begin macro to install packages generically

CMakeLists.txt

@@ -303,7 +303,14 @@ if (MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_SOURCE_DIR}/cmake_modules/")
                 list(APPEND CMAKE_EXE_LINKER_FLAGS "${BLAS_LINKER_FLAGS}")
             endif()
         else()
-            message(FATAL_ERROR "A BLAS library is required but has not been found")
+            message(FATAL_ERROR "BLAS library has not been found")
+            #install_package(BLAS DOWNLOAD)
+            #find_package(BLASEXT)
+            #if (BLAS_FOUND)
+            #    message(STATUS "BLAS library has been found after automatic installation")
+            #else()
+            #    message(FATAL_ERROR "BLAS library has not been found after automatic installation")
+            #endif()
         endif()
         if(CBLAS_FOUND)
             include_directories(${CBLAS_INCLUDE_DIRS})

cmake_modules/morse/MorseInit.cmake

@@ -46,6 +46,9 @@ include(AuxilaryFlags)
 # Add the path where we handle our FindFOO.cmake to seek for liraries
 list(APPEND CMAKE_MODULE_PATH ${MORSE_CMAKE_MODULE_PATH}/find)
 
+# Install libraries if not discovered on the system
+include(InstallPackage)
+
 option(MORSE_VERBOSE_FIND_PACKAGE "Add additional messages concerning no found packages" OFF)
 #message("-- ${BoldGreen}MORSE_VERBOSE_FIND_PACKAGE is set to OFF, turn it ON to get"
 #        "information about packages not found${ColourReset}")

cmake_modules/morse/find/FindCBLAS.cmake

@@ -102,7 +102,9 @@ endif()
 if (CBLAS_FIND_COMPONENTS)
     foreach( component ${CBLAS_FIND_COMPONENTS} )
         if(CBLAS_FIND_REQUIRED_${component})
-            find_package(${component} REQUIRED)
+            if (CBLAS_FIND_REQUIRED)
+                find_package(${component} REQUIRED)
+            endif()
         else()
             find_package(${component})
         endif()