"Brad Larsen" <brad.larsen@xxxxxxxxx> writes: > configure:4274: /opt/pgi/linux86-64/7.1-1/bin/pgcpp conftest.c > "conftest.c", line 16: error: identifier "Syntax" is undefined > Syntax error > ^ Apparently the Portland group preprocessor refuses to preprocess input files unless it can also fully parse them as C programs. This behavior is weird and will break Autoconf-generated scripts. Try substituting a C preprocessor that is not so all-fired picky: you can use GCC's preprocessor for that. _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf