Allow usage of mirrors for all dependencies

3rdParty/assimp/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED ASSIMP_REPO)
+    set(ASSIMP_REPO https://github.com/assimp/assimp.git)
+endif ()
+
 FetchContent_Declare(
         assimp
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/assimp/assimp.git
+        GIT_REPOSITORY ${ASSIMP_REPO}
         GIT_TAG v5.0.1
         GIT_SHALLOW TRUE
 )

3rdParty/eigen/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED EIGEN_REPO)
+    set(EIGEN_REPO https://gitlab.com/libeigen/eigen.git)
+endif ()
+
 FetchContent_Declare(
         eigen
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
+        GIT_REPOSITORY ${EIGEN_REPO}
         GIT_TAG master
         GIT_SHALLOW TRUE
 )

3rdParty/ftxui/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED FTXUI_REPO)
+    set(FTXUI_REPO https://github.com/ArthurSonzogni/ftxui.git)
+endif ()
+
 FetchContent_Declare(
         ftxui
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui.git
+        GIT_REPOSITORY ${FTXUI_REPO}
         GIT_TAG v5.0.0
         GIT_SHALLOW TRUE
 )

3rdParty/glfw/CMakeLists.txt

@@ -1,10 +1,14 @@
 include(FetchContent)
 
+if(NOT DEFINED GLFW_REPO)
+    set(GLFW_REPO https://github.com/glfw/glfw.git)
+endif ()
+
 FetchContent_Declare(
         glfw
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/glfw/glfw.git
+        GIT_REPOSITORY ${GLFW_REPO}
-        GIT_TAG 3.3.2
+        GIT_TAG 3.3.8
         GIT_SHALLOW TRUE
 )
 set(GLFW_BUILD_EXAMPLES OFF)

3rdParty/glm/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED GLM_REPO)
+    set(GLM_REPO https://github.com/g-truc/glm.git)
+endif ()
+
 FetchContent_Declare(
         glm
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/g-truc/glm.git
+        GIT_REPOSITORY ${GLM_REPO}
         GIT_TAG 0.9.9.8
         GIT_SHALLOW TRUE
 )

3rdParty/imgui/CMakeLists.txt

@@ -1,11 +1,15 @@
 include(FetchContent)
 
+if(NOT DEFINED IMGUI_REPO)
+    set(IMGUI_REPO https://github.com/ocornut/imgui.git)
+endif ()
+
 project(imgui_internal VERSION 1.0 LANGUAGES C CXX)
 
 set(IMGUI_SRC_DIR ${CMAKE_BINARY_DIR}/3rdParty/imgui/imgui-src)
 
 FetchContent_Populate(imgui
-        GIT_REPOSITORY https://github.com/ocornut/imgui.git
+        GIT_REPOSITORY ${IMGUI_REPO}
         GIT_SHALLOW TRUE
         GIT_TAG v1.90-docking
         SOURCE_DIR ${IMGUI_SRC_DIR}

3rdParty/libarchive/CMakeLists.txt

@@ -2,8 +2,21 @@ cmake_minimum_required(VERSION 3.16)
 project(build_libarchive)
 include(ExternalProject)
 
+if(NOT DEFINED ZLIB_REPO)
+    set(ZLIB_REPO https://github.com/madler/zlib.git)
+endif ()
+if(NOT DEFINED ZSTD_REPO)
+    set(ZSTD_REPO https://github.com/facebook/zstd)
+endif ()
+if(NOT DEFINED LZ4_REPO)
+    set(LZ4_REPO https://github.com/lz4/lz4)
+endif ()
+if(NOT DEFINED LIBARCHIVE_REPO)
+    set(LIBARCHIVE_REPO https://github.com/libarchive/libarchive.git)
+endif ()
+
 ExternalProject_Add(zlib
-        GIT_REPOSITORY https://github.com/madler/zlib.git
+        GIT_REPOSITORY {ZLIB_REPO}
         GIT_TAG v1.2.11
         GIT_SHALLOW TRUE
         SOURCE_DIR zlib
@@ -17,7 +30,7 @@ ExternalProject_Add(zlib
         )
 
 ExternalProject_Add(zstd
-        GIT_REPOSITORY  https://github.com/facebook/zstd
+        GIT_REPOSITORY ${ZSTD_REPO}
         GIT_TAG v1.5.1
         GIT_SHALLOW TRUE
         SOURCE_DIR zstd
@@ -33,7 +46,7 @@ ExternalProject_Add(zstd
         )
 
 ExternalProject_Add(lz4
-        GIT_REPOSITORY  https://github.com/lz4/lz4
+        GIT_REPOSITORY ${LZ4_REPO}
         GIT_TAG v1.9.3
         GIT_SHALLOW TRUE
         SOURCE_DIR lz4
@@ -50,7 +63,7 @@ ExternalProject_Add(lz4
 ExternalProject_Add(
         libarchive
         DEPENDS zlib zstd lz4
-        GIT_REPOSITORY https://github.com/libarchive/libarchive.git
+        GIT_REPOSITORY ${LIBARCHIVE_REPO}
         GIT_TAG v3.7.0
         GIT_SHALLOW TRUE
         SOURCE_DIR libarchive

