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cmake px4_add_module add unity build support

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- a unity build is a single compilation unit per module
This commit is contained in:
Daniel Agar
2018-08-15 14:21:52 -04:00
committed by Lorenz Meier
parent 84f121ce0a
commit ce18225710
3 changed files with 29 additions and 7 deletions
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cmake/common/px4_base.cmake
+28 -4
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@@ -175,6 +175,7 @@ endfunction()
# INCLUDES : include directories
# DEPENDS : targets which this module depends on
# EXTERNAL : flag to indicate that this module is out-of-tree
# UNITY_BUILD : merge all source files and build this module as a single compilation unit
#
# Output:
# Static library with name matching MODULE.
@@ -194,11 +195,34 @@ function(px4_add_module)
NAME px4_add_module
ONE_VALUE MODULE MAIN STACK STACK_MAIN STACK_MAX PRIORITY
MULTI_VALUE COMPILE_FLAGS LINK_FLAGS SRCS INCLUDES DEPENDS
OPTIONS EXTERNAL
OPTIONS EXTERNAL UNITY_BUILD
REQUIRED MODULE MAIN
ARGN ${ARGN})
add_library(${MODULE} STATIC EXCLUDE_FROM_ALL ${SRCS})
if(UNITY_BUILD AND (${OS} STREQUAL "nuttx"))
# build standalone test library to catch compilation errors and provide sane output
add_library(${MODULE}_original STATIC EXCLUDE_FROM_ALL ${SRCS})
if(DEPENDS)
add_dependencies(${MODULE}_original ${DEPENDS})
endif()
if(INCLUDES)
target_include_directories(${MODULE}_original PRIVATE ${INCLUDES})
endif()
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${MODULE}_unity.cpp
COMMAND cat ${SRCS} > ${CMAKE_CURRENT_BINARY_DIR}/${MODULE}_unity.cpp
DEPENDS ${MODULE}_original ${DEPENDS} ${SRCS}
COMMENT "${MODULE} merging source"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${MODULE}_unity.cpp PROPERTIES GENERATED true)
add_library(${MODULE} STATIC EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/${MODULE}_unity.cpp)
target_include_directories(${MODULE} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
else()
add_library(${MODULE} STATIC EXCLUDE_FROM_ALL ${SRCS})
endif()
# all modules can potentially use parameters and uORB
add_dependencies(${MODULE} uorb_headers)
@@ -230,9 +254,9 @@ function(px4_add_module)
endif()
set_target_properties(${MODULE} PROPERTIES STACK_MAX ${STACK_MAX})
if(${OS} STREQUAL "qurt" )
if(${OS} STREQUAL "qurt")
set_property(TARGET ${MODULE} PROPERTY POSITION_INDEPENDENT_CODE TRUE)
elseif(${OS} STREQUAL "nuttx" )
elseif(${OS} STREQUAL "nuttx")
target_compile_options(${MODULE} PRIVATE -Wframe-larger-than=${STACK_MAX})
endif()