add FindHDF4.cmake to musrfit since in more modern linux systems it is not available anymore.

cmake/FindHDF4.cmake

@@ -0,0 +1,97 @@
+## Process this file with cmake
+#=============================================================================
+#  NeXus - Neutron & X-ray Common Data Format
+#
+#  CMakeLists for building the NeXus library and applications.
+#
+#  Copyright (C) 2011 Stephen Rankin
+#
+#  This library is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by the
+#  Free Software Foundation; either version 2 of the License, or (at your
+#  option) any later version.
+#
+#  This library is distributed in the hope that it will be useful, but WITHOUT
+#  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+#  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+#  for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public License
+#  along with this library; if not, write to the Free Software Foundation,
+#  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+#  For further information, see <http://www.nexusformat.org>
+#
+#
+#=============================================================================
+
+
+#------------------------------------------------------------------------------
+# find the runtime binaries of the HDF4 library
+#------------------------------------------------------------------------------
+find_library(HDF4_DF_LIBRARY NAMES df hdf
+             HINTS ENV HDF4_ROOT 
+             PATH_SUFFIXES hdf)
+             
+
+if(HDF4_DF_LIBRARY MATCHES HDF4_DF_LIBRARY-NOTFOUND)
+    message(FATAL_ERROR "Could not find HDF4 DF library!")
+else()
+    get_filename_component(HDF4_LIBRARY_DIRS ${HDF4_DF_LIBRARY} PATH)
+    message(STATUS "Found HDF4 DF library: ${HDF4_DF_LIBRARY}")
+    message(STATUS "HDF4 libary path: ${HDF4_LIBRARY_DIRS}")
+endif()
+
+find_library(HDF4_MFHDF_LIBRARY NAMES mfhdf 
+             HINTS ENV HDF4_ROOT
+             PATH_SUFFIXES hdf)
+
+if(HDF4_MFHDF_LIBRARY MATCHES HDF4_MFHDF_LIBRARY-NOTFOUND)
+    message(FATAL_ERROR "Could not find HDF5 MFHDF library!")
+else()
+    message(STATUS "Found HDF4 MFHDF library: ${HDF4_MFHDF_LIBRARY}")
+endif()
+
+
+#------------------------------------------------------------------------------
+# find the HDF4 header file
+#------------------------------------------------------------------------------
+find_path(HDF4_INCLUDE_DIRS mfhdf.h 
+          HINTS ENV HDF4_ROOT 
+          PATH_SUFFIXES hdf)
+          
+if(HDF4_INCLUDE_DIRS MATCHES HDF4_INCLUDE_DIRS-NOTFOUND)
+    message(FATAL_ERROR "Could not find HDF4 header files")
+else()
+    message(STATUS "Found HDF4 header files in: ${HDF4_INCLUDE_DIRS}")
+endif()
+
+#------------------------------------------------------------------------------
+# search for additional packages required to link against HDF4
+#------------------------------------------------------------------------------
+find_package(JPEG REQUIRED)
+
+#------------------------------------------------------------------------------
+# add libraries to the link list for NAPI
+#------------------------------------------------------------------------------
+get_filename_component(LIB_EXT ${HDF4_DF_LIBRARY} EXT)
+if(LIB_EXT MATCHES .a)
+    message(STATUS "HDF4 DF library is static")
+    list(APPEND NAPI_LINK_LIBS "-Wl,-whole-archive" ${HDF4_DF_LIBRARY} "-Wl,-no-whole-archive")
+else()
+    list(APPEND NAPI_LINK_LIBS ${HDF4_DF_LIBRARY})
+endif()
+
+
+get_filename_component(LIB_EXT ${HDF4_MFHDF_LIBRARY} EXT)
+if(LIB_EXT MATCHES .a)
+    message(STATUS "HDF4 MFHDF library is static")
+    list(APPEND NAPI_LINK_LIBS "-Wl,-whole-archive" ${HDF4_MFHDF_LIBRARY} "-Wl,-no-whole-archive")
+else()
+    list(APPEND NAPI_LINK_LIBS ${HDF4_MFHDF_LIBRARY})
+endif()
+
+list(APPEND NAPI_LINK_LIBS jpeg)
+
+include_directories ( SYSTEM ${HDF4_INCLUDE_DIRS} )
+link_directories(${HDF4_LIBRARY_DIRS})