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| author | Jim Meyering <jim@meyering.net> | 2003-06-06 19:54:14 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2003-06-06 19:54:14 +0000 |
| commit | 46e87665861c13dcdfd26283950a81a561896feb (patch) | |
| tree | eb99b0ce113a38130ff5e09459f5bdd73dfa84b3 /m4 | |
| parent | 9a687b646bc01882ce94b3bae8837dc96a5eb4e8 (diff) | |
| download | coreutils-46e87665861c13dcdfd26283950a81a561896feb.tar.xz | |
from gnulib
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/alloca.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/alloca.m4 b/m4/alloca.m4 new file mode 100644 index 000000000..4df039d20 --- /dev/null +++ b/m4/alloca.m4 @@ -0,0 +1,36 @@ +# alloca.m4 serial 2 (gettext-0.12) +dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +AC_DEFUN([gl_FUNC_ALLOCA], +[ + dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57. + AC_REQUIRE([AC_PROG_CPP]) + AC_REQUIRE([AC_PROG_EGREP]) + + AC_REQUIRE([AC_FUNC_ALLOCA]) + if test $ac_cv_func_alloca_works = no; then + gl_PREREQ_ALLOCA + fi + + # Define an additional variable used in the Makefile substitution. + + AC_EGREP_CPP([Need own alloca], [ +#if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H + Need own alloca +#endif + ], + ALLOCA_H=alloca.h, + ALLOCA_H=) + AC_SUBST([ALLOCA_H]) +]) + +# Prerequisites of lib/alloca.c. +# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA. +AC_DEFUN([gl_PREREQ_ALLOCA], [ + AC_CHECK_HEADERS_ONCE(stdlib.h string.h) +]) |