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36 lines
1.0 KiB
36 lines
1.0 KiB
# alloca.m4 serial 4 (gettext-0.18.2) |
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dnl Copyright (C) 2002-2003, 2006, 2011 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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AC_DEFUN([gl_FUNC_ALLOCA], |
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[ |
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dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57. |
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AC_REQUIRE([AC_PROG_CPP]) |
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AC_REQUIRE([AC_PROG_EGREP]) |
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AC_REQUIRE([AC_FUNC_ALLOCA]) |
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if test $ac_cv_func_alloca_works = no; then |
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gl_PREREQ_ALLOCA |
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fi |
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# Define an additional variable used in the Makefile substitution. |
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AC_EGREP_CPP([Need own alloca], [ |
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#if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H |
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Need own alloca |
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#endif |
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], |
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ALLOCA_H=alloca.h, |
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ALLOCA_H=) |
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AC_SUBST([ALLOCA_H]) |
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AM_CONDITIONAL([GL_GENERATE_ALLOCA_H], [test -n "$ALLOCA_H"]) |
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]) |
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# Prerequisites of lib/alloca.c. |
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# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA. |
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AC_DEFUN([gl_PREREQ_ALLOCA], [ |
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AC_CHECK_HEADERS_ONCE(stdlib.h string.h) |
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: |
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])
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