Comment #37 on issue 188 by alexande...@gmx.de: protobuf fails to link after compiling with LDFLAGS="-Wl,--as-needed" because of missing -lpthread
http://code.google.com/p/protobuf/issues/detail?id=188

i tried most recent official source release protobuf-c-0.15 on cygwin.
it failed with the the same symptom.

then i applied the below work around (just killing the exit statements from configure), successfully configured and compiled the package - now its operable for me at least up to the command line help (no deeper testing done so far).

i want to share this result as it might help others in going ahead in a timely fashion with their true targets. i dont want to imply it will work all the time but it should work often on a normally working system despite those error popped up.

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what else to say? g++ used in the linker stage seems to benignly ignore unknown options. "g++ (GCC) 4.3.4 20090804 (release) 1"

libtool: link: g++ -g -O2 -pthread -o .libs/cxx-generate-packed-data.exe cxx-generate-packed-data.o test-full.pb.o /usr/local/lib/libprotobuf.a -lz /usr/lib/gcc/i686-pc-cygwin/4.3.4/libstdc++.dll.a -pthread -L/usr/lib/gcc/i686-pc-cygwin/4.3.4
g++: unrecognized option '-pthread'
g++: unrecognized option '-pthread'

Attachments:
        configure.diff  330 bytes

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