Removing the .ARM.exidx section instead of patching

Author: iartemov-ledger

tools/build_newlib.sh

@@ -46,14 +46,6 @@ apt install -y --no-install-recommends texinfo
 # Get the latest fixed version
 git clone --depth=1 --single-branch --branch newlib-4.5.0 https://sourceware.org/git/newlib-cygwin.git "${SRC}"
 
-# Apply patch to fix "undefined symbol: __aeabi_unwind_cpp_pr0 referenced by libc_a-setjmp.o" issue
-PATCH_NAME="cantunwind.patch"
-SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
-cp "${SCRIPT_DIR}/${PATCH_NAME}" "${SRC}"
-cd "${SRC}"
-git apply "${PATCH_NAME}"
-cd ..
-
 # Build configuration
 mkdir -p "${BUILD}" "${INSTALL}"
 cd "${BUILD}"
@@ -86,6 +78,9 @@ CFLAGS_FOR_TARGET="-ffunction-sections -fdata-sections -fshort-wchar -DPREFER_SI
 make "-j$(nproc)"
 make install
 
+# Removing the .ARM.exidx section
+arm-none-eabi-objcopy -R .ARM.exidx "${INSTALL}/arm-none-eabi/lib/libc.a"
+
 # Stripping debug symbols
 arm-none-eabi-strip --strip-debug "${INSTALL}/arm-none-eabi/lib/libc.a"
 arm-none-eabi-strip --strip-debug "${INSTALL}/arm-none-eabi/lib/libm.a"