Xcode: Use "Link Binary With Libraries" build phase in some cases

OBJECT and STATIC libraries (framework or non-framework) do not use
this build phase. Not all items to be linked use this build phase either.

Co-Authored-By: Craig Scott <craig.scott@crascit.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/Tests/RunCMake/XcodeProject/LinkBinariesBuildPhase_Funcs.cmake b/Tests/RunCMake/XcodeProject/LinkBinariesBuildPhase_Funcs.cmake
new file mode 100644
index 0000000..601e52f
--- /dev/null
+++ b/Tests/RunCMake/XcodeProject/LinkBinariesBuildPhase_Funcs.cmake
@@ -0,0 +1,55 @@
+macro(returnOnError errorMsg)
+  if(NOT "${errorMsg}" STREQUAL "")
+    set(RunCMake_TEST_FAILED "${RunCMake_TEST_FAILED}\n${errorMsg}" PARENT_SCOPE)
+    return()
+  endif()
+endmacro()
+
+function(getTargetFlags mainTarget projFlagsVar flagsVar errorVar)
+  # The flags variables in the project file might span over multiple lines
+  # so we can't easily read the flags directly from there. Instead, we use
+  # the xcodebuild -showBuildSettings option to report it on a single line.
+  execute_process(
+    COMMAND ${CMAKE_COMMAND}
+            --build ${RunCMake_TEST_BINARY_DIR}
+            --target ${mainTarget}
+            --config Debug
+            --
+            -showBuildSettings
+    COMMAND grep ${projFlagsVar}
+    OUTPUT_VARIABLE flagsContents
+    RESULT_VARIABLE result
+  )
+
+  if(result)
+    set(${errorVar} "Failed to get flags for ${mainTarget}: ${result}" PARENT_SCOPE)
+  else()
+    unset(${errorVar} PARENT_SCOPE)
+  endif()
+  set(${flagsVar} "${flagsContents}" PARENT_SCOPE)
+endfunction()
+
+function(checkFlags projFlagsVar mainTarget present absent)
+  getTargetFlags(${mainTarget} ${projFlagsVar} flags errorMsg)
+  returnOnError("${errorMsg}")
+
+  foreach(linkTo IN LISTS present)
+    string(REGEX MATCH "${linkTo}" result "${flags}")
+    if("${result}" STREQUAL "")
+      string(APPEND RunCMake_TEST_FAILED
+        "\n${mainTarget} ${projFlagsVar} is missing ${linkTo}"
+      )
+    endif()
+  endforeach()
+
+  foreach(linkTo IN LISTS absent)
+    string(REGEX MATCH "${linkTo}" result "${flags}")
+    if(NOT "${result}" STREQUAL "")
+      string(APPEND RunCMake_TEST_FAILED
+        "\n${mainTarget} ${projFlagsVar} unexpectedly contains ${linkTo}"
+      )
+    endif()
+  endforeach()
+
+  set(RunCMake_TEST_FAILED ${RunCMake_TEST_FAILED} PARENT_SCOPE)
+endfunction()