dnl $Id$ dnl Copyright (C) 2002 Enrico Scholz dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; version 2 of the License. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. AC_DEFUN([ENSC_FPIC_SYSCALL], [ AC_CACHE_CHECK([whether syscall() allows -fpic], [ensc_cv_c_fpic_syscall], [ ensc_fpic_syscall_old_CFLAGS=$CFLAGS CFLAGS="-fPIC -DPIC" AC_LANG_PUSH(C) AC_COMPILE_IFELSE([ #include #include #include #include #define __NR_dummy 42 _syscall3(int, dummy, int, a, int, b, int, c)], [ensc_cv_c_fpic_syscall=yes], [ensc_cv_c_fpic_syscall=no]) AC_LANG_POP CFLAGS=$ensc_fpic_syscall_old_CFLAGS ]) AM_CONDITIONAL(ENSC_ALLOW_FPIC_WITH_SYSCALL, [test x"$ensc_cv_c_fpic_syscall" = xyes]) ])