| | 1 | # alloca.m4 serial 2 (gettext-0.12) |
| | 2 | dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. |
| | 3 | dnl This file is free software, distributed under the terms of the GNU |
| | 4 | dnl General Public License. As a special exception to the GNU General |
| | 5 | dnl Public License, this file may be distributed as part of a program |
| | 6 | dnl that contains a configuration script generated by Autoconf, under |
| | 7 | dnl the same distribution terms as the rest of that program. |
| | 8 | |
| | 9 | AC_DEFUN([gl_FUNC_ALLOCA], |
| | 10 | [ |
| | 11 | dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57. |
| | 12 | AC_REQUIRE([AC_PROG_CPP]) |
| | 13 | AC_REQUIRE([AC_PROG_EGREP]) |
| | 14 | |
| | 15 | AC_REQUIRE([AC_FUNC_ALLOCA]) |
| | 16 | if test $ac_cv_func_alloca_works = no; then |
| | 17 | gl_PREREQ_ALLOCA |
| | 18 | fi |
| | 19 | |
| | 20 | # Define an additional variable used in the Makefile substitution. |
| | 21 | |
| | 22 | AC_EGREP_CPP([Need own alloca], [ |
| | 23 | #if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H |
| | 24 | Need own alloca |
| | 25 | #endif |
| | 26 | ], |
| | 27 | ALLOCA_H=alloca.h, |
| | 28 | ALLOCA_H=) |
| | 29 | AC_SUBST([ALLOCA_H]) |
| | 30 | ]) |
| | 31 | |
| | 32 | # Prerequisites of lib/alloca.c. |
| | 33 | # STACK_DIRECTION is already handled by AC_FUNC_ALLOCA. |
| | 34 | AC_DEFUN([gl_PREREQ_ALLOCA], [ |
| | 35 | AC_CHECK_HEADERS_ONCE(stdlib.h string.h) |
| | 36 | ]) |
projects / bison.git / blame_incremental