gklib build failed with Clang 17.0.2
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Cheney-W commented
Here is the error encountered by a user when installing gklib:arm64-android
using vcpkg with clang 17.0.2:
error.c:205:10: error: call to undeclared function 'backtrace'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
size = backtrace(array, 10);
^
error.c:206:13: error: call to undeclared function 'backtrace_symbols'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
strings = backtrace_symbols(array, size);
^
error.c:206:11: error: incompatible integer to pointer conversion assigning to 'char **' from 'int' [-Wint-conversion]
strings = backtrace_symbols(array, size);
^
I think to solve this problem, it may be necessary to directly add #include <execinfo.h>
in error.c
file, or declare function using the extern keyword before its invocation:
extern int backtrace(void **buffer, int size);
extern char **backtrace_symbols(void *const *buffer, int size);