2 # Process this file with autoconf to produce a configure script.
5 AC_INIT([userspace-rcu], [0.2.3-alpha], [mathieu dot desnoyers at polymtl dot ca])
6 AC_CONFIG_AUX_DIR([config])
9 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
10 AC_CONFIG_SRCDIR([urcu.h])
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])
15 # Checks for programs.
20 # Checks for typedefs, structures, and compiler characteristics.
25 # Checks for library functions.
28 AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul])
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";;
46 if test "$ARCHTYPE" = "unknown"; then
47 AC_MSG_ERROR([Unable to detect the architecture.])
52 AM_CONDITIONAL([GCC_API], [test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc])
54 AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" == xx86compat ])
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=$enableval], [def_smp_support="yes"])
60 if test "$def_smp_support" = "no"; then
61 echo "SMP support disabled."
64 AC_DEFINE([CONFIG_SMP], [1])
66 echo "SMP support enabled."