nixpkgs/pkgs/os-specific/linux/pam/default.nix

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{ stdenv, fetchurl, flex, cracklib, libxcrypt }:
stdenv.mkDerivation rec {
name = "linux-pam-1.1.1";
src = fetchurl {
url = mirror://kernel/linux/libs/pam/library/Linux-PAM-1.1.1.tar.bz2;
sha256 = "015r3xdkjpqwcv4lvxavq0nybdpxhfjycqpzbx8agqd5sywkx3b0";
};
buildNativeInputs = [ flex ];
buildInputs = [ cracklib ]
++ stdenv.lib.optional
(stdenv.system != "armv5tel-linux" && stdenv.system != "mips64-linux")
libxcrypt;
crossAttrs = {
# Skip libxcrypt cross-building, as it fails for mips and armv5tel
propagatedBuildInputs = [ flex.hostDrv cracklib.hostDrv ];
preConfigure = preConfigure + ''
ar x ${flex.hostDrv}/lib/libfl.a
mv libyywrap.o libyywrap-target.o
ar x ${flex}/lib/libfl.a
mv libyywrap.o libyywrap-host.o
export LDFLAGS="$LDFLAGS $PWD/libyywrap-target.o"
sed -e 's/@CC@/gcc/' -i doc/specs/Makefile.in
'';
postConfigure = ''
sed -e "s@ $PWD/libyywrap-target.o@ $PWD/libyywrap-host.o@" -i doc/specs/Makefile
'';
};
postInstall = ''
mv -v $out/sbin/unix_chkpwd{,.orig}
ln -sv /var/setuid-wrappers/unix_chkpwd $out/sbin/unix_chkpwd
'';
preConfigure = ''
configureFlags="$configureFlags --includedir=$out/include/security"
'';
meta = {
homepage = http://ftp.kernel.org/pub/linux/libs/pam/;
description = "Pluggable Authentication Modules, a flexible mechanism for authenticating user";
platforms = stdenv.lib.platforms.linux;
};
}