Remove Gates on CMake install Targets

When bootstrapping Swift projects using CMake, we need to be able to
install libraries to the install tree so they are available at runtime
for installed programs to dynamically link against.

Author: Gwen Mittertreiner

Sources/TSCBasic/CMakeLists.txt

@@ -72,12 +72,9 @@ target_link_libraries(TSCBasic PRIVATE
 set_target_properties(TSCBasic PROPERTIES
   INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_Swift_MODULE_DIRECTORY})
 
-
-if(CMAKE_SYSTEM_NAME STREQUAL Windows)
 install(TARGETS TSCBasic
   ARCHIVE DESTINATION lib
   LIBRARY DESTINATION lib
   RUNTIME DESTINATION bin)
-endif()
 
 set_property(GLOBAL APPEND PROPERTY TSC_EXPORTS TSCBasic)

Sources/TSCLibc/CMakeLists.txt

@@ -17,12 +17,9 @@ endif()
 set_target_properties(TSCLibc PROPERTIES
   INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_Swift_MODULE_DIRECTORY})
 
-
-if(CMAKE_SYSTEM_NAME STREQUAL Windows)
 install(TARGETS TSCLibc
   ARCHIVE DESTINATION lib
   LIBRARY DESTINATION lib
   RUNTIME DESTINATION bin)
-endif()
 
 set_property(GLOBAL APPEND PROPERTY TSC_EXPORTS TSCLibc)

Sources/TSCUtility/CMakeLists.txt

@@ -62,11 +62,9 @@ endif()
 set_target_properties(TSCUtility PROPERTIES
   INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_Swift_MODULE_DIRECTORY})
 
-if(CMAKE_SYSTEM_NAME STREQUAL Windows)
-  install(TARGETS TSCUtility
-    ARCHIVE DESTINATION lib
-    LIBRARY DESTINATION lib
-    RUNTIME DESTINATION bin)
-endif()
+install(TARGETS TSCUtility
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin)
 
 set_property(GLOBAL APPEND PROPERTY TSC_EXPORTS TSCUtility)