dnl tinmop: an humble mastodon client
dnl Copyright (C) 2020  cage

dnl This program is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation, either version 3 of the License, or
dnl (at your option) any later version.

dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.

dnl You should have received a copy of the GNU General Public License
dnl along with this program.
dnl If not, see [[http://www.gnu.org/licenses/][http://www.gnu.org/licenses/]].

AC_INIT([tinmop],[0.9.2],[https://notabug.org/cage/tinmop/],[tinmop])

AM_INIT_AUTOMAKE([-Wall foreign])

AM_GNU_GETTEXT([external])

AC_CHECK_LIB([ssl], [SSL_get_version], [], AC_MSG_ERROR([Can not find libssl.]))

AC_PATH_PROG([LISP_COMPILER],[sbcl],[no])

if test "$LISP_COMPILER" = "no" ; then
   AC_MSG_ERROR([Can not find SBCL, Common Lisp compiler.])
fi

AC_PATH_PROG([CURL],[curl],[no])

if test "$CURL" = "no" ; then
   AC_MSG_ERROR([Can not find curl.])
   exit 1;
fi

AC_PATH_PROG([GPG],[gpg],[no])

if test "$GPG" = "no" ; then
   AC_MSG_ERROR([Can not find gpg, crypto software.])
   exit 1;
fi

AC_PATH_PROG([UNZIP],[unzip],[no])

if test "$UNZIP" = "no" ; then
   AC_MSG_WARN([Can not find unzip, genpub support will be disabled.])
fi

AC_PATH_PROG([MAN],[man],[no])

if test "$MAN" = "no" ; then
   AC_MSG_WARN([Can not find man.])
fi

AC_PATH_PROG([BASH],[bash],[no])

if test "$BASH" = "no" ; then
   AC_MSG_ERROR([Can not find bash shell.])
   exit 1;
fi

dnl autoconf has an automatic test for AWK
if test -z "${AWK}"; then
   AC_MSG_ERROR([Can not find AWK.])
   exit 1
fi

AC_PATH_PROGS([XDG_OPEN],[xdg-open open],[no])

if test "$XDG_OPEN" = "no" ; then
   AC_MSG_ERROR([Can not find xdg-open.])
   exit 1;
fi

AC_PATH_PROGS([OPENSSL],[openssl],[no])

if test "$OPENSSL" = "no" ; then
   AC_MSG_ERROR([Can not find openssl binary.])
   exit 1;
fi

AC_PATH_PROGS([GIT],[git],[no])

if test "$GIT" = "no" ; then
   AC_MSG_ERROR([Can not find git executable.])
   exit 1;
fi

AC_PROG_MKDIR_P

dnl check sbcl version
SBCL_MIN_VERSION="1.4.16";
SBCL_VERSION=`${LISP_COMPILER} --version | ${AWK} -- '// {print $2}'`

AC_ARG_ENABLE([check-sbcl-version], [AS_HELP_STRING([--disable-check-sbcl-version], [Disable checks for minimum supported SBCL version])], [], [])

if test "$enable_check_sbcl_version" = "yes" || test "$enable_check_sbcl_version" = "" ; then
   SBCL_VERSION_OK=`echo "$SBCL_VERSION $SBCL_MIN_VERSION" | ${AWK} -f compare_version.awk`

   AC_MSG_CHECKING([if the compiler is too old])
   AC_MSG_NOTICE([To Disable this tests use type './configure --disable-check-sbcl-version.])

   if test "$SBCL_VERSION_OK" = "1" ; then
      AC_MSG_ERROR([Lisp compiler too old, $SBCL_MIN_VERSION is the oldest supported.])
      exit 1;
   else
    AC_MSG_RESULT([version is not too old])
   fi
fi

AC_CONFIG_FILES([Makefile quick_quicklisp.sh po/Makefile.in src/config.lisp.in])

AC_OUTPUT