I see the following issue with the latest git master on CentOS 6.6 with GCC 4.9. Surely I will be accused of overzealous option disabling in the name of premature optimization, but I still think that this should work Thanks, Jeff GEN lib/libpmpi.la GEN lib/libmpi.la CCLD src/env/mpichversion GEN lib/libmpifort.la CCLD src/env/mpivars /home/jrhammon/Work/MPI/MPICH/git/build/lib/.libs/libpmpi.a(lib_libpmpi_la-waitall.o): In function `MPIR_Waitall_impl': waitall.c:(.text+0x644): undefined reference to `MPI_Testall' collect2: error: ld returned 1 exit status make[2]: *** [src/env/mpivars] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory `/home/jrhammon/Work/MPI/MPICH/mpich/build' make[1]: *** [install-recursive] Error 1 make[1]: Leaving directory `/home/jrhammon/Work/MPI/MPICH/mpich/build' make: *** [install] Error 2 [jrhammon@esgmonster build]$ ../configure CC=gcc CXX=g++ FC=gfortran --disable-cxx --enable-fortran --with-pm=hydra --prefix=/opt/mpich/dev/gcc/fast --enable-static --enable-fast=O3,nochkmsg,notiming,ndebug,nompit --disable-weak-symbols --enable-threads=funneled && make -j36 install [jrhammon@esgmonster build]$ uname -a Linux esgmonster 2.6.32-504.3.3.el6.centos.plus.x86_64 #1 SMP Wed Dec 17 01:21:03 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux [jrhammon@esgmonster build]$ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/opt/gcc/4.9.2/libexec/gcc/x86_64-unknown-linux-gnu/4.9.2/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/jrhammon/Work/GCC/gcc-4.9.2/configure --disable-multilib --enable-threads=posix --enable-checking=release --enable-__cxa_atexit --enable-languages=c,c++,fortran --with-tune=native --enable-bootstrap --enable-lto --prefix=/opt/gcc/4.9.2 --with-isl --with-cloog Thread model: posix gcc version 4.9.2 (GCC) -- Jeff Hammond [email protected] http://jeffhammond.github.io/ _______________________________________________ discuss mailing list [email protected] To manage subscription options or unsubscribe: https://lists.mpich.org/mailman/listinfo/discuss