How to build gcc-4.3 natively on Haiku: checkout the buildtools from the haiku repository cd into the buildtools folder (where this file lives) compile binutils: mkdir binutils-obj cd binutils-obj CFLAGS="-O2" CXXFLAGS="-O2" ../binutils/configure --prefix=/boot/develop/tools/gnupro --disable-nls --enable-shared=yes make cd .. compile gcc: mkdir gcc-obj cd gcc-obj CFLAGS="-O2" CXXFLAGS="-O2" ../gcc/configure \ --prefix=/boot/develop/tools/gnupro \ --enable-shared --enable-languages=c,c++ \ --disable-nls --without-libiconv-prefix --disable-libstdcxx-pch make bootstrap cd .. Ok, now everything is compiled and ready, waiting to be installed: mv /boot/develop/abi/current/tools/gcc-4.3.3-haiku-xxxxxx \ /boot/develop/abi/current/tools/gcc-4.3.3-haiku-xxxxxx_orig mkdir /boot/develop/abi/current/tools/gcc-4.3.3-haiku-090629 ln -sfn /boot/develop/abi/current/tools/gcc-4.3.3-haiku-090629 \ /boot/develop/abi/current/tools/current cd binutils-obj make install cd .. cd gcc-obj make install cd .. Please send questions & bug-reports to: Oliver Tappe