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CMake: SALOME_PACKAGE_REPORT_AND_CHECK now works if no OPTIONAL package was specified.
[modules/kernel.git] / salome_adm / cmake_files / SalomeMacros.cmake
index 012851b47484f23242eb6ea2f51962ef84e3c413..29bca1f9fc6e1be9cddc2ba41be57a42469b5728 100755 (executable)
@@ -286,31 +286,33 @@ MACRO(SALOME_PACKAGE_REPORT_AND_CHECK)
   IF(SALOME_PACKAGE_REPORT_JUSTIFY)
     SET(_length ${SALOME_PACKAGE_REPORT_JUSTIFY})
   ELSE()
-    SET(_length 10)
+    SET(_length 23)
   ENDIF()
   MESSAGE(STATUS "") 
   MESSAGE(STATUS "  Optional packages - Detection report ")
   MESSAGE(STATUS "  ==================================== ")
   MESSAGE(STATUS "")
-  LIST(LENGTH _SALOME_OPTIONAL_PACKAGES_names _list_len)
-  # Another CMake stupidity - FOREACH(... RANGE r) generates r+1 numbers ...
-  MATH(EXPR _range "${_list_len}-1")
-  FOREACH(_idx RANGE ${_range})  
-    LIST(GET _SALOME_OPTIONAL_PACKAGES_names ${_idx} _pkg_name)
-    LIST(GET _SALOME_OPTIONAL_PACKAGES_found ${_idx} _pkg_found)
-    LIST(GET _SALOME_OPTIONAL_PACKAGES_flags ${_idx} _pkg_flag)
-    SALOME_JUSTIFY_STRING(${_pkg_name} ${_length} _pkg_name)
-    IF(_pkg_found)
-      SET(_found_msg "Found")
-      SET(_flag_msg "")
-    ELSE()
-      SET(_will_fail ON)
-      SET(_found_msg "NOT Found")
-      SET(_flag_msg " - ${_pkg_flag} can be switched OFF to skip this prerequisite.")
-    ENDIF()
+  IF(DEFINED _SALOME_OPTIONAL_PACKAGES_names)
+    LIST(LENGTH _SALOME_OPTIONAL_PACKAGES_names _list_len)
+    # Another CMake stupidity - FOREACH(... RANGE r) generates r+1 numbers ...
+    MATH(EXPR _range "${_list_len}-1")
+    FOREACH(_idx RANGE ${_range})  
+      LIST(GET _SALOME_OPTIONAL_PACKAGES_names ${_idx} _pkg_name)
+      LIST(GET _SALOME_OPTIONAL_PACKAGES_found ${_idx} _pkg_found)
+      LIST(GET _SALOME_OPTIONAL_PACKAGES_flags ${_idx} _pkg_flag)
+      SALOME_JUSTIFY_STRING(${_pkg_name} ${_length} _pkg_name)
+      IF(_pkg_found)
+        SET(_found_msg "Found")
+        SET(_flag_msg "")
+      ELSE()
+        SET(_will_fail ON)
+        SET(_found_msg "NOT Found")
+        SET(_flag_msg " - ${_pkg_flag} can be switched OFF to skip this prerequisite.")
+      ENDIF()
     
-    MESSAGE(STATUS "  * ${_pkg_name}  ->  ${_found_msg}${_flag_msg}")
-  ENDFOREACH()
+      MESSAGE(STATUS "  * ${_pkg_name}  ->  ${_found_msg}${_flag_msg}")
+    ENDFOREACH()
+  ENDIF(DEFINED _SALOME_OPTIONAL_PACKAGES_names)
   MESSAGE(STATUS "")
   MESSAGE(STATUS "")
   
@@ -485,8 +487,12 @@ MACRO(SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS pkg referenceVariable upCount)
   ENDIF()
 
   # Otherwise try the standard way (module mode, with the standard CMake Find*** macro):
-  # We do it quietly to produce our own error message:
-  SALOME_FIND_PACKAGE("Salome${pkg}" ${pkg} MODULE TRUE)
+  # We do it quietly to produce our own error message, except if we are in debug mode:
+  IF(SALOME_CMAKE_DEBUG)
+    SALOME_FIND_PACKAGE("Salome${pkg}" ${pkg} MODULE FALSE)
+  ELSE()
+    SALOME_FIND_PACKAGE("Salome${pkg}" ${pkg} MODULE TRUE)
+  ENDIF()
   
