dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.2)
AC_INIT(rpm2html.h)
AC_REVISION

dnl
dnl Checks for platform information
dnl

AC_CANONICAL_SYSTEM
AC_CONFIG_HEADER(config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_LN_S
AC_PROG_INSTALL
AC_PATH_PROG(CP, cp, /bin/cp)
AC_PATH_PROG(RM, rm, /bin/rm)
AC_PATH_PROG(MV, mv, /bin/mv)
AC_PATH_PROG(TAR, tar, /bin/tar)
AC_PATH_PROG(GZIP, gzip, /bin/gzip)

dnl Checks for libraries.
dnl Replace `main' with a function in -lrpm:
for z in z gz ; do
   AC_CHECK_LIB(${z}, deflate,
     [LIBS="-l${z} $LIBS"; break])
done
AC_CHECK_LIB(intl, gettext)

AC_CHECK_FUNC(dbopen, [], [
  AC_CHECK_LIB(db-3.1, db_create, [LIBS="-ldb-3.1 $LIBS"],
    AC_CHECK_LIB(db-3.0, db_create, [LIBS="-ldb-3.0 $LIBS"],
      AC_CHECK_LIB(db1, dbopen, [LIBS="-ldb1 $LIBS"],
        AC_CHECK_LIB(db, dbopen, [LIBS="-ldb $LIBS"],
           AC_MSG_ERROR([*** db lib not found])))))
])

AC_CHECK_LIB(popt, poptGetContext,
  [LIBS="-lpopt $LIBS"],
  AC_MSG_ERROR(*** libpopt not found))

AC_CHECK_LIB(rpmio, Fopen,
  [LIBS="-lrpmio $LIBS";
	AC_DEFINE_UNQUOTED(USE_RPMIO, 1)
	AC_SUBST(USE_RPMIO)
  ])

AC_CHECK_LIB(rpm, rpmReadConfigFiles,
  [LIBS="-lrpm $LIBS"],
  AC_MSG_ERROR(*** librpm not found))

dnl
dnl Is there a specific path for RPM stuff ?
dnl

RPM_CFLAGS="-I/usr/include/rpm"
RPM_LIBS="-L/usr/lib"
AC_ARG_WITH(rpm-prefix, [  --with-rpm-prefix       Prefix for RPM  (/usr)])
if test "$with_rpm_prefix" != "" ; then
    RPM_CFLAGS="-I$with_rpm_prefix/include/rpm"
    RPM_LIBS="-L$with_rpm_prefix/libs"
fi

AC_ARG_WITH(rpm-includes, [  --with-rpm-includes     Includes for RPM  (/usr/include/rpm)])
if test "$with_rpm_includes" != "" ; then
    RPM_CFLAGS="-I$with_rpm_includes"
fi

AC_ARG_WITH(rpm-flags, [  --with-rpm-flags        Libs for RPM  (/usr/lib)])
if test "$with_rpm_flags" != "" ; then
    RPM_LIBS="-L$with_rpm_flags"
fi

AC_SUBST(RPM_CFLAGS)
AC_SUBST(RPM_LIBS)

dnl hack: we're gonna use rpm-3.1
AC_DEFINE_UNQUOTED(USE_RPM310, 1)
AC_SUBST(USE_RPM310)
AC_CHECK_LIB(rpm, rpmReadConfigFiles,,AC_MSG_ERROR(*** rpm lib not found))

dnl
dnl Checking for libxml
dnl
AC_CHECK_PROG(XML_CONFIG, xml-config, xml-config)
if test "$XML_CONFIG" != ""
then
    XML_LIBS="`xml-config --libs`"
    XML_CFLAGS="`xml-config --cflags`"
else
    echo rpm2html needs libxml to be installed
    echo On Linux you will need the libxml and libxml-devel packages
    echo You can find them at ftp://rpmfind.net/pub/veillard
    exit 1
fi
AC_SUBST(XML_LIBS)
AC_SUBST(XML_CFLAGS)

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(db_185.h db1/db.h)
AC_CHECK_HEADERS(fcntl.h unistd.h ctype.h dirent.h errno.h malloc.h)
AC_CHECK_HEADERS(rpm/rpmio.h)
AC_CHECK_HEADERS(stdarg.h sys/stat.h sys/types.h time.h)
AC_CHECK_HEADERS(zlib.h rpm/rpmlib.h)

dnl Checks for library functions.
AC_FUNC_STRFTIME
AC_CHECK_FUNCS(gethostname strdup strndup strerror snprintf unlink)

dnl
dnl Do we plug in the database backend ?
dnl

SQL_FLAGS=
SQL_OBJ=
SQL_PROGS=
AC_ARG_WITH(sql, [  --with-sql              Add the SQL support (off)])
if test "$with_sql" = "yes" ; then
    AC_CHECK_LIB(mysqlclient, mysql_init,
      [LIBS="-lmysqlclient $LIBS"],
      AC_MSG_ERROR(*** libmysqlclient not found))

    echo Enabling SQL support
    SQL_FLAGS="-DWITH_SQL"
    SQL_OBJ=sql.o
    SQL_PROGS=sqltools
fi
AC_SUBST(SQL_FLAGS)
AC_SUBST(SQL_PROGS)
AC_SUBST(SQL_OBJ)

dnl
dnl Do we plug in the gpg?
dnl

GPG_FLAGS=
GPG_PROG=
AC_ARG_WITH(gpg, [  --with-gpg              Add the GPG support (off)])
if test "x$with_gpg" != "x" ; then
    if test "$with_gpg" = "yes" ; then
        AC_PATH_PROG(GPG_PROG, gpg, /usr/bin/gpg)
    else
        AC_PATH_PROG(GPG_PROG, gpg, "$with_gpg")
    fi

    dnl for now, signature resolving code is implemented only with librpmio
    dnl so without librpmio it wont work
    if "x$USE_RPMIO" != "x1" ; then
	AC_MSG_ERROR(*** librpmio not found, use --without-gpg)
    fi

    echo Enabling GPG support
    GPG_FLAGS="-DWITH_GPG -DGPG_PROG=\\\"$GPG_PROG\\\""
fi
AC_SUBST(GPG_FLAGS)
AC_SUBST(GPG_PROG)

AC_OUTPUT(Makefile)