#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.63])
AC_INIT([mod_netconf], [1.0.2], [cejkat@cesnet.cz])
AM_INIT_AUTOMAKE([silent-rules])
AM_SILENT_RULES([yes])

USERNAME=`git config --get user.name`
USERMAIL=`git config --get user.email`
AC_SUBST(USERNAME)
AC_SUBST(USERMAIL)

RELEASE=1
AC_SUBST(RELEASE)

AC_ARG_VAR(SU_USER, [Change UID of process according to username.])
if test "x$SU_USER" == x; then
  SU_USER=""
fi
AC_SUBST([SU_USER])

AC_ARG_VAR(SU_GROUP, [Change GID of process according to groupname.])
if test "x$SU_GROUP" == x; then
  SU_GROUP=""
fi
AC_SUBST([SU_GROUP])

AC_ARG_VAR(CHOWN_USER, [Use chown (user) on socket file.])
if test "x$CHOWN_USER" == x; then
  CHOWN_USER=""
fi
AC_SUBST([CHOWN_USER])

AC_ARG_VAR(CHOWN_GROUP, [Use chown (group) on socket file.])
if test "x$CHOWN_GROUP" == x; then
  CHOWN_GROUP=""
fi
AC_SUBST([CHOWN_GROUP])

AC_ARG_VAR(httpdmoduledir, [Installation directory for Apache module, leave unset to use Apache default.])
if test "x$httpdmoduledir" != x; then
	httpdmoduledir="${prefix}/${httpdmoduledir}"
fi
AC_SUBST(httpdmoduledir)

AM_CONDITIONAL([MANUAL_CONFD], [test "x$httpdconfddir" != x])
if test "x$httpdconfddir" == x; then
	httpdconfddir="/etc/httpd/conf.d"
else
	httpdconfddir="${prefix}/${httpdconfddir}"
fi
AC_ARG_VAR(httpdconfddir, [Directory for Apache configuration files [/etc/httpd/conf.d]])
AC_SUBST(httpdconfddir)

# Checks for programs.
AC_ARG_WITH(apxs, AC_HELP_STRING([--with-apxs=NAME],[name of the apxs executable [[apxs]]]), [APXS="$with_apxs"])
if test -z "${APXS}"; then
AC_PATH_PROGS(APXS, [apxs2 apxs], [no], [$PATH:/usr/sbin:/usr/local/apache2/bin])
else
AC_MSG_ERROR([Apxs for Apache module compilation and installation was not found.])
fi


# Check for rpmbuild
AC_CHECK_PROG(RPMBUILD, [rpmbuild], [rpmbuild], [""])
AC_CHECK_PROG(HTTPD, [httpd], [yes], [""])
AC_PATH_PROGS(APACHECTL, apachectl apache2ctl, no, [$PATH:/usr/sbin])

if test "x$APACHECTL" != xno; then
	AC_MSG_CHECKING([for php5_module in apache])
	$APACHECTL -M 2> /dev/null | grep php5_module > /dev/null && AC_MSG_RESULT([yes]) || AC_MSG_ERROR(["php5_module was not found."])
else
AC_MSG_ERROR([apachectl was not found])
fi

# Check for rpmbuild
AC_CHECK_PROG(RPMBUILD, rpmbuild, rpmbuild, [""])
RPM_RELEASE=1
AC_SUBST(RPM_RELEASE)
AM_CONDITIONAL(MAKE_RPMS, test x$RPMBUILD != x)

# Checks for libraries.
# save clean LIBS and CFLAGS
SAVEDTEMP_LIBS=$LIBS
SAVEDTEMP_CFLAGS=$CFLAGS
PKG_CHECK_MODULES([json], [json])
PKG_CHECK_MODULES([websockets], [libwebsockets])
PKG_CHECK_MODULES([apr], [apr-1])
PKG_CHECK_MODULES([aprutil], [apr-util-1])
PKG_CHECK_MODULES([netconf], [libnetconf])
PKG_CHECK_MODULES([xml], [libxml-2.0])
CFLAGS="$json_CFLAGS $websockets_CFLAGS $netconf_CFLAGS $xml_CFLAGS"
LIBS="$json_LIBS $websockets_LIBS $netconf_LIBS $xml_LIBS"
CPPFLAGS="$xml_CPPFLAGS"

AX_PTHREAD([CC="$PTHREAD_CC"],
	    [AC_MSG_ERROR([pthread not found])])

AC_ARG_WITH([notifications],
[AC_HELP_STRING([--without-notifications], [Disable notifications])],
AS_IF([test "x$with_notifications" == "xno"],[CFLAGS="$CFLAGS"],
[AC_CHECK_LIB([websockets], [libwebsocket_create_context])
CFLAGS="$CFLAGS -DWITH_NOTIFICATIONS"]),
[AC_CHECK_LIB([websockets], [libwebsocket_create_context])
CFLAGS="$CFLAGS -DWITH_NOTIFICATIONS"])

# Checks for header files.
AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_INT64_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([getdelim gettimeofday memset socket strdup strerror])

AC_CONFIG_FILES([Makefile
                config.h
		mod_netconf.spec
                conf.d/Makefile
		src/Makefile
		])
AC_OUTPUT

echo
echo
echo "------------------------------------------------------------------------"
echo "$PACKAGE $VERSION"
echo "------------------------------------------------------------------------"
echo
echo
echo "Configuration Options Summary:"
echo
echo "Documentation..........: ${build_doc}"
echo
echo "Compilation............: make (or gmake)"
echo "  asxs.................: $ASXS"
echo "  LIBS.................: $LIBS"
echo "  CFLAGS...............: $CFLAGS"
echo
echo "Installation...........: make install (as root if needed, with 'su' or 'sudo')"
echo "  prefix...............: $prefix"
echo "  python module dir....: $pyplugindir"
echo "  webgui dir...........: $webguidir"
echo "  webgui name..........: $webguiname"
echo "  httpdmoduledir.......: $(test -z "$httpdmoduledir" && echo "Apache default path" || echo "$httpdmoduledir")"
echo "  httpdconfddir........: $(test -z "$httpdconfddir" && echo "Apache default path" || echo "$httpdconfddir")"
echo "Su user for process:...............: $SU_USER"
echo "Su group for process:..............: $SU_GROUP"
echo "Chown user for sock file:...............: $CHOWN_USER"
echo "Chown group for sock file:..............: $CHOWN_GROUP"
echo