Merge pull request #268 from LLNL/bugfix/improve_target_export

Improve target export

Author: ldowen

RELEASE_NOTES.md

@@ -11,7 +11,7 @@ Notable changes include:
       State and StateDerivatives object).
 
   * Build changes / improvements:
-    * 
+    * Improved the target export functionality.
 
   * Bug Fixes / improvements:
     * Fixed bug with ConstantBoundary in the presence of porosity with the new porosity models introduced in v2024.01.00.

cmake/spheral_cxx-config.cmake.in

@@ -4,9 +4,29 @@
 if(NOT axom_DIR)
   set(axom_DIR "@axom_DIR@" CACHE PATH "")
 endif()
-set(SPHERAL_BLT_DIR "@SPHERAL_BLT_DIR@")
 set(SPHERAL_CXX_INSTALL_PREFIX "@CMAKE_INSTALL_PREFIX@")
 set(SPHERAL_CXX_INCLUDE_DIRS "${SPHERAL_CXX_INSTALL_PREFIX}/include")
+if(NOT @ENABLE_CXXONLY@ AND NOT TARGET Python3)
+  set(python_DIR "@python_DIR@")
+  set(Python_EXECUTABLE ${python_DIR}/bin/python3)
+  set(Python3_EXECUTABLE ${python_DIR}/bin/python3)
+  find_package(Python3 COMPONENTS Interpreter Development)
+  set(PYTHON_EXE ${Python3_EXECUTABLE})
+endif()
+
+# Guard these assignments to not interfere with projects that use Spheral and SpheralC as TPLs
+if(SPHERALC_STANDALONE)
+  set(CMAKE_C_COMPILER "@CMAKE_C_COMPILER@" CACHE PATH "Spheral C compiler path")
+  set(CMAKE_CXX_COMPILER "@CMAKE_CXX_COMPILER@" CACHE PATH "Spheral C++ compiler path")
+  set(CMAKE_Fortran_COMPILER "@CMAKE_Fortran_COMPILER@" CACHE PATH "Spheral C++ compiler path")
+  set(ENABLE_MPI @ENABLE_MPI@ CACHE BOOL "")
+  if(SPHERAL_ENABLE_MPI)
+    set(MPI_C_COMPILER "@MPI_C_COMPILER@" CACHE PATH "")
+    set(MPI_CXX_COMPILER "@MPI_CXX_COMPILER@" CACHE PATH "")
+    set(MPI_Fortran_COMPILER "@MPI_Fortran_COMPILER@" CACHE PATH "")
+  endif()
+endif()
+
 if(NOT TARGET axom)
   find_package(axom REQUIRED QUIET NO_DEFAULT_PATH PATHS ${axom_DIR} ${axom_DIR}/lib ${axom_DIR}/lib/cmake)
 endif()