From cd351f33c717c617ed7b8fc5f50f30ac4068371f Mon Sep 17 00:00:00 2001
From: cobaltgit <cobaltsecuremail312@proton.me>
Date: Sun, 29 Mar 2026 21:47:32 +0100
Subject: [PATCH] build with LTO and omit framepointer, also gc-sections

---
 build-a30.sh    |  4 ++--
 build-pixel2.sh | 11 +++++++++--
 build.sh        | 10 +++++++---
 3 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/build-a30.sh b/build-a30.sh
index 4bb5e8b..5a925c0 100644
--- a/build-a30.sh
+++ b/build-a30.sh
@@ -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)
diff --git a/build-pixel2.sh b/build-pixel2.sh
index 4aa83dd..83db886 100644
--- a/build-pixel2.sh
+++ b/build-pixel2.sh
@@ -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 \
diff --git a/build.sh b/build.sh
index 8912087..96028f5 100644
--- a/build.sh
+++ b/build.sh
@@ -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 \
@@ -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)