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> > Maybe the developers could comment on whether there is _any_ programm in > ccp4-5.99.5 which does not compile with g77 (and if not, why they chose > gfortran as standard fortran compiler rather than the - I dare say > established - g77)? I'm not a developer, but I messed around a bit with gfortran on the latest debian (ubuntu). Mosflm compiles but is completely broken by gfortran. Using the CCP4 patch, I found that CCP4 compiles out of the box with gfortran, gcc4 and g++4. (I found that I had to have CCP4 build its own version of fftw for clipper to compile). I ran the unix runnable examples. It hangs on findncs.exam. watertidy-3shells failed. The g77 version I compiled passes all the tests. Here's the log file. http://xanana.ucsc.edu/linux/logs/run_all.log Bill PS: As you found, g77-3.4 works just great with gcc-4.x
