media-ctl: Fix build error with newer autotools

 Rename configure.in to be configure.ac - required for newer
 versions of autotools (older versions silently handled
 this, now it's an error)

Signed-off-by: Gary Thomas <gary@mlbassoc.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..98459d4
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,93 @@
+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
+AM_PROG_CC_C_O
+# automake 1.12 seems to require this, but automake 1.11 doesn't recognize it
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+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
+