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Annotation of embedaddon/libiconv/gnulib-local/m4/alloca.m4, revision 1.1.1.1

1.1       misho       1: # alloca.m4 serial 3 (gettext-0.16)
                      2: dnl Copyright (C) 2002-2003, 2006 Free Software Foundation, Inc.
                      3: dnl This file is free software; the Free Software Foundation
                      4: dnl gives unlimited permission to copy and/or distribute it,
                      5: dnl with or without modifications, as long as this notice is preserved.
                      6: 
                      7: AC_DEFUN([gl_FUNC_ALLOCA],
                      8: [
                      9:   dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
                     10:   AC_REQUIRE([AC_PROG_CPP])
                     11:   AC_REQUIRE([AC_PROG_EGREP])
                     12: 
                     13:   AC_REQUIRE([AC_FUNC_ALLOCA])
                     14:   if test $ac_cv_func_alloca_works = no; then
                     15:     gl_PREREQ_ALLOCA
                     16:   fi
                     17: 
                     18:   # Define an additional variable used in the Makefile substitution.
                     19: 
                     20:   AC_EGREP_CPP([Need own alloca], [
                     21: #if defined __GNUC__ || defined _MSC_VER || !HAVE_ALLOCA_H
                     22:   Need own alloca
                     23: #endif
                     24:     ],
                     25:     ALLOCA_H=alloca.h,
                     26:     ALLOCA_H=)
                     27:   AC_SUBST([ALLOCA_H])
                     28: ])
                     29: 
                     30: # Prerequisites of lib/alloca.c.
                     31: # STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
                     32: AC_DEFUN([gl_PREREQ_ALLOCA], [
                     33:   AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
                     34:   :
                     35: ])