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pmqs / Compress-Raw-Zlib

Perl5 interface to zlib compression library
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Libz Symbol correction PR w/ perl_crz_ symbols #11

Closed monkburger closed 2 years ago

monkburger commented 2 years ago

This is a slightly different way to fix https://github.com/pmqs/Compress-Raw-Zlib/issues/8 (Thanks to @toddr for the suggestion)

This enables -DZ_PREFIX, but prefixes external symbols with perlcrz instead of z_ (only when building w/ -DZ_PREFIX)

make test passes, and the symbols show the following, ie:

 57: 000000000000d780   275 FUNC    GLOBAL DEFAULT   14 perl_crz_crc32_z
    59: 0000000000017000   301 FUNC    GLOBAL DEFAULT   14 perl_crz__tr_stored_block
    60: 0000000000015530    70 FUNC    GLOBAL DEFAULT   14 perl_crz_inflateUndermine
    61: 0000000000012ee0   192 FUNC    GLOBAL DEFAULT   14 perl_crz_inflateInit2_
    62: 000000000001bae0   512 OBJECT  GLOBAL DEFAULT   16 perl_crz__dist_code
    63: 0000000000012e10   198 FUNC    GLOBAL DEFAULT   14 perl_crz_inflateReset2
    64: 000000000000d0a0  1142 FUNC    GLOBAL DEFAULT   14 perl_crz_adler32_z
    65: 000000000001a320    69 OBJECT  GLOBAL DEFAULT   16 perl_crz_deflate_copyrigh
    67: 000000000000d8b0    90 FUNC    GLOBAL DEFAULT   14 perl_crz_crc32_combine64
    69: 000000000000f4f0    62 FUNC    GLOBAL DEFAULT   14 perl_crz_deflateSetHeader
    70: 000000000000f530    86 FUNC    GLOBAL DEFAULT   14 perl_crz_deflatePending