[cmake] Add optionto no build libwebocket along Open OCPP library and…

… use the one provided by the compiler SDK
c-jimenez · Nov 12, 2023 · d04f35d · d04f35d
1 parent 1c8683c
commit d04f35d
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Showing 4 changed files with 30 additions and 16 deletions.
diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
@@ -14,19 +14,22 @@ target_include_directories(doctest INTERFACE doctest/doctest)
 # SQLite 3
 add_subdirectory(sqlite3)
 
-# Use default flags for the libwebsockets library
-if (NOT MSVC)
-set(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG_INIT} -O0 -g3 -ggdb3")
-set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG_INIT} -O0 -g3 -ggdb3")
-set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE_INIT} -O2 -DNDEBUG")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT} -O2 -DNDEBUG")
-else()
-set(DISABLED_WARNING_LWS    "/WX- /wd4191 /wd4996")
-set(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG_INIT} ${DISABLED_WARNING_LWS}")
-set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG_INIT} ${DISABLED_WARNING_LWS}")
-set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE_INIT} ${DISABLED_WARNING_LWS}")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT} ${DISABLED_WARNING_LWS}")
-endif()
+# libwebsockets
+if(${BUILD_LWS_LIBRARY})
+    # Use default flags for the libwebsockets library
+    if (NOT MSVC)
+    set(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG_INIT} -O0 -g3 -ggdb3")
+    set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG_INIT} -O0 -g3 -ggdb3")
+    set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE_INIT} -O2 -DNDEBUG")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT} -O2 -DNDEBUG")
+    else()
+    set(DISABLED_WARNING_LWS    "/WX- /wd4191 /wd4996")
+    set(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG_INIT} ${DISABLED_WARNING_LWS}")
+    set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG_INIT} ${DISABLED_WARNING_LWS}")
+    set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE_INIT} ${DISABLED_WARNING_LWS}")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE_INIT} ${DISABLED_WARNING_LWS}")
+    endif()
 
-set(LWS_WITH_NETLINK OFF)
-add_subdirectory(libwebsockets)
+    set(LWS_WITH_NETLINK OFF)
+    add_subdirectory(libwebsockets)
+endif()
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -35,6 +35,14 @@ add_subdirectory(3rdparty)
 # OpenSSL is mandatory
 find_package(OpenSSL REQUIRED COMPONENTS SSL Crypto)
 
+# libwesockets is mandatory if not built along the Open OCPP library
+if(NOT ${BUILD_LWS_LIBRARY})
+    find_package(PkgConfig)
+    pkg_check_modules(LIB_WEBSOCKETS REQUIRED libwebsockets)
+else()
+    set(LIB_WEBSOCKETS websockets)
+endif()
+
 # Tests
 if(${BUILD_UNIT_TESTS})
     enable_testing()

diff --git a/CMakeLists_Options.txt b/CMakeLists_Options.txt
@@ -22,3 +22,6 @@ option(BUILD_UNIT_TESTS     "Build unit tests"                      ON)
 
 # Examples
 option(BUILD_EXAMPLES       "Build examples"                        ON)
+
+# Build the libwebsocket library along with the Open OCPP library
+option(BUILD_LWS_LIBRARY    "Build libwebsocket library"            ON)
diff --git a/src/websockets/CMakeLists.txt b/src/websockets/CMakeLists.txt
@@ -21,6 +21,6 @@ target_include_directories(ws PUBLIC . stubs)
 
 # Dependencies
 target_link_libraries(ws PUBLIC
-    websockets
+    ${LIB_WEBSOCKETS}
     helpers
 )