CMake: check if -lsocket is needed

DerDakon · Jul 5, 2020 · a5208f2 · a5208f2
1 parent 55f8044
commit a5208f2
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -17,9 +17,19 @@ include(CheckCCompilerFlag)
 include(CheckCSourceCompiles)
 include(CheckSymbolExists)
 include(CheckFunctionExists)
+include(CheckLibraryExists)
 include(CMakeDependentOption)
 include(GNUInstallDirs)
 
+# Find library needed for connect. Taken from FindX11.cmake
+check_function_exists("connect" CMAKE_HAVE_CONNECT)
+if(NOT CMAKE_HAVE_CONNECT)
+	check_library_exists("socket" "connect" "" CMAKE_LIB_SOCKET_HAS_CONNECT)
+	if (CMAKE_LIB_SOCKET_HAS_CONNECT)
+		set(CMAKE_SOCKET_LIB socket)
+	endif ()
+endif()
+
 find_package(owfat REQUIRED)
 
 if (COMMAND cmake_policy)

diff --git a/cmake/Modules/Findowfat.cmake b/cmake/Modules/Findowfat.cmake
@@ -24,6 +24,10 @@ if(OWFAT_FOUND)
 		set_target_properties(owfat::owfat PROPERTIES
 			IMPORTED_LINK_INTERFACE_LANGUAGES "C"
 			IMPORTED_LOCATION "${OWFAT_LIBRARY}")
+		if (CMAKE_SOCKET_LIB)
+			set_target_properties(owfat::owfat PROPERTIES
+				INTERFACE_LINK_LIBRARIES "${CMAKE_SOCKET_LIB}")
+		endif ()
 	endif ()
 	set(OWFAT_INCLUDE_DIRS ${OWFAT_INCLUDE_DIR})
 endif()