Folks:
I've been trying to get a cygwin compile working with gcc 3.4.4. I
kept getting linker errors with missing pthreads symbols. I've
tracked down one potential source. 'configure' is apparently
getting something wrong with pthreads detection. Here's the
relevant section of config.log:
configure:47947: checking whether pthreads work with -Kthread
configure:48081: gcc -o conftest.exe -g -O2 -Kthread -Wl,--as-
needed conftest.c -lm >&5
gcc: unrecognized option `-Kthread'^M
configure:48087: $? = 0
configure:48107: result: yes
OK, I don't know how the test works, but that result is obviously
wrong, because, in their lingo, "pthreads does not work with -
Kthread". Continuing...
configure:48117: checking searching for pthread library
configure:48145: checking for joinable pthread attribute
configure:48170: gcc -o conftest.exe -g -O2 -Kthread -Wl,--as-
needed conftest.c -L/lib -lpthread -lm >&5
gcc: unrecognized option `-Kthread'^M
configure:48176: $? = 0
configure:48193: result: PTHREAD_CREATE_JOINABLE
While I don't know what this result does, it seems wrong to be
setting pthreads capabilities where none exist.
The correct flag, from what I can tell, and if one is even
necessary, which I don't know, should be -mthreads.
Eric
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