fix susfs patch

build.sh

@@ -27,11 +27,18 @@ set_vars() {
   BASEDIR=$(realpath "$(dirname -- "$(realpath -- "${BASH_SOURCE[0]}")")/..")
 
   # Build toolchain locations
+  CLANGDIR="${BASEDIR}/prebuilts/clang/host/linux-x86/clang-r547379"
   GCCDIR="${BASEDIR}/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9"
   GCCDIR32="${BASEDIR}/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.9"
-  CLANGDIR="${BASEDIR}/prebuilts/clang/host/linux-x86/clang-r547379"
   KERNELBUILDTOOLS="${BASEDIR}/prebuilts/kernel-build-tools/linux-x86"
 
+  # Array for all of the custom paths introduced by prebuilts
+  PREBUILTS_PATH=(
+    "${CLANGDIR}/bin"
+    "${GCCDIR}/bin"
+    "${KERNELBUILDTOOLS}/bin"
+  )
+
   # Common options used for `make`, particularly for cross-compile
   MAKEOPTS=(
     O="${BASEDIR}/work"
@@ -44,6 +51,7 @@ set_vars() {
     CLANG_TRIPLE=aarch64-linux-gnu-
   )
 
+
   # Environment tools that are already somewhere in the project so we'll use them instead of adding extra dependencies
   BUSYBOX="${BASEDIR}/prebuilts/magisk/lib/x86_64/libbusybox.so"
   MAGISKBOOT="${BASEDIR}/prebuilts/magisk/lib/x86_64/libmagiskboot.so"
@@ -102,7 +110,8 @@ add_susfs() {
 
   cp "${BASEDIR}/external/susfs4ksu/kernel_patches/fs/"* "fs/" || { echo "Failed to copy fs patches"; exit 1; }
   cp "${BASEDIR}/external/susfs4ksu/kernel_patches/include/linux/"* "include/linux/" || { echo "Failed to copy linux patches"; exit 1; }
-  patch --fuzz=3 -p1 < "${BASEDIR}/external/susfs4ksu/kernel_patches/50_add_susfs_in_gki-android15-6.6.patch" || { echo "Failed to patch kernel source for susfs"; exit 1; }
+  # Patch modified so that it works within a constrained environment
+  patch -p1 < "${BASEDIR}/meta/50_add_susfs_in_gki-android15-6.6.patch" || { echo "Failed to patch kernel source for susfs"; exit 1; }
 
   popd > /dev/null
 }