vcpkg/ports/libwebp/0001-build-fixes.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 499ddce..895fda9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,6 +159,12 @@ add_definitions(-DHAVE_CONFIG_H)
 if(MSVC)
   # avoid security warnings for e.g., fopen() used in the examples.
   add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+  add_definitions(-DWEBP_HAVE_JUST_SDL_H)
+  if(BUILD_SHARED_LIBS)
+    add_definitions(-DWEBP_EXTERN=__declspec\(dllexport\))
+  else()
+    add_definitions(-DFREEGLUT_STATIC)
+  endif()
 else()
   add_definitions(-Wall)
 endif()
@@ -342,19 +346,23 @@ if(WEBP_BUILD_ANIM_UTILS
                     "example_util_[^ ]*")
   list(APPEND EXAMPLEUTIL_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/examples/stopwatch.h)
   add_library(exampleutil ${EXAMPLEUTIL_SRCS})
+  set_target_properties(exampleutil PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
   target_include_directories(
     exampleutil
     PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
+  target_link_libraries(exampleutil imageioutil)
 
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEIOUTILS_SRCS"
                     "imageio_util_[^ ]*")
   add_library(imageioutil ${IMAGEIOUTILS_SRCS})
+  set_target_properties(imageioutil PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
   target_link_libraries(imageioutil webp)
 
   # Image-decoding utility library.
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEDEC_SRCS"
                     "imagedec_[^ ]*")
   add_library(imagedec ${IMAGEDEC_SRCS})
+  set_target_properties(imagedec PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
   target_link_libraries(imagedec
                         imageioutil
                         webpdemux
@@ -365,7 +373,8 @@ if(WEBP_BUILD_ANIM_UTILS
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEENC_SRCS"
                     "imageenc_[^ ]*")
   add_library(imageenc ${IMAGEENC_SRCS})
-  target_link_libraries(imageenc webp)
+  set_target_properties(imageenc PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+  target_link_libraries(imageenc imageioutil webp)
 
   set_property(TARGET exampleutil
                       imageioutil
@@ -380,7 +389,7 @@ if(WEBP_BUILD_DWEBP)
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "DWEBP_SRCS" "dwebp")
   add_executable(dwebp ${DWEBP_SRCS})
   target_link_libraries(dwebp exampleutil imagedec imageenc)
-  target_include_directories(dwebp PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(dwebp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS dwebp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
@@ -389,13 +398,14 @@ if(WEBP_BUILD_CWEBP)
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "CWEBP_SRCS" "cwebp")
   add_executable(cwebp ${CWEBP_SRCS})
   target_link_libraries(cwebp exampleutil imagedec webp)
-  target_include_directories(cwebp PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(cwebp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS cwebp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
 if(WEBP_BUILD_GIF2WEBP OR WEBP_BUILD_IMG2WEBP)
   parse_makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/mux "WEBP_MUX_SRCS" "")
   add_library(libwebpmux ${WEBP_MUX_SRCS})
+  set_target_properties(libwebpmux PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
   target_link_libraries(libwebpmux webp)
   target_include_directories(libwebpmux
                              PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
@@ -411,7 +421,7 @@ if(WEBP_BUILD_GIF2WEBP OR WEBP_BUILD_IMG2WEBP)
                                    "${CMAKE_CURRENT_SOURCE_DIR}/src/webp/mux.h;\
 ${CMAKE_CURRENT_SOURCE_DIR}/src/webp/mux_types.h;\
 ${CMAKE_CURRENT_SOURCE_DIR}/src/webp/types.h;")
-  set_target_properties(libwebpmux PROPERTIES OUTPUT_NAME webpmux)
+  #set_target_properties(libwebpmux PROPERTIES OUTPUT_NAME webpmux)
   list(APPEND INSTALLED_LIBRARIES libwebpmux)
   configure_pkg_config("src/mux/libwebpmux.pc")
 endif()
@@ -428,7 +438,7 @@ if(WEBP_BUILD_GIF2WEBP)
                         webp
                         libwebpmux
                         ${WEBP_DEP_GIF_LIBRARIES})
-  target_include_directories(gif2webp PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(gif2webp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS gif2webp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
@@ -444,7 +454,7 @@ if(WEBP_BUILD_IMG2WEBP)
                         imageioutil
                         webp
                         libwebpmux)
-  target_include_directories(img2webp PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(img2webp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS img2webp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
@@ -464,6 +474,7 @@ if(WEBP_BUILD_VWEBP)
                           webpdemux)
     target_include_directories(vwebp
                                PRIVATE GLUT::GLUT
+                                       ${CMAKE_CURRENT_SOURCE_DIR}/src
                                        ${CMAKE_CURRENT_BINARY_DIR}/src
                                        ${OPENGL_INCLUDE_DIR})
     install(TARGETS vwebp RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
@@ -483,7 +494,7 @@ if(WEBP_BUILD_WEBPINFO)
                     "webpinfo")
   add_executable(webpinfo ${WEBPINFO_SRCS})
   target_link_libraries(webpinfo exampleutil imageioutil)
-  target_include_directories(webpinfo PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(webpinfo PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS webpinfo RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
@@ -493,7 +504,7 @@ if(WEBP_BUILD_WEBPMUX)
                     "webpmux")
   add_executable(webpmux ${WEBPMUX_SRCS})
   target_link_libraries(webpmux exampleutil imageioutil libwebpmux webp)
-  target_include_directories(webpmux PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(webpmux PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
   install(TARGETS webpmux RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 endif()
 
@@ -540,7 +551,7 @@ if(WEBP_BUILD_WEBP_JS)
   # JavaScript version
   add_executable(webp_js ${CMAKE_CURRENT_SOURCE_DIR}/extras/webp_to_sdl.c)
   target_link_libraries(webp_js webpdecoder SDL)
-  target_include_directories(webp_js PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
+  target_include_directories(webp_js PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
   set(WEBP_HAVE_SDL 1)
   set_target_properties(
     webp_js
@@ -553,7 +564,7 @@ if(WEBP_BUILD_WEBP_JS)
   # WASM version
   add_executable(webp_wasm ${CMAKE_CURRENT_SOURCE_DIR}/extras/webp_to_sdl.c)
   target_link_libraries(webp_wasm webpdecoder SDL)
-  target_include_directories(webp_wasm PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
+  target_include_directories(webp_wasm PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
   set_target_properties(
     webp_wasm
     PROPERTIES LINK_FLAGS "-s WASM=1 -s 'BINARYEN_METHOD=\"native-wasm\"' \
@@ -579,7 +590,7 @@ if(WEBP_BUILD_ANIM_UTILS)
                         libwebpmux
                         webpdemux
                         ${WEBP_DEP_GIF_LIBRARIES})
-  target_include_directories(anim_diff PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(anim_diff PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
 
   # anim_dump
   include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS} ${WEBP_DEP_GIF_INCLUDE_DIRS})
@@ -595,7 +606,7 @@ if(WEBP_BUILD_ANIM_UTILS)
                         libwebpmux
                         webpdemux
                         ${WEBP_DEP_GIF_LIBRARIES})
-  target_include_directories(anim_dump PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/src)
+  target_include_directories(anim_dump PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/src)
 endif()
 
 # Install the different headers and libraries.