Update CMake java functions

3 files changed, 225 insertions, 40 deletions

diff --git a/config/cmake/FindJNI.cmake b/config/cmake/FindJNI.cmake
index 440a9889..9105f3d 100644
--- a/config/cmake/FindJNI.cmake
+++ b/config/cmake/FindJNI.cmake
@@ -63,7 +63,7 @@ macro(java_append_library_directories _var)
     elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
         set(_java_libarch "ppc64" "ppc")
     elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)")
-        set(_java_libarch "ppc")
+        set(_java_libarch "ppc" "ppc64")
     elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^sparc")
         # Both flavours can run on the same processor
         set(_java_libarch "${CMAKE_SYSTEM_PROCESSOR}" "sparc" "sparcv9")
@@ -92,10 +92,14 @@ macro(java_append_library_directories _var)
         if(_path MATCHES "{libarch}")
             foreach(_libarch ${_java_libarch})
                 string(REPLACE "{libarch}" "${_libarch}" _newpath "${_path}")
-                list(APPEND ${_var} "${_newpath}")
+                if(EXISTS ${_newpath})
+                    list(APPEND ${_var} "${_newpath}")
+                endif()
             endforeach()
         else()
-            list(APPEND ${_var} "${_path}")
+            if(EXISTS ${_path})
+                list(APPEND ${_var} "${_path}")
+            endif()
         endif()
     endforeach()
 endmacro()
@@ -161,6 +165,10 @@ JAVA_APPEND_LIBRARY_DIRECTORIES(JAVA_AWT_LIBRARY_DIRECTORIES
   /usr/lib/jvm/default-java/jre/lib/{libarch}
   /usr/lib/jvm/default-java/jre/lib
   /usr/lib/jvm/default-java/lib
+  # Ubuntu specific paths for default JVM
+  /usr/lib/jvm/java-8-openjdk-{libarch}/jre/lib/{libarch}     # Ubuntu 15.10
+  /usr/lib/jvm/java-7-openjdk-{libarch}/jre/lib/{libarch}     # Ubuntu 15.10
+  /usr/lib/jvm/java-6-openjdk-{libarch}/jre/lib/{libarch}     # Ubuntu 15.10
   # OpenBSD specific paths for default JVM
   /usr/local/jdk-1.7.0/jre/lib/{libarch}
   /usr/local/jre-1.7.0/lib/{libarch}
@@ -191,6 +199,9 @@ list(APPEND JAVA_AWT_INCLUDE_DIRECTORIES
   "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.4;JavaHome]/include"
   "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\1.3;JavaHome]/include"
   "[HKEY_LOCAL_MACHINE\\SOFTWARE\\JavaSoft\\Java Development Kit\\${java_install_version};JavaHome]/include"
+)
+
+JAVA_APPEND_LIBRARY_DIRECTORIES(JAVA_AWT_INCLUDE_DIRECTORIES
   ${_JAVA_HOME}/include
   /usr/include
   /usr/java/include
@@ -209,6 +220,9 @@ list(APPEND JAVA_AWT_INCLUDE_DIRECTORIES
   /usr/lib/jvm/java-7-openjdk-amd64/include
   /usr/lib64/jvm/java-7-openjdk/include
   /usr/lib64/jvm/java-7-openjdk-amd64/include
+  /usr/lib/jvm/java-8-openjdk-{libarch}/include  # ubuntu 15.10
+  /usr/lib/jvm/java-7-openjdk-{libarch}/include  # ubuntu 15.10
+  /usr/lib/jvm/java-6-openjdk-{libarch}/include  # ubuntu 15.10
   /usr/local/share/java/include
   /usr/lib/j2sdk1.4-sun/include
   /usr/lib/j2sdk1.5-sun/include
@@ -290,7 +304,8 @@ find_path(JAVA_INCLUDE_PATH jni.h
   ${JAVA_AWT_INCLUDE_DIRECTORIES}
 )
 
-find_path(JAVA_INCLUDE_PATH2 jni_md.h
+find_path(JAVA_INCLUDE_PATH2 NAMES jni_md.h jniport.h
+  PATHS
   ${JAVA_INCLUDE_PATH}
   ${JAVA_INCLUDE_PATH}/darwin
   ${JAVA_INCLUDE_PATH}/win32
@@ -300,6 +315,7 @@ find_path(JAVA_INCLUDE_PATH2 jni_md.h
   ${JAVA_INCLUDE_PATH}/solaris
   ${JAVA_INCLUDE_PATH}/hp-ux
   ${JAVA_INCLUDE_PATH}/alpha
+  ${JAVA_INCLUDE_PATH}/aix
 )
 
 find_path(JAVA_AWT_INCLUDE_PATH jawt.h
@@ -316,8 +332,11 @@ endif()
 
