diff --git a/lib/CPUs/MIPS/bsp/examples/Makefile b/lib/CPUs/MIPS/bsp/examples/Makefile
index 7f5ab05..39387ca 100644
--- a/lib/CPUs/MIPS/bsp/examples/Makefile
+++ b/lib/CPUs/MIPS/bsp/examples/Makefile
@@ -1,7 +1,7 @@
 TOOLS_DIR=../../tools
 
-CFLAGS=-G 0 -msoft-float -O2 -march=r3000 -I.
-LFLAGS=-G 0 -M -T link.ld
+CFLAGS=-mno-gpopt -msoft-float -O2 -march=r3000 -I.
+LFLAGS=-M -T link.ld
 LIB_DIRS=-L /usr/local/mipsel-elf/lib -L /usr/local/lib/gcc/mipsel-elf/4.3.2
 LIBS=-lc -lm -lgcc
 
diff --git a/lib/CPUs/MIPS/bsp/examples/bootloader/Makefile b/lib/CPUs/MIPS/bsp/examples/bootloader/Makefile
index c16d928..11ca029 100644
--- a/lib/CPUs/MIPS/bsp/examples/bootloader/Makefile
+++ b/lib/CPUs/MIPS/bsp/examples/bootloader/Makefile
@@ -1,8 +1,8 @@
 ROM_WORDADDR_WIDTH=11
 TOOLS_DIR=../../../tools
 
-CFLAGS=-G 0 -O2 -I. -I../ -msoft-float -march=r3000
-LFLAGS=-G 0 -M -T bootloader.ld
+CFLAGS=-mno-gpopt -O2 -I. -I../ -msoft-float -march=r3000
+LFLAGS=-M -T bootloader.ld
 LIB_DIRS=-L /usr/local/mipsel-elf/lib -L /usr/local/lib/gcc/mipsel-elf/4.3.2
 LIBS=-lc -lm -lgcc
 
diff --git a/lib/CPUs/MIPS/bsp/toolchain/howto_build.txt b/lib/CPUs/MIPS/bsp/toolchain/howto_build.txt
index c9cde65..270be3b 100644
--- a/lib/CPUs/MIPS/bsp/toolchain/howto_build.txt
+++ b/lib/CPUs/MIPS/bsp/toolchain/howto_build.txt
@@ -15,8 +15,8 @@
 > tar -xzf gcc-4.3.2.tar.gz
 > mkdir gcc-4.3.2_build
 > cd gcc-4.3.2_build
-> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages=c,c++ --without-headers --with-newlib --with-float=soft
-> CFLAGS_FOR_TARGET="-G 0 -g -O2" make all-gcc
+> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages="c,c++" --without-headers --with-newlib --with-float=soft --disable-multilib
+> CFLAGS_FOR_TARGET="-mno-gpopt" make all-gcc
 > make info-gcc
 > make install-gcc
  
@@ -32,16 +32,15 @@
 
 > mkdir newlib-1.16.0_build
 > cd newlib-1.16.0_build
-> ../newlib-1.16.0/configure --target=mipsel-elf --prefix=/usr/local --with-float=soft
-> TARGET_CFLAGS="-G 0 -g -O2" make all
+> ../newlib-1.16.0/configure --target=mipsel-elf --prefix=/usr/local --with-float=soft --disable-multilib
+> TARGET_CFLAGS="-mno-gpopt" make all
 > make install
 
 # ---------------------------------------------------------------
 # 4. GCC bauen und installieren
 # ---------------------------------------------------------------
 > cd gcc-4.3.2_build
-> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages=c,c++ --disable-shared --with-newlib --with-float=soft
-> CFLAGS_FOR_TARGET="-G 0 -g -O2" make all
+> ../gcc-4.3.2/configure --target=mipsel-elf --prefix=/usr/local --enable-languages="c,c++" --disable-shared --with-newlib --with-float=soft --disable-multilib
+> CFLAGS_FOR_TARGET="-mno-gpopt" make all
 > make info
 > make install
-