[cmake] add ncurses dependency (#4971)

This is required on OpenWRT.

.github/workflows/build.yml

@@ -76,7 +76,7 @@ jobs:
     - name: Bootstrap
       run: |
         sudo apt update
-        sudo apt --no-install-recommends install -y ninja-build
+        sudo apt --no-install-recommends install -y ninja-build libreadline-dev libncurses-dev
     - name: Package
       run: |
         script/test package
@@ -147,7 +147,7 @@ jobs:
     - name: Bootstrap
       run: |
         sudo apt update
-        sudo apt --no-install-recommends install -y gcc-${{ matrix.gcc_ver }} g++-${{ matrix.gcc_ver }} ninja-build
+        sudo apt --no-install-recommends install -y gcc-${{ matrix.gcc_ver }} g++-${{ matrix.gcc_ver }} ninja-build libreadline-dev libncurses-dev
     - name: Build
       run: |
         script/check-simulation-build
@@ -169,8 +169,10 @@ jobs:
       - uses: actions/checkout@v2
       - name: Bootstrap
         run: |
+          sudo dpkg --add-architecture i386
           sudo apt update
           sudo apt --no-install-recommends install -y clang-${{ matrix.clang_ver }} clang++-${{ matrix.clang_ver }} g++-multilib ninja-build
+          sudo apt --no-install-recommends install -y libreadline-dev:i386 libncurses-dev:i386
       - name: Build
         run: |
           script/check-posix-build

.github/workflows/simulation.yml

@@ -148,7 +148,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Bootstrap
       run: |
-        sudo apt --no-install-recommends install -y expect ninja-build
+        OT_OPTIONS=-DOT_READLINE=OFF sudo apt --no-install-recommends install -y expect ninja-build
     - name: Run
       run: |
         ./script/test build expect
@@ -156,7 +156,7 @@ jobs:
       uses: codecov/codecov-action@v1
     - name: Run RCP Mode
       run: |
-        VIRTUAL_TIME=0 NODE_MODE=rcp ./script/test clean build expect
+        OT_OPTIONS=-DOT_READLINE=OFF VIRTUAL_TIME=0 NODE_MODE=rcp ./script/test clean build expect
     - name: Codecov
       uses: codecov/codecov-action@v1
 

src/posix/CMakeLists.txt

@@ -39,6 +39,17 @@ set_property(CACHE OT_READLINE PROPERTY STRINGS "readline" "edit" "no")
 
 if(OT_READLINE)
     find_library(READLINE ${OT_READLINE})
+
+    if (NOT READLINE)
+        message(FATAL_ERROR "Failed to find ${OT_READLINE}")
+    endif()
+
+    find_library(NCURSES ncurses)
+    if (NOT NCURSES)
+        message(FATAL_ERROR "Failed to find ncurses")
+    endif()
+
+    list(APPEND READLINE_LINK_LIBRARIES "${READLINE}" "${NCURSES}")
 endif()
 
 if(OT_DAEMON)

src/posix/daemon.cmake

@@ -79,7 +79,7 @@ target_compile_options(ot-ctl PRIVATE
 
 target_link_libraries(ot-ctl
     openthread-platform
-    $<$<BOOL:${READLINE}>:${OT_READLINE}>
+    ${READLINE_LINK_LIBRARIES}
 )
 
 target_include_directories(ot-ctl PRIVATE ${COMMON_INCLUDES})

src/posix/standalone.cmake

@@ -57,7 +57,7 @@ target_link_libraries(ot-cli
     ${OT_PLATFORM_LIB}
     mbedcrypto
     openthread-ncp-ftd
-    $<$<BOOL:${READLINE}>:${OT_READLINE}>
+    ${READLINE_LINK_LIBRARIES}
 )
 
 add_executable(ot-ncp