configure.ac

   1 AC_PREREQ([2.61])
   2 AC_INIT([media-ctl], [0.0.1], [laurent.pinchart@ideasonboard.com])
   3 AC_CONFIG_SRCDIR([src/main.c])
   4 AC_CONFIG_AUX_DIR([config])
   5 AC_CONFIG_HEADERS([config.h])
   6 AC_CONFIG_MACRO_DIR([m4])
   7
   8 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
   9
  10 # Checks for programs.
  11 AC_PROG_CC
  12 AM_PROG_CC_C_O
  13 # automake 1.12 seems to require this, but automake 1.11 doesn't recognize it
  14 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
  15 AC_PROG_LIBTOOL
  16
  17 # Checks for libraries.
  18
  19 AC_ARG_WITH([libudev],
  20     AS_HELP_STRING([--with-libudev],
  21         [Enable libudev to detect a device name]))
  22
  23 AS_IF([test "x$with_libudev" = "xyes"],
  24     [PKG_CHECK_MODULES(libudev, libudev, have_libudev=yes, have_libudev=no)],
  25     [have_libudev=no])
  26
  27 AS_IF([test "x$have_libudev" = "xyes"],
  28     [
  29         AC_DEFINE([HAVE_LIBUDEV], [], [Use libudev])
  30         LIBUDEV_CFLAGS="$libudev_CFLAGS"
  31         LIBUDEV_LIBS="$libudev_LIBS"
  32         AC_SUBST(LIBUDEV_CFLAGS)
  33         AC_SUBST(LIBUDEV_LIBS)
  34     ],
  35     [AS_IF([test "x$with_libudev" = "xyes"],
  36         [AC_MSG_ERROR([libudev requested but not found])
  37     ])
  38 ])
  39
  40
  41 # Kernel headers path.
  42 AC_ARG_WITH(kernel-headers,
  43     [AC_HELP_STRING([--with-kernel-headers=DIR],
  44         [specify path of Linux kernel headers [/usr/src/kernel-headers]])],
  45     [case "${withval}" in
  46         yes | no) AC_MSG_ERROR([bad value ${withval} for --with-kernel-headers]) ;;
  47         *)   KERNEL_HEADERS_DIR="${withval}" ;;
  48      esac],
  49     [KERNEL_HEADERS_DIR="/usr/src/kernel-headers"])
  50
  51 CPPFLAGS="-I$KERNEL_HEADERS_DIR/include"
  52
  53 # Checks for header files.
  54 AC_CHECK_HEADERS([linux/media.h \
  55                   linux/types.h \
  56                   linux/v4l2-mediabus.h \
  57                   linux/v4l2-subdev.h \
  58                   linux/videodev2.h],
  59                   [],
  60                   [echo "ERROR: Kernel header file not found or not usable!"; exit 1])
  61
  62 AC_CHECK_HEADERS([fcntl.h \
  63                   stdlib.h \
  64                   string.h \
  65                   sys/ioctl.h \
  66                   sys/time.h \
  67                   unistd.h],
  68                   [],
  69                   [echo "ERROR: Header file not found or not usable!"; exit 1])
  70
  71 # Checks for typedefs, structures, and compiler characteristics.
  72 AC_C_INLINE
  73 AC_TYPE_SIZE_T
  74 AC_CHECK_MEMBERS([struct stat.st_rdev])
  75
  76 # Checks for library functions.
  77 AC_HEADER_MAJOR
  78 AS_IF([test "x$cross_compiling" != "xyes"],
  79     [
  80         AC_FUNC_MALLOC
  81         AC_FUNC_REALLOC
  82     ])
  83 AC_CHECK_FUNCS([memset strerror strrchr strtoul])
  84
  85 AC_CONFIG_FILES([
  86  Makefile
  87  src/Makefile
  88  libmediactl.pc
  89  libv4l2subdev.pc
  90 ])
  91
  92 AC_OUTPUT
  93