dnl Process this file with autoconf to produce a configure script
AC_INIT([openbsc],
	m4_esyscmd([./git-version-gen .tarball-version]),
	[openbsc-devel@lists.openbsc.org])

AM_INIT_AUTOMAKE([dist-bzip2])

dnl kernel style compile messages
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

dnl checks for programs
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

dnl checks for libraries
AC_SEARCH_LIBS(crypt, crypt,
    [LIBCRYPT="-lcrypt"; AC_DEFINE([VTY_CRYPT_PW], [], [Use crypt functionality of vty.])])
AC_SEARCH_LIBS(gtp_new, gtp,
    [LIBCRYPT="-lgtp"; AC_SUBST([GPRS_LIBGTP], [1])])

AM_CONDITIONAL(HAVE_LIBGTP, test "x$GPRS_LIBGTP" != "x")

PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.11)
PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 0.1.9)

dnl checks for header files
AC_HEADER_STDC

dnl Checks for typedefs, structures and compiler characteristics

# The following test is taken from WebKit's webkit.m4
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden "
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
AC_COMPILE_IFELSE([char foo;],
      [ AC_MSG_RESULT([yes])
        SYMBOL_VISIBILITY="-fvisibility=hidden"],
        AC_MSG_RESULT([no]))
CFLAGS="$saved_CFLAGS"
AC_SUBST(SYMBOL_VISIBILITY)


dnl Generate the output
AM_CONFIG_HEADER(bscconfig.h)

AC_OUTPUT(
    openbsc.pc
    libsccp.pc
    include/openbsc/Makefile
    include/sccp/Makefile
    include/Makefile
    src/Makefile
    src/ipaccess/Makefile
    src/gprs/Makefile
    tests/Makefile
    tests/debug/Makefile
    tests/gsm0408/Makefile
    tests/db/Makefile
    tests/channel/Makefile
    tests/sccp/Makefile
    Makefile)