BUILD: Refactor 7zlib (#10222)

* relocate 7z files

* fix MSVC build

* fix cmake build

3rdparty/CMakeLists.txt

@@ -23,56 +23,7 @@ target_link_libraries(3rdparty_zlib INTERFACE ${ZLIB_LIBRARY})
 target_include_directories(3rdparty_zlib INTERFACE ${ZLIB_INCLUDE_DIR})
 
 # 7z sdk
-if(WIN32)
-	add_library(3rdparty_7z STATIC EXCLUDE_FROM_ALL
-		7z/Sha256.c
-		7z/Ppmd7Dec.c
-		7z/XzDec.c
-		7z/XzEnc.c
-		7z/Lzma2Dec.c
-		7z/XzCrc64.c
-		7z/DllSecur.c
-		7z/Lzma2DecMt.c
-		7z/BraIA64.c
-		7z/7zFile.c
-		7z/7zStream.c
-		7z/Lzma86Enc.c
-		7z/Threads.c
-		7z/7zAlloc.c
-		7z/LzmaEnc.c
-		7z/MtCoder.c
-		7z/Lzma86Dec.c
-		7z/Sort.c
-		7z/LzFindMt.c
-		7z/7zDec.c
-		7z/Bcj2.c
-		7z/Ppmd7.c
-		7z/Bra86.c
-		7z/Bcj2Enc.c
-		7z/7zBuf.c
-		7z/Aes.c
-		7z/AesOpt.c
-		7z/XzCrc64Opt.c
-		7z/7zArcIn.c
-		7z/Lzma2Enc.c
-		7z/Bra.c
-		7z/7zCrcOpt.c
-		7z/7zBuf2.c
-		7z/LzFind.c
-		7z/Ppmd7Enc.c
-		7z/CpuArch.c
-		7z/Delta.c
-		7z/XzIn.c
-		7z/Alloc.c
-		7z/Xz.c
-		7z/LzmaDec.c
-		7z/LzmaLib.c
-		7z/7zCrc.c
-		7z/MtDec.c)
-	target_include_directories(3rdparty_7z INTERFACE 7z)
-else()
-	add_library(3rdparty_7z INTERFACE)
-endif()
+add_subdirectory(7z EXCLUDE_FROM_ALL)
 
 add_library(3rdparty_flatbuffers INTERFACE)
 target_include_directories(3rdparty_flatbuffers INTERFACE flatbuffers/include)