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Optimise RA builds #4

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Merged
cobaltgit merged 2 commits into from
Mar 29, 2026
Merged

Optimise RA builds #4

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cd351f3
build with LTO and omit framepointer, also gc-sections
cobaltgit Mar 29, 2026
a6028d6
merge with main
cobaltgit Mar 29, 2026
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4 changes: 2 additions & 2 deletions build-a30.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -37,9 +37,9 @@ export STRIP="${CROSS}-strip"
export PKG_CONFIG_PATH="$SYSROOT/usr/lib/pkgconfig"
export PKG_CONFIG_LIBDIR="$SYSROOT/usr/lib/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="$SYSROOT"
export CFLAGS="-O3 --sysroot=$SYSROOT -march=armv7-a -mfpu=neon-vfpv4 -mfloat-abi=hard -DHAVE_FILTERS_BUILTIN"
export CFLAGS="-O3 --sysroot=$SYSROOT -mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard -fomit-frame-pointer -ffunction-sections -fdata-sections -flto -DHAVE_FILTERS_BUILTIN"
export CXXFLAGS="$CFLAGS"
export LDFLAGS="--sysroot=$SYSROOT -L$SYSROOT/usr/lib -static-libstdc++"
export LDFLAGS="--sysroot=$SYSROOT -L$SYSROOT/usr/lib -Wl,--gc-sections -static-libstdc++ -flto"

# Remove fontconfig from sysroot so configure won't auto-detect it
# (not present on the A30 device, and drags in libexpat/libpng16)
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11 changes: 9 additions & 2 deletions build-pixel2.sh
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Expand Up @@ -34,8 +34,15 @@ if [ -d /patches/pixel2 ] && ls /patches/pixel2/*.patch 1>/dev/null 2>&1; then
done
fi

# Configure — Hario's exact flags for Pixel2 (RK3566 / Mali-G52)
CFLAGS="-Ofast -march=armv8-a -mtune=cortex-a35 -fomit-frame-pointer -DNDEBUG -DHAVE_FILTERS_BUILTIN" \
# Configure — Hario's exact flags for Pixel2 (RK3566 / Mali-G52

export CFLAGS="-Ofast -march=armv8-a -mtune=cortex-a35 -ffunction-sections -fdata-sections -fomit-frame-pointer -flto -DNDEBUG -DHAVE_FILTERS_BUILTIN"
export CXXFLAGS="$CFLAGS"
export LDFLAGS="$LDFLAGS -Wl,--gc-sections -flto"

CFLAGS="$CFLAGS" \
CXXFLAGS="$CXXFLAGS" \
LDFLAGS="$LDFLAGS" \
./configure --disable-qt \
--disable-discord \
--disable-neon \
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10 changes: 7 additions & 3 deletions build.sh
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Expand Up @@ -30,9 +30,16 @@ export STRIP=aarch64-linux-gnu-strip
export PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig
export PKG_CONFIG_LIBDIR=/usr/lib/aarch64-linux-gnu/pkgconfig

export CFLAGS="$CFLAGS -O3 -flto -ffunction-sections -fdata-sections -DHAVE_SCREEN_ORIENTATION -DGEOMETRY_MENU_ROTATION -D_GNU_SOURCE -DHAVE_FILTERS_BUILTIN"
export CXXFLAGS="$CXXFLAGS -O3 -ffunction-sections -fdata-sections -flto -DHAVE_SCREEN_ORIENTATION -DGEOMETRY_MENU_ROTATION -D_GNU_SOURCE -DHAVE_FILTERS_BUILTIN"
export LDFLAGS="$LDFLAGS -Wl,--gc-sections -flto"

# Configure for universal aarch64 binary
# Uses SDL2 + EGL + GLES + Vulkan. GLES works on all GPUs; Vulkan is available
# on devices with Vulkan drivers (e.g. Mali G57 on Smart Pro S).
CFLAGS="$CFLAGS" \
CXXFLAGS="$CXXFLAGS" \
LDFLAGS="$LDFLAGS" \
./configure --host=aarch64-linux-gnu \
--disable-x11 \
--disable-wayland \
Expand All @@ -57,9 +64,6 @@ export PKG_CONFIG_LIBDIR=/usr/lib/aarch64-linux-gnu/pkgconfig
--enable-builtinzlib \
--enable-zlib

export CFLAGS="$CFLAGS -O3 -DHAVE_SCREEN_ORIENTATION -DGEOMETRY_MENU_ROTATION -D_GNU_SOURCE -DHAVE_FILTERS_BUILTIN"
export CXXFLAGS="$CXXFLAGS -O3 -DHAVE_SCREEN_ORIENTATION -DGEOMETRY_MENU_ROTATION -D_GNU_SOURCE -DHAVE_FILTERS_BUILTIN"

# Build
make HAVE_STATIC_VIDEO_FILTERS=1 HAVE_STATIC_AUDIO_FILTERS=1 -j$(nproc)

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