OK

cmake/Modules/FindLHAPDF.cmake

@@ -1,29 +1,56 @@
-# - Locate LHAPDF library
-# in a directory defined via  LHAPDF_ROOT_DIR or LHAPDF_DIR environment variable
+# - Try to find LHAPDF
 # Defines:
 #
 #  LHAPDF_FOUND
 #  LHAPDF_INCLUDE_DIR
 #  LHAPDF_INCLUDE_DIRS (not cached)
-#  LHAPDF_LIBRARIES
+#  LHAPDF_LIBRARY
+#  LHAPDF_LIBRARIES (not cached)
+#  LHAPDF_LIBRARY_DIRS (not cached)
 
-find_path(LHAPDF_INCLUDE_DIR LHAPDF.h
-          HINTS $ENV{LHAPDF_ROOT_DIR}/include ${LHAPDF_ROOT_DIR}/include
-          $ENV{LHAPDF_DIR}/include ${LHAPDF_DIR}/include)
+if (LHAPDF_ROOT_DIR OR LHAPDF_DIR OR (DEFINED ENV{LHAPDF_ROOT_DIR}) OR (DEFINED ENV{LHAPDF_DIR}) )
+  set(LHAPDF_SEARCH_DIRS "" CACHE STRING "" FORCE)
+  if (LHAPDF_ROOT_DIR)
+    list (APPEND LHAPDF_SEARCH_DIRS "${LHAPDF_ROOT_DIR}" )
+  endif()
+  if (LHAPDF_DIR)
+    list (APPEND LHAPDF_SEARCH_DIRS "${LHAPDF_DIR}" )
+  endif()
+  if (DEFINED EVN{LHAPDF_ROOT_DIR})
+    list (APPEND LHAPDF_SEARCH_DIRS "$ENV{LHAPDF_ROOT_DIR}" )
+  endif()
+  if (DEFINED ENV{LHAPDF_DIR})
+    list (APPEND LHAPDF_SEARCH_DIRS "ENV{LHAPDF_DIR}" )
+  endif()
+endif()
+if (LHAPDF_SEARCH_DIRS)
+  find_path(LHAPDF_INCLUDE_DIR LHAPDF/LHAPDF.h PATHS ${LHAPDF_SEARCH_DIRS} PATH_SUFFIXES include NO_DEFAULT_PATH)
+  find_library(LHAPDF_LIBRARY NAMES LHAPDF PATHS ${LHAPDF_SEARCH_DIRS}  PATH_SUFFIXES lib lib64 NO_DEFAULT_PATH)
+else()
+  find_path(LHAPDF_INCLUDE_DIR LHAPDF/LHAPDF.h PATH_SUFFIXES include)
+  find_library(LHAPDF_LIBRARY NAMES LHAPDF PATHS_SUFFIXES lib lib64)
+endif()
+set(LHAPDF_VERSION 0.0.0)
+if (LHAPDF_INCLUDE_DIR)
+  if (EXISTS ${LHAPDF_INCLUDE_DIR}/LHAPDF/Version.h)
+    file(STRINGS ${LHAPDF_INCLUDE_DIR}/LHAPDF/Version.h LHAPDF_VERSION_STRING_CONTENT REGEX "^#define[ ]+LHAPDF_VERSION[ ]+\"" )
+    if (LHAPDF_VERSION_STRING_CONTENT)
+      string(REGEX MATCH "[1234567890\.]+[a-zA-Z]*" LHAPDF_VERSION ${LHAPDF_VERSION_STRING_CONTENT})
+    endif()
+  endif()
+endif()
 
-find_library(LHAPDF_LIBRARIES NAMES LHAPDF
-             HINTS $ENV{LHAPDF_ROOT_DIR}/lib ${LHAPDF_ROOT_DIR}/lib
-             HINTS $ENV{LHAPDF_DIR}/lib ${LHAPDF_DIR}/lib
-             HINTS $ENV{LHAPDF_ROOT_DIR}/lib64 ${LHAPDF_ROOT_DIR}/lib64
-             HINTS $ENV{LHAPDF_DIR}/lib64 ${LHAPDF_DIR}/lib64
-             )
 
-
-set(LHAPDF_INCLUDE_DIRS ${LHAPDF_INCLUDE_DIR})
+mark_as_advanced(LHAPDF_INCLUDE_DIR LHAPDF_LIBRARY)
 
 # handle the QUIETLY and REQUIRED arguments and set LHAPDF_FOUND to TRUE if
 # all listed variables are TRUE
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(LHAPDF DEFAULT_MSG LHAPDF_INCLUDE_DIR LHAPDF_LIBRARIES)
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(LHAPDF DEFAULT_MSG LHAPDF_INCLUDE_DIR LHAPDF_LIBRARY)
+
+set(LHAPDF_LIBRARIES ${LHAPDF_LIBRARY})
+get_filename_component(LHAPDF_LIBRARY_DIRS ${LHAPDF_LIBRARY} PATH)
+
+set(LHAPDF_INCLUDE_DIRS ${LHAPDF_INCLUDE_DIR})
 
-mark_as_advanced(LHAPDF_FOUND LHAPDF_INCLUDE_DIR LHAPDF_LIBRARIES)
+mark_as_advanced(LHAPDF_FOUND)