/* * Copyright (c) 2011 Cisco Systems, Inc. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ * * This file is included at the top of opal_config.h, and is * therefore a) before all the #define's that were output from * configure, and b) included in most/all files in Open MPI. * * Since this file is *only* ever included by opal_config.h, and * opal_config.h already has #ifndef/#endif protection, there is no * need to #ifndef/#endif protection here. */ #ifndef OPAL_CONFIG_H # error "opal_config_top.h should only be included from opal_config.h" #endif /* The only purpose of this file is to undef the PACKAGE_ macros that are put in by autoconf/automake projects. Specifically, if you include a .h file from another project that defines these macros (e.g., gmp.h) and then include OMPI/OPAL's config.h, you'll get a preprocessor conflict. So put these undef's here to protect us from other package's PACKAGE_ macros. Note that we can't put them directly in opal_config.h (e.g., via AH_TOP) because they will be turned into #define's by autoconf. */ #undef PACKAGE_BUGREPORT #undef PACKAGE_NAME #undef PACKAGE_STRING #undef PACKAGE_TARNAME #undef PACKAGE_VERSION #undef PACKAGE_URL #undef HAVE_CONFIG_H