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nixpkgs/pkgs/os-specific/darwin/apple-source-releases/bootstrap_cmds/default.nix
John Ericson 7bba32a069 darwin packages: Get ready for cross
If things build fine with `stdenvNoCC`, let them use that. If tools
might be prefixed, prepare for that, either by directly splicing or just
using the env vars provided by the wrapper setup-hooks.

Co-authored-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
2021-05-11 16:07:01 -04:00

44 lines
1.1 KiB
Nix

{ lib, appleDerivation, stdenv, bison, flex }:
let
# Hard to get CC to pull this off without infinite recursion
targetTargetPrefix = lib.optionalString
(with stdenv; hostPlatform != targetPlatform)
(stdenv.targetPlatform.config + "-");
in
appleDerivation {
nativeBuildInputs = [ bison flex ];
buildPhase = ''
cd migcom.tproj
# redundant file, don't know why apple not removing it.
rm handler.c
yacc -d parser.y
flex --header-file=lexxer.yy.h -o lexxer.yy.c lexxer.l
$CC -std=gnu99 -Os -dead_strip -DMIG_VERSION=\"$pname-$version\" -I. -o migcom *.c
'';
installPhase = ''
mkdir -p $out/bin $out/libexec $out/share/man/man1
chmod +x mig.sh
cp mig.sh $out/bin/mig
cp migcom $out/libexec
ln -s $out/libexec/migcom $out/bin/migcom
cp mig.1 $out/share/man/man1
cp migcom.1 $out/share/man/man1
substituteInPlace $out/bin/mig \
--replace 'arch=`/usr/bin/arch`' 'arch=${stdenv.targetPlatform.darwinArch}' \
--replace '/usr/bin/' "" \
--replace '/bin/rmdir' "rmdir" \
--replace 'C=''${MIGCC}' "C=${targetTargetPrefix}cc"
'';
}