convert ltt_nesting to a per_thread variable, and access it with volatile access
[ust.git] / configure.ac
1 # -*- Autoconf -*-
2 # Process this file with autoconf to produce a configure script.
3
4 #AC_PREREQ([2.63])
5 AC_INIT([ust], [0.2], [pierre-marc dot fournier at polymtl dot ca])
6 AC_CONFIG_AUX_DIR([config])
7 AC_CANONICAL_TARGET
8 AC_CANONICAL_HOST
9 AC_CONFIG_MACRO_DIR([m4])
10 AM_INIT_AUTOMAKE([foreign])
11 AC_CONFIG_SRCDIR([ustctl/ustctl.c])
12 AC_CONFIG_HEADERS([config.h])
13
14 # Checks for programs.
15 AC_PROG_CC
16 AC_PROG_MAKE_SET
17 AC_PROG_LIBTOOL
18
19 ## Checks for libraries.
20 ## FIXME: Replace `main' with a function in `-ldl':
21 #AC_CHECK_LIB([dl], [main])
22 ## FIXME: Replace `main' with a function in `-lmarkers':
23 #AC_CHECK_LIB([markers], [main])
24 ## FIXME: Replace `main' with a function in `-lpthread':
25 #AC_CHECK_LIB([pthread], [main])
26 ## FIXME: Replace `main' with a function in `-ltracectl':
27 #AC_CHECK_LIB([tracectl], [main])
28 ## FIXME: Replace `main' with a function in `-ltracing':
29 #AC_CHECK_LIB([tracing], [main])
30 ## FIXME: Replace `main' with a function in `-lurcu':
31 #AC_CHECK_LIB([urcu], [main])
32
33 # Checks for header files.
34 #AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
35
36 # Checks for typedefs, structures, and compiler characteristics.
37 AC_C_INLINE
38 #AC_TYPE_INT16_T
39 #AC_TYPE_INT32_T
40 #AC_TYPE_INT64_T
41 #AC_TYPE_INT8_T
42 #AC_TYPE_PID_T
43 #AC_TYPE_SIZE_T
44 #AC_TYPE_SSIZE_T
45 #AC_TYPE_UINT16_T
46 #AC_TYPE_UINT32_T
47 #AC_TYPE_UINT64_T
48 #AC_TYPE_UINT8_T
49 #AC_CHECK_TYPES([ptrdiff_t])
50
51 # Checks for library functions.
52 AC_FUNC_MALLOC
53 AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol])
54
55 # URCU
56
57 # urcu - check if we just find the headers it out of the box.
58 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CFLAGS]=-Idir to specify their location.
59 This error can also occur when the liburcu package's configure script has not been run.])])
60
61 # urcu - check that URCU lib is available to compilation
62 AC_CHECK_LIB([urcu-bp], [synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
63
64 # kcompat
65
66 AC_CHECK_HEADERS([kcompat.h], [], [AC_MSG_ERROR([Cannot find kcompat headers (kcompat.h). Use [CFLAGS]=-Idir to specify their location.])])
67
68 # Check for various supplementary host information (beyond the
69 # triplet) which might affect the library format choices. E.g., we
70 # can be building with `i686-unknown-linux-gnu-gcc -m64'
71
72 case "${host}" in
73 changequote(,)dnl
74 i[34567]86-*-linux*)
75 changequote([,])dnl
76 AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64],
77 [save_CPPFLAGS="$CPPFLAGS"
78 CPPFLAGS="$CPPFLAGS $CFLAGS"
79 AC_EGREP_CPP([got it], [
80 #if __x86_64__
81 got it
82 #endif
83 ], [ust_cv_i386_is_x86_64=yes],
84 [ust_cv_i386_is_x86_64=no])
85 CPPFLAGS="$save_CPPFLAGS"])
86 ;;
87 esac
88
89 AC_MSG_CHECKING([library format for the host system])
90 case $host_cpu in
91 changequote(,)dnl
92 i[3456]86)
93 changequote([,])dnl
94 if test "$ust_cv_i386_is_x86_64" = yes ; then
95 LIBFORMAT="elf64-x86-64"
96 else
97 LIBFORMAT="elf32-i386"
98 fi
99 ;;
100 x86_64) LIBFORMAT="elf64-x86-64" ;;
101 ppc) LIBFORMAT="elf32-powerpc" ;;
102 ppc64) LIBFORMAT="elf64-powerpc" ;;
103 s390) LIBFORMAT="elf32-s390" ;;
104 s390x) LIBFORMAT="elf64-s390" ;;
105 *) AC_MSG_ERROR([unable to detect library format (unsupported architecture?)]) ;;
106 esac
107 AC_SUBST(LIBFORMAT)
108 AC_MSG_RESULT($LIBFORMAT)
109
110 AC_CONFIG_FILES([
111 Makefile
112 include/Makefile
113 libust/Makefile
114 tests/Makefile
115 tests/hello/Makefile
116 tests/hello2/Makefile
117 tests/basic/Makefile
118 tests/basic_long/Makefile
119 tests/fork/Makefile
120 tests/simple_include/Makefile
121 libmallocwrap/Makefile
122 libinterfork/Makefile
123 ustd/Makefile
124 ustctl/Makefile
125 snprintf/Makefile
126 ])
127 AC_OUTPUT
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