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3ds: Various fixes, mostly for compiler warnings

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- Move all devkitpro includes before the Rockbox ones so that the macros which are both conflicting and unused can be undef'd
- Remove unused result variables
- Exclude an unused function from being compiled for this target
- Fix hex number formatting
- Fix the return value of dummy functions
- Fix macro redefinition in the plugins keypad config
- Remove duplicate button mapping
- Turn off -Wchar-subscripts as it's already handled in Rockbox's ctype.h

Change-Id: I3f5a3d492c585f233277a380feaea5fe877a044f
This commit is contained in:
Vencislav Atanasov 2026-03-12 17:41:13 +02:00 • committed by Solomon Peachy
parent 6246e9b4d3
commit a77c5d2219
19 changed files with 93 additions and 60 deletions
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2
tools/configure vendored
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@ -939,7 +939,7 @@ devkitarmcc () {
GCCOPTS=`echo $GCCOPTS | sed -e s/\ -Os/\ -Og/`
fi
GCCOPTS="$GCCOPTS -fno-builtin -g -Wno-unused-result"
GCCOPTS="$GCCOPTS -fno-builtin -g -Wno-unused-result -Wno-char-subscripts"
GCCOPTS="$GCCOPTS -I$DEVKITPRO/libctru/include -I$DEVKITPRO/portlibs/3ds/include"
GCCOPTS="$GCCOPTS -mword-relocations -ffunction-sections -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft"
GCCOPTS="$GCCOPTS -D_GNU_SOURCE=1 -D_REENTRANT -masm-syntax-unified"