   # Set the "FOUND" variable for the SALOME wrapper:
   IF(${pkg_UC}_FOUND OR ${pkg}_FOUND)
@@ -496,10 +502,12 @@ MACRO(SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS pkg referenceVariable upCount)
     IF(NOT Salome${pkg}_FIND_QUIETLY)
       IF(Salome${pkg}_FIND_REQUIRED)
          MESSAGE(FATAL_ERROR "Package ${pkg} couldn't be found - did you set the corresponing root dir correctly? "
-         "It currently contains ${pkg_UC}_ROOT_DIR=${${pkg_UC}_ROOT_DIR}")
+         "It currently contains ${pkg_UC}_ROOT_DIR=${${pkg_UC}_ROOT_DIR}  "
+         "Append -DSALOME_CMAKE_DEBUG=ON on the command line if you want to see the original CMake error.")
       ELSE()
          MESSAGE(WARNING "Package ${pkg} couldn't be found - did you set the corresponing root dir correctly? "
-         "It currently contains ${pkg_UC}_ROOT_DIR=${${pkg_UC}_ROOT_DIR}")
+         "It currently contains ${pkg_UC}_ROOT_DIR=${${pkg_UC}_ROOT_DIR}  "
+         "Append -DSALOME_CMAKE_DEBUG=ON on the command line if you want to see the original CMake error.")
       ENDIF()
     ENDIF()
   ENDIF()
@@ -509,10 +517,10 @@ MACRO(SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS pkg referenceVariable upCount)
     ## from the given reference path. The variable "referenceVariable" may be a list.
     ## In this case we take its first element. 
     
-    # First test if the variable exists and is not empty:
-    IF((NOT DEFINED ${referenceVariable}) OR ("${${referenceVariable}}" STREQUAL ""))
+    # First test if the variable exists, warn otherwise:
+    IF(NOT DEFINED ${referenceVariable})
       MESSAGE(WARNING "${pkg}: the reference variable '${referenceVariable}' used when calling the macro "
-      "SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS() does not exist or is empty.")
+      "SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS() is not defined.")
     ENDIF()
     
     LIST(LENGTH ${referenceVariable} _tmp_len)
@@ -522,9 +530,8 @@ MACRO(SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS pkg referenceVariable upCount)
        #  Note the double de-reference of "referenceVariable":
        SET(_tmp_ROOT_DIR "${${referenceVariable}}")
     ENDIF()
-    IF(${upCount})
-      MATH(EXPR _rge "${upCount}-1") 
-      FOREACH(_unused RANGE ${_rge})        
+    IF(${upCount}) 
+      FOREACH(_unused RANGE 1 ${upCount})        
         GET_FILENAME_COMPONENT(_tmp_ROOT_DIR "${_tmp_ROOT_DIR}" PATH)
       ENDFOREACH()
     ENDIF()
@@ -610,3 +617,22 @@ MACRO(SALOME_XVERSION pkg)
                     OUTPUT_VARIABLE ${_pkg_UC}_XVERSION)
   ENDIF()
 ENDMACRO(SALOME_XVERSION)
+
+#########################################################################
+# SALOME_ACCUMULATE_HEADERS()
+# 
+# This macro is called in the various FindSalomeXYZ.cmake modules to accumulate
+# internally the list of include headers to be saved for future export. 
+# The full set of include is saved in a variable called 
+#      _${PROJECT_NAME}_EXTRA_HEADERS
+#
+MACRO(SALOME_ACCUMULATE_HEADERS lst)
+  FOREACH(l IN LISTS ${lst})
+    LIST(FIND _${PROJECT_NAME}_EXTRA_HEADERS "${l}" _res)
+    IF(_res EQUAL "-1")
+      IF(NOT "${l}" STREQUAL "/usr/include")
+        LIST(APPEND _${PROJECT_NAME}_EXTRA_HEADERS "${l}")
+      ENDIF()
+    ENDIF()
+  ENDFOREACH()
+ENDMACRO(SALOME_ACCUMULATE_HEADERS)