 #include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
 INCLUDE (FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(JNI  DEFAULT_MSG  JAVA_AWT_LIBRARY JAVA_JVM_LIBRARY
-                                                    JAVA_INCLUDE_PATH  JAVA_INCLUDE_PATH2 JAVA_AWT_INCLUDE_PATH)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(JNI  DEFAULT_MSG  JAVA_AWT_LIBRARY
+                                                    JAVA_JVM_LIBRARY
+                                                    JAVA_INCLUDE_PATH
+                                                    JAVA_INCLUDE_PATH2
+                                                    JAVA_AWT_INCLUDE_PATH)
 
 mark_as_advanced(
   JAVA_AWT_LIBRARY
diff --git a/config/cmake/UseJava.cmake b/config/cmake/UseJava.cmake
index 9b2b1e0..354cfc1 100644
--- a/config/cmake/UseJava.cmake
+++ b/config/cmake/UseJava.cmake
@@ -169,7 +169,7 @@
 #
 # ::
 #
-#    The add_jar() functions sets some target properties. You can get these
+#    The add_jar() function sets some target properties. You can get these
 #    properties with the
 #       get_property(TARGET <target_name> PROPERTY <propery_name>)
 #    command.
@@ -217,6 +217,19 @@
 # This command installs the TARGET_NAME files to the given DESTINATION.
 # It should be called in the same scope as add_jar() or it will fail.
 #
+# Target Properties:
+#
+# ::
+#
+#    The install_jar() function sets the INSTALL_DESTINATION target property
+#    on jars so installed. This property holds the DESTINATION as described
+#    above, and is used by install_jar_exports(). You can get this property
+#    with the
+#       get_property(TARGET <target_name> PROPERTY INSTALL_DESTINATION)
+#    command.
+#
+#
+#
 # ::
 #
 #  install_jni_symlink(target_name destination)
@@ -228,6 +241,24 @@
 #
 # ::
 #
+#  install_jar_exports(TARGETS jar1 [jar2 ...]
+#                      FILE export_filename
+#                      DESTINATION destination [COMPONENT component])
+#
+# This command installs a target export file export_filename for the named jar
+# targets to the given DESTINATION. Its function is similar to that of
+# install(EXPORTS).
+#
+# ::
+#
+#  export_jars(TARGETS jar1 [jar2 ...]
+#              FILE export_filename)
+#
+# This command writes a target export file export_filename for the named jar
+# targets. Its function is similar to that of export().
+#
+# ::
+#
 #  create_javadoc(<VAR>
 #                 PACKAGES pkg1 [pkg2 ...]
 #                 [SOURCEPATH <sourcepath>]
@@ -324,7 +355,7 @@
 # that allow your Java and C code to interact.
 #
 # There are two main signatures for create_javah.  The first signature
-# returns generated files throught variable specified by GENERATED_FILES option:
+# returns generated files through variable specified by GENERATED_FILES option:
 #
 # ::
 #
@@ -389,14 +420,36 @@ include(CMakeParseArguments)
 function (__java_copy_file src dest comment)
     add_custom_command(
         OUTPUT  ${dest}
-        COMMAND cmake -E copy_if_different
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
         ARGS    ${src}
                 ${dest}
         DEPENDS ${src}
         COMMENT ${comment})
 endfunction ()
 
+function(__java_lcat VAR)
+    foreach(_line ${ARGN})
+        set(${VAR} "${${VAR}}${_line}\n")
+    endforeach()
+
+    set(${VAR} "${${VAR}}" PARENT_SCOPE)
+endfunction()
+
+function(__java_export_jar VAR TARGET PATH)
+    get_target_property(_jarpath ${TARGET} JAR_FILE)
+    get_filename_component(_jarname ${_jarpath} NAME)
+    __java_lcat(${VAR}
+      "# Create imported target ${TARGET}"
+      "add_custom_target(${TARGET})"
+      "set_target_properties(${TARGET} PROPERTIES"
+      "  JAR_FILE \"${PATH}/${_jarname}\")"
+      ""
+    )
+    set(${VAR} "${${VAR}}" PARENT_SCOPE)
+endfunction()
+
 # define helper scripts
+set(_JAVA_EXPORT_TARGETS_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/javaTargets.cmake.in)
 set(_JAVA_CLASS_FILELIST_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/UseJavaClassFilelist.cmake)
 set(_JAVA_SYMLINK_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/UseJavaSymlinks.cmake)
 
