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build: prevent subsystems.json from being gen

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Actual files make terrible dependency targets in CMake.
Wrap the generation of subsystems.json into a custom
target to get around this. Fixes a problem where
parse_syscalls.py was being called multiple times.

Fixes: #23504

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2020-03-16 12:48:00 -07:00 • committed by Andrew Boie
commit c1c54b13a6
2 changed files with 7 additions and 5 deletions
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10
CMakeLists.txt
View file

@ -54,7 +54,7 @@ set(SYSCALL_LIST_H_TARGET syscall_list_h_target)
set(DRIVER_VALIDATION_H_TARGET driver_validation_h_target)
set(KOBJ_TYPES_H_TARGET kobj_types_h_target)
set(LINKER_SCRIPT_TARGET linker_script_target)
set(PARSE_SYSCALLS_TARGET parse_syscalls_target)
define_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT BRIEF_DOCS " " FULL_DOCS " ")
set_property( GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-little${ARCH}) # BFD format
@ -598,6 +598,8 @@ add_custom_command(
)
add_custom_target(${SYSCALL_LIST_H_TARGET} DEPENDS ${syscall_list_h})
add_custom_target(${PARSE_SYSCALLS_TARGET}
DEPENDS ${syscalls_json} ${subsys_json})
# 64-bit systems do not require special handling of 64-bit system call
# parameters or return values, indicate this to the system call boilerplate
@ -617,7 +619,7 @@ add_custom_command(OUTPUT include/generated/syscall_dispatch.c ${syscall_list_h}
--syscall-list ${syscall_list_h}
${SYSCALL_LONG_REGISTERS_ARG}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${syscalls_json}
DEPENDS ${PARSE_SYSCALLS_TARGET}
)
# This is passed into all calls to the gen_kobject_list.py script.
@ -634,7 +636,7 @@ add_custom_command(
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
DEPENDS
${ZEPHYR_BASE}/scripts/gen_kobject_list.py
${subsys_json}
${PARSE_SYSCALLS_TARGET}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
add_custom_target(${DRIVER_VALIDATION_H_TARGET} DEPENDS ${DRV_VALIDATION})
@ -954,7 +956,7 @@ if(CONFIG_USERSPACE)
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
DEPENDS
${ZEPHYR_PREBUILT_EXECUTABLE}
${subsys_json}
${PARSE_SYSCALLS_TARGET}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
add_custom_target(obj_list DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${OBJ_LIST})

2
cmake/kobj.cmake
View file

@ -25,7 +25,7 @@ function(gen_kobj gen_dir_out)
$<$<BOOL:${CMAKE_VERBOSE_MAKEFILE}>:--verbose>
DEPENDS
$ENV{ZEPHYR_BASE}/scripts/gen_kobject_list.py
${subsys_json}
${PARSE_SYSCALLS_TARGET}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
)
add_custom_target(${KOBJ_TYPES_H_TARGET} DEPENDS ${KOBJ_TYPES} ${KOBJ_OTYPE})