[uLib Geometry]

non working version!

+ adds ProgrammableAccessor
+ renaming of some Image structures ...

m4/zeromq.m4

@@ -0,0 +1,90 @@
+#
+# Configure paths and flags for the ZeroMQ library.
+# Denis Arnaud <denis_arnaud at users dot sourceforge dot net>, May 2011
+#
+# Variables set by this macro:
+#  * AM_PATH_ZEROMQ
+#  * ZEROMQ_VERSION
+#  * ZEROMQ_CFLAGS
+#  * ZEROMQ_LIBS
+#
+
+AC_DEFUN([AM_PATH_ZEROMQ],
+[
+AC_LANG_SAVE
+AC_LANG([C++])
+
+##
+AC_ARG_WITH(zeromq,
+	[[  --with-zeromq[=PFX] Prefix where ZeroMQ is installed (optional) ]],
+	    zeromq_dir="$withval",
+	    zeromq_dir="")
+
+	ac_zeromq_path=""
+    if test "x${zeromq_dir}" = "xno"
+	then
+      without_zeromq=yes
+    elif test "x${zeromq_dir}" != "xyes"
+	then
+      with_arg="${zeromq_dir}/include:-L${zeromq_dir}/lib ${zeromq_dir}/include/zeromq:-L${zeromq_dir}/lib"
+    fi
+
+  ##
+  AC_MSG_CHECKING(for zmq.hpp)
+
+  if test "x$without_zeromq" != "xyes"
+  then
+    for i in $with_arg /usr/include: /usr/local/include:-L/usr/local/lib \
+	    /usr/pkg/include:-L/usr/pkg/lib
+    do
+      ac_zeromq_path=`echo "$i" | sed 's/:.*//'`
+      lib=`echo "$i" | sed 's/.*://'`
+
+      if test -f ${ac_zeromq_path}/zmq.hpp
+      then
+        AC_MSG_RESULT(${ac_zeromq_path}/zmq.hpp)
+	ZEROMQ_LIBS="$lib -lzmq"
+
+	AC_DEFINE(HAVE_ZEROMQ, 1, [define if you have ZeroMQ])
+	have_zeromq=yes
+	break
+      fi
+    done
+  fi
+
+  if test "x$have_zeromq" != "xyes"; then
+	AC_MSG_ERROR([The ZeroMQ library cannot be found. You may want to install zeromq-devel (RPM-based)/zeromq-dev (Debian-based) package.])
+  fi
+
+  ## ZeroMQ version
+  zeromq_lib_version_req=ifelse([$1], ,2.0,$1)
+  AC_MSG_CHECKING(for zeromq lib version >= $zeromq_lib_version_req)
+  succeeded=no
+  zeromq_lib_version_req_shorten=`expr $zeromq_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
+  zeromq_lib_version_req_major=`expr $zeromq_lib_version_req : '\([[0-9]]*\)'`
+  zeromq_lib_version_req_minor=`expr $zeromq_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
+  WANT_ZEROMQ_VERSION=`expr $zeromq_lib_version_req_major \* 100 \+  $zeromq_lib_version_req_minor`
+
+  # The lines specifying the ZeroMQ version are like the following:
+  #define ZMQ_VERSION_MAJOR 2
+  #define ZMQ_VERSION_MINOR 1
+  #define ZMQ_VERSION_PATCH 4
+  zeromq_version_major=`grep "define ZMQ_VERSION_MAJOR" ${ac_zeromq_path}/zmq.h | cut -d' ' -f3`
+  zeromq_version_minor=`grep "define ZMQ_VERSION_MINOR" ${ac_zeromq_path}/zmq.h | cut -d' ' -f3`
+  zeromq_version_computed=`expr $zeromq_version_major \* 100 \+  $zeromq_version_minor`
+  ZEROMQ_VERSION="${zeromq_version_major}.${zeromq_version_minor}"
+
+  if test ${zeromq_version_computed} -ge ${WANT_ZEROMQ_VERSION}
+  then
+	AC_MSG_RESULT([yes (${ZEROMQ_VERSION}.)])
+  else
+	AC_MSG_ERROR([The version (${ZEROMQ_VERSION}) of the ZeroMQ library is too old. You may want to upgrade your zeromq package.])
+  fi
+
+  ##
+  AC_SUBST([ZEROMQ_VERSION])
+  AC_SUBST([ZEROMQ_CFLAGS])
+  AC_SUBST([ZEROMQ_LIBS])
+
+AC_LANG_RESTORE
+])