nixpkgs/pkgs/development/compilers/gnatboot/default.nix

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{ lib, stdenv, fetchurl }:
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stdenv.mkDerivation {
pname = "gentoo-gnatboot";
version = "4.1";
src = if stdenv.system == "i686-linux" then
fetchurl {
url = mirror://gentoo/distfiles/gnatboot-4.1-i386.tar.bz2;
sha256 = "0665zk71598204bf521vw68i5y6ccqarq9fcxsqp7ccgycb4lysr";
}
else if stdenv.system == "x86_64-linux" then
fetchurl {
url = mirror://gentoo/distfiles/gnatboot-4.1-amd64.tar.bz2;
sha256 = "1li4d52lmbnfs6llcshlbqyik2q2q4bvpir0f7n38nagp0h6j0d4";
}
else
throw "Platform not supported";
dontStrip = 1;
installPhase = ''
mkdir -p $out
cp -R * $out
set +e
for a in $out/bin/* ; do
patchelf --interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
--set-rpath $(cat $NIX_CC/nix-support/orig-libc)/lib:$(cat $NIX_CC/nix-support/orig-cc)/lib64:$(cat $NIX_CC/nix-support/orig-cc)/lib $a
done
set -e
mv $out/bin/gnatgcc_2wrap $out/bin/gnatgcc
ln -s $out/bin/gnatgcc $out/bin/gcc
'';
passthru = {
langC = true; # TRICK for gcc-wrapper to wrap it
langCC = false;
langFortran = false;
langAda = true;
};
meta = with lib; {
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homepage = "https://gentoo.org";
license = licenses.gpl3Plus;
maintainers = [ maintainers.lucus16 ];
platforms = platforms.linux;
};
}