dnl Process this file with autoconf to produce a configure script.
AC_INIT(main.c)

HELMPOT_MAJOR_VERSION=0
HELMPOT_MINOR_VERSION=0
HELMPOT_MICRO_VERSION=2
HELMPOT_VERSION=$HELMPOT_MAJOR_VERSION.$HELMPOT_MINOR_VERSION.$HELMPOT_MICRO_VERSION
VERSION=$HELMPOT_VERSION

AC_SUBST(HELMPOT_VERSION)

AC_ARG_ENABLE(
	checks,
	[  --enable-checks[=ARG]   include debugging checks [default=yes]],
	[
		if test $enableval = yes; then
			AC_DEFINE(ENABLE_CHECKS)
		fi
	],
	AC_DEFINE(ENABLE_CHECKS)
)

dnl Automake configuration
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(helmpot, $HELMPOT_VERSION)

dnl Checks for programs.
AC_LANG_C
AC_PROG_CC
AC_ISC_POSIX
AC_CHECK_PROG(HAVE_COLORGCC, colorgcc, yes, no)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)
AC_FUNC_VFORK

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Check for iconv with const pointer as second argument
AC_LANG_C

dnl Checks for libraries
AC_CHECK_LIB(gtk, gtk_window_new,
	[
		CFLAGS="$CFLAGS `gtk-config --cflags`"
		CXXFLAGS="$CXXFLAGS `gtk-config --cflags`"
		LIBS="$LIBS `gtk-config --libs`"
	],
	AC_MSG_ERROR(could not find GTK),
	`gtk-config --libs`
)

AC_CHECK_LIB(minidom, mdom_node_get_type,
	[
		CFLAGS="$CFLAGS `minidom-config --cflags`"
		CXXFLAGS="$CXXFLAGS `minidom-config --cflags`"
		LIBS="$LIBS `minidom-config --libs`"
	],
	AC_MSG_ERROR(could not find minidom),
	`minidom-config --libs` `glib-config --libs`
)

AC_CHECK_LIB(gtkmathview, gtk_math_view_new,
	[
		CFLAGS="$CFLAGS `gtkmathview-config --cflags`"
		CXXFLAGS="$CXXFLAGS `gtkmathview-config --cflags`"
		LIBS="$LIBS `gtkmathview-config --libs`"
	],
	AC_MSG_ERROR(cound not find gtkmathview),
	`gtkmathview-config --libs`
)

if test $HAVE_COLORGCC = "yes"; then
	CC=colorgcc
	CXX=colorgcc
fi

CFLAGS="$CFLAGS -W -Wall"
CXXFLAGS="$CXXFLAGS -W -Wall"

AC_OUTPUT([
Makefile
helmpot.spec
])