bpo-41100: bugfix, arm64 Mac OS, missing #include <AvailabilityMacros.h> #21588
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MAC_OS_X_VERSION_MAX_ALLOWED is defined in this header. Because it is not included nsexeclength is defined as the wrong type, causing an incompatible pointer to be passed to _NSGetExecutablePath
kk456852 approved these changes Jul 23, 2020
BoboTiG reviewed Oct 21, 2020
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Thanks, that easy fix would solve that GCC warning:
gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -fvisibility=hidden -I./Include/internal -I. -I./Include -DPy_BUILD_CORE_BUILTIN -c ./Modules/_operator.c -o Modules/_operator.o ./Modules/getpath.c:942:40: warning: incompatible pointer types passing 'unsigned long *' to parameter of type 'uint32_t *' (aka 'unsigned int *') [-Wincompatible-pointer-types] if (_NSGetExecutablePath(execpath, &nsexeclength) != 0 ^~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/mach-o/dyld.h:98:54: note: passing argument to parameter 'bufsize' here extern int _NSGetExecutablePath(char* buf, uint32_t* bufsize) __OSX_AVAILABLE_STARTING(__MAC_10_2, __IPHONE_2_0); ^ | @@ -0,0 +1 @@ | |||
| fix a bug in getpath.c for arm64 Mac OS No newline at end of file | |||
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I would rework that sentence as this is not only for ARM64 but x86_64 too:
Suggested change
| fix a bug in getpath.c for arm64 Mac OS | |
| Fixed a bug in `Modules/getpath.c` for macOS 11. Patch by Lawrence D'Anna. |
Member
| Thanks for the PR. It has been superseded by changes in PR 22855 which remove the need for |
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MAC_OS_X_VERSION_MAX_ALLOWED is defined in this header. Because it is
not included nsexeclength is defined as the wrong type, causing an
incompatible pointer to be passed to _NSGetExecutablePath on arm64
https://bugs.python.org/issue41100