clean up.

programming/library/libdispatch/files/avoid-libkqueue.patch

@@ -0,0 +1,11 @@
+--- tests/dispatch_test.c.orig
++++ tests/dispatch_test.c
+@@ -30,7 +30,7 @@
+ #include <stdio.h>
+ #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+ #include <unistd.h>
+-#if __has_include(<sys/event.h>)
++#if __has_include(<sys/event.h>) && !defined(__linux__)
+ #define HAS_SYS_EVENT_H 1
+ #include <sys/event.h>
+ #else

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>)
+