00001 #ifndef BLOCXX_ENVIRON_HPP_INCLUDE_GUARD_ 00002 #define BLOCXX_ENVIRON_HPP_INCLUDE_GUARD_ 00003 00004 /******************************************************************************* 00005 * Copyright (C) 2006, Novell, Inc. All rights reserved. 00006 * Copyright (C) 2005, Quest Software, Inc. All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright notice, 00012 * this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * * Neither the name of Quest Software, Inc., Novell, Inc., nor the 00017 * names of its contributors or employees may be used to endorse or promote 00018 * products derived from this software without specific prior written 00019 * permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00022 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00023 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00024 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00025 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00026 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00027 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00028 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00029 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00030 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 * POSSIBILITY OF SUCH DAMAGE. 00032 *******************************************************************************/ 00033 00039 #include "BLOCXX_config.h" 00040 00041 #if defined(BLOCXX_DARWIN) 00042 // On MacOSX, environ is not defined in shared libraries. It is only provided 00043 // for executables. Since the linker must resolve all symbols at link time, 00044 // the normal extern declaration of environ won't work. As a substitute, we 00045 // need to use this: 00046 #include <crt_externs.h> 00047 #define environ (*_NSGetEnviron()) 00048 00049 // For more details on the subject, follow one of these links: 00050 // http://lists.gnu.org/archive/html/bug-guile/2004-01/msg00013.html 00051 // http://lists.apple.com/archives/darwin-dev/2005/Mar/msg00132.html 00052 // http://www.metapkg.org/wiki/15 (under the linking problems) 00053 00054 #else /* !DARWIN */ 00055 // according to man environ: 00056 // This variable must be declared in the user program, but is 00057 // declared in the header file unistd.h in case the header files came from 00058 // libc4 or libc5, and in case they came from glibc and _GNU_SOURCE was 00059 // defined. 00060 extern char** environ; 00061 #endif /* DARWIN */ 00062 00063 #endif /* INCLUDE_GUARD */