# Process this file with autoconf to produce a configure script.
AC_INIT([Tlf],
	[1.3.2],
	[tlf-devel@nongnu.org],
	[tlf],
	[https://github.com/Tlf/tlf])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([src/tlf.h])
AC_CONFIG_MACRO_DIR([macros])
AC_CONFIG_HEADERS([config.h])

dnl Clean compilation output makes compiler warnings more visible
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h \
	sys/ioctl.h sys/socket.h sys/time.h syslog.h termios.h])

# Checks for typedefs, structures, and compiler characteristics.
dnl needed? AC_HEADER_STDBOOL
AC_TYPE_MODE_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T

# Checks for library functions.
dnl obsolescent AC_PROG_GCC_TRADITIONAL
dnl obsolescent AC_FUNC_STRFTIME
AC_CHECK_FUNCS([bzero floor ftruncate gethostbyname memset mkfifo putenv \
	select socket sqrt strcasecmp strchr strcspn strdup strpbrk strspn \
	strstr])

# Checks for libraries.
AC_CHECK_LIB([m], [atan], [
	AC_DEFINE([HAVE_LIBM], [1],
		[Define to 1 if you have the `m' library (-lm).])
	AC_SUBST([LIBM_LIB], [-lm])], [
	AC_MSG_ERROR([m library not found...])])

AX_PTHREAD


##----------------------------------##
## Third party library tests follow ##
##----------------------------------##

dnl Make certain pkg-config is installed
PKG_PROG_PKG_CONFIG([0.16])

AS_IF([test "x$PKG_CONFIG" = x],
	[AC_MSG_ERROR([pkg-config is required to configure $PACKAGE_NAME])])

dnl From /usr/share/aclocal/glib-2.0.m4 on Debian 8.0.
dnl Provides compilation testing of the found glib library for suitability.
AM_PATH_GLIB_2_0

dnl check for cmocka test framework and warn if not installed
have_cmocka="yes"
PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.1.0],,[have_cmocka="no"])
AC_CHECK_HEADER([setjmp.h])
AC_CHECK_HEADER([cmocka.h],, [have_cmocka="no"],
[#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
])

if test "${have_cmocka}" = "no"; then
    AC_MSG_WARN([you will need cmocka for running unit tests])
fi


# ncurses and panel required, if not found exit with error message.

dnl macros/ax_with_curses.m4
AX_WITH_CURSES

AS_IF([test "x$ax_cv_curses" != xyes || test "x$ax_cv_curses_color" != xyes],
	[AC_MSG_ERROR([a Curses library with color support is required])])

dnl macros/ax_with_curses_extra.m4
AX_WITH_CURSES_PANEL

AS_IF([test "x$ax_cv_panel" != xyes],
	[AC_MSG_ERROR([the Curses Panel library is required])])


dnl Check if we want to link the Hamradio control libraries (hamlib)
AC_MSG_CHECKING([whether to build Hamlib support])
AC_ARG_ENABLE([hamlib],
	[AS_HELP_STRING([--enable-hamlib],
		[Add support for Ham Radio Control Libraries])],
	[wanthamlib=true],
	[wanthamlib=false])

AS_IF([test "x$wanthamlib" = xtrue], [
	dnl Look for hamlib
	AC_MSG_RESULT([yes])
	hamlib_modules="hamlib >= 1.2.8"
	PKG_CHECK_MODULES([HAMLIB], [$hamlib_modules], [],
		[AC_MSG_ERROR([Hamradio control libraries 1.2.8 or later not found...])])

	tlf_saved_LIBS=$LIBS
	LIBS="$LIBS $HAMLIB_LIBS"

	AC_CHECK_LIB([hamlib], [rig_open], [
		AC_DEFINE([HAVE_LIBHAMLIB], [1],
			[Define to 1 if you have the `hamlib' library (-lhamlib).])], [
		AC_MSG_ERROR([Hamradio control libraries not found!])])

