Merge pull request #257 from blattms/use-hints-precedenting-cache

Pass sibling dirs HINTS to find_package calls for opm-parser.

cmake/Modules/Findopm-parser.cmake

@@ -18,31 +18,6 @@ else ()
   set (OPM_PARSER_QUIET "")
 endif ()
 
-find_package(opm-parser CONFIG)
-if (opm-parser_FOUND)
-    find_package(ecl REQUIRED)
-    set(HAVE_OPM_PARSER 1)
-    # setting HAVE_ERT is a mega hack here, but some downstreams require it.
-    # Eventually projets should move on to properly handle dependencies and
-    # configurations, and Findopm-parser be deprecated
-    set(HAVE_ERT 1)
-    set(opm-parser_CONFIG_VARS HAVE_OPM_PARSER HAVE_REGEX HAVE_ERT)
-    set(opm-parser_LIBRARIES opmparser)
-
-    find_package_handle_standard_args(opm-parser
-        DEFAULT_MSG
-        opm-parser_LIBRARIES HAVE_OPM_PARSER HAVE_ERT
-    )
-    return ()
-endif ()
-
-# use lowercase versions of the variables if those are set
-if (opm-parser_ROOT)
-  set (OPM_PARSER_ROOT ${opm-parser_ROOT})
-endif ()
-if (opm_ROOT)
-  set (OPM_ROOT ${opm_ROOT})
-endif ()
 
 # inherit "suite" root if not specifically set for this library
 if ((NOT OPM_PARSER_ROOT) AND OPM_ROOT)
@@ -68,128 +43,21 @@ else ()
     "${PROJECT_BINARY_DIR}/../../opm-parser/${BUILD_DIR_SUFFIX}")
 endif ()
 
-# use this header as signature
-find_path (OPM_PARSER_INCLUDE_DIR
-  NAMES "opm/parser/eclipse/Parser/Parser.hpp"
-  HINTS "${OPM_PARSER_ROOT}"
-  PATHS ${_opm_parser_source}
-  PATH_SUFFIXES "include"
-  DOC "Path to OPM parser header files"
-  ${_no_default_path} )
 
-find_path (OPM_PARSER_GEN_INCLUDE_DIR
-  NAMES "opm/parser/eclipse/Parser/ParserKeywords.hpp"
-  HINTS "${OPM_PARSER_ROOT}"
-  PATHS ${_opm_parser_build}
-  PATH_SUFFIXES "generated-source/include" "include"
-  DOC "Path to OPM parser generated header files"
-  ${_no_default_path} )
+find_package(opm-parser CONFIG HINTS ${_opm_parser_build})
+if (opm-parser_FOUND)
+    find_package(ecl REQUIRED)
+    set(HAVE_OPM_PARSER 1)
+    # setting HAVE_ERT is a mega hack here, but some downstreams require it.
+    # Eventually projets should move on to properly handle dependencies and
+    # configurations, and Findopm-parser be deprecated
+    set(HAVE_ERT 1)
+    set(opm-parser_CONFIG_VARS HAVE_OPM_PARSER HAVE_REGEX HAVE_ERT)
+    set(opm-parser_LIBRARIES opmparser)
 
