dnl Process this file with autoconf to produce a configure script.

AC_INIT(src/idpc.h)
AM_INIT_AUTOMAKE(idpc, 0.1.0)
AM_CONFIG_HEADER(config.h)
AC_SUBST(VERSION)

ISODATE=`date +%Y-%m-%d`
AC_SUBST(ISODATE)

AC_CANONICAL_HOST

dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_CC

dnl Checks for header files.
AC_HEADER_STDC

dnl Checks for libraries.
PKG_CHECK_MODULES(IDPC, libxml-2.0 neon lasso >= 0.6.0 openssl)
AC_SUBST(IDPC_CFLAGS)
AC_SUBST(IDPC_LIBS)

AC_CHECK_LIB(mysqlclient, mysql_query,,,)
AC_CHECK_LIB(pq, PQexec,,,,)

AC_ARG_WITH(dbengine,
	[  --with-dbengine         select database engine to use [default=postgresql]],
	dbengine=$withval, dbengine=postgresql)

dbfound=no
if test $ac_cv_lib_pq_PQexec = yes ; then
	if test $dbengine = postgresql ; then
		AC_DEFINE(USE_POSTGRESQL, [], [Use PostgreSQL])
		DB_CFLAGS="-I/usr/include/postgresql/" # XXX: may be elsewhere
		DB_LIBS="-lpq"
		dbfound=yes
	fi
else
	if test $dbengine = postgresql ; then
		AC_MSG_ERROR([PostgreSQL is not available, bailing out])
	fi
fi
	
if test $ac_cv_lib_mysqlclient_mysql_query = yes ; then
	if test $dbengine = mysql ; then
		AC_DEFINE(USE_MYSQL, [], [Use MySQL])
		DB_CFLAGS=""
		DB_LIBS="-lmysqlclient"
		dbfound=yes
		LIBS=`echo $LIBS | sed -e "s/-lpq//"`
	else
		LIBS=`echo $LIBS | sed -e "s/-lmysqlclient//"`
	fi
else
	if test $dbengine = mysql ; then
		AC_MSG_ERROR([MySQL is not available, bailing out])
	fi
fi

AC_SUBST(DB_CFLAGS)
AC_SUBST(DB_LIBS)

if test $dbfound = no ; then
	AC_MSG_ERROR([No database engine available, bailing out])
fi

AC_CHECK_PROGS(REST2HTML, rest2html)

AM_CONDITIONAL(HAVE_REST2HTML, test -n "$ac_cv_prog_REST2HTML")

AC_OUTPUT([
Makefile
data/Makefile
doc/Makefile
src/Makefile
])