Commit | Line | Data |
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48d848c7 PMF |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
4 | ||
7eaaf6cb | 5 | AC_INIT([userspace-rcu], [0.2.3-alpha], [mathieu dot desnoyers at polymtl dot ca]) |
48d848c7 | 6 | AC_CONFIG_AUX_DIR([config]) |
7d413817 MD |
7 | AC_CANONICAL_TARGET |
8 | AC_CANONICAL_HOST | |
48d848c7 PMF |
9 | AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip]) |
10 | AC_CONFIG_SRCDIR([urcu.h]) | |
7d413817 | 11 | |
49617de1 MD |
12 | AH_TEMPLATE([CONFIG_URCU_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 | AH_TEMPLATE([CONFIG_URCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.]) | |
14 | AH_TEMPLATE([CONFIG_URCU_HAVE_FUTEX], [Defined when on a system with futex support.]) | |
c96a3726 | 15 | AC_CONFIG_HEADERS([urcu/config.h]) |
48d848c7 PMF |
16 | |
17 | # Checks for programs. | |
18 | AC_PROG_CC | |
19 | AC_PROG_MAKE_SET | |
20 | AC_PROG_LIBTOOL | |
21 | ||
22 | # Checks for typedefs, structures, and compiler characteristics. | |
23 | AC_C_INLINE | |
24 | AC_TYPE_PID_T | |
25 | AC_TYPE_SIZE_T | |
26 | ||
27 | # Checks for library functions. | |
28 | AC_FUNC_MALLOC | |
29 | AC_FUNC_MMAP | |
30 | AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul]) | |
31 | ||
32 | # Find arch type | |
7d413817 MD |
33 | case $target_cpu in |
34 | i386) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;; | |
35 | i486) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;; | |
36 | i586) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;; | |
37 | i686) ARCHTYPE="x86"; SUBARCHTYPE="x86compat" ;; | |
48d848c7 | 38 | x86_64) ARCHTYPE="x86";; |
48d848c7 PMF |
39 | powerpc) ARCHTYPE="ppc" ;; |
40 | ppc64) ARCHTYPE="ppc" ;; | |
7d413817 | 41 | powerpc64) ARCHTYPE="ppc" ;; |
48d848c7 PMF |
42 | ppc) ARCHTYPE="ppc" ;; |
43 | s390) ARCHTYPE="s390" ;; | |
44 | s390x) ARCHTYPE="s390" ;; | |
45 | *) ARCHTYPE="unknown";; | |
46 | esac | |
47 | ||
48 | if test "$ARCHTYPE" = "unknown"; then | |
49 | AC_MSG_ERROR([Unable to detect the architecture.]) | |
50 | fi | |
51 | AC_SUBST(ARCHTYPE) | |
7d413817 | 52 | AC_SUBST(SUBARCHTYPE) |
48d848c7 | 53 | |
90586875 | 54 | [ |
79da867e | 55 | if test "x$ARCHTYPE" = "xx86" -a "x$target_cpu" != "xi386" -a "x$target_cpu" != "xi486" -a "x$target_cpu" != "xi586"; then |
90586875 | 56 | ] |
49617de1 | 57 | AC_DEFINE([CONFIG_URCU_HAVE_FENCE], [1]) |
90586875 MD |
58 | [ |
59 | fi | |
60 | ] | |
61 | ||
49617de1 | 62 | AC_MSG_CHECKING([sys_futex()]) |
0854ccff MD |
63 | AC_TRY_COMPILE( |
64 | [ | |
65 | #include <sys/syscall.h> | |
66 | ], | |
67 | [ | |
68 | #ifndef __NR_futex | |
69 | #error "futexes not available" | |
70 | #endif | |
71 | ], | |
72 | [ | |
73 | AC_MSG_RESULT([yes]) | |
49617de1 | 74 | AC_DEFINE([CONFIG_URCU_HAVE_FUTEX], [1]) |
0854ccff MD |
75 | compat_futex_test=0 |
76 | ] | |
77 | , | |
78 | [ | |
79 | AC_MSG_RESULT([no]) | |
80 | compat_futex_test=1 | |
81 | ] | |
82 | ) | |
83 | ||
84 | AM_CONDITIONAL([COMPAT_FUTEX], [ test "x$compat_futex_test" = "x1" ]) | |
85 | ||
40646e1e | 86 | AM_CONDITIONAL([GCC_API], [test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc]) |
48d848c7 | 87 | |
0854ccff | 88 | AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = xx86compat ]) |
7d413817 MD |
89 | |
90 | AC_ARG_ENABLE([smp-support], [ --disable-smp-support Disable SMP support. Warning: only use this | |
91 | on uniprocessor systems. [[default=enabled]]], [def_smp_support=$enableval], [def_smp_support="yes"]) | |
92 | ||
93 | [ | |
94 | if test "$def_smp_support" = "no"; then | |
95 | echo "SMP support disabled." | |
96 | else | |
97 | ] | |
49617de1 | 98 | AC_DEFINE([CONFIG_URCU_SMP], [1]) |
7d413817 MD |
99 | [ |
100 | echo "SMP support enabled." | |
101 | fi | |
102 | ] | |
48d848c7 PMF |
103 | |
104 | AC_CONFIG_FILES([ | |
105 | Makefile | |
106 | tests/Makefile | |
107 | ]) | |
108 | AC_OUTPUT |