1 /* 2 * Copyright (c) 2011 Cisco Systems, Inc. All rights reserved. 3 * $COPYRIGHT$ 4 * 5 * Additional copyrights may follow 6 * 7 * $HEADER$ 8 * 9 * This file is included at the top of opal_config.h, and is 10 * therefore a) before all the #define's that were output from 11 * configure, and b) included in most/all files in Open MPI. 12 * 13 * Since this file is *only* ever included by opal_config.h, and 14 * opal_config.h already has #ifndef/#endif protection, there is no 15 * need to #ifndef/#endif protection here. 16 */ 17 18 #ifndef OPAL_CONFIG_H 19 #error "opal_config_top.h should only be included from opal_config.h" 20 #endif 21 22 /* The only purpose of this file is to undef the PACKAGE_<foo> macros 23 that are put in by autoconf/automake projects. Specifically, if 24 you include a .h file from another project that defines these 25 macros (e.g., gmp.h) and then include OMPI/ORTE/OPAL's config.h, 26 you'll get a preprocessor conflict. So put these undef's here to 27 protect us from other package's PACKAGE_<foo> macros. 28 29 Note that we can't put them directly in opal_config.h (e.g., via 30 AH_TOP) because they will be turned into #define's by autoconf. */ 31 32 #undef PACKAGE_BUGREPORT 33 #undef PACKAGE_NAME 34 #undef PACKAGE_STRING 35 #undef PACKAGE_TARNAME 36 #undef PACKAGE_VERSION 37 #undef PACKAGE_URL 38 #undef HAVE_CONFIG_H