AC_INIT(p2psim/p2psim.h)
AM_INIT_AUTOMAKE(p2psim, 0.3)
AM_CONFIG_HEADER(config.h)

AC_CANONICAL_HOST

AC_PROG_CC
AM_PROG_AS
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_RANLIB
AC_PATH_PROGS(M4, gm4 gnum4 m4, '$(top_srcdir)/missing')

dnl Check for GTK and allow conditional Makefile.am statements
dnl AM_PATH_GTK(1.2.0,,AC_MSG_WARN(gtk not available; vis will not be built))

dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 2.0, AC_MSG_WARN([Found GTK...]), AC_MSG_WARN([You don't have GTK. Vis won't be built]))
dnl AM_CONDITIONAL(GTK_AVAILABLE, test "$GSTUFF_CFLAGS")
dnl AC_SUBST(GSTUFF_CFLAGS)
dnl AC_SUBST(GSTUFF_LIBS)

dnl Available from the GNU Autoconf Macro Archive at:
dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_namespaces.html
dnl
AC_DEFUN([AC_CXX_NAMESPACES],
[AC_CACHE_CHECK(whether the compiler implements namespaces,
ac_cv_cxx_namespaces,
[AC_LANG_SAVE
 AC_LANG_CPLUSPLUS
 AC_TRY_COMPILE([namespace Outer { namespace Inner { int i = 0; }}],
                [using namespace Outer::Inner; return i;],
 ac_cv_cxx_namespaces=yes, ac_cv_cxx_namespaces=no)
 AC_LANG_RESTORE
])
if test "$ac_cv_cxx_namespaces" = yes; then
  AC_DEFINE(HAVE_NAMESPACES,,[define if the compiler implements namespaces])
fi
])
AC_CXX_NAMESPACES

dnl Available from the GNU Autoconf Macro Archive at:
dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_cxx_have_ext_hash_map.html
dnl
AC_DEFUN([AC_CXX_HAVE_EXT_HASH_MAP],
[AC_CACHE_CHECK(whether the compiler has ext/hash_map,
ac_cv_cxx_have_ext_hash_map,
[AC_REQUIRE([AC_CXX_NAMESPACES])
  AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  AC_TRY_COMPILE([#include <ext/hash_map>
#ifdef HAVE_NAMESPACES
using namespace __gnu_cxx;
#endif],[hash_map<int, int> t; return 0;],


  ac_cv_cxx_have_ext_hash_map=yes, ac_cv_cxx_have_ext_hash_map=no)
  AC_LANG_RESTORE
])
if test "$ac_cv_cxx_have_ext_hash_map" = yes; then
   AC_DEFINE(HAVE_EXT_HASH_MAP,,[define if the compiler has ext/hash_map])
fi
])
AC_CXX_HAVE_EXT_HASH_MAP


AM_WITH_DMALLOC
AM_WITH_TMGDMALLOC

AC_PROG_INSTALL
AC_PROG_LN_S

dnl let directories share header files
CPPFLAGS="-I"'$(top_srcdir)'" $CPPFLAGS"


AC_LANG_SAVE
AC_LANG_C
CPFSAVE=$CPPFLAGS
CPPFLAGS="-L/usr/local/lib $CPPFLAGS"
LIBSSAVE=$LIBS
dnl Check for standford graph base and build gtitm if available
AC_CHECK_LIB(gb,restore_graph,,AC_MSG_WARN([Stanford graph base not available. gtitm topology will not be built]))
CPPFLAGS=$CPFSAVE
GBLIBS=$LIBS
AC_SUBST(GBLIBS)
LIBS=$LIBSSAVE
AC_LANG_RESTORE


dnl Check for openssl/sha.h
dnl AC_CHECK_HEADER(openssl/sha.h,,AC_MSG_ERROR([openssl/sha.h header file required.]))

LIBSSAVE=$LIBS
CHECK_SSL
SSLLIBS=$LIBS
LIBS=$LIBSSAVE

AC_OUTPUT(Makefile
            eventgenerators/Makefile
            p2psim/Makefile
            observers/Makefile
            protocols/Makefile
            failuremodels/Makefile
            topologies/Makefile
            events/Makefile
            libtask/Makefile
            misc/Makefile)