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AC_PREREQ([2.61])
AC_INIT([media-ctl], [0.0.1], [laurent.pinchart@ideasonboard.com])
AC_CONFIG_SRCDIR([src/main.c])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([-Wall -Werror foreign])
# Checks for programs.
AC_PROG_CC
AC_PROG_LIBTOOL
# Checks for libraries.
AC_ARG_WITH([libudev],
AS_HELP_STRING([--with-libudev],
[Enable libudev to detect a device name]))
AS_IF([test "x$with_libudev" = "xyes"],
[PKG_CHECK_MODULES(libudev, libudev, have_libudev=yes, have_libudev=no)],
[have_libudev=no])
AS_IF([test "x$have_libudev" = "xyes"],
[
AC_DEFINE([HAVE_LIBUDEV], [], [Use libudev])
LIBUDEV_CFLAGS="$libudev_CFLAGS"
LIBUDEV_LIBS="$libudev_LIBS"
AC_SUBST(LIBUDEV_CFLAGS)
AC_SUBST(LIBUDEV_LIBS)
],
[AS_IF([test "x$with_libudev" = "xyes"],
[AC_MSG_ERROR([libudev requested but not found])
])
])
# Kernel headers path.
AC_ARG_WITH(kernel-headers,
[AC_HELP_STRING([--with-kernel-headers=DIR],
[specify path of Linux kernel headers [/usr/src/kernel-headers]])],
[case "${withval}" in
yes | no) AC_MSG_ERROR([bad value ${withval} for --with-kernel-headers]) ;;
*) KERNEL_HEADERS_DIR="${withval}" ;;
esac],
[KERNEL_HEADERS_DIR="/usr/src/kernel-headers"])
CPPFLAGS="-I$KERNEL_HEADERS_DIR/include"
# Checks for header files.
AC_CHECK_HEADERS([linux/media.h \
linux/types.h \
linux/v4l2-mediabus.h \
linux/v4l2-subdev.h \
linux/videodev2.h],
[],
[echo "ERROR: Kernel header file not found or not usable!"; exit 1])
AC_CHECK_HEADERS([fcntl.h \
stdlib.h \
string.h \
sys/ioctl.h \
sys/time.h \
unistd.h],
[],
[echo "ERROR: Header file not found or not usable!"; exit 1])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_SIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
# Checks for library functions.
AC_HEADER_MAJOR
AS_IF([test "x$cross_compiling" != "xyes"],
[
AC_FUNC_MALLOC
AC_FUNC_REALLOC
])
AC_CHECK_FUNCS([memset strerror strrchr strtoul])
AC_CONFIG_FILES([
Makefile
src/Makefile
libmediactl.pc
libv4l2subdev.pc
])
AC_OUTPUT
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