зеркало из https://github.com/github/ruby.git
e74ea904ad
extconf.rb (https://github.com/ruby/zlib/pull/69) The android NDK (android-ndk-r21e) does not have crc32_z, adler32_z, nor z_size_t in its zlib.h header file. However, it _does_ have the crc32_z and adler32_z symbols in the libz.a static library! mkmf performs two tests for have_func: * It sees if a program that includes the header and takes the address of the symbol can compile * It sees if a program that defines the symbol as `extern void sym_name()` and calls it can be linked If either test works, it considers the function present. The android-ndk-r21e is passing the second test but not the first for crc32_z/adler32_z. So, we define HAVE_ZLIB_SIZE_T_FUNCS, but then can't actually compile the extension (since the prototypes aren't in the header file). We can keep this working how it was working before by _also_ checking for `have_type("z_size_t", "zlib.h")`. The have_type check _only_ looks in the header file for the type; if a program including the header file and using the type can't compile, the type is considered absent regardless of what might be in libz.a. https://github.com/ruby/zlib/commit/3b9fe962d8 |
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| depend | ||
| extconf.rb | ||
| zlib.c | ||
| zlib.gemspec | ||