nixpkgs/pkgs/stdenv-linux/stdenv-build.sh

#! /bin/sh

export PATH=/bin:/usr/bin

mkdir $out || exit 1
mkdir $out/bin || exit 1

echo "export PATH=$out/bin:/bin:/usr/bin" >> $out/setup || exit 1
echo "export NIX_CFLAGS=\"-isystem $glibc/include \$NIX_CFLAGS\"" >> $out/setup || exit 1
echo "export NIX_LDFLAGS=\"-L $glibc/lib -Wl,-dynamic-linker,$glibc/lib/ld-linux.so.2,-rpath,$glibc/lib \$NIX_LDFLAGS\"" >> $out/setup || exit 1

gcc=/usr/bin/gcc

sed \
 -e s^@GCC\@^$gcc^g \
 < $gccwrapper > $out/bin/gcc || exit 1
chmod +x $out/bin/gcc || exit 1

ln -s gcc $out/bin/cc

gplusplus=/usr/bin/g++

sed \
 -e s^@GCC\@^$gplusplus^g \
 < $gccwrapper > $out/bin/g++ || exit 1
chmod +x $out/bin/g++ || exit 1

ln -s g++ $out/bin/c++