Allow usage of mirrors for all dependencies

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