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

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#! /bin/sh
export PATH=/bin:/usr/bin
mkdir $out || exit 1
mkdir $out/bin || exit 1
echo "export PATH=$out/bin:/bin:/usr/bin" >> $out/setup || exit 1
gcc=/usr/bin/gcc
sed \
-e s^@GCC\@^$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++