configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_INIT([ust], [0.13], [nils dot carlson at ericsson dot com])
   5 AC_CONFIG_AUX_DIR([config])
   6 AC_CANONICAL_TARGET
   7 AC_CANONICAL_HOST
   8 AC_CONFIG_MACRO_DIR([config])
   9 AM_INIT_AUTOMAKE([foreign])
  10 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  11 AC_CONFIG_SRCDIR([ustctl/ustctl.c])
  12 AC_CONFIG_HEADERS([config.h include/ust/config.h])
  13 AH_TEMPLATE([HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
  14
  15 # Checks for programs.
  16 AC_PROG_CC
  17 AC_PROG_MAKE_SET
  18 AC_PROG_LIBTOOL
  19
  20 ## Checks for libraries.
  21 ## FIXME: Replace `main' with a function in `-ldl':
  22 #AC_CHECK_LIB([dl], [main])
  23 ## FIXME: Replace `main' with a function in `-lmarkers':
  24 #AC_CHECK_LIB([markers], [main])
  25 ## FIXME: Replace `main' with a function in `-lpthread':
  26 #AC_CHECK_LIB([pthread], [main])
  27 ## FIXME: Replace `main' with a function in `-ltracectl':
  28 #AC_CHECK_LIB([tracectl], [main])
  29 ## FIXME: Replace `main' with a function in `-ltracing':
  30 #AC_CHECK_LIB([tracing], [main])
  31 ## FIXME: Replace `main' with a function in `-lurcu':
  32 #AC_CHECK_LIB([urcu], [main])
  33
  34 # Checks for header files.
  35 #AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
  36
  37 # Checks for typedefs, structures, and compiler characteristics.
  38 AC_C_INLINE
  39 #AC_TYPE_INT16_T
  40 #AC_TYPE_INT32_T
  41 #AC_TYPE_INT64_T
  42 #AC_TYPE_INT8_T
  43 #AC_TYPE_PID_T
  44 #AC_TYPE_SIZE_T
  45 #AC_TYPE_SSIZE_T
  46 #AC_TYPE_UINT16_T
  47 #AC_TYPE_UINT32_T
  48 #AC_TYPE_UINT64_T
  49 #AC_TYPE_UINT8_T
  50 #AC_CHECK_TYPES([ptrdiff_t])
  51
  52 # Checks for library functions.
  53 AC_FUNC_MALLOC
  54 AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol])
  55
  56 CFLAGS="-Wall $CFLAGS"
  57
  58 # URCU
  59
  60 # urcu - check if we just find the headers it out of the box.
  61 AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CFLAGS]=-Idir to specify their location.
  62 This error can also occur when the liburcu package's configure script has not been run.])])
  63
  64 # urcu - check that URCU lib is available to compilation
  65 AC_CHECK_LIB([urcu-bp], [synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
  66
  67 # urcu - check that URCU lib is at least version 0.5.4
  68 AC_CHECK_LIB([urcu-bp], [rcu_bp_before_fork], [], [AC_MSG_ERROR([liburcu 0.5.4 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
  69
  70 # urcu - check that URCU lib is at least version 0.5
  71 AC_CHECK_DECL([cds_list_add(0, 0)], [], [AC_MSG_ERROR([liburcu 0.5 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])], [[#include <urcu/list.h>]])
  72
  73
  74
  75 # Check for various supplementary host information (beyond the
  76 # triplet) which might affect the library format choices.  E.g., we
  77 # can be building with `i686-unknown-linux-gnu-gcc -m64'
  78
  79 case "${host}" in
  80 changequote(,)dnl
  81   i[34567]86-*-linux*)
  82 changequote([,])dnl
  83     AC_CACHE_CHECK([if building for x86-64], [ust_cv_i386_is_x86_64],
  84                     [save_CPPFLAGS="$CPPFLAGS"
  85                     CPPFLAGS="$CPPFLAGS $CFLAGS"
  86                     AC_EGREP_CPP([got it], [
  87 #if __x86_64__
  88 got it
  89 #endif
  90                  ], [ust_cv_i386_is_x86_64=yes],
  91                     [ust_cv_i386_is_x86_64=no])
  92                     CPPFLAGS="$save_CPPFLAGS"])
  93     ;;
  94 esac
  95
  96 AC_MSG_CHECKING([library format for the host system])
  97 case $host_cpu in
  98 changequote(,)dnl
  99         i[3456]86)
 100 changequote([,])dnl
 101           if test "$ust_cv_i386_is_x86_64" = yes ; then
 102              LIBFORMAT="elf64-x86-64"
 103           else
 104              LIBFORMAT="elf32-i386"
 105           fi
 106           ;;
 107         x86_64) LIBFORMAT="elf64-x86-64" ;;
 108         powerpc) LIBFORMAT="elf32-powerpc" ;;
 109         ppc64) LIBFORMAT="elf64-powerpc" ;;
 110         s390) LIBFORMAT="elf32-s390" ;;
 111         s390x) LIBFORMAT="elf64-s390" ;;
 112         armv5) LIBFORMAT="elf32-littlearm"; NO_UNALIGNED_ACCESS=1 ;;
 113         arm) LIBFORMAT="elf32-littlearm" ;;
 114         mips*) LIBFORMAT="" ;;
 115         *) AC_MSG_ERROR([unable to detect library format (unsupported architecture ($host_cpu)?)]) ;;
 116 esac
 117 AC_SUBST(LIBFORMAT)
 118 AC_MSG_RESULT($LIBFORMAT)
 119
 120 if test "x$host_cpu" = "xarm" ; then
 121 AC_MSG_CHECKING([checking for armv5])
 122 AC_TRY_COMPILE(
 123 [
 124 ],
 125 [
 126 #ifndef __ARM_ARCH_5TEJ__
 127 #error "no arm5 here"
 128 #endif
 129 ],
 130 [
 131         AC_MSG_RESULT([yes])
 132         NO_UNALIGNED_ACCESS=1
 133 ]
 134 ,
 135 [
 136         AC_MSG_RESULT([no])
 137 ]
 138 )
 139 fi
 140 if test x$NO_UNALIGNED_ACCESS = x ; then
 141 AC_DEFINE([HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
 142 fi
 143
 144 AC_CONFIG_FILES([
 145         Makefile
 146         doc/Makefile
 147         doc/man/Makefile
 148         doc/info/Makefile
 149         include/Makefile
 150         libust/Makefile
 151         tests/Makefile
 152         tests/hello/Makefile
 153         tests/hello2/Makefile
 154         tests/basic/Makefile
 155         tests/basic_long/Makefile
 156         tests/fork/Makefile
 157         tests/simple_include/Makefile
 158         tests/snprintf/Makefile
 159         tests/test-nevents/Makefile
 160         tests/test-libustinstr-malloc/Makefile
 161         tests/dlopen/Makefile
 162         tests/same_line_marker/Makefile
 163         tests/trace_event/Makefile
 164         tests/tracepoint/Makefile
 165         tests/tracepoint/benchmark/Makefile
 166         tests/register_test/Makefile
 167         tests/libustctl_function_tests/Makefile
 168         tests/exit-fast/Makefile
 169         libustinstr-malloc/Makefile
 170         libustfork/Makefile
 171         libustconsumer/Makefile
 172         ust-consumerd/Makefile
 173         ustctl/Makefile
 174         libustcomm/Makefile
 175         libustctl/Makefile
 176         snprintf/Makefile
 177 ])
 178 AC_OUTPUT