Fork#39639: no iconv implementation
Open Date: 2019-10-06 02:58
Last Update: 2019-10-13 22:38
URL for this Ticket:
https://osdn.net//projects/mingw/ticket/39639
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Last Changes/Comment on this Ticket:
2019-10-13 22:38 Updated by: zhangboyang
Comment:
OK, I can confirm the new gcc worked for me. Thank you for fixing this bug.
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Ticket Status:
Reporter: zhangboyang
Owner: keith
Type: Issues
Status: Open [Owner assigned]
Priority: 5 - Medium
MileStone: (None)
Component: OTHER
Severity: 5 - Medium
Resolution: None
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Ticket details:
I have been used mingw-gcc for a long time. However, I found the
'-finput-charset=' option not always works correctly across versions. For
example, with the latest mingw-gcc version 8.2.0-4, runing 'gcc -finput-charset
=GB18030 helloworld.c' will throw out error, which says 'no iconv
implementation'.
My further investigation shows the iconv support wasn't compile into mingw-gcc
8.2.0-4. The error message 'no iconv implementation' (which is located in gcc's
charset.c) will only be compiled into cc1.exe when HAVE_ICONV is false.
I downloaded serveral versions of cc1.exe, from gcc 5 to gcc 8. I found 5.3.0-2
and 6.3.0-1 had iconv compiled in, but 5.3.0-3, 7.3.0-1, 8.2.0-4 had no iconv
complied in.
I googled the error message 'no iconv implementation', and I found many similar
issues, some even dated back to 2009, but there is no clear solution or
explaination. I think there might be a problem in your build script, such as
some kind of race condition, which will lead to configuration script not find
iconv library.
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