Allow setting paths through env vars

cmake/FindBSP.cmake

@@ -262,6 +262,10 @@ foreach(COMP ${BSP_FIND_COMPONENTS})
     set(FAMILY ${CMAKE_MATCH_1})
     string(TOLOWER ${FAMILY} FAMILY_L)
     
+    if(NOT STM32_CUBE_${FAMILY}_PATH)
+        set(STM32_CUBE_${FAMILY}_PATH $ENV{STM32_CUBE_${FAMILY}_PATH} CACHE PATH "Path to STM32Cube${FAMILY}")
+    endif()
+
     if(NOT STM32_CUBE_${FAMILY}_PATH)
         set(STM32_CUBE_${FAMILY}_PATH /opt/STM32Cube${FAMILY} CACHE PATH "Path to STM32Cube${FAMILY}")
         message(STATUS "No STM32_CUBE_${FAMILY}_PATH specified using default: ${STM32_CUBE_${FAMILY}_PATH}")

cmake/FindCMSIS.cmake

@@ -71,6 +71,10 @@ foreach(COMP ${CMSIS_FIND_COMPONENTS})
     
     string(TOLOWER ${FAMILY} FAMILY_L)
     
+    if((NOT STM32_CMSIS_${FAMILY}_PATH) AND (NOT STM32_CUBE_${FAMILY}_PATH))
+        set(STM32_CUBE_${FAMILY}_PATH $ENV{STM32_CUBE_${FAMILY}_PATH} CACHE PATH "Path to STM32Cube${FAMILY}")
+    endif()
+
     if((NOT STM32_CMSIS_${FAMILY}_PATH) AND (NOT STM32_CUBE_${FAMILY}_PATH))
         set(STM32_CUBE_${FAMILY}_PATH /opt/STM32Cube${FAMILY} CACHE PATH "Path to STM32Cube${FAMILY}")
         message(STATUS "Neither STM32_CUBE_${FAMILY}_PATH nor STM32_CMSIS_${FAMILY}_PATH specified using default  STM32_CUBE_${FAMILY}_PATH: ${STM32_CUBE_${FAMILY}_PATH}")

cmake/FindFreeRTOS.cmake

@@ -7,6 +7,10 @@ list(REMOVE_DUPLICATES FreeRTOS_FIND_COMPONENTS)
 
 set(FreeRTOS_HEAPS 1 2 3 4 5)
 
+if(NOT FREERTOS_PATH)
+    set(FREERTOS_PATH $ENV{FREERTOS_PATH} CACHE PATH "Path to FreeRTOS")
+endif()
+
 if(NOT FREERTOS_PATH)
     set(FREERTOS_PATH /opt/FreeRTOS CACHE PATH "Path to FreeRTOS")
     message(STATUS "No FREERTOS_PATH specified using default: ${FREERTOS_PATH}")

cmake/FindHAL.cmake

@@ -237,6 +237,10 @@ foreach(COMP ${HAL_FIND_COMPONENTS_FAMILIES})
     set(FAMILY ${CMAKE_MATCH_1})
     string(TOLOWER ${FAMILY} FAMILY_L)
     
+    if((NOT STM32_HAL_${FAMILY}_PATH) AND (NOT STM32_CUBE_${FAMILY}_PATH))
+        set(STM32_CUBE_${FAMILY}_PATH $ENV{STM32_CUBE_${FAMILY}_PATH} CACHE PATH "Path to STM32Cube${FAMILY}")
+    endif()
+
     if((NOT STM32_HAL_${FAMILY}_PATH) AND (NOT STM32_CUBE_${FAMILY}_PATH))
         set(STM32_CUBE_${FAMILY}_PATH /opt/STM32Cube${FAMILY} CACHE PATH "Path to STM32Cube${FAMILY}")
         message(STATUS "Neither STM32_CUBE_${FAMILY}_PATH nor STM32_HAL_${FAMILY}_PATH specified using default STM32_CUBE_${FAMILY}_PATH: ${STM32_CUBE_${FAMILY}_PATH}")