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- # alloca.m4 serial 3 (gettext-0.16)
- dnl Copyright (C) 2002-2003, 2006 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.
- 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)
- :
- ])
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