-
-# backup: if we didn't find any headers there, but a CMakeCache.txt,
-# then it is probably a build directory; read the CMake cache of
-# opm-parser to figure out where the source directory is
-if ((NOT OPM_PARSER_INCLUDE_DIR) AND
-        (OPM_PARSER_ROOT AND (EXISTS "${OPM_PARSER_ROOT}/CMakeCache.txt")))
-  set (_regex "^OPMParser_SOURCE_DIR:STATIC=\(.*\)$")
-  file (STRINGS
-        "${OPM_PARSER_ROOT}/CMakeCache.txt"
-        _cache_entry
-        REGEX "${_regex}")
-  string(REGEX REPLACE "${_regex}" "\\1"
-        OPM_PARSER_INCLUDE_DIR
-        "${_cache_entry}")
-  if (OPM_PARSER_INCLUDE_DIR)
-        set (OPM_PARSER_INCLUDE_DIR "${OPM_PARSER_INCLUDE_DIR}"
-          CACHE PATH "Path to OPM parser header files" FORCE)
-  endif ()
-endif ()
-
-# find out the size of a pointer. this is required to only search for
-# libraries in the directories relevant for the architecture
-if (CMAKE_SIZEOF_VOID_P)
-  math (EXPR _BITS "8 * ${CMAKE_SIZEOF_VOID_P}")
-endif ()
-
-# these libraries constitute the parser core
-find_library (OPM_PARSER_LIBRARY
-  NAMES "opmparser"
-  HINTS "${OPM_PARSER_ROOT}"
-  PATHS ${_opm_parser_build}
-  PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
-                "opm/parser/eclipse"
-  DOC "Path to OPM parser library archive/shared object files"
-  ${_no_default_path} )
-
-# find the OPM-parser wrapper library around cJSON
-find_library (OPM_JSON_LIBRARY
-  NAMES "opmjson"
-  HINTS "${OPM_PARSER_ROOT}"
-  PATHS ${_opm_parser_build}
-  PATH_SUFFIXES "lib" "lib${_BITS}" "lib/${CMAKE_LIBRARY_ARCHITECTURE}"
-                "opm/json"
-  DOC "Path to OPM JSON library archive/shared object files"
-  ${_no_default_path} )
-
-# get the prerequisite Boost libraries
-find_package(Boost 1.44.0 COMPONENTS filesystem date_time system unit_test_framework regex ${OPM_PARSER_QUIET})
-
-if (Boost_FOUND AND
-    OPM_PARSER_LIBRARY AND OPM_JSON_LIBRARY AND OPM_PARSER_INCLUDE_DIR)
-  # setup list of all required libraries to link with opm-parser. notice that
-  # we use the plural form to get *all* the libraries needed by cjson
-  set (opm-parser_INCLUDE_DIRS
-    ${OPM_PARSER_INCLUDE_DIR}
-    ${OPM_PARSER_GEN_INCLUDE_DIR}
-    ${Boost_INCLUDE_DIRS})
-
-  set (opm-parser_LIBRARIES
-    ${OPM_PARSER_LIBRARY}
-    ${OPM_JSON_LIBRARY}
-    ${Boost_LIBRARIES})
-
-  # We might be using an external cJSON library
-  # but we have to unset the OPM_PARSER_ROOT stuff to find it
-  # (other NO_DEFAULT_PATH will be set).
-  set(_OPM_PARSER_ROOT_bak ${OPM_PARSER_ROOT})
-  set(OPM_PARSER_ROOT "")
-  find_package(cjson)
-  set(OPM_PARSER_ROOT ${OPM_PARSER_ROOT_bak})
-
-  if (CJSON_FOUND)
-    # If we do we need to add it to the libs.
-    set (opm-parser_LIBRARIES
-      ${opm-parser_LIBRARIES}
-      ${CJSON_LIBRARY})
-  endif (CJSON_FOUND)
-
-  # see if we can compile a minimum example
-  # CMake logical test doesn't handle lists (sic)
-  include (CMakePushCheckState)
-  include (CheckCSourceCompiles)
-  cmake_push_check_state ()
-  set (CMAKE_REQUIRED_INCLUDES ${opm-parser_INCLUDE_DIRS})
-  set (CMAKE_REQUIRED_LIBRARIES ${opm-parser_LIBRARIES})
-
-  check_cxx_source_compiles (
-      "#include <cstdlib>
-#include <opm/parser/eclipse/Deck/Deck.hpp>
-
-int main (void) {
-   return EXIT_SUCCESS;
-}" HAVE_OPM_PARSER)
-  cmake_pop_check_state ()
-endif()
-
-# if the test program didn't compile, but was required to do so, bail
-# out now and display an error; otherwise limp on
-set (OPM_PARSER_FIND_REQUIRED ${opm-parser_FIND_REQUIRED})
-find_package_handle_standard_args (opm-parser
-  DEFAULT_MSG
-  opm-parser_INCLUDE_DIRS opm-parser_LIBRARIES HAVE_OPM_PARSER
+    find_package_handle_standard_args(opm-parser
+        DEFAULT_MSG
+        opm-parser_LIBRARIES HAVE_OPM_PARSER HAVE_ERT
     )
+endif ()
 
-set (opm-parser_CONFIG_VARS "HAVE_OPM_PARSER;HAVE_REGEX")
-set (opm-parser_FOUND ${OPM-PARSER_FOUND})
-
-mark_as_advanced(opm-parser_LIBRARIES opm-parser_INCLUDE_DIRS OPM-PARSER_FOUND)