clean up.

programming/library/libdispatch/files/remove-werror.patch

@@ -0,0 +1,10 @@
+--- cmake/modules/DispatchCompilerWarnings.cmake.orig	2020-05-12 13:13:59.619689872 +0300
++++ cmake/modules/DispatchCompilerWarnings.cmake	2020-05-12 13:13:35.216171428 +0300
+@@ -2,7 +2,6 @@
+ if("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC")
+   # TODO: someone needs to provide the msvc equivalent warning flags
+ else()
+-  add_compile_options($<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:-Werror>)
+   add_compile_options($<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:-Wall>)
+   add_compile_options($<$<OR:$<COMPILE_LANGUAGE:C>,$<COMPILE_LANGUAGE:CXX>>:-Wextra>)
+