1 files changed, 49 insertions, 0 deletions
diff --git a/Tests/RunCMake/target_link_options/LINKER_expansion.cmake b/Tests/RunCMake/target_link_options/LINKER_expansion.cmake
new file mode 100644
index 0000000..b344867
--- /dev/null
+++ b/Tests/RunCMake/target_link_options/LINKER_expansion.cmake
@@ -0,0 +1,49 @@
+
+enable_language(C)
+
+add_executable(dump dump.c)
+
+# ensure no temp file will be used
+string(REPLACE "${CMAKE_START_TEMP_FILE}" "" CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY}")
+string(REPLACE "${CMAKE_END_TEMP_FILE}" "" CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY}")
+
+
+# Use LINKER alone
+add_library(linker SHARED LinkOptionsLib.c)
+target_link_options(linker PRIVATE "LINKER:-foo,bar")
+
+# use LAUNCH facility to dump linker command
+set_property(TARGET linker PROPERTY RULE_LAUNCH_LINK "\"${CMAKE_CURRENT_BINARY_DIR}/dump${CMAKE_EXECUTABLE_SUFFIX}\"")
+
+add_dependencies (linker dump)
+
+
+# Use LINKER with SHELL
+add_library(linker_shell SHARED LinkOptionsLib.c)
+target_link_options(linker_shell PRIVATE "LINKER:SHELL:-foo bar")
+
+# use LAUNCH facility to dump linker command
+set_property(TARGET linker_shell PROPERTY RULE_LAUNCH_LINK "\"${CMAKE_CURRENT_BINARY_DIR}/dump${CMAKE_EXECUTABLE_SUFFIX}\"")
+
+add_dependencies (linker_shell dump)
+
+
+# generate reference for LINKER flag
+if (CMAKE_C_LINKER_WRAPPER_FLAG)
+  set(linker_flag ${CMAKE_C_LINKER_WRAPPER_FLAG})
+  list(GET linker_flag -1 linker_space)
+  if (linker_space STREQUAL " ")
+    list(REMOVE_AT linker_flag -1)
+  else()
+    set(linker_space)
+  endif()
+  list (JOIN linker_flag " " linker_flag)
+  if (CMAKE_C_LINKER_WRAPPER_FLAG_SEP)
+    string (APPEND  linker_flag "${linker_space}" "-foo${CMAKE_C_LINKER_WRAPPER_FLAG_SEP}bar")
+  else()
+    set (linker_flag "${linker_flag}${linker_space}-foo ${linker_flag}${linker_space}bar")
+  endif()
+else()
+  set(linker_flag "-foo bar")
+endif()
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LINKER.txt" "${linker_flag}")