1#!/usr/bin/m4 2# 3# Copyright (c) 2017-2018 The strace developers. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 3. The name of the author may not be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28AC_DEFUN([st_DEMANGLE], [dnl 29 30AC_ARG_WITH([libiberty], 31 [AS_HELP_STRING([--with-libiberty], 32 [use libiberty to demangle symbols in stack trace])], 33 [case "${withval}" in 34 yes|no|check) ;; 35 *) with_libiberty=yes 36 libiberty_CPPFLAGS="-I${withval}/include" 37 libiberty_LDFLAGS="-L${withval}/lib" ;; 38 esac], 39 [with_libiberty=check] 40) 41 42libiberty_CPPFLAGS= 43libiberty_LDFLAGS= 44libiberty_LIBS= 45use_libiberty=no 46 47AS_IF([test "x$with_libiberty" != xno], 48 [saved_CPPFLAGS="$CPPFLAGS" 49 CPPFLAGS="$CPPFLAGS $libiberty_CPPFLAGS" 50 AC_CHECK_HEADERS([demangle.h libiberty/demangle.h], 51 [saved_LDFLAGS="$LDFLAGS" 52 LDFLAGS="$LDFLAGS $libiberty_LDFLAGS" 53 AC_CHECK_LIB([iberty],[cplus_demangle], 54 [libiberty_LIBS="-liberty" 55 use_libiberty=yes 56 ], 57 [if test "x$with_libiberty" != xcheck; then 58 AC_MSG_FAILURE([failed to find cplus_demangle in libiberty]) 59 fi 60 ] 61 ) 62 LDFLAGS="$saved_LDFLAGS" 63 ], 64 [if test "x$with_libiberty" != xcheck; then 65 AC_MSG_FAILURE([failed to find demangle.h]) 66 fi 67 ] 68 ) 69 CPPFLAGS="$saved_CPPFLAGS" 70 ] 71) 72 73AC_MSG_CHECKING([whether to enable symbols demangling in stack trace]) 74if test "x$use_libiberty" = xyes; then 75 AC_DEFINE([USE_DEMANGLE], 1, [Do symbols demangling in stack trace]) 76 AC_SUBST(libiberty_LIBS) 77 AC_SUBST(libiberty_LDFLAGS) 78 AC_SUBST(libiberty_CPPFLAGS) 79fi 80AC_MSG_RESULT([$use_libiberty]) 81 82]) 83