https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107954
Jamaika <lukaszcz18 at wp dot pl> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |lukaszcz18 at wp dot pl --- Comment #2 from Jamaika <lukaszcz18 at wp dot pl> --- I shouldn't be writing as an outsider. I don't know what c2x accepts. For gcc 11.3.1 and c++20 I am forced to use c2x. For example, compiling HTJ2K grok c++20 and zlib shows that zlib does not conform to c++20 standards and some functions are deprecated. adler32.c: In function 'adler32_z': adler32.c:63:15: warning: old-style function definition [-Wold-style-definition] 63 | uLong ZEXPORT adler32_z(adler, buf, len) | ^~~~~~~~~ adler32.c: In function 'adler32': adler32.c:134:15: warning: old-style function definition [-Wold-style-definition] 134 | uLong ZEXPORT adler32(adler, buf, len) | ^~~~~~~ adler32.c: In function 'adler32_combine_': adler32.c:143:13: warning: old-style function definition [-Wold-style-definition] 143 | local uLong adler32_combine_(adler1, adler2, len2) | ^~~~~~~~~~~~~~~~ adler32.c: In function 'adler32_combine': adler32.c:172:15: warning: old-style function definition [-Wold-style-definition] 172 | uLong ZEXPORT adler32_combine(adler1, adler2, len2) | ^~~~~~~~~~~~~~~ adler32.c: In function 'adler32_combine64': adler32.c:180:15: warning: old-style function definition [-Wold-style-definition] 180 | uLong ZEXPORT adler32_combine64(adler1, adler2, len2) | ^~~~~~~~~~~~~~~~~ compress.c: In function 'compress2': compress.c:22:13: warning: old-style function definition [-Wold-style-definition] 22 | int ZEXPORT compress2(dest, destLen, source, sourceLen, level) | ^~~~~~~~~ compress.c: In function 'compress': compress.c:68:13: warning: old-style function definition [-Wold-style-definition] 68 | int ZEXPORT compress(dest, destLen, source, sourceLen) | ^~~~~~~~ compress.c: In function 'compressBound': compress.c:81:15: warning: old-style function definition [-Wold-style-definition] 81 | uLong ZEXPORT compressBound(sourceLen) | ^~~~~~~~~~~~~ crc32.c: In function 'byte_swap': crc32.c:126:16: warning: old-style function definition [-Wold-style-definition] 126 | local z_word_t byte_swap(word) | ^~~~~~~~~ crc32.c: In function 'multmodp': crc32.c:551:15: warning: old-style function definition [-Wold-style-definition] 551 | local z_crc_t multmodp(a, b) | ^~~~~~~~ crc32.c: In function 'x2nmodp': crc32.c:575:15: warning: old-style function definition [-Wold-style-definition] 575 | local z_crc_t x2nmodp(n, k) | ^~~~~~~ crc32.c: In function 'crc_word': crc32.c:726:15: warning: old-style function definition [-Wold-style-definition] 726 | local z_crc_t crc_word(data) | ^~~~~~~~ crc32.c: In function 'crc_word_big': crc32.c:735:16: warning: old-style function definition [-Wold-style-definition] 735 | local z_word_t crc_word_big(data) | ^~~~~~~~~~~~ crc32.c: In function 'crc32_z': crc32.c:748:23: warning: old-style function definition [-Wold-style-definition] 748 | unsigned long ZEXPORT crc32_z(crc, buf, len) | ^~~~~~~ crc32.c: In function 'crc32': crc32.c:1072:23: warning: old-style function definition [-Wold-style-definition] 1072 | unsigned long ZEXPORT crc32(crc, buf, len) | ^~~~~