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Diffstat (limited to 'include/gnu-versions.h')
-rw-r--r-- | include/gnu-versions.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/gnu-versions.h b/include/gnu-versions.h new file mode 100644 index 0000000..7085895 --- /dev/null +++ b/include/gnu-versions.h @@ -0,0 +1,53 @@ +/* Header with interface version macros for library pieces copied elsewhere. + Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _GNU_VERSIONS_H +#define _GNU_VERSIONS_H 1 + +/* This file exists to define these few macros. Each specifies a version + number associated with the library interface of a piece of the C library + which is also distributed with other GNU packages. These pieces are + both part of the GNU C library and also distributed with other GNU + packages so those packages may use their facilities on systems lacking + the GNU C library. The source files for each piece surround all their + code with `#ifndef ELIDE_CODE' after defining it with this: + + #define OBSTACK_INTERFACE_VERSION 1 + #if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1 + #include <gnu-versions.h> + #if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION + #define ELIDE_CODE + #endif + #endif + + This allows those one to avoid compiling those files when part of a GNU + package not libc, on a system using a GNU C library that supports the + same interface. + + Please preserve the format of the comments after each macro. And + remember, if any of these versions change, the libc.so major version + number must change too (so avoid it)! */ + +#define _GNU_OBSTACK_INTERFACE_VERSION 2 /* vs malloc/obstack.c */ +#define _GNU_REGEX_INTERFACE_VERSION 1 /* vs posix/regex.c */ +#define _GNU_GLOB_INTERFACE_VERSION 1 /* vs posix/glob.c */ +#define _GNU_GETOPT_INTERFACE_VERSION 2 /* vs posix/getopt.c and + posix/getopt1.c */ + +#endif /* gnu-versions.h */ |