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