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[cmake] avoid unnecessary rebuilds (#5857)

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This commit avoid unnecessary rebuilds. The issue is caused by the
openthread-mbedtls-config target added by add_custom_target will always
be run, so the generated openthread-mbedtls-config.h is always
re-generated. This commit changes to use add_custom_command to generate
the header file.
This commit is contained in:
Yakun Xu
2020-11-24 19:23:30 -08:00
committed by GitHub
parent b6e2c2c970
commit 52296ddc29
1 changed files with 11 additions and 3 deletions
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third_party/mbedtls/CMakeLists.txt
Vendored
+11 -3
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@@ -26,7 +26,7 @@
# POSSIBILITY OF SUCH DAMAGE.
#
set(OT_MBEDTLS_DEFAULT_CONFIG_FILE \"${CMAKE_CURRENT_BINARY_DIR}/openthread-mbedtls-config.h\")
set(OT_MBEDTLS_DEFAULT_CONFIG_FILE \"openthread-mbedtls-config.h\")
set(OT_MBEDTLS_CONFIG_FILE "" CACHE STRING "The mbedTLS config file")
@@ -45,8 +45,8 @@ find_program(SED_EXE sed)
add_subdirectory(repo)
if(UNIFDEFALL_EXE AND SED_EXE AND UNIFDEF_VERSION VERSION_GREATER_EQUAL 2.10)
add_custom_target(openthread-mbedtls-config
${UNIFDEFALL_EXE}
add_custom_command(OUTPUT openthread-mbedtls-config.h
COMMAND ${UNIFDEFALL_EXE}
"'-D$<JOIN:$<TARGET_PROPERTY:ot-config,INTERFACE_COMPILE_DEFINITIONS>,';'-D>'"
"-I$<JOIN:$<TARGET_PROPERTY:ot-config,INTERFACE_INCLUDE_DIRECTORIES>,;-I>"
"-I$<JOIN:${OT_PUBLIC_INCLUDES},;-I>"
@@ -54,8 +54,14 @@ if(UNIFDEFALL_EXE AND SED_EXE AND UNIFDEF_VERSION VERSION_GREATER_EQUAL 2.10)
"${CMAKE_CURRENT_SOURCE_DIR}/mbedtls-config.h" |
${SED_EXE} '/openthread-core-config\.h/d' >
openthread-mbedtls-config.h
MAIN_DEPENDENCY mbedtls-config.h
COMMAND_EXPAND_LISTS
)
add_custom_target(openthread-mbedtls-config
DEPENDS openthread-mbedtls-config.h)
add_dependencies(ot-config openthread-mbedtls-config)
add_dependencies(mbedtls openthread-mbedtls-config)
add_dependencies(mbedx509 openthread-mbedtls-config)
add_dependencies(mbedcrypto openthread-mbedtls-config)
@@ -63,6 +69,8 @@ else()
configure_file(mbedtls-config.h openthread-mbedtls-config.h COPYONLY)
endif()
target_include_directories(ot-config INTERFACE ${CMAKE_CURRENT_BINARY_DIR})
target_compile_definitions(mbedtls
PUBLIC
"MBEDTLS_CONFIG_FILE=$<IF:$<BOOL:${OT_MBEDTLS_CONFIG_FILE}>,${OT_MBEDTLS_CONFIG_FILE},${OT_MBEDTLS_DEFAULT_CONFIG_FILE}>"