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Building nco: changes in Cygwin break linking

Hello all

I am trying to build NCO version 2.8.0 from source ( I have Windows 2000 SP4 with an up-to-date, reasonably complete Cygwin environment (cygwin 1.5.5-1, gcc 3.3.1-3, etc). I use the usual "./configure, make" process. The build fails to produce executables, with output like this

/bin/bash ../../libtool --mode=link cc -g -O2 -ansi -L/usr/local/lib -o ncwa.exe ncwa.o -lnco -lintl -lm -lC -lnetcdf
cc -g -O2 -ansi -o ncwa.exe ncwa.o -L/usr/local/lib ./.libs/libnco.a -L/usr/lib /usr/local/lib/libnco.a /usr/lib/libintl.dll.a /usr/lib/libiconv.dll.a -lC -lnetcdf
fu000001.o(.idata$3+0xc): undefined reference to `_libc_iname'
fu000002.o(.idata$3+0xc): undefined reference to `_libc_iname'
fu000003.o(.idata$3+0xc): undefined reference to `_libc_iname'
fu000004.o(.idata$3+0xc): undefined reference to `_libc_iname'
fu000005.o(.idata$3+0xc): undefined reference to `_libc_iname'
fu000006.o(.idata$3+0xc): more undefined references to `_libc_iname' follow
Info: resolving _optarg by linking to __imp__optarg (auto-import)
Info: resolving _optind by linking to __imp__optind (auto-import)
collect2: ld returned 1 exit status

When I followed exactly the same steps with exactly the same source on 14 Aug 2003 I did not encounter this error. IIRC, I had an up-to-date, reasonably complete Cygwin environment then. So I presume that the problem is caused by the installation of a newer version of some Cygwin software component in the meantime.

Any suggestions on how to diagnose & solve the problem?


Mark Hadfield            "Ka puwaha te tai nei, Hoea tatou"
National Institute for Water and Atmospheric Research (NIWA)

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