gistfile1.txt

commit c74f64f05764f8bb25d85d8a88cc7c4647be60cc
Author: Frank Denis <github@pureftpd.org>
Date:   Fri Oct 16 14:57:36 2020 +0200

    Backport libxml2 fix from master

diff --git a/llvm/cmake/modules/GetLibraryName.cmake b/llvm/cmake/modules/GetLibraryName.cmake
new file mode 100644
index 00000000000..518fa4cf594
--- /dev/null
+++ b/llvm/cmake/modules/GetLibraryName.cmake
@@ -0,0 +1,16 @@
+function(get_library_name path name)
+   get_filename_component(path ${path} NAME)
+   set(prefixes ${CMAKE_FIND_LIBRARY_PREFIXES})
+   set(suffixes ${CMAKE_FIND_LIBRARY_SUFFIXES})
+   list(FILTER prefixes EXCLUDE REGEX "^\\s*$")
+   list(FILTER suffixes EXCLUDE REGEX "^\\s*$")
+   if(prefixes)
+     string(REPLACE ";" "|" prefixes "${prefixes}")
+     string(REGEX REPLACE "^(${prefixes})" "" path ${path})
+   endif()
+   if(suffixes)
+     string(REPLACE ";" "|" suffixes "${suffixes}")
+     string(REGEX REPLACE "(${suffixes})$" "" path ${path})
+   endif()
+   set(${name} "${path}" PARENT_SCOPE)
+ endfunction()
diff --git a/llvm/lib/WindowsManifest/CMakeLists.txt b/llvm/lib/WindowsManifest/CMakeLists.txt
index 7ccc17ad577..044216be85b 100644
--- a/llvm/lib/WindowsManifest/CMakeLists.txt
+++ b/llvm/lib/WindowsManifest/CMakeLists.txt
@@ -1,23 +1,23 @@
+include(GetLibraryName)
+
+set(imported_libs LibXml2::LibXml2)
+
 add_llvm_component_library(LLVMWindowsManifest
   WindowsManifestMerger.cpp
 
   ADDITIONAL_HEADER_DIRS
   ${LLVM_MAIN_INCLUDE_DIR}/llvm/WindowsManifest
-  ${Backtrace_INCLUDE_DIRS})
+  ${Backtrace_INCLUDE_DIRS}
+  LINK_LIBS ${imported_libs})
 
 if(LIBXML2_LIBRARIES)
-  target_link_libraries(LLVMWindowsManifest PUBLIC ${LIBXML2_LIBRARIES})
-
-  get_filename_component(xml2_library ${LIBXML2_LIBRARIES} NAME)
-  if (CMAKE_STATIC_LIBRARY_PREFIX AND
-      xml2_library MATCHES "^${CMAKE_STATIC_LIBRARY_PREFIX}.*${CMAKE_STATIC_LIBRARY_SUFFIX}$")
-    string(REGEX REPLACE "^${CMAKE_STATIC_LIBRARY_PREFIX}" "" xml2_library ${xml2_library})
-    string(REGEX REPLACE "${CMAKE_STATIC_LIBRARY_SUFFIX}$" "" xml2_library ${xml2_library})
-  elseif (CMAKE_SHARED_LIBRARY_PREFIX AND
-          xml2_library MATCHES "^${CMAKE_SHARED_LIBRARY_PREFIX}.*${CMAKE_SHARED_LIBRARY_SUFFIX}$")
-    string(REGEX REPLACE "^${CMAKE_SHARED_LIBRARY_PREFIX}" "" xml2_library ${xml2_library})
-    string(REGEX REPLACE "${CMAKE_SHARED_LIBRARY_SUFFIX}$" "" xml2_library ${xml2_library})
+  if(CMAKE_BUILD_TYPE)
+     string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
+     get_property(libxml2_library TARGET LibXml2::LibXml2 PROPERTY LOCATION_${build_type})
   endif()
-  set_property(TARGET LLVMWindowsManifest PROPERTY
-    LLVM_SYSTEM_LIBS ${xml2_library})
+  if(NOT zlib_library)
+    get_property(libxml2_library TARGET LibXml2::LibXml2 PROPERTY LOCATION)
+  endif()
+  get_library_name(${libxml2_library} libxml2_library)
+  set_property(TARGET LLVMWindowsManifest PROPERTY LLVM_SYSTEM_LIBS ${libxml2_library})
 endif()