configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4
   5 AC_INIT([userspace-rcu], [0.2.3-alpha], [mathieu dot desnoyers at polymtl dot ca])
   6 AC_CONFIG_AUX_DIR([config])
   7 AC_CANONICAL_TARGET
   8 AC_CANONICAL_HOST
   9 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
  10 AC_CONFIG_SRCDIR([urcu.h])
  11
  12 AH_TEMPLATE([CONFIG_SMP], [Enable SMP support. With SMP support enabled, uniprocessors are also supported. With SMP support disabled, UP systems work fine, but the behavior of SMP systems is undefined.])
  13 AC_CONFIG_HEADERS([config.h])
  14
  15 # Checks for programs.
  16 AC_PROG_CC
  17 AC_PROG_MAKE_SET
  18 AC_PROG_LIBTOOL
  19
  20 # Checks for typedefs, structures, and compiler characteristics.
  21 AC_C_INLINE
  22 AC_TYPE_PID_T
  23 AC_TYPE_SIZE_T
  24
  25 # Checks for library functions.
  26 AC_FUNC_MALLOC
  27 AC_FUNC_MMAP
  28 AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul])
  29
  30 # Find arch type
  31 case $target_cpu in
  32         i386) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
  33         i486) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
  34         i586) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
  35         i686) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;;
  36         x86_64) ARCHTYPE="x86";;
  37         powerpc) ARCHTYPE="ppc" ;;
  38         ppc64) ARCHTYPE="ppc" ;;
  39         powerpc64) ARCHTYPE="ppc" ;;
  40         ppc) ARCHTYPE="ppc" ;;
  41         s390) ARCHTYPE="s390" ;;
  42         s390x) ARCHTYPE="s390" ;;
  43         *) ARCHTYPE="unknown";;
  44 esac
  45
  46 if test "$ARCHTYPE" = "unknown"; then
  47         AC_MSG_ERROR([Unable to detect the architecture.])
  48 fi
  49 AC_SUBST(ARCHTYPE)
  50 AC_SUBST(SUBARCHTYPE)
  51
  52 AM_CONDITIONAL([GCC_API], [test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc])
  53
  54 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" == xx86compat ])
  55
  56 AC_ARG_ENABLE([smp-support], [  --disable-smp-support   Disable SMP support. Warning: only use this
  57                           on uniprocessor systems. [[default=enabled]]], [def_smp_support=$enableval], [def_smp_support="yes"])
  58
  59 [
  60 if test "$def_smp_support" = "no"; then
  61         echo "SMP support disabled."
  62 else
  63 ]
  64         AC_DEFINE([CONFIG_SMP], [1])
  65 [
  66         echo "SMP support enabled."
  67 fi
  68 ]
  69
  70 AC_CONFIG_FILES([
  71         Makefile
  72         tests/Makefile
  73 ])
  74 AC_OUTPUT