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https://issues.apache.org/jira/browse/STDCXX-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472148
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Martin Sebor commented on STDCXX-337:
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The iconv and catgets unsats should be pretty easy to fix (add the libraries to
LDLIBS).
The exception::what() unsats look more troubling since we have a config test in
place to detect whether this function exists in the runtime library or not and
so the fact that we're getting errors means the test is broken. Since this is
unrelated to the other problem, could you open a separate issue for it. It
would be helpful if you could include the command line and the error(s) if any
from config.log in the issue.
> [Cygwin] unsats on _libiconv, _catgets
> --------------------------------------
>
> Key: STDCXX-337
> URL: https://issues.apache.org/jira/browse/STDCXX-337
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Build
> Affects Versions: 4.1.3
> Environment: Cygwin
> Reporter: Mark Brown
>
> I tried to build the library on Cygwin but I'm getting linker errors for the
> localedef utility. I have the iconv library installed (in /usr/lib) but make
> isn't linking with it. I also get linker errors for _catopen, _catgets, and
> _catclose. I searched under /usr/lib to see what library defines these
> symbols and it's libcatgets.a. Should the makefile be linking with it?
> gcc localedef.o aliases.o charmap.o codecvt.o collate.o ctype.o def.o
> diagnostic.o messages.o monetary.o numeric.o path.o time.o scanner.o -o
> localedef -L/home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/lib -lstd11s -lsupc++
> -lm
> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libsupc++.a(eh_exception.o):(.text+0x80):
> multiple definition of `std::exception::what() const'
> /home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/lib/libstd11s.a(exception.o):/home/mbrown/stdcxx-4.1.3/src/exception.cpp:334:
> first defined here
> charmap.o: In function `_ZNSt4pairIKwSsEC1ERKS1_':
> /home/mbrown/stdcxx-4.1.3/include/rw/_specialized.h:(.text+0x4c0): undefined
> reference to `_libiconv_open'
> charmap.o: In function `_ZNK7Charmap15convert_to_utf8EPKcjPcj':
> /home/mbrown/stdcxx-4.1.3/util/charmap.cpp:346: undefined reference to
> `_libiconv'
> /home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/lib/libstd11s.a(messages.o): In
> function `_ZN4__rw13__rw_cat_openERKSsRKSt6locale':
> /home/mbrown/stdcxx-4.1.3/src/messages.cpp:205: undefined reference to
> `_catopen'
> /home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/lib/libstd11s.a(messages.o): In
> function `_ZN4__rw16__rw_get_messageEiii':
> /home/mbrown/stdcxx-4.1.3/src/messages.cpp:235: undefined reference to
> `_catgets'
> /home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/lib/libstd11s.a(messages.o): In
> function `_ZN4__rw14__rw_cat_closeEi':
> /home/mbrown/stdcxx-4.1.3/src/messages.cpp:277: undefined reference to
> `_catclose'
> collect2: ld returned 1 exit status
> make[2]: *** [localedef] Error 1
> make[2]: Leaving directory `/home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s/bin'
> make[1]: *** [util] Error 2
> make[1]: Leaving directory `/home/mbrown/stdcxx-4.1.3-gcc-3.4.4-11s'
> make: *** [libstd] Error 2
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