anchao commented on code in PR #15936:
URL: https://github.com/apache/nuttx/pull/15936#discussion_r1982685527
##########
libs/libnx/nxfonts/CMakeLists.txt:
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@@ -251,5 +251,12 @@ if(CONFIG_NXFONTS)
add_font(tom-thumb-4x6 43)
endif()
+ # Fix -Wshadow warnings for built-in bitops on x86_64
+
+ if(CONFIG_ARCH_X86_64)
+ list(APPEND CFLAGS -fno-builtin-ffs -fno-builtin-ffsl -fno-builtin-ffsll)
+ list(APPEND CFLAGS -fno-builtin-fls -fno-builtin-flsl -fno-builtin-flsll)
Review Comment:
Sounds good, but my concern is that the toolchain provides many of
runtime/builtin functions. If each of functions needs to be handled by command
line , wouldn't every architecture need to fill in these compilation options?do
we have any elegant way?
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