FAQ #11: configure error: C compiler cannot create executables [IRIX 6]

[Marco Eichelberg]

I am trying to compile DCMTK on a SGI IRIX 6.x machine with gcc 2.7.2. The configure script terminates with the following error messsage:

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checking whether the C compiler (gcc  ) works... no
configure: error: installation or configuration problem:
C compiler cannot create executables.

The "dcmtk/config/config.log" file contains:

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configure:747: gcc -o conftest    conftest.c  1>&5
collect2: ld returned 1 exit status
ld: Segmentation fault.  Removing output file...

You use a gcc compiled on a SGI IRIX 5.x machine. On IRIX 6.x the "-old_ld" must be specified on all compiler calls which involve linking. The flag must be specified before any "-o" option. We have created a shell script which patches "configure" to allow the -old_ld option to work. In the dcmtk directory, type:

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config/mvldflags config/configure
setenv LDFLAGS -old_ld

After that, configure will create appropriate Makefiles.