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https://issues.apache.org/jira/browse/STDCXX-338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12479884
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Mark Brown commented on STDCXX-338:
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If it helps, I also get the same error with the latest trunk and gcc 4.1.1:
gcc -c -I/home/mbrown/stdcxx/include/ansi -D_RWSTDDEBUG -mthreads
-D_RWSTD_USE_CONFIG -I/home/mbrown/stdcxx/include
-I/home/mbrown/stdcxx-gcc-4.1.1-15s/include
-I/home/mbrown/stdcxx/examples/include -pedantic -nostdinc++ -g -W -Wall
-Wcast-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align
t.cpp
gcc t.o -o t -mthreads -L/home/mbrown/stdcxx-gcc-4.1.1-15s/lib -lstd15s
-lsupc++ -lcatgets -liconv -lm
/usr/local/gcc-4.1.1/lib/gcc/i686-pc-cygwin/4.1.1/../../../libsupc++.a(eh_exception.o):
In function `_ZNSt13bad_exceptionD2Ev':
/home/mbrown/gcc-4.1.1/libstdc++-v3/libsupc++/eh_exception.cc:38: multiple
definition of `std::exception::what() const'
/home/mbrown/stdcxx-gcc-4.1.1-15s/lib/libstd15s.a(exception.o):/home/mbrown/stdcxx/src/exception.cpp:341:
first defined here
collect2: ld returned 1 exit status
make: *** [t] Error 1
> [Cygwin] linker errors due to multiple definition of `std::exception::what()'
> -----------------------------------------------------------------------------
>
> Key: STDCXX-338
> URL: https://issues.apache.org/jira/browse/STDCXX-338
> Project: C++ Standard Library
> Issue Type: Bug
> Components: Configuration
> Affects Versions: 4.1.3
> Environment: Cygwin
> Reporter: Mark Brown
>
> When linking with stdcxx on Cygwin I get errors like:
> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libsupc++.a(eh_exception.o):(.text+0x80):
> multiple definition of `std::exception::what() const'
> The config.log file shows these errors for the EXCEPTION_WHAT test:
> gcc -c -pedantic -nostdinc++ -g -Wall -W -Wcast-qual -Winline -Wshadow
> -Wwrite-strings -Wno-long-long -Wcast-align -D_RWSTDDEBUG -D_RWSTD_USE_CONFIG
> -I. /build
> /sebor/stdcxx-4.1.3/etc/config/src/EXCEPTION_WHAT.cpp
> In file included from
> /home/mbrown/stdcxx-4.1.3/etc/config/src/EXCEPTION_WHAT.cpp:10:
> /home/mbrown/stdcxx-4.1.3/etc/config/src/BAD_ALLOC_ASSIGNMENT.cpp:83:
> warning: `class std::exception' has virtual functions but non-virtual
> destructor
> /home/mbrown/stdcxx-4.1.3/etc/config/src/BAD_ALLOC_ASSIGNMENT.cpp:333:
> warning: unused parameter 'rhs'
> /home/mbrown/stdcxx-4.1.3/etc/config/src/BAD_ALLOC_ASSIGNMENT.cpp:388:
> warning: unused parameter 'rhs'
> gcc EXCEPTION_WHAT.o -lm -lsupc++ -o EXCEPTION_WHAT
> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libsupc++.a(eh_exception.o):(.text+0x0):
> multiple definition of `std::exception::~exception()'
> EXCEPTION_WHAT.o:/home/mbrown/stdcxx-4.1.3/etc/config/src/BAD_ALLOC_ASSIGNMENT.cpp:(.text$_ZNSt9exceptionD2Ev[std::exception::~exception()]+0x0):
> first defined here
> collect2: ld returned 1 exit status
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