Graft build scripts and buffer code from QFengine

4 files changed, 70 insertions, 2 deletions

diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index e5cc4a7..7d94219 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -14,3 +14,11 @@ add_subdirectory(salad)
 add_subdirectory(spdlog)

 add_subdirectory(stb)

 add_subdirectory(thread_pool)

+

+find_package(Python3 REQUIRED COMPONENTS Interpreter)

+add_custom_target(thirdparty_txt ALL

+    COMMAND ${Python3_EXECUTABLE} "${CMAKE_CURRENT_LIST_DIR}/thirdparty.py" "${CMAKE_CURRENT_LIST_DIR}"

+    BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/thirdparty.txt"

+    DEPENDS "${CMAKE_CURRENT_LIST_DIR}/thirdparty.py"

+    WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")

+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/thirdparty.txt" DESTINATION ".")

diff --git a/deps/glfw/CMakeLists.txt b/deps/glfw/CMakeLists.txt
index 24afd53..d982998 100644
--- a/deps/glfw/CMakeLists.txt
+++ b/deps/glfw/CMakeLists.txt
@@ -8,5 +8,5 @@ if(NOT glfw3_FOUND)
     set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
     FetchContent_Declare(glfw GIT_REPOSITORY https://github.com/glfw/glfw.git GIT_TAG 3.4)
     FetchContent_MakeAvailable(glfw)
-    add_library(glfw3 ALIAS glfw)
+    #add_library(glfw3 ALIAS glfw)
 endif()
diff --git a/deps/imgui/CMakeLists.txt b/deps/imgui/CMakeLists.txt
index 8bb8142..b45e5ba 100644
--- a/deps/imgui/CMakeLists.txt
+++ b/deps/imgui/CMakeLists.txt
@@ -20,7 +20,7 @@ set_target_properties(imgui PROPERTIES FOLDER Dependencies)
 add_library(imgui_glfw STATIC
     "${CMAKE_CURRENT_LIST_DIR}/include/imgui_impl_glfw.h"
     "${CMAKE_CURRENT_LIST_DIR}/src/imgui_impl_glfw.cpp")
-target_link_libraries(imgui_glfw PUBLIC glfw3 imgui)
+target_link_libraries(imgui_glfw PUBLIC glfw imgui)
 set_target_properties(imgui_glfw PROPERTIES FOLDER Dependencies)
 
 add_library(imgui_opengl3 STATIC
diff --git a/deps/thirdparty.py b/deps/thirdparty.py
new file mode 100644
index 0000000..7171bf4
--- /dev/null
+++ b/deps/thirdparty.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+
+import os
+
+# It is quite annoying to have to write all the dependency notices
+# by hand, so this script goes through the dependency list and generates
+# a file with all the licenses automatically during the build process
+
+def read_description_file(subdirectory):
+    description_filename = "DESCRIPTION"
+    description_extensions = [ "", ".txt", ".md", ".rst" ]
+    for extension in description_extensions:
+        fill_path = os.path.join(subdirectory, description_filename + extension)
+        if os.path.exists(fill_path):
+            with open(fill_path, 'r', encoding='utf-8') as file:
+                return file.read().rstrip().splitlines()[0]
+    return None
+
+def read_license_file(subdirectory):
+    license_filenames = [ "LICENSE", "COPYING", "NOTICE" ]
+    license_extensions = [ "", ".txt", ".md", ".rst" ]
+    for filename in license_filenames:
+        for extension in license_extensions:
+            fill_path = os.path.join(subdirectory, filename + extension)
+            if os.path.exists(fill_path):
+                with open(fill_path, 'r', encoding='utf-8') as file:
+                    return file.read().rstrip()
+    return None
+
+def get_dependencies(directory):
+    dependencies = []
+    for subdirectory in os.listdir(directory):
+        subdirectory_path = os.path.join(directory, subdirectory)
+        if os.path.isdir(subdirectory_path):
+            license = read_license_file(subdirectory_path)
+            description = read_description_file(subdirectory_path)
+            if description and len(description) > 80:
+                description = description[:77] + "..."
+            if license:
+                dependencies.append((subdirectory, license, description))
+    return dependencies
+
+assert len(os.sys.argv) > 1, "Please provide the path to the dependencies directory."
+dependencies_dir = os.sys.argv[1]
+dependencies = get_dependencies(dependencies_dir)
+assert len(dependencies) > 0, "No licenses found in the dependencies directory."
+
+with open("thirdparty.txt", 'w', encoding='utf-8') as out_file:
+    out_file.write("QFengine uses third-party code for certain functions. All the\n")
+    out_file.write("license texts are included below using an automated script; this generated\n")
+    out_file.write("file is to be included in binary distributions of the project.\n\n")
+
+    for name, license, description in dependencies:
+        out_file.write(f"{'=' * 80}\n")
+        if description and len(description) > 0:
+            out_file.write(f"{name} - {description}\n")
+        else:
+            out_file.write(f"{name}\n")
+        out_file.write(f"{'=' * 80}\n")
+        out_file.write(f"{license}\n\n\n")