3rdParty/libstud-uuid/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED LIBSTUD_REPO)
+    set(LIBSTUD_REPO https://github.com/GeorgH93/libstud-uuid.git)
+endif ()
+
 FetchContent_Declare(
         libstud-uuid
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/GeorgH93/libstud-uuid.git
+        GIT_REPOSITORY ${LIBSTUD_REPO}
         GIT_SHALLOW TRUE
 )
 

3rdParty/magic-enum/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED MAGICENUM_REPO)
+    set(MAGICENUM_REPO https://github.com/Neargye/magic_enum.git)
+endif ()
+
 FetchContent_Declare(
         magic_enum
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/Neargye/magic_enum.git
+        GIT_REPOSITORY ${MAGICENUM_REPO}
         GIT_TAG v0.9.3
         GIT_SHALLOW TRUE
 )

3rdParty/opencv/CMakeLists.txt

@@ -1,10 +1,15 @@
 Find_Package(OpenCV)
+
+if(NOT DEFINED OPENCV_REPO)
+    set(OPENCV_REPO https://github.com/opencv/opencv.git)
+endif ()
+
 if (NOT OpenCV_FOUND)
     FetchContent_Declare(
             opencv
             EXCLUDE_FROM_ALL
-            GIT_REPOSITORY https://github.com/opencv/opencv.git
+            GIT_REPOSITORY ${OPENCV_REPO}
-            GIT_TAG v4.5.0
+            GIT_TAG v4.8.1
             GIT_SHALLOW TRUE
     )
     FetchContent_MakeAvailable(opencv)

3rdParty/pugixml/CMakeLists.txt

@@ -1,10 +1,14 @@
 include(FetchContent)
 
+if(NOT DEFINED PUGIXML_REPO)
+    set(PUGIXML_REPO https://github.com/zeux/pugixml.git)
+endif ()
+
 FetchContent_Declare(
         pugixml
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/zeux/pugixml.git
+        GIT_REPOSITORY ${PUGIXML_REPO}
-        GIT_TAG v1.11.4
+        GIT_TAG v1.14
         GIT_SHALLOW TRUE
 )
 set(BUILD_SHARED_LIBS OFF)

3rdParty/spdlog/CMakeLists.txt

@@ -1,10 +1,14 @@
 include(FetchContent)
 
+if(NOT DEFINED SPDLOG_REPO)
+    set(SPDLOG_REPO https://github.com/gabime/spdlog.git)
+endif ()
+
 FetchContent_Declare(
         spdlog
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/gabime/spdlog.git
+        GIT_REPOSITORY ${SPDLOG_REPO}
-        GIT_TAG v1.8.1
+        GIT_TAG v1.10.0
         GIT_SHALLOW TRUE
 )
 FetchContent_MakeAvailable(spdlog)

3rdParty/stb/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED STB_REPO)
+    set(STB_REPO https://github.com/nothings/stb.git)
+endif ()
+
 FetchContent_Declare(
         stb
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/nothings/stb.git
+        GIT_REPOSITORY ${STB_REPO}
         GIT_SHALLOW TRUE
 )
 FetchContent_MakeAvailable(stb)

3rdParty/tracy/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED TRACY_REPO)
+    set(TRACY_REPO https://github.com/wolfpld/tracy.git)
+endif ()
+
 FetchContent_Declare (
         tracy
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/wolfpld/tracy.git
+        GIT_REPOSITORY ${TRACY_REPO}
         GIT_TAG master
         GIT_SHALLOW TRUE
         GIT_PROGRESS TRUE

3rdParty/utfcpp/CMakeLists.txt

@@ -1,10 +1,14 @@
 include(FetchContent)
 
+if(NOT DEFINED UTFCPP_REPO)
+    set(UTFCPP_REPO https://github.com/nemtrif/utfcpp.git)
+endif ()
+
 FetchContent_Declare(
         utfcpp
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/nemtrif/utfcpp.git
+        GIT_REPOSITORY ${UTFCPP_REPO}
-        GIT_TAG v3.1.2
+        GIT_TAG v4.0.1
         GIT_SHALLOW TRUE
 )
 set(UTF8_TESTS OFF)

3rdParty/yaml-cpp/CMakeLists.txt

@@ -1,9 +1,13 @@
 include(FetchContent)
 
+if(NOT DEFINED YAMLCPP_REPO)
+    set(YAMLCPP_REPO https://github.com/jbeder/yaml-cpp.git)
+endif ()
+
 FetchContent_Declare(
         yaml-cpp
         EXCLUDE_FROM_ALL
-        GIT_REPOSITORY https://github.com/jbeder/yaml-cpp.git
+        GIT_REPOSITORY ${YAMLCPP_REPO}
         GIT_TAG 0.8.0
         GIT_SHALLOW TRUE
 )

cmake/VarsFromFile.cmake

@@ -0,0 +1,13 @@
+function(VarsFromFile filename)
+    file(STRINGS ${filename} ConfigContents)
+    foreach(NameAndValue ${ConfigContents})
+        # Strip leading spaces
+        string(REGEX REPLACE "^[ ]+" "" NameAndValue ${NameAndValue})
+        # Find variable name
+        string(REGEX MATCH "^[^=]+" Name ${NameAndValue})
+        # Find the value
+        string(REPLACE "${Name}=" "" Value ${NameAndValue})
+        # Set the variable
+        set(${Name} "${Value}" PARENT_SCOPE)
+    endforeach()
+endfunction(VarsFromFile)