net-libs/ixwebsocket: Add new package

Package-Manager: Portage-3.0.20, Repoman-3.0.3
Signed-off-by: Adrian Schollmeyer <nex+b-g-o@nexadn.de>

net-libs/ixwebsocket/files/ixwebsocket-11.2.8-use-gnuinstalldirs.patch

@@ -0,0 +1,34 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 77d2f6b..4c64106 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -238,23 +238,25 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+     target_compile_options(ixwebsocket PRIVATE /MP)
+ endif()
+ 
++include(GNUInstallDirs)
++
+ target_include_directories(ixwebsocket PUBLIC
+   $<BUILD_INTERFACE:${IXWEBSOCKET_INCLUDE_DIRS}/>
+-  $<INSTALL_INTERFACE:include/ixwebsocket>
++  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/ixwebsocket>
+ )
+ 
+ set_target_properties(ixwebsocket PROPERTIES PUBLIC_HEADER "${IXWEBSOCKET_HEADERS}")
+ 
+ install(TARGETS ixwebsocket
+         EXPORT ixwebsocket
+-        ARCHIVE DESTINATION lib
+-        PUBLIC_HEADER DESTINATION include/ixwebsocket/
++        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
++        PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/ixwebsocket/
+ )
+ 
+ install(EXPORT ixwebsocket
+         FILE ixwebsocket-config.cmake
+         NAMESPACE ixwebsocket::
+-        DESTINATION lib/cmake/ixwebsocket)
++        DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ixwebsocket)
+ 
+ if (USE_WS OR USE_TEST)
+   include(FetchContent)