diff --git a/tools/build.bat b/tools/build.bat
index 5402235..b98b23e 100644
--- a/tools/build.bat
+++ b/tools/build.bat
@@ -46,8 +46,8 @@ wsl aarch64-linux-gnu-gcc-12 -static -Wall -Wextra -Wconversion -Wsign-conversio
 
 echo --------------arm-v6  32 bit----------------
 REM  sh ../copapy/tools/cross_compiler_unix/packobjs.sh arm-none-eabi-gcc arm-none-eabi-ld ../copapy/build/musl/musl_objects_armv6.o "-march=armv6 -mfpu=vfp -marm"
-wsl arm-none-eabi-gcc -fno-pic -ffunction-sections -march=armv6 -mfpu=vfp -marm -c build/stencils/stencils.c -O3 -o build/stencils/stencils.o
-wsl arm-none-eabi-ld -r build/stencils/stencils.o build/musl/musl_objects_armv6.o -o src/copapy/obj/stencils_armv6_O3.o
+wsl arm-none-eabi-gcc -fno-pic -ffunction-sections -march=armv6 -mfpu=vfp -mfloat-abi=hard -marm -c build/stencils/stencils.c -O3 -o build/stencils/stencils.o
+wsl arm-none-eabi-ld -r build/stencils/stencils.o build/musl/musl_objects_armv6.o $(arm-none-eabi-gcc -print-libgcc-file-name) -o src/copapy/obj/stencils_armv6_O3.o
 wsl arm-none-eabi-objdump -d -x src/copapy/obj/stencils_armv6_O3.o > build/stencils/stencils_armv6_O3.asm
 echo ------------------------------
 REM echo - Build runner
@@ -57,9 +57,11 @@ REM wsl arm-linux-gnueabihf-gcc -march=armv6 -mfpu=vfp -marm -static -Wall -Wext
 
 echo --------------arm-v7  32 bit----------------
 REM  sh ../copapy/tools/cross_compiler_unix/packobjs.sh arm-none-eabi-gcc arm-none-eabi-ld ../copapy/build/musl/musl_objects_armv7.o "-march=armv7-a -mfpu=neon-vfpv3 -marm"
-wsl arm-none-eabi-gcc -fno-pic -ffunction-sections -march=armv7-a -mfpu=neon-vfpv3 -marm -c build/stencils/stencils.c -O3 -o build/stencils/stencils.o
-wsl arm-none-eabi-ld -r build/stencils/stencils.o build/musl/musl_objects_armv7.o -o src/copapy/obj/stencils_armv7_O3.o
+wsl arm-none-eabi-gcc -fno-pic -ffunction-sections -march=armv7-a -mfpu=neon-vfpv3 -mfloat-abi=hard -marm -c build/stencils/stencils.c -O3 -o build/stencils/stencils.o
+wsl arm-none-eabi-ld -r build/stencils/stencils.o build/musl/musl_objects_armv7.o $(arm-none-eabi-gcc -print-libgcc-file-name) -o src/copapy/obj/stencils_armv7_O3.o
 wsl arm-none-eabi-objdump -d -x src/copapy/obj/stencils_armv7_O3.o > build/stencils/stencils_armv7_O3.asm
+
+
 echo ------------------------------
 echo - Build runner
 wsl arm-linux-gnueabihf-gcc -march=armv7-a -mfpu=neon-vfpv3 -marm -static -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -O3 -DENABLE_LOGGING src/coparun/runmem.c src/coparun/coparun.c src/coparun/mem_man.c -o build/runner/coparun-armv7