Mirkos-MacBook-Pro:amber14/AmberTools/src] mirko% more netcdf_config.log
configure: netCDF 4.3.0
checking build system type... x86_64-apple-darwin15.6.0
checking host system type... x86_64-apple-darwin15.6.0
checking target system type... x86_64-apple-darwin15.6.0
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... ./install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)...

 
[Mirkos-MacBook-Pro:amber14/AmberTools/src] mirko% gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/x86_64-apple-darwin15/4.9.3/lto-wrapper
Target: x86_64-apple-darwin15
Configured with: /opt/local/var/macports/build/_opt_mports_dports_lang_gcc49/gcc49/work/gcc-4.9.3/configure --prefix=/opt/local --build=x86_64-apple-darwin15 --enable-languages=c,c++,objc,obj-c++,lto,fortran,java --libdir=/opt/local/lib/gcc49 --includedir=/opt/local/include/gcc49 --infodir=/opt/local/share/info --mandir=/opt/local/share/man --datarootdir=/opt/local/share/gcc-4.9 --with-local-prefix=/opt/local --with-system-zlib --disable-nls --program-suffix=-mp-4.9 --with-gxx-include-dir=/opt/local/include/gcc49/c++/ --with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --with-isl=/opt/local --disable-isl-version-check --with-cloog=/opt/local --disable-cloog-version-check --enable-stage1-checking --disable-multilib --enable-lto --enable-libstdcxx-time --with-as=/opt/local/bin/as --with-ld=/opt/local/bin/ld --with-ar=/opt/local/bin/ar --with-bugurl=https://trac.macports.org/newticket --with-pkgversion='MacPorts gcc49 4.9.3_0' --with-build-config=bootstrap-debug
Thread model: posix
gcc version 4.9.3 (MacPorts gcc49 4.9.3_0)