new_build_system (#18)

Reviewed-on: #18

CMakeLists.txt

@@ -18,6 +18,8 @@ if(HAS_SETXATTR)
   add_definitions(-DHAS_SETXATTR)
 endif()
 
+include(cmake/hashes.cmake)
+
 include(cmake/versions.cmake)
 include(cmake/arch.cmake)
 include(cmake/os.cmake)
@@ -32,6 +34,9 @@ endif()
 
 if(PROJECT_IS_MINGW)
   add_definitions(-DPROJECT_IS_MINGW)
+  if(PROJECT_IS_MINGW_UNIX)
+    add_definitions(-DPROJECT_IS_MINGW_UNIX)
+  endif()
 endif()
 
 if(PROJECT_REQUIRE_ALPINE)
@@ -42,6 +47,13 @@ if(PROJECT_IS_ARM64)
   add_definitions(-DPROJECT_IS_ARM64)
 endif()
 
+if(PROJECT_IS_MINGW)
+  option(PROJECT_ENABLE_WIN32_LONG_PATH_NAMES "Enable path sizes of 32767 characters on Windows" OFF)
+  if(PROJECT_ENABLE_WIN32_LONG_PATH_NAMES)
+    add_definitions(-DPROJECT_ENABLE_WIN32_LONG_PATH_NAMES)
+  endif()
+endif()
+
 include(cmake/settings.cmake)
 
 include(cmake/flags.cmake)
@@ -127,7 +139,7 @@ endif()
       -DPROJECT_COPYRIGHT=${PROJECT_COPYRIGHT}
       -DPROJECT_DESC=${PROJECT_DESC}
       -DPROJECT_DIST_DIR=${PROJECT_DIST_DIR}
-      -DPROJECT_ENABLE_BACKWARD_CPP=${PROJECT_ENABLE_BACKWARD_CPP}
+      -DPROJECT_ENABLE_WIN32_LONG_PATH_NAMES=${PROJECT_ENABLE_WIN32_LONG_PATH_NAMES}
       -DPROJECT_ENABLE_BOOST=${PROJECT_ENABLE_BOOST}
       -DPROJECT_ENABLE_CPP_HTTPLIB=${PROJECT_ENABLE_CPP_HTTPLIB}
       -DPROJECT_ENABLE_CURL=${PROJECT_ENABLE_CURL}