@@ -435,6 +488,8 @@ function(add_jar _TARGET_NAME)
 
     if (NOT DEFINED _add_jar_OUTPUT_DIR)
         set(_add_jar_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
+    else()
+        get_filename_component(_add_jar_OUTPUT_DIR ${_add_jar_OUTPUT_DIR} ABSOLUTE)
     endif()
 
     if (_add_jar_ENTRY_POINT)
@@ -467,7 +522,7 @@ function(add_jar _TARGET_NAME)
     endif()
 
     foreach (JAVA_INCLUDE_DIR ${CMAKE_JAVA_INCLUDE_PATH})
-       set(CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_PATH_FINAL}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${JAVA_INCLUDE_DIR}")
+       string(APPEND CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_FLAG_SEP}${JAVA_INCLUDE_DIR}")
     endforeach()
 
     set(CMAKE_JAVA_CLASS_OUTPUT_PATH "${_add_jar_OUTPUT_DIR}${CMAKE_FILES_DIRECTORY}/${_TARGET_NAME}.dir")
@@ -539,7 +594,7 @@ function(add_jar _TARGET_NAME)
         if (TARGET ${_JAVA_INCLUDE_JAR})
             get_target_property(_JAVA_JAR_PATH ${_JAVA_INCLUDE_JAR} JAR_FILE)
             if (_JAVA_JAR_PATH)
-                set(CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_PATH_FINAL}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${_JAVA_JAR_PATH}")
+                string(APPEND CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_FLAG_SEP}${_JAVA_JAR_PATH}")
                 list(APPEND CMAKE_JAVA_INCLUDE_PATH ${_JAVA_JAR_PATH})
                 list(APPEND _JAVA_DEPENDS ${_JAVA_INCLUDE_JAR})
                 list(APPEND _JAVA_COMPILE_DEPENDS ${_JAVA_INCLUDE_JAR})
@@ -547,18 +602,13 @@ function(add_jar _TARGET_NAME)
                 message(SEND_ERROR "add_jar: INCLUDE_JARS target ${_JAVA_INCLUDE_JAR} is not a jar")
             endif ()
         else ()
-            set(CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_PATH_FINAL}${CMAKE_JAVA_INCLUDE_FLAG_SEP}${_JAVA_INCLUDE_JAR}")
+            string(APPEND CMAKE_JAVA_INCLUDE_PATH_FINAL "${CMAKE_JAVA_INCLUDE_FLAG_SEP}${_JAVA_INCLUDE_JAR}")
             list(APPEND CMAKE_JAVA_INCLUDE_PATH "${_JAVA_INCLUDE_JAR}")
             list(APPEND _JAVA_DEPENDS "${_JAVA_INCLUDE_JAR}")
             list(APPEND _JAVA_COMPILE_DEPENDS "${_JAVA_INCLUDE_JAR}")
         endif ()
     endforeach()
 
-    # create an empty java_class_filelist
-    if (NOT EXISTS ${CMAKE_JAVA_CLASS_OUTPUT_PATH}/java_class_filelist)
-        file(WRITE ${CMAKE_JAVA_CLASS_OUTPUT_PATH}/java_class_filelist "")
-    endif()
-
     if (_JAVA_COMPILE_FILES OR _JAVA_COMPILE_FILELISTS)
         set (_JAVA_SOURCES_FILELISTS)
 
@@ -598,6 +648,11 @@ function(add_jar _TARGET_NAME)
             DEPENDS ${CMAKE_JAVA_CLASS_OUTPUT_PATH}/java_compiled_${_TARGET_NAME}
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
         )
+    else ()
+        # create an empty java_class_filelist
+        if (NOT EXISTS ${CMAKE_JAVA_CLASS_OUTPUT_PATH}/java_class_filelist)
+            file(WRITE ${CMAKE_JAVA_CLASS_OUTPUT_PATH}/java_class_filelist "")
+        endif()
     endif ()
 
