3.0.1)
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# INSTALL-TARGET the target to make for installing (fullinstall for 3.0.1, install otherwise)
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#
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# Example for 3.0.1:
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# docker build --build-arg python_version=3.0.1 \
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# --build-arg install_target=fullinstall \
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# -f Dockerfile.pybuild \
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# -t python:3.0.1
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#
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FROM debian:buster
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ARG python_version
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ARG install_target
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RUN mkdir -p /pybuild/ &&\
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apt-get update && \
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apt-get upgrade -y && \
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apt-get install -y build-essential libncurses-dev libz-dev libbz2-dev libreadline-dev
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COPY Python-$python_version /pybuild/
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RUN cd pybuild &&\
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./configure && \
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make && \
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make $install_target && \
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cd / && \
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apt-get remove -y build-essential libncurses-dev libz-dev libbz2-dev libreadline-dev && \
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apt autoremove -y && \
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rm -rf /pybuild
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105
scripts/pymultic
105
scripts/pymultic
@@ -60,6 +60,20 @@ CONTAINER_EXE_EXTRA_ARGS = {
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}
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def get_container_exe():
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container_exe = None
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for ce in CONTAINER_EXES:
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if shutil.which(ce) is not None:
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container_exe = ce
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break
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if container_exe is None:
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print('Cannot find {} in $PATH'.format(' or '.join(CONTAINER_EXES)))
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return sys.exit(1)
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return container_exe
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def fetch_python(snekdir, version):
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realver = PYVERS[version]
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if version in ('1.0', '1.1'):
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@@ -142,6 +156,35 @@ def acquire_python(snekdir, version):
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return pyexe
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def build_python_container(snekdir, version):
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realver = PYVERS[version]
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snek = 'Python-{}'.format(realver)
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builddir = os.path.join(snekdir, snek)
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container_exe = get_container_exe()
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py_container_tag = 'python:{}'.format(realver)
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if subprocess.call([container_exe, 'image', 'inspect', py_container_tag],
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL) == 0:
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return
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fetch_python(snekdir, version)
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print('Building Python {} container...'.format(realver))
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logfile = os.path.join(snekdir, '{}.build.log'.format(snek))
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install_target = 'fullinstall' if version == '3.0' else 'install'
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with open(logfile, 'wb') as log:
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if subprocess.call([container_exe, 'build',
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'--build-arg', 'python_version={}'.format(realver),
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'--build-arg', 'install_target={}'.format(install_target),
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'-f', os.path.join(snekdir, 'Dockerfile.pybuild'),
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'-t', py_container_tag, snekdir], stdout=log, stderr=log) != 0:
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print('...Container build failed. See {} for details'.format(logfile))
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sys.exit(1)
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shutil.rmtree(builddir)
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def local_compile(snekdir, ver, infile):
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pyexe = acquire_python(snekdir, ver)
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proc = subprocess.Popen([pyexe, '-c', 'import sys; print(sys.version)'],
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@@ -194,23 +237,12 @@ def local_compile(snekdir, ver, infile):
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return outfile
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def container_compile(ver, infile):
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def container_compile(snekdir, ver, infile):
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if ver not in PYVER_CONTAINERS:
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print('Container compilation not supported for version {}'.format(ver))
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return None
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container_exe = None
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for ce in CONTAINER_EXES:
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if shutil.which(ce) is not None:
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container_exe = ce
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break
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if container_exe is None:
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print('Cannot find {} in $PATH'.format(' or '.join(CONTAINER_EXES)))
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return None
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build_python_container(snekdir, ver)
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container_exe = get_container_exe()
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fullver = PYVERS[ver]
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indir = os.path.dirname(os.path.abspath(infile))
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infile = os.path.basename(infile)
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@@ -223,14 +255,38 @@ def container_compile(ver, infile):
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os.unlink(outfile)
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print('*** Compiling for Python {}'.format(fullver))
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proc = subprocess.Popen([container_exe, 'run'] + CONTAINER_EXE_EXTRA_ARGS[container_exe] +
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['--rm', '--name', '{}'.format(outfile),
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'-v', '{}:/indir:Z'.format(indir),
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'-v', '{}:/outdir:Z'.format(os.getcwd()), '-w', '/outdir',
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'python:{}'.format(fullver),
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'python', '-c',
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"import py_compile; py_compile.compile('/indir/{}', '{}')".format(infile, outfile)])
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proc.communicate()
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if ver in {'1.0', '1.1', '1.2', '1.3', '1.4'}:
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# The hard way -- hope your code is safe...
