/* A dummy file, to prevent empty libraries from breaking builds. Copyright (C) 2004, 2007, 2009-2023 Free Software Foundation, Inc. This file is in the public domain. */ /* Some systems, reportedly OpenBSD and Mac OS X, refuse to create libraries without any object files. You might get an error like: > ar cru .libs/libgl.a > ar: no archive members specified Compiling this file, and adding its object file to the library, will prevent the library from being empty. */ /* Some systems, such as Solaris with cc 5.0, refuse to work with libraries that don't export any symbol. You might get an error like: > cc ... libgnu.a > ild: (bad file) garbled symbol table in archive ../gllib/libgnu.a Compiling this file, and adding its object file to the library, will prevent the library from exporting no symbols. */ #ifdef __sun /* This declaration ensures that the library will export at least 1 symbol. */ int gl_dummy_symbol; #else /* This declaration is solely to ensure that after preprocessing this file is never empty. */ typedef int dummy; #endif