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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.63])
AC_INIT([w_scan], [20170107])
AC_CONFIG_SRCDIR([scan.c])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE
# Checks for programs.
AC_PROG_CC
AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_CPP
# define _GNU_SOURCE
AC_GNU_SOURCE
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h strings.h sys/ioctl.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_MALLOC
AC_CHECK_FUNCS([memset strcasecmp strdup strtoul])
dnl add the external library to the list of libraries which will be used for our test program
# LIBS="-llibtotest $LIBS"
dnl check for the presence of 'dvb/frontend.h'
AC_MSG_CHECKING([for linux/dvb/frontend.h presence])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([#include <linux/dvb/frontend.h>],
[fe_caps_t fakeinstance;])
],
[DVB_HEADER=1], [DVB_HEADER=0])
if test "$DVB_HEADER" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
echo "*******************************************************"
echo "*** ERROR: $PACKAGE requires linux DVB headers,"
echo "*** (usually /usr/include/linux/dvb)."
echo "*** EXITING!"
echo "*******************************************************"
exit 1
fi
dnl check for symbol 'dvb/frontend.h'
AC_MSG_CHECKING([for linux/dvb/frontend.h usability (FE_CAN_2G_MODULATION)])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([#include <linux/dvb/frontend.h>],
[fe_caps_t fakeinstance = FE_CAN_2G_MODULATION;])
],
[HAS_DVB_API5=1], [HAS_DVB_API5=0])
if test "$HAS_DVB_API5" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
echo "*******************************************************"
echo "*** ERROR: $PACKAGE requires latest linux dvb headers."
echo "*** missing symbol 'FE_CAN_2G_MODULATION' in <linux/dvb/frontend.h>"
echo "*** Please update your linux dvb headers,"
echo "*** (usually /usr/include/linux/dvb)."
echo "*** EXITING!"
echo "*******************************************************"
exit 1
fi
dnl check for the version of 'dvb/frontend.h'
AC_MSG_CHECKING([for linux/dvb/frontend.h usability (DVB-T2, DVB API >= v5.3)])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([#include <linux/dvb/frontend.h>],
[fe_delivery_system_t fakeinstance = SYS_DVBT2;])
],
[HAS_DVB_API5=1], [HAS_DVB_API5=0])
if test "$HAS_DVB_API5" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
echo "*******************************************************"
echo "*** ERROR: $PACKAGE requires linux DVB API v5.3 or higher."
echo "*** Please update your linux dvb headers,"
echo "*** (usually /usr/include/linux/dvb)."
echo "*** EXITING!"
echo "*******************************************************"
exit 1
fi
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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