[cmake] add interface libraries ot-config-(ftd|mtd|radio) (#8190)

This allows for more granular control of any configuration which
might need to be incorporated in the core library build.

CMakeLists.txt

@@ -40,6 +40,9 @@ set(OT_EXTERNAL_MBEDTLS "" CACHE STRING "Specify external mbedtls library")
 option(OT_MBEDTLS_THREADING "enable mbedtls threading" OFF)
 
 add_library(ot-config INTERFACE)
+add_library(ot-config-ftd INTERFACE)
+add_library(ot-config-mtd INTERFACE)
+add_library(ot-config-radio INTERFACE)
 set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_C_STANDARD 99)

examples/apps/cli/ftd.cmake

@@ -44,6 +44,7 @@ target_link_libraries(ot-cli-ftd PRIVATE
     ${OT_PLATFORM_LIB_FTD}
     openthread-cli-ftd
     ${OT_MBEDTLS}
+    ot-config-ftd
     ot-config
 )
 

examples/apps/cli/mtd.cmake

@@ -44,6 +44,7 @@ target_link_libraries(ot-cli-mtd PRIVATE
     ${OT_PLATFORM_LIB_MTD}
     openthread-cli-mtd
     ${OT_MBEDTLS}
+    ot-config-mtd
     ot-config
 )
 

examples/apps/cli/radio.cmake

@@ -48,6 +48,7 @@ target_link_libraries(ot-cli-radio PRIVATE
     ${OT_PLATFORM_LIB_RCP}
     openthread-cli-radio
     ${OT_MBEDTLS_RCP}
+    ot-config-radio
     ot-config
 )
 

examples/apps/ncp/ftd.cmake

@@ -44,6 +44,7 @@ target_link_libraries(ot-ncp-ftd PRIVATE
     ${OT_PLATFORM_LIB_FTD}
     openthread-ncp-ftd
     ${OT_MBEDTLS}
+    ot-config-ftd
     ot-config
 )
 

examples/apps/ncp/mtd.cmake

@@ -44,6 +44,7 @@ target_link_libraries(ot-ncp-mtd PRIVATE
     ${OT_PLATFORM_LIB_MTD}
     openthread-ncp-mtd
     ${OT_MBEDTLS}
+    ot-config-mtd
     ot-config
 )
 

examples/apps/ncp/rcp.cmake

@@ -43,6 +43,7 @@ target_link_libraries(ot-rcp PRIVATE
     openthread-radio
     ${OT_PLATFORM_LIB_RCP}
     openthread-rcp
+    ot-config-radio
     ot-config
 )
 

src/cli/ftd.cmake

@@ -46,5 +46,6 @@ target_link_libraries(openthread-cli-ftd
         openthread-ftd
     PRIVATE
         ${OT_MBEDTLS}
+        ot-config-ftd
         ot-config
 )

src/cli/mtd.cmake

@@ -46,5 +46,6 @@ target_link_libraries(openthread-cli-mtd
         openthread-mtd
     PRIVATE
         ${OT_MBEDTLS}
+        ot-config-mtd
         ot-config
 )

src/cli/radio.cmake

@@ -55,5 +55,6 @@ target_link_libraries(openthread-cli-radio
         openthread-radio
     PRIVATE
         ${OT_MBEDTLS_RCP}
+        ot-config-radio
         ot-config
 )

src/core/ftd.cmake

@@ -43,6 +43,7 @@ target_sources(openthread-ftd PRIVATE ${COMMON_SOURCES})
 target_link_libraries(openthread-ftd
     PRIVATE
         ${OT_MBEDTLS}
+        ot-config-ftd
         ot-config
 )
 

src/core/mtd.cmake

@@ -43,6 +43,7 @@ target_sources(openthread-mtd PRIVATE ${COMMON_SOURCES})
 target_link_libraries(openthread-mtd
     PRIVATE
         ${OT_MBEDTLS}
+        ot-config-mtd
         ot-config
 )
 

src/core/radio.cmake

@@ -54,5 +54,6 @@ endif()
 target_link_libraries(openthread-radio
     PRIVATE
         ${OT_MBEDTLS_RCP}
+        ot-config-radio
         ot-config
 )

src/core/radio_cli.cmake

@@ -54,5 +54,6 @@ endif()
 target_link_libraries(openthread-radio-cli
     PRIVATE
         ${OT_MBEDTLS_RCP}
+        ot-config-radio
         ot-config
 )

src/lib/spinel/CMakeLists.txt

@@ -67,5 +67,14 @@ target_include_directories(openthread-spinel-rcp PUBLIC ${OT_PUBLIC_INCLUDES} PR
 target_sources(openthread-spinel-ncp PRIVATE ${COMMON_SOURCES})
 target_sources(openthread-spinel-rcp PRIVATE ${COMMON_SOURCES})
 
-target_link_libraries(openthread-spinel-ncp PRIVATE ot-config)
-target_link_libraries(openthread-spinel-rcp PRIVATE ot-config)
+target_link_libraries(openthread-spinel-ncp
+    PRIVATE
+        ot-config-ftd
+        ot-config
+)
+
+target_link_libraries(openthread-spinel-rcp
+    PRIVATE
+        ot-config-radio
+        ot-config
+)

src/ncp/ftd.cmake

@@ -49,5 +49,6 @@ target_link_libraries(openthread-ncp-ftd
         ${OT_MBEDTLS}
         openthread-hdlc
         openthread-spinel-ncp
+        ot-config-ftd
         ot-config
 )

src/ncp/mtd.cmake

@@ -49,5 +49,6 @@ target_link_libraries(openthread-ncp-mtd
         ${OT_MBEDTLS}
         openthread-hdlc
         openthread-spinel-ncp
+        ot-config-mtd
         ot-config
 )

src/ncp/radio.cmake

@@ -49,5 +49,6 @@ target_link_libraries(openthread-rcp
     PRIVATE
         openthread-hdlc
         openthread-spinel-rcp
+        ot-config-radio
         ot-config
 )

src/posix/cli.cmake

@@ -53,6 +53,7 @@ target_link_libraries(ot-cli
     openthread-spinel-rcp
     ${OT_MBEDTLS}
     ${READLINE_LINK_LIBRARIES}
+    ot-config-ftd
     ot-config
 )
 

src/posix/daemon.cmake

@@ -45,6 +45,7 @@ target_link_libraries(ot-daemon PRIVATE
     openthread-spinel-rcp
     ${OT_MBEDTLS}
     ot-posix-config
+    ot-config-ftd
     ot-config
 )
 

src/posix/platform/CMakeLists.txt

@@ -121,6 +121,7 @@ target_link_libraries(openthread-posix
         openthread-platform
     PRIVATE
         openthread-url
+        ot-config-ftd
         ot-config
         ot-posix-config
         util