     # create the jar file
@@ -716,6 +771,13 @@ function(INSTALL_JAR _TARGET_NAME)
         PROPERTY
             INSTALL_FILES
     )
+    set_property(
+        TARGET
+            ${_TARGET_NAME}
+        PROPERTY
+            INSTALL_DESTINATION
+            ${_DESTINATION}
+    )
 
     if (__FILES)
         install(
@@ -1348,3 +1410,94 @@ function (create_javah)
       set (${_create_javah_GENERATED_FILES} ${_output_files} PARENT_SCOPE)
     endif()
 endfunction()
+
+function(export_jars)
+    # Parse and validate arguments
+    cmake_parse_arguments(_export_jars
+      ""
+      "FILE"
+      "TARGETS"
+      ${ARGN}
+    )
+    if (NOT _export_jars_FILE)
+      message(SEND_ERROR "export_jars: FILE must be specified.")
+    endif()
+    if (NOT _export_jars_TARGETS)
+      message(SEND_ERROR "export_jars: TARGETS must be specified.")
+    endif()
+
+    # Set content of generated exports file
+    string(REPLACE ";" " " __targets__ "${_export_jars_TARGETS}")
+    set(__targetdefs__ "")
+    foreach(_target ${_export_jars_TARGETS})
+        get_target_property(_jarpath ${_target} JAR_FILE)
+        get_filename_component(_jarpath ${_jarpath} PATH)
+        __java_export_jar(__targetdefs__ ${_target} "${_jarpath}")
+    endforeach()
+
+    # Generate exports file
+    configure_file(
+      ${_JAVA_EXPORT_TARGETS_SCRIPT}
+      ${_export_jars_FILE}
+      @ONLY
+    )
+endfunction()
+
+function(install_jar_exports)
+    # Parse and validate arguments
+    cmake_parse_arguments(_install_jar_exports
+      ""
+      "FILE;DESTINATION;COMPONENT"
+      "TARGETS"
+      ${ARGN}
+    )
+    if (NOT _install_jar_exports_FILE)
+      message(SEND_ERROR "install_jar_exports: FILE must be specified.")
+    endif()
+    if (NOT _install_jar_exports_DESTINATION)
+      message(SEND_ERROR "install_jar_exports: DESTINATION must be specified.")
+    endif()
+    if (NOT _install_jar_exports_TARGETS)
+      message(SEND_ERROR "install_jar_exports: TARGETS must be specified.")
+    endif()
+
+    if (_install_jar_exports_COMPONENT)
+      set (_COMPONENT COMPONENT ${_install_jar_exports_COMPONENT})
+    endif()
+
+    # Determine relative path from installed export file to install prefix
+    if(IS_ABSOLUTE ${_install_jar_exports_DESTINATION})
+      file(RELATIVE_PATH _relpath
+        ${_install_jar_exports_DESTINATION}
+        ${CMAKE_INSTALL_PREFIX}
+      )
+    else()
+      file(RELATIVE_PATH _relpath
+        ${CMAKE_INSTALL_PREFIX}/${_install_jar_exports_DESTINATION}
+        ${CMAKE_INSTALL_PREFIX}
+      )
+    endif()
+
+    # Set up unique location for generated exports file
+    string(SHA256 _hash "${_install_jar_exports_DESTINATION}")
+    set(_tmpdir ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/JavaExports/${_hash})
+
+    # Set content of generated exports file
+    string(REPLACE ";" " " __targets__ "${_install_jar_exports_TARGETS}")
+    set(__targetdefs__ "set(_prefix \${CMAKE_CURRENT_LIST_DIR}/${_relpath})\n\n")
+    foreach(_target ${_install_jar_exports_TARGETS})
+        get_target_property(_dir ${_target} INSTALL_DESTINATION)
+        __java_export_jar(__targetdefs__ ${_target} "\${_prefix}/${_dir}")
+    endforeach()
+    __java_lcat(__targetdefs__ "\nunset(_prefix)")
+
+    # Generate and install exports file
+    configure_file(
+      ${_JAVA_EXPORT_TARGETS_SCRIPT}
+      ${_tmpdir}/${_install_jar_exports_FILE}
+      @ONLY
+    )
+    install(FILES ${_tmpdir}/${_install_jar_exports_FILE}
+            DESTINATION ${_install_jar_exports_DESTINATION}
+            ${_COMPONENT})
+endfunction()
diff --git a/config/cmake_ext_mod/FindMPI.cmake b/config/cmake_ext_mod/FindMPI.cmake
index 1c9a2e3..80d8511 100644
--- a/config/cmake_ext_mod/FindMPI.cmake
+++ b/config/cmake_ext_mod/FindMPI.cmake
@@ -11,7 +11,8 @@
 # of them have somewhat different include paths, libraries to link
 # against, etc., and this module tries to smooth out those differences.
 #
-# === Variables ===
+# Variables
+# ^^^^^^^^^
 #
 # This module will set the following variables per language in your
 # project, where <lang> is one of C, CXX, or Fortran:
@@ -37,11 +38,12 @@
 #                               before the executable to run.
 #    MPIEXEC_POSTFLAGS          Flags to pass to MPIEXEC after other flags
 #
-# === Usage ===
+# Usage
+# ^^^^^
 #
 # To use this module, simply call FindMPI from a CMakeLists.txt file, or
-# run find_package(MPI), then run CMake.  If you are happy with the
-# auto- detected configuration for your language, then you're done.  If
+# run ``find_package(MPI)``, then run CMake.  If you are happy with the
+# auto-detected configuration for your language, then you're done.  If
 # not, you have two options:
 #
 # ::
@@ -55,24 +57,25 @@
 #       listed above, but these two are required.  This will circumvent
 #       autodetection entirely.
 #
-# When configuration is successful, MPI_<lang>_COMPILER will be set to
-# the compiler wrapper for <lang>, if it was found.  MPI_<lang>_FOUND
+# When configuration is successful, ``MPI_<lang>_COMPILER`` will be set to
+# the compiler wrapper for <lang>, if it was found.  ``MPI_<lang>_FOUND``
 # and other variables above will be set if any MPI implementation was
 # found for <lang>, regardless of whether a compiler was found.
 #
-# When using MPIEXEC to execute MPI applications, you should typically
-# use all of the MPIEXEC flags as follows:
+# When using ``MPIEXEC`` to execute MPI applications, you should typically
+# use all of the ``MPIEXEC`` flags as follows:
 #
 # ::
 #
 #    ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} PROCS
 #      ${MPIEXEC_PREFLAGS} EXECUTABLE ${MPIEXEC_POSTFLAGS} ARGS
 #
-# where PROCS is the number of processors on which to execute the
-# program, EXECUTABLE is the MPI program, and ARGS are the arguments to
+# where ``PROCS`` is the number of processors on which to execute the
+# program, ``EXECUTABLE`` is the MPI program, and ``ARGS`` are the arguments to
 # pass to the MPI program.
 #
-# === Backward Compatibility ===
+# Backward Compatibility
+# ^^^^^^^^^^^^^^^^^^^^^^
 #
 # For backward compatibility with older versions of FindMPI, these
 # variables are set, but deprecated:
@@ -83,7 +86,7 @@
 #    MPI_COMPILE_FLAGS   MPI_INCLUDE_PATH    MPI_EXTRA_LIBRARY
 #    MPI_LINK_FLAGS      MPI_LIBRARIES
 #
-# In new projects, please use the MPI_<lang>_XXX equivalents.
+# In new projects, please use the ``MPI_<lang>_XXX`` equivalents.
 
