Aditya Kumar <[email protected]> added the comment:
while installing pycryptodome, the package is built from source. Because no
toolchain is found build fails with the following error. To work around this
issue temporarily i created a symlink MacOSX11.1.sdk -> MacOSX.sdk but it is
not possible to do this on all machines.
```
Compiling with an SDK that doesn't seem to exist:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
Please check your Xcode installation
clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g
-fwrapv -O3 -Wall -arch x86_64 -mmacosx-version-min=10.9
-Wno-nullability-completeness -Wno-expansion-to-defined -Wno-undef-prefix
-isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
-fPIC
-I/var/folders/z1/xsh33bjd5d75qltcvxqy1gmm0000gp/T/tmpn5yvyhzp/tools/deps/include
-I/var/folders/z1/xsh33bjd5d75qltcvxqy1gmm0000gp/T/tmpn5yvyhzp/tools/deps/include/ncursesw
-I/var/folders/z1/xsh33bjd5d75qltcvxqy1gmm0000gp/T/tmpn5yvyhzp/tools/deps/include/uuid
-Werror=unguarded-availability-new -g0 -DLTC_NO_ASM -DHAVE_UINT128
-DHAVE_CPUID_H -Isrc/
-I/Users/foo/.cache/_bazel_root/c7ac193d3d155e3d99f7f1334482aa2d/external/py39/dist/include/python3.9
-c src/MD2.c -o build/temp.macosx-10.9-x86_64-3.9/src/MD2.o
clang: warning: no such sysroot directory:
'/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk'
[-Wmissing-sysroot]
In file included from src/MD2.c:28:
src/pycrypto_common.h:58:10: fatal error: 'stdlib.h' file not found
#include <stdlib.h>
^~~~~~~~~~
1 error generated.
error: command '/usr/bin/clang'
~
```
----------
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<https://bugs.python.org/issue46158>
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