vcpkg/ports/nanogui/fix-cmakelists.patch

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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c59277..3fe6f5d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,11 +11,7 @@ if (POLICY CMP0058)
cmake_policy(SET CMP0058 NEW)
endif()
-if (NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw/src")
- message(FATAL_ERROR "The NanoGUI dependency repositories (GLFW, etc.) are missing! "
- "You probably did not clone the project with --recursive. It is possible to recover "
- "by calling \"git submodule update --init --recursive\"")
-endif()
+
if (WIN32)
set(NANOGUI_USE_GLAD_DEFAULT ON)
@@ -78,13 +74,11 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
endif()
-add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw" "ext_build/glfw")
# Two targets have now been defined: `glfw_objects`, which will be merged into
# NanoGUI at the end, and `glfw`. The `glfw` target is the library itself
# (e.g., libglfw.so), but can be skipped as we do not need to link against it
# (because we merge `glfw_objects` into NanoGUI). Skipping is required for
# XCode, but preferable for all build systems (reduces build artifacts).
-set_target_properties(glfw PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
# Python support: add NANOGUI_PYTHON flag to all targets
if (NANOGUI_BUILD_PYTHON)
@@ -310,7 +304,6 @@ add_definitions(${NANOGUI_EXTRA_DEFS})
# Compile main NanoGUI library
add_library(nanogui-obj OBJECT
# Merge NanoVG into the NanoGUI library
- ext/nanovg/src/nanovg.c
# Merge GLAD into the NanoGUI library (only if needed)
${LIBNANOGUI_EXTRA_SOURCE}
# Fonts etc.
@@ -352,6 +345,11 @@ add_library(nanogui-obj OBJECT
src/serializer.cpp
)
+find_path(EIGEN_INCLUDE_DIR Eigen/Core)
+target_include_directories(nanogui-obj PRIVATE ${EIGEN_INCLUDE_DIR})
+find_path(STB_INCLUDE_DIR stb_image.h)
+target_include_directories(nanogui-obj PRIVATE ${STB_INCLUDE_DIR})
+
# XCode has a serious bug where the XCode project produces an invalid target
# that will not get linked if it consists only of objects from object libraries,
# it will not generate any products (executables, libraries). The only work
@@ -363,15 +361,18 @@ if (CMAKE_GENERATOR STREQUAL Xcode)
add_library(nanogui ${NANOGUI_LIBRARY_TYPE}
${XCODE_DUMMY}
$<TARGET_OBJECTS:nanogui-obj>
- $<TARGET_OBJECTS:glfw_objects>
)
else()
add_library(nanogui ${NANOGUI_LIBRARY_TYPE}
$<TARGET_OBJECTS:nanogui-obj>
- $<TARGET_OBJECTS:glfw_objects>
)
endif()
+find_package(nanovg CONFIG REQUIRED)
+find_package(Eigen3 CONFIG REQUIRED)
+find_package(glfw3 CONFIG REQUIRED)
+target_link_libraries(nanogui glfw nanovg::nanovg Eigen3::Eigen)
+
if (NANOGUI_BUILD_SHARED)
set_property(TARGET nanogui-obj PROPERTY POSITION_INDEPENDENT_CODE ON)
endif()