 #=============================================================================
 # Copyright 2001-2011 Kitware, Inc.
@@ -204,7 +207,7 @@ function (_mpi_check_compiler compiler options cmdvar resvar)
   # Intel MPI 5.0.1 will return a zero return code even when the
   # argument to the MPI compiler wrapper is unknown.  Attempt to
   # catch this case.
-  if("${cmdline}" MATCHES "undefined reference")
+  if(cmdline MATCHES "undefined reference" OR cmdline MATCHES "unrecognized")
     set(success 255 )
   endif()
   set(${cmdvar} "${cmdline}" PARENT_SCOPE)
@@ -325,7 +328,7 @@ function (interrogate_mpi_compiler lang try_libs)
 
         foreach(FLAG ${MPI_ALL_COMPILE_FLAGS})
           if (MPI_COMPILE_FLAGS_WORK)
-            set(MPI_COMPILE_FLAGS_WORK "${MPI_COMPILE_FLAGS_WORK} ${FLAG}")
+            string(APPEND MPI_COMPILE_FLAGS_WORK " ${FLAG}")
           else()
             set(MPI_COMPILE_FLAGS_WORK ${FLAG})
           endif()
@@ -355,10 +358,10 @@ function (interrogate_mpi_compiler lang try_libs)
         endif()
 
