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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:21:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:21:29 +0000 |
| commit | 29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc (patch) | |
| tree | 63ef546b10a81d461e5cf5ed9e98a68cd7dee1aa /src/grep/m4/obstack.m4 | |
| parent | Initial commit. (diff) | |
| download | kbuild-upstream/1%0.1.9998svn3589+dfsg.tar.xz kbuild-upstream/1%0.1.9998svn3589+dfsg.zip | |
Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/grep/m4/obstack.m4')
| -rw-r--r-- | src/grep/m4/obstack.m4 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/grep/m4/obstack.m4 b/src/grep/m4/obstack.m4 new file mode 100644 index 0000000..e363d01 --- /dev/null +++ b/src/grep/m4/obstack.m4 @@ -0,0 +1,35 @@ +# See if we need to provide obstacks. + +dnl Copyright 1996-2021 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This replaces Autoconf's AC_FUNC_OBSTACK. +dnl The Autoconf version should be marked obsolete at some point. + +AC_DEFUN([AC_FUNC_OBSTACK], + [AC_LIBSOURCES([obstack.h, obstack.c])dnl + AC_CACHE_CHECK([for obstacks that work with any size object], + [ac_cv_func_obstack], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include "obstack.h" + void *obstack_chunk_alloc (size_t n) { return 0; } + void obstack_chunk_free (void *p) { } + /* Check that an internal function returns size_t, not int. */ + size_t _obstack_memory_used (struct obstack *); + ]], + [[struct obstack mem; + obstack_init (&mem); + obstack_free (&mem, 0); + ]])], + [ac_cv_func_obstack=yes], + [ac_cv_func_obstack=no])]) + if test "$ac_cv_func_obstack" = yes; then + AC_DEFINE([HAVE_OBSTACK], 1, + [Define to 1 if the system has obstacks that work with any size object.]) + else + AC_LIBOBJ([obstack]) + fi +]) |