Re: [bug-gnu-libiconv] several avoidable compiler warnings when compiling libiconv

[Uwe Stöhr]

El 10.09.2017 a las 14:26, Uwe Stöhr escribió:

> while compiling libiconv 1.14 using 
> MSVC2015 I encountered several compiler warnings.

I updated now to libiconv 1.15 and get even more warnings to be fixed:

2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\utf8.h(89): warning C4018: 
'<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\utf7.h(80): warning C4018: 
'<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\utf7.h(90): warning C4018: 
'<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\utf7.h(244): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\utf7.h(282): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\c99.h(47): warning C4018: 
'<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\c99.h(68): warning C4018: 
'<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\c99.h(111): warning C4018: 
'>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\java.h(45): warning C4018: 
'<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\java.h(74): warning C4018: 
'<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(44): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(50): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(57): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(68): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(100): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(136): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(157): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp.h(178): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(45): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(51): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(58): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(69): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(74): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(79): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(112): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(124): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(160): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(181): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(202): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp1.h(224): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(62): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(68): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(75): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(82): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(93): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(100): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(105): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(110): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(117): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(126): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(131): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(138): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(219): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(232): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(245): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(258): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(410): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(441): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(465): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(493): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(518): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(541): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(569): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(596): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jp2.h(626): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(92): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(98): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(105): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(112): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(123): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(128): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(133): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(146): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(154): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(193): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(234): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(293): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(314): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(365): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_jpms.h(405): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(62): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(69): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(76): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(85): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(116): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(123): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(145): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(197): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(220): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(250): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cn.h(275): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(72): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(79): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(86): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(93): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(102): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(111): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(118): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(125): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(132): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(139): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(232): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(239): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(261): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(315): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(338): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(368): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(393): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(415): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(437): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(459): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(481): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(503): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_cnext.h(530): 
warning C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\hz.h(112): warning C4018: 
'<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\hz.h(132): warning C4018: 
'<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs1999.h(136): 
warning C4018: '>': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs1999.h(151): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs1999.h(170): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2001.h(143): 
warning C4018: '>': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2001.h(158): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2001.h(177): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2001.h(188): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2004.h(148): 
warning C4018: '>': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2004.h(163): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2004.h(182): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2004.h(193): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2004.h(204): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(153): 
warning C4018: '>': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(168): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(187): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(198): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(209): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\big5hkscs2008.h(220): 
warning C4018: '>=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(61): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(68): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(81): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(88): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(111): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(152): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\iso2022_kr.h(174): warning 
C4018: '<': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(46): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(90): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(141): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(257): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(417): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(421): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(502): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_unicode.h(518): 
warning C4018: '<=': signed/unsigned mismatch
2>d:\lyxgit\master\3rdparty\libiconv\1.15\lib\loop_wchar.h(39): warning 
C4273: 'mbrtowc': inconsistent dll linkage
2>  C:\Program Files (x86)\Windows 
Kits\10\Include\10.0.10240.0\ucrt\wchar.h(65): note: see previous 
definition of 'mbrtowc'
2>D:\LyXGit\Master\3rdparty\libiconv\1.15\lib\iconv.c(431): warning 
C4090: 'function': different 'const' qualifiers
2>  relocatable.c

thanks and regards
Uwe