AC_INIT([mm-book],[0.0.1],[gpernot@praksys.org])
AM_INIT_AUTOMAKE(mm-book, 0.0.1)
AM_CONFIG_HEADER(mm-book.h)

AC_C_CONST
AC_C_INLINE

AC_PROG_CC
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_LN_S

AC_HEADER_TIME

AC_FUNC_MALLOC

CFLAGS="-Wall -pipe -D_GNU_SOURCE"
MAKEFLAGS="-s $MAKEFLAGS"

AC_ARG_ENABLE(debug,
	AS_HELP_STRING([--enable-debug],
		[enable tracing and debugging flags for all components]),
	[CFLAGS="-ggdb $CFLAGS"; enable_debug=yes],
	[CFLAGS="-O3 -fomit-frame-pointer -ffast-math -floop-optimize2 -DNDEBUG $CFLAGS"])

CHECK_ZLIB
AC_SUBST(ZLIB_CFLAGS)
AC_SUBST(ZLIB_LIBS)

dnl Check for additional libraries that we might use:
dnl =================================================

# we set the defaults always to make sure we have non-empty variables
# for the Makefile

PKG_CHECK_MODULES(LIBOIL, liboil-0.3 >= 0.3.0, HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
AC_SUBST(LIBOIL_CFLAGS)
AC_SUBST(LIBOIL_LIBS)
if test "x${HAVE_LIBOIL}" = xyes ; then
  AC_DEFINE_UNQUOTED(HAVE_LIBOIL, 1, [Define if liboil is being used])
  true
fi

dnl check for pthread
AC_ARG_WITH(libpthread, AC_HELP_STRING([--with-libpthread=DIR],
		    [Where to find libpthread (required)]),
		    libpthread=$withval, libpthread=yes)
if test "$libpthread" != "no"; then
    if test "$libpthread" != "yes"; then
    PTHREAD_LIBS="-L$libpthread/lib"
    PTHREAD_CFLAGS="-I$libpthread/include"
    fi
    AC_CHECK_HEADER(pthread.h,
	    AC_CHECK_LIB(pthread, pthread_create,
			      [libpthread=yes PTHREAD_LIBS="-lpthread"], libpthread=no),
			      libpthread=no)
    AC_SUBST(PTHREAD_CFLAGS)
    AC_SUBST(PTHREAD_LIBS)
fi
if test "$libpthread" != "yes"; then
    AC_MSG_ERROR([Couldn't find required libpthread installation])
fi

dnl check for blas
AC_ARG_WITH(libblas, AC_HELP_STRING([--with-libblas=DIR],
		    [Where to find libblas (required)]),
		    libblas=$withval, libblas=yes)
if test "$libblas" != "no"; then
    if test "$libblas" != "yes"; then
    BLAS_LIBS="-L$libblas/lib"
    BLAS_CFLAGS="-I$libblas/include"
    fi
    AC_CHECK_HEADER(cblas.h,
	    AC_CHECK_LIB(blas, cblas_ddot,
			      [libblas=yes BLAS_LIBS="-lblas"], libblas=no),
			      libblas=no)
    AC_SUBST(BLAS_CFLAGS)
    AC_SUBST(BLAS_LIBS)
fi
if test "$libblas" != "yes"; then
    AC_MSG_ERROR([Couldn't find required libblas installation])
fi

AC_CONFIG_FILES([Makefile
		00-simple/Makefile
		05-block/Makefile
		06-block-enhanced/Makefile
		07-block-unroll/Makefile
		15-simd-oil/Makefile
		20-simd-atlas/Makefile
		35-pthread/Makefile
		40-mosix/Makefile
		45-mosix-zlib/Makefile])
AC_OUTPUT