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GHS: Allow setting GHS variables from toolchain file

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* Update generator to use the current variable definition,
  not the CACHE definition.
* Avoid overwriting toolchain variables and avoid developer warnings
  when setting up the GHS variables.
  -- A cache entry is only required when:
     a) The toolchain uses set( CACHE ) to set the variable
     b) A -D or preset value was used to set the variable

     The cache entry is required so that the TYPE gets set properly.

  -- Avoid the Policy CMP0126 warnings:
     setting cache variable when normal variable exists
* Move GHS_PRIMARY_TARGET back into area so non-GHS generator
  toolchain file can trigger the OS search.
This commit is contained in:
Fred Baksik
2021-11-15 13:15:12 -05:00
parent ab6f0b51b1
commit aa59eaac4f
2 changed files with 69 additions and 51 deletions
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91
Modules/Platform/GHS-MULTI-Determine.cmake
View File

@@ -2,54 +2,72 @@
# file Copyright.txt or https://cmake.org/licensing for details.
# Setup variables used for Green Hills MULTI generator
# -- Allow users to override these values.
if(CMAKE_GENERATOR MATCHES "Green Hills MULTI")
# Set the project primaryTarget value
# If not set then primaryTarget will be determined by the generator
set(GHS_PRIMARY_TARGET "IGNORE" CACHE STRING "GHS MULTI primaryTarget")
mark_as_advanced(GHS_PRIMARY_TARGET)
if(NOT GHS_PRIMARY_TARGET)
# If project primaryTarget not set by user then set target platform name
# to be used by the generator when determining the primaryTarget.
set(GHS_TARGET_PLATFORM "integrity" CACHE STRING "GHS MULTI target platform")
mark_as_advanced(GHS_TARGET_PLATFORM)
if((NOT DEFINED GHS_PRIMARY_TARGET) OR (DEFINED CACHE{GHS_PRIMARY_TARGET}))
set(GHS_PRIMARY_TARGET "IGNORE" CACHE STRING "GHS MULTI primaryTarget")
mark_as_advanced(GHS_PRIMARY_TARGET)
endif()
# Setup MULTI toolset selection variables
if(CMAKE_HOST_UNIX)
set(_ts_root "/usr/ghs")
else()
set(_ts_root "C:/ghs")
if((NOT DEFINED GHS_TOOLSET_ROOT) OR (DEFINED CACHE{GHS_TOOLSET_ROOT}))
if(CMAKE_HOST_UNIX)
set(_ts_root "/usr/ghs")
else()
set(_ts_root "C:/ghs")
endif()
set(GHS_TOOLSET_ROOT "${_ts_root}" CACHE PATH "GHS platform toolset root directory")
mark_as_advanced(GHS_TOOLSET_ROOT)
unset(_ts_root)
endif()
set(GHS_TOOLSET_ROOT "${_ts_root}" CACHE PATH "GHS platform toolset root directory")
mark_as_advanced(GHS_TOOLSET_ROOT)
unset(_ts_root)
# Setup MULTI project variables
set(GHS_CUSTOMIZATION "" CACHE FILEPATH "optional GHS customization")
mark_as_advanced(GHS_CUSTOMIZATION)
set(GHS_GPJ_MACROS "" CACHE STRING "optional GHS macros generated in the .gpjs for legacy reasons")
mark_as_advanced(GHS_GPJ_MACROS)
if((NOT DEFINED GHS_CUSTOMIZATION) OR (DEFINED CACHE{GHS_CUSTOMIZATION}))