	LIBS=$tlf_saved_LIBS

	tlf_saved_CFLAGS=$CFLAGS
	tlf_saved_CPPFLAGS=$CPPFLAGS
	CFLAGS="$CFLAGS $HAMLIB_CFLAGS"
	CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags-only-I hamlib 2>&1`"

	AC_CHECK_HEADERS([hamlib/rig.h], [], [
		AC_MSG_ERROR([Hamlib headers not found...])])

	CPPFLAGS=$tlf_saved_CPPFLAGS
	CFLAGS=$tlf_saved_CFLAGS], [

	dnl else Hamlib not wanted
	AC_MSG_RESULT([no])])


dnl Check if we want to use xmlrpc to read carrier from Fldigi
AC_MSG_CHECKING([whether to build Fldigi XML RPC support])
AC_ARG_ENABLE([fldigi-xmlrpc],
	[AS_HELP_STRING([--enable-fldigi-xmlrpc],
		[Add support for XMLRPC to read Fldigi's carrier (usually in RTTY/DIGIMODE)])],
	[wantfldigixmlrpc=true],
	[wantfldigixmlrpc=false])

AS_IF([test "x$wantfldigixmlrpc" = xtrue], [
	dnl Look for xmlrpc libraries
	AC_MSG_RESULT([yes])

	AC_CHECK_LIB([xmlrpc], [xmlrpc_read_int], [
		AC_DEFINE([HAVE_LIBXMLRPC], [1],
			[Define to 1 if you have the `xmlrpc' library (-lxmlrpc).])
		AC_SUBST([LIBXMLRPC_LIB], [-lxmlrpc])], [
		AC_MSG_ERROR([xmlrpc library not found...])])

	AC_CHECK_LIB([xmlrpc_client], [xmlrpc_client_cleanup], [
		AC_DEFINE([HAVE_LIBXMLRPC_CLIENT], [1],
			[Define to 1 if you have the `xmlrpc_client' library (-lxmlrpc_client).])
		AC_SUBST([LIBXMLRPC_CLIENT_LIB], [-lxmlrpc_client])], [
		AC_MSG_ERROR([xmlrpc-client library not found...])])

	AC_CHECK_LIB([xmlrpc_util], [xmlrpc_env_init], [
		AC_DEFINE([HAVE_LIBXMLRPC_UTIL], [1],
			[Define to 1 if you have the `xmlrpc_util' library (-lxmlrpc_util).])
		AC_SUBST([LIBXMLRPC_UTIL_LIB], [-lxmlrpc_util])], [
		AC_MSG_ERROR([xmlrpc-util library not found...])])

	AC_CHECK_HEADERS([xmlrpc-c/base.h], [], [
		AC_MSG_ERROR([xmlrpc-c/base.h header not found...])])

	AC_CHECK_HEADERS([xmlrpc-c/client.h], [], [
		AC_MSG_ERROR([xmlrpc-c/client.h header not found...])])], [

	dnl else Fldigi XML RPC not wanted
	AC_MSG_RESULT([no])])


dnl Set warnings for compilation
dnl CFLAGS is reserved for user, so set the AM_* counterpart.
# macros/ax_cflags_warn_all.m4
AX_CFLAGS_WARN_ALL([AM_CFLAGS])

AC_SUBST([AM_CFLAGS])

m4_syscmd([ cd test; perl generate_defs.pl ])


AC_CONFIG_FILES([Makefile
	doc/Makefile
	rules/Makefile
	scripts/Makefile
	share/Makefile
	src/Makefile
	test/Makefile
	tlf.1])

AC_OUTPUT

echo \
"----------------------------------------------------------------------

 ${PACKAGE_NAME} Version ${PACKAGE_VERSION} configuration:

 Prefix         ${prefix}
 Preprocessor   ${CPP} ${CPPFLAGS}
 C Compiler     ${CC} ${CFLAGS}

 Package features:

 With Hamlib	$wanthamlib
 With XML RPC	$wantfldigixmlrpc

-----------------------------------------------------------------------"