View source for Bare metal PDP-11 GCC 9.3.0 cross compiler instructions

[[Category:GCC]]

== Introduction ==

We'll build a GCC 9.3.0 targeting PDP-11 (bare metal).

== Create directories ==

 cd $HOME
 mkdir -p src obj/{binutils-build,gcc-build}

== Get GCC and binutils ==

 curl https://ftp.gnu.org/gnu/binutils/binutils-2.34.tar.gz | tar -C $HOME/src -xf -
 curl https://ftp.gnu.org/gnu/gcc/gcc-9.3.0/gcc-9.3.0.tar.gz | tar -C $HOME/src -xf -

== Download prerequisites ==

 cd $HOME/src/gcc-9.3.0
 ./contrib/download_prerequisites

== Build and install binutils ==

 cd $HOME/obj/binutils-build
 ../../src/binutils-2.34/configure --prefix $HOME/xgcc --bindir $HOME/bin --target pdp11-aout
 make -j8 && make install

== Build and install bare metal gcc ==

 cd $HOME/obj/gcc-build
 ../../src/gcc-9.3.0/configure --prefix $HOME/xgcc --bindir $HOME/bin --target pdp11-aout --enable-languages=c --with-gnu-as --with-gnu-ld --without-headers --disable-libssp
 make -j8 && make install