set(GHS_CUSTOMIZATION "" CACHE FILEPATH "optional GHS customization")
mark_as_advanced(GHS_CUSTOMIZATION)
endif()
if((NOT DEFINED GHS_GPJ_MACROS) OR (DEFINED CACHE{GHS_GPJ_MACROS}))
set(GHS_GPJ_MACROS "" CACHE STRING "optional GHS macros generated in the .gpjs for legacy reasons")
mark_as_advanced(GHS_GPJ_MACROS)
endif()
endif()
# If project primaryTarget not set then set target platform name.
# -- May be used by the generator when determining the primaryTarget.
if(NOT GHS_PRIMARY_TARGET)
if((NOT DEFINED GHS_TARGET_PLATFORM) OR (DEFINED CACHE{GHS_TARGET_PLATFORM}))
set(GHS_TARGET_PLATFORM "integrity" CACHE STRING "GHS MULTI target platform")
mark_as_advanced(GHS_TARGET_PLATFORM)
endif()
endif()
# Settings for OS selection
if(CMAKE_HOST_UNIX)
set(_os_root "/usr/ghs")
else()
set(_os_root "C:/ghs")
if((NOT DEFINED GHS_OS_ROOT) OR (DEFINED CACHE{GHS_OS_ROOT}))
if(CMAKE_HOST_UNIX)
set(_os_root "/usr/ghs")
else()
set(_os_root "C:/ghs")
endif()
set(GHS_OS_ROOT "${_os_root}" CACHE PATH "GHS platform OS search root directory")
unset(_os_root)
mark_as_advanced(GHS_OS_ROOT)
endif()
set(GHS_OS_ROOT "${_os_root}" CACHE PATH "GHS platform OS search root directory")
unset(_os_root)
mark_as_advanced(GHS_OS_ROOT)
# Search for GHS_OS_DIR if not set by user and is known to be required
if(GHS_PRIMARY_TARGET MATCHES "integrity" OR GHS_TARGET_PLATFORM MATCHES "integrity")
# Use a value that will make it apparent RTOS selection failed
# Needed - Use a value that will make it apparent RTOS selection failed
set(_ghs_os_dir "GHS_OS_DIR-NOT-SPECIFIED")
else()
# Not needed for this target
set(_ghs_os_dir "IGNORE")
endif()
if(_ghs_os_dir AND NOT DEFINED GHS_OS_DIR)
if(EXISTS ${GHS_OS_ROOT})
@@ -77,11 +95,16 @@ if(_ghs_os_dir AND NOT DEFINED GHS_OS_DIR)
endif()
#Used for targets requiring RTOS
set(GHS_OS_DIR "${_ghs_os_dir}" CACHE PATH "GHS platform OS directory")
mark_as_advanced(GHS_OS_DIR)
if((NOT DEFINED GHS_OS_DIR) OR (DEFINED CACHE{GHS_OS_DIR}))
set(GHS_OS_DIR "${_ghs_os_dir}" CACHE PATH "GHS platform OS directory")
mark_as_advanced(GHS_OS_DIR)
endif()
unset(_ghs_os_dir)
set(GHS_OS_DIR_OPTION "-os_dir " CACHE STRING "GHS compiler OS option")
mark_as_advanced(GHS_OS_DIR_OPTION)
if((NOT DEFINED GHS_OS_DIR_OPTION) OR (DEFINED CACHE{GHS_OS_DIR_OPTION}))
set(GHS_OS_DIR_OPTION "-os_dir " CACHE STRING "GHS compiler OS option")
mark_as_advanced(GHS_OS_DIR_OPTION)
endif()
# Select GHS_BSP_NAME if not set by user and is known to be required
if(GHS_PRIMARY_TARGET MATCHES "integrity" OR GHS_TARGET_PLATFORM MATCHES "integrity")
@@ -99,4 +122,8 @@ if(_ghs_bsp_name AND NOT DEFINED GHS_BSP_NAME)
endif()
endif()
set(GHS_BSP_NAME "${_ghs_bsp_name}" CACHE STRING "BSP name")
if((NOT DEFINED GHS_BSP_NAME) OR (DEFINED CACHE{GHS_BSP_NAME}))
set(GHS_BSP_NAME "${_ghs_bsp_name}" CACHE STRING "BSP name")
mark_as_advanced(GHS_BSP_NAME)
endif()
unset(_ghs_bsp_name)