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srcdir = os.path.dirname(os.path.realpath(infile))
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comptmp = os.path.join(indir, 'pymc_temp.py')
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if os.path.exists(comptmp):
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os.unlink(comptmp)
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shutil.copyfile(infile, comptmp)
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proc = subprocess.Popen([container_exe, 'run'] + CONTAINER_EXE_EXTRA_ARGS[container_exe] +
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['--rm', '--name', '{}'.format(outfile),
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'-v', '{}:/indir:Z'.format(indir),
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'-v', '{}:/outdir:Z'.format(os.getcwd()), '-w', '/outdir',
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'python:{}'.format(fullver),
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'python', '-c',
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"import pymc_temp"])
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proc.communicate()
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if os.path.exists(comptmp + 'o'):
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shutil.copyfile(comptmp + 'o', outfile)
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os.unlink(comptmp + 'o')
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elif os.path.exists(comptmp + 'c'):
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shutil.copyfile(comptmp + 'c', outfile)
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os.unlink(comptmp + 'c')
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os.unlink(comptmp)
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else:
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# The easy way
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proc = subprocess.Popen([container_exe, 'run'] + CONTAINER_EXE_EXTRA_ARGS[container_exe] +
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['--rm', '--name', '{}'.format(outfile),
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'-v', '{}:/indir:Z'.format(indir),
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'-v', '{}:/outdir:Z'.format(os.getcwd()), '-w', '/outdir',
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'python:{}'.format(fullver),
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'python', '-c',
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"import py_compile; py_compile.compile('/indir/{}', '{}')".format(infile, outfile)])
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proc.communicate()
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return outfile
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@@ -282,12 +338,11 @@ result = 0
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for ver in pythons:
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compile_with_container = use_containers
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if use_containers and ver not in PYVER_CONTAINERS:
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print('Warning: No supported container for {} - using local build'.format(ver))
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compile_with_container = False
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print('Warning: No officially supported container for {} - using locally built one'.format(ver))
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outfile = None
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if compile_with_container:
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outfile = container_compile(ver, infile)
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outfile = container_compile(snekdir, ver, infile)
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else:
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outfile = local_compile(snekdir, ver, infile)
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16
scripts/python-builds/Python-3.1.5.patch
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16
scripts/python-builds/Python-3.1.5.patch
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@@ -0,0 +1,16 @@
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diff --git a/Makefile.pre.in b/Makefile.pre.in
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index e01cd2745a..dcf465e30e 100644
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--- a/Makefile.pre.in
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+++ b/Makefile.pre.in
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@@ -817,6 +817,11 @@ bininstall: altbininstall
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else true; \
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fi
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(cd $(DESTDIR)$(BINDIR); $(LN) python$(VERSION)$(EXE) $(PYTHON)3$(EXE))
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+ -if test -f $(DESTDIR)$(BINDIR)/$(PYTHON)$(EXE) -o -h $(DESTDIR)$(BINDIR)/$(PYTHON)$(EXE); \
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+ then rm -f $(DESTDIR)$(BINDIR)/$(PYTHON)$(EXE); \
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+ else true; \
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+ fi
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+ (cd $(DESTDIR)$(BINDIR); $(LN) python$(VERSION)$(EXE) $(PYTHON)$(EXE))
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-rm -f $(DESTDIR)$(BINDIR)/python3-config
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(cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)-config python3-config)
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-rm -f $(DESTDIR)$(LIBPC)/python3.pc
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