Add long path support

CMakeLists.txt

@@ -170,6 +170,7 @@ vcpkg_target_add_warning_options(vcpkg)
 if(VCPKG_EMBED_GIT_SHA)
     vcpkg_target_add_sourcelink(vcpkg "frivard-coveo" "vcpkg-tool" ${VCPKG_VERSION})
 endif()
+vcpkg_target_add_manifest(vcpkg) # add support for long paths on Windows (> 260 chars)
 
 # === Target: vcpkg-test ===
 

cmake/utilities.cmake

@@ -265,3 +265,13 @@ function(vcpkg_target_add_sourcelink TARGET repoOwner repoName gitFullSha1)
         message(STATUS "SOURCELINK support added, pointing to ${githubBaseUrl}")
     endif()
 endfunction()
+
+function(vcpkg_target_add_manifest TARGET)
+    if(MSVC)
+        configure_file("${CMAKE_SOURCE_DIR}/src/longpathaware.manifest.in"
+                       "${CMAKE_CURRENT_BINARY_DIR}/longpathaware.manifest"
+                       COPYONLY)
+        target_sources(${TARGET} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}/longpathaware.manifest")
+        message(STATUS "Manifest added to ${TARGET} for long path support")
+    endif()
+endfunction()

src/longpathaware.manifest.in

@@ -0,0 +1,7 @@
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">
+      <longPathAware>true</longPathAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+</assembly>