         # Extract linker paths from the link command line
-        string(REGEX MATCHALL "(^| |-Wl,)-L([^\" ]+|\"[^\"]+\")" MPI_ALL_LINK_PATHS "${MPI_LINK_CMDLINE}")
+        string(REGEX MATCHALL "(^| |-Wl,)(-L|/LIBPATH:)([^\" ]+|\"[^\"]+\")" MPI_ALL_LINK_PATHS "${MPI_LINK_CMDLINE}")
         set(MPI_LINK_PATH)
         foreach(LPATH ${MPI_ALL_LINK_PATHS})
-          string(REGEX REPLACE "^(| |-Wl,)-L" "" LPATH ${LPATH})
+          string(REGEX REPLACE "^(| |-Wl,)(-L|/LIBPATH:)" "" LPATH ${LPATH})
           string(REPLACE "//" "/" LPATH ${LPATH})
           list(APPEND MPI_LINK_PATH ${LPATH})
         endforeach()
@@ -374,7 +377,7 @@ function (interrogate_mpi_compiler lang try_libs)
         set(MPI_LINK_FLAGS_WORK)
         foreach(FLAG ${MPI_ALL_LINK_FLAGS})
           if (MPI_LINK_FLAGS_WORK)
-            set(MPI_LINK_FLAGS_WORK "${MPI_LINK_FLAGS_WORK} ${FLAG}")
+            string(APPEND MPI_LINK_FLAGS_WORK " ${FLAG}")
           else()
             set(MPI_LINK_FLAGS_WORK ${FLAG})
           endif()
@@ -383,20 +386,31 @@ function (interrogate_mpi_compiler lang try_libs)
         # Extract the set of libraries to link against from the link command
         # line
         string(REGEX MATCHALL "(^| )-l([^\" ]+|\"[^\"]+\")" MPI_LIBNAMES "${MPI_LINK_CMDLINE}")
+        if(WIN32)
+          # The intel wrappers on windows link against static versions of the MPI libraries.
+          # The static libraries are simply listed on the command line without -l.
+          # For instance: " icl ... impi.lib "
+          string(REGEX MATCHALL "(^| )([^\" ]+)\\.lib" tmp "${MPI_LINK_CMDLINE}")
+          list(APPEND MPI_LIBNAMES ${tmp})
+        endif()
 
         # add the compiler implicit directories because some compilers
         # such as the intel compiler have libraries that show up
         # in the showme list that can only be found in the implicit
         # link directories of the compiler.
         if (DEFINED CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES)
-          set(MPI_LINK_PATH
-            "${MPI_LINK_PATH};${CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES}")
+          string(APPEND MPI_LINK_PATH
+            ";${CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES}")
         endif ()
 
         # Determine full path names for all of the libraries that one needs
         # to link against in an MPI program
         foreach(LIB ${MPI_LIBNAMES})
           string(REGEX REPLACE "^ ?-l" "" LIB ${LIB})
+          if(WIN32)
+            string(REGEX REPLACE "\\.lib$" "" LIB ${LIB})
+          endif()
+          string(STRIP ${LIB} LIB)
           # MPI_LIB is cached by find_library, but we don't want that.  Clear it first.
           set(MPI_LIB "MPI_LIB-NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
           find_library(MPI_LIB NAMES ${LIB} HINTS ${MPI_LINK_PATH})
@@ -597,14 +611,13 @@ foreach (lang C CXX Fortran)
   if (CMAKE_${lang}_COMPILER_WORKS)
     # If the user supplies a compiler *name* instead of an absolute path, assume that we need to find THAT compiler.
     if (MPI_${lang}_COMPILER)
-      is_file_executable(MPI_${lang}_COMPILER MPI_COMPILER_IS_EXECUTABLE)
-      if (NOT MPI_COMPILER_IS_EXECUTABLE)
+      if (NOT IS_ABSOLUTE "${MPI_${lang}_COMPILER}")
         # Get rid of our default list of names and just search for the name the user wants.
         set(_MPI_${lang}_COMPILER_NAMES ${MPI_${lang}_COMPILER})
         set(MPI_${lang}_COMPILER "MPI_${lang}_COMPILER-NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
-        # If the user specifies a compiler, we don't want to try to search libraries either.
-        set(try_libs FALSE)
       endif()
+      # If the user specifies a compiler, we don't want to try to search libraries either.
+      set(try_libs FALSE)
     else()
       set(try_libs TRUE)
     endif()