vcpkg/ports/graphviz/fix-dependencies.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12fd424..11371df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -185,12 +185,14 @@ find_package(PkgConfig)
 if(PkgConfig_FOUND)
   pkg_check_modules(GDK gdk-2.0)
   pkg_check_modules(GDK_PIXBUF gdk-pixbuf-2.0)
-  pkg_check_modules(LASI lasi)
-  pkg_check_modules(POPPLER poppler-glib)
+  set(LASI_FOUND 0)
+  set(POPPLER_FOUND 0)
   pkg_check_modules(RSVG librsvg-2.0)
   pkg_check_modules(WEBP libwebp)
+  if(UNIX)
   pkg_check_modules(X11 x11)
   pkg_check_modules(XRENDER xrender)
+  endif()
 else()
   set(GDK_FOUND 0)
   set(GDK_PIXBUF_FOUND 0)
diff --git a/cmake/FindCAIRO.cmake b/cmake/FindCAIRO.cmake
index 65bb42f..47949f6 100644
--- a/cmake/FindCAIRO.cmake
+++ b/cmake/FindCAIRO.cmake
@@ -1,6 +1,6 @@
 include(FindPackageHandleStandardArgs)
 
-if(WIN32)
+if(0)
   find_path(
     CAIRO_INCLUDE_DIR cairo.h
     PATH_SUFFIXES cairo
@@ -39,7 +39,9 @@ if(WIN32)
   )
 else()
   find_package(PkgConfig)
-  pkg_check_modules(CAIRO cairo)
+  pkg_check_modules(CAIRO cairo IMPORTED_TARGET)
+  set(CAIRO_LIBRARIES PkgConfig::CAIRO)
+  set(CAIRO_LINK_LIBRARIES PkgConfig::CAIRO)
 
   find_package_handle_standard_args(CAIRO DEFAULT_MSG
     CAIRO_INCLUDE_DIRS
diff --git a/cmake/FindGD.cmake b/cmake/FindGD.cmake
index 0deb5e6..ef42889 100644
--- a/cmake/FindGD.cmake
+++ b/cmake/FindGD.cmake
@@ -1,3 +1,11 @@
+find_package(PkgConfig)
+pkg_check_modules(GD gdlib IMPORTED_TARGET)
+set(GD_LIBRARIES PkgConfig::GD)
+foreach(item IN ITEMS FONTCONFIG FREETYPE GIF JPEG PNG)
+  set(HAVE_GD_${item} 1)
+endforeach()
+return()
+
 find_path(GD_INCLUDE_DIR gd.h)
 find_library(GD_LIBRARY NAMES gd libgd)
 find_program(GD_RUNTIME_LIBRARY libgd.dll)
diff --git a/cmake/FindGTS.cmake b/cmake/FindGTS.cmake
index 8e544e9..88dd849 100644
--- a/cmake/FindGTS.cmake
+++ b/cmake/FindGTS.cmake
@@ -1,5 +1,5 @@
 include(FindPackageHandleStandardArgs)
-if(WIN32)
+if(0)
   find_path(GTS_INCLUDE_DIR gts.h)
   find_path(GLIB_INCLUDE_DIR glib.h PATH_SUFFIXES glib-2.0)
   find_path(GLIBCONFIG_INCLUDE_DIR glibconfig.h
@@ -40,7 +40,8 @@ if(WIN32)
   )
 else()
   find_package(PkgConfig)
-  pkg_check_modules(GTS gts)
+  pkg_check_modules(GTS gts IMPORTED_TARGET)
+  set(GTS_LINK_LIBRARIES PkgConfig::GTS)
 
   find_package_handle_standard_args(GTS DEFAULT_MSG
     GTS_INCLUDE_DIRS
diff --git a/cmake/FindLTDL.cmake b/cmake/FindLTDL.cmake
index e955b74..046e9e8 100644
--- a/cmake/FindLTDL.cmake
+++ b/cmake/FindLTDL.cmake
@@ -17,4 +17,7 @@ mark_as_advanced(LTDL_INCLUDE_DIR LTDL_LIBRARY)
 set(LTDL_INCLUDE_DIRS ${LTDL_INCLUDE_DIR})
 if(NOT WIN32 OR MINGW)
   set(LTDL_LIBRARIES ${LTDL_LIBRARY})
+  if(CMAKE_DL_LIBS AND NOT BUILD_SHARED_LIBS)
+    set(LTDL_LIBRARIES "${LTDL_LIBRARIES};${CMAKE_DL_LIBS}")
+  endif()
 endif()
diff --git a/cmake/FindPANGOCAIRO.cmake b/cmake/FindPANGOCAIRO.cmake
index b92e5be..01c4cc7 100644
--- a/cmake/FindPANGOCAIRO.cmake
+++ b/cmake/FindPANGOCAIRO.cmake
@@ -1,6 +1,6 @@
 include(FindPackageHandleStandardArgs)
 
-if(WIN32)
+if(0)
   find_path(PANGOCAIRO_INCLUDE_DIR pango/pangocairo.h PATH_SUFFIXES pango-1.0)
   find_path(GLIB_INCLUDE_DIR glib.h PATH_SUFFIXES glib-2.0)
   find_path(GLIBCONFIG_INCLUDE_DIR glibconfig.h
@@ -78,7 +78,9 @@ if(WIN32)
   )
 else()
   find_package(PkgConfig)
-  pkg_check_modules(PANGOCAIRO pangocairo)
+  pkg_check_modules(PANGOCAIRO pangocairo IMPORTED_TARGET)
+  set(PANGOCAIRO_LIBRARIES PkgConfig::PANGOCAIRO)
+  set(PANGOCAIRO_LINK_LIBRARIES PkgConfig::PANGOCAIRO) # https://gitlab.kitware.com/cmake/cmake/-/issues/16154
 
   find_package_handle_standard_args(PANGOCAIRO DEFAULT_MSG
     PANGOCAIRO_INCLUDE_DIRS
diff --git a/cmd/dot/CMakeLists.txt b/cmd/dot/CMakeLists.txt
index d2ea435..3b068b0 100644
--- a/cmd/dot/CMakeLists.txt
+++ b/cmd/dot/CMakeLists.txt
@@ -146,7 +146,6 @@ endif()
 
 find_package(PkgConfig)
 if(PkgConfig_FOUND)
-  pkg_check_modules(GTS gts)
   if(GTS_FOUND)
     target_include_directories(dot SYSTEM PRIVATE ${GTS_INCLUDE_DIRS})
     target_link_libraries(dot PRIVATE ${GTS_LINK_LIBRARIES})
@@ -223,7 +222,7 @@ if(WEBP_FOUND)
 endif()
 
 find_library(SOCKET socket)
-if(SOCKET)
+if(0)
   target_link_libraries(dot PRIVATE ${SOCKET})
 endif()
 
diff --git a/lib/cdt/CMakeLists.txt b/lib/cdt/CMakeLists.txt
index 4057b57..bf1a913 100644
--- a/lib/cdt/CMakeLists.txt
+++ b/lib/cdt/CMakeLists.txt
@@ -68,3 +68,9 @@ set_target_properties(cdt PROPERTIES
   VERSION 5.0.0
   SOVERSION 5
 )
+
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads)
+if(TARGET Threads::Threads)
+  target_link_libraries(cdt Threads::Threads)
+endif()