Add modulemaps that work for statically compiled Foundation (#2850)

* Add modulemaps that work for statically compiled Foundation

The static libraries need to link against additional dependencies, which are listed in the newly added modulemaps

* Move swift_lib_dir definition into separate block

Author: drexin

CMakeLists.txt

@@ -68,33 +68,39 @@ if(NOT BUILD_SHARED_LIBS)
   install(TARGETS CoreFoundation CFXMLInterface CFURLSessionInterface
     DESTINATION lib/swift_static/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>)
 endif()
+
+set(swift_lib_dir "lib/swift")
+if(NOT BUILD_SHARED_LIBS)
+  set(swift_lib_dir "lib/swift_static")
+endif()
+
 # TODO(compnerd) install as a Framework as that is how swift actually is built
 install(DIRECTORY
           ${CMAKE_CURRENT_BINARY_DIR}/CoreFoundation.framework/Headers/
         DESTINATION
-          lib/swift/CoreFoundation
+          ${swift_lib_dir}/CoreFoundation
         FILES_MATCHING PATTERN "*.h")
 install(FILES
-          CoreFoundation/Base.subproj/module.map
+          CoreFoundation/Base.subproj/$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:static/>module.map
         DESTINATION
-          lib/swift/CoreFoundation)
+          ${swift_lib_dir}/CoreFoundation)
 install(DIRECTORY
           ${CMAKE_CURRENT_BINARY_DIR}/CFURLSessionInterface.framework/Headers/
         DESTINATION
-          lib/swift/CFURLSessionInterface
+          ${swift_lib_dir}/CFURLSessionInterface
         FILES_MATCHING PATTERN "*.h")
 install(FILES
-          CoreFoundation/URL.subproj/module.map
+          CoreFoundation/URL.subproj/$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:static/>module.map
         DESTINATION
-          lib/swift/CFURLSessionInterface)
+          ${swift_lib_dir}/CFURLSessionInterface)
 install(DIRECTORY
           ${CMAKE_CURRENT_BINARY_DIR}/CFXMLInterface.framework/Headers/
         DESTINATION
-          lib/swift/CFXMLInterface
+          ${swift_lib_dir}/CFXMLInterface
         FILES_MATCHING PATTERN "*.h")
 install(FILES
-          CoreFoundation/Parsing.subproj/module.map
+          CoreFoundation/Parsing.subproj/$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:static/>module.map
         DESTINATION
-          lib/swift/CFXMLInterface)
+          ${swift_lib_dir}/CFXMLInterface)
 
 add_subdirectory(cmake/modules)

CoreFoundation/Base.subproj/static/module.map

@@ -0,0 +1,7 @@
+module CoreFoundation [extern_c] [system] {
+    umbrella header "CoreFoundation.h"
+    explicit module CFPlugInCOM { header "CFPlugInCOM.h" }
+
+    link "CoreFoundation"
+    link "uuid"
+}

CoreFoundation/Parsing.subproj/static/module.map

@@ -0,0 +1,6 @@
+module CFXMLInterface [extern_c] [system] {
+    umbrella header "CFXMLInterface.h"
+
+    link "CFXMLInterface"
+    link "xml2"
+}

CoreFoundation/URL.subproj/static/module.map

@@ -0,0 +1,6 @@
+module CFURLSessionInterface [extern_c] [system] {
+    umbrella header "CFURLSessionInterface.h"
+
+    link "CFURLSessionInterface"
+    link "curl"
+}