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pip install libsass fails for Python 3.8
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mkdir test && cd test | |
echo "3.7.0" > .python-version | |
# Verify python 3.7 – do "pyenv install" if necessary | |
python --version | |
$(pyenv which python) -m venv .venv | |
source .venv/bin/activate | |
pip install --no-cache-dir libsass | |
# Collecting libsass | |
# Downloading https://files.pythonhosted.org/packages/66/0c/6c9194d0d1d84d56bee899d18bb9d940725e3d80cbc9048b00b5ff96afb1/libsass-0.19.4-cp37-cp37m-macosx_10_14_x86_64.whl (984kB) | |
# 100% |████████████████████████████████| 993kB 44.8MB/s | |
# Collecting six (from libsass) | |
# Downloading https://files.pythonhosted.org/packages/65/26/32b8464df2a97e6dd1b656ed26b2c194606c16fe163c695a992b36c11cdf/six-1.13.0-py2.py3-none-any.whl | |
# Installing collected packages: six, libsass | |
# Successfully installed libsass-0.19.4 six-1.13.0 | |
# Cleanup Python 3.7 | |
deactivate | |
rm -rf .venv | |
echo "3.8.0" > .python-version | |
# Verify python 3.8 – do "pyenv install" if necessary | |
python --version | |
$(pyenv which python) -m venv .venv | |
# Install libsass | |
source .venv/bin/activate | |
pip install --no-cache-dir libsass | |
""" | |
Collecting libsass | |
Downloading https://files.pythonhosted.org/packages/bb/46/1fcb3086f43ab1793fbd53966d092c1fb3dade8780ce15a96ad520bce4c6/libsass-0.19.4.tar.gz (315kB) | |
|████████████████████████████████| 317kB 3.0MB/s | |
Requirement already satisfied: six in ./.venv/lib/python3.8/site-packages (from libsass) (1.13.0) | |
Installing collected packages: libsass | |
Running setup.py install for libsass ... error | |
ERROR: Command errored out with exit status 1: | |
command: /Users/tomfa/repos/test/.venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-install-u8p6am7a/libsass/setup.py'"'"'; __file__='"'"'/private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-install-u8p6am7a/libsass/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-record-js3ogze5/install-record.txt --single-version-externally-managed --compile --install-headers /Users/tomfa/repos/test/.venv/include/site/python3.8/libsass | |
cwd: /private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-install-u8p6am7a/libsass/ | |
Complete output (88 lines): | |
running install | |
running build | |
running build_py | |
creating build | |
creating build/lib.macosx-10.14-x86_64-3.8 | |
copying pysassc.py -> build/lib.macosx-10.14-x86_64-3.8 | |
copying sass.py -> build/lib.macosx-10.14-x86_64-3.8 | |
copying sassc.py -> build/lib.macosx-10.14-x86_64-3.8 | |
copying sasstests.py -> build/lib.macosx-10.14-x86_64-3.8 | |
creating build/lib.macosx-10.14-x86_64-3.8/sassutils | |
copying sassutils/__init__.py -> build/lib.macosx-10.14-x86_64-3.8/sassutils | |
copying sassutils/builder.py -> build/lib.macosx-10.14-x86_64-3.8/sassutils | |
copying sassutils/_compat.py -> build/lib.macosx-10.14-x86_64-3.8/sassutils | |
copying sassutils/distutils.py -> build/lib.macosx-10.14-x86_64-3.8/sassutils | |
copying sassutils/wsgi.py -> build/lib.macosx-10.14-x86_64-3.8/sassutils | |
running build_ext | |
building '_sass' extension | |
creating build/temp.macosx-10.14-x86_64-3.8 | |
creating build/temp.macosx-10.14-x86_64-3.8/libsass | |
creating build/temp.macosx-10.14-x86_64-3.8/libsass/src | |
creating build/temp.macosx-10.14-x86_64-3.8/libsass/src/memory | |
clang++ -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -I./libsass/include -I/Users/tomfa/repos/test/.venv/include -I/usr/local/var/pyenv/versions/3.8.0/include/python3.8 -c libsass/src/ast.cpp -o build/temp.macosx-10.14-x86_64-3.8/libsass/src/ast.o -c -O3 -fPIC -std=gnu++0x -Wall -Wno-parentheses -Werror=switch -stdlib=libc++ -mmacosx-version-min=10.7 -DLIBSASS_VERSION="3.6.3" | |
In file included from libsass/src/ast.cpp:5: | |
In file included from libsass/src/ast.hpp:9: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/unordered_map:384: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/__hash_table:19: | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:313:9: error: no member named 'signbit' in the global namespace | |
using ::signbit; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:314:9: error: no member named 'fpclassify' in the global namespace | |
using ::fpclassify; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:315:9: error: no member named 'isfinite' in the global namespace; did you mean 'finite'? | |
using ::isfinite; | |
~~^ | |
/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include/math.h:749:12: note: 'finite' declared here | |
extern int finite(double) | |
^ | |
In file included from libsass/src/ast.cpp:5: | |
In file included from libsass/src/ast.hpp:9: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/unordered_map:384: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/__hash_table:19: | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:316:9: error: no member named 'isinf' in the global namespace | |
using ::isinf; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:317:9: error: no member named 'isnan' in the global namespace | |
using ::isnan; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:318:9: error: no member named 'isnormal' in the global namespace | |
using ::isnormal; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:319:7: error: no member named 'isgreater' in the global namespace; did you mean '::std::greater'? | |
using ::isgreater; | |
^~ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/functional:720:29: note: '::std::greater' declared here | |
struct _LIBCPP_TEMPLATE_VIS greater : binary_function<_Tp, _Tp, bool> | |
^ | |
In file included from libsass/src/ast.cpp:5: | |
In file included from libsass/src/ast.hpp:9: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/unordered_map:384: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/__hash_table:19: | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:320:7: error: no member named 'isgreaterequal' in the global namespace; did you mean '::std::greater_equal'? | |
using ::isgreaterequal; | |
^~ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/functional:749:29: note: '::std::greater_equal' declared here | |
struct _LIBCPP_TEMPLATE_VIS greater_equal : binary_function<_Tp, _Tp, bool> | |
^ | |
In file included from libsass/src/ast.cpp:5: | |
In file included from libsass/src/ast.hpp:9: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/unordered_map:384: | |
In file included from /Library/Developer/CommandLineTools/usr/include/c++/v1/__hash_table:19: | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:321:9: error: no member named 'isless' in the global namespace | |
using ::isless; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:322:9: error: no member named 'islessequal' in the global namespace | |
using ::islessequal; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:323:9: error: no member named 'islessgreater' in the global namespace | |
using ::islessgreater; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:324:9: error: no member named 'isunordered' in the global namespace | |
using ::isunordered; | |
~~^ | |
/Library/Developer/CommandLineTools/usr/include/c++/v1/cmath:325:9: error: no member named 'isunordered' in the global namespace | |
using ::isunordered; | |
~~^ | |
13 errors generated. | |
error: command 'clang++' failed with exit status 1 | |
---------------------------------------- | |
ERROR: Command errored out with exit status 1: /Users/tomfa/repos/test/.venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-install-u8p6am7a/libsass/setup.py'"'"'; __file__='"'"'/private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-install-u8p6am7a/libsass/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/xn/zmwql88j0dn950vjr80kqkm80000gn/T/pip-record-js3ogze5/install-record.txt --single-version-externally-managed --compile --install-headers /Users/tomfa/repos/test/.venv/include/site/python3.8/libsass Check the logs for full command output. | |
""" |
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I solved this by attempting to run
brew link openssl
, then following the instructions: