{ stdenv, fetchurl }: let version = "1.8.0"; # These settings are found in the Makefile, but there seems to be no # way to select one ore the other setting other than editing the file # manually, so we have to duplicate the know how here. systemFlags = with stdenv; if isDarwin then '' CFLAGS="-O2 -Wall -fomit-frame-pointer" LDFLAGS= EXTRA_OBJS=strverscmp.o '' else if isCygwin then '' CFLAGS="-O2 -Wall -fomit-frame-pointer -DCYGWIN" LDFLAGS=-s TREE_DEST=tree.exe EXTRA_OBJS=strverscmp.o '' else if (isFreeBSD || isOpenBSD) then '' CFLAGS="-O2 -Wall -fomit-frame-pointer" LDFLAGS=-s EXTRA_OBJS=strverscmp.o '' else ""; # use linux flags by default in stdenv.mkDerivation { name = "tree-${version}"; src = fetchurl { url = "http://mama.indstate.edu/users/ice/tree/src/tree-${version}.tgz"; sha256 = "1hmpz6k0mr6salv0nprvm1g0rdjva1kx03bdf1scw8a38d5mspbi"; }; configurePhase = '' sed -i Makefile -e 's|^OBJS=|OBJS=$(EXTRA_OBJS) |' makeFlagsArray=( prefix=$out MANDIR=$out/share/man/man1 ${systemFlags} CC="cc" ) ''; meta = { homepage = http://mama.indstate.edu/users/ice/tree/; description = "Command to produce a depth indented directory listing"; license = stdenv.lib.licenses.gpl2; longDescription = '' Tree is a recursive directory listing command that produces a depth indented listing of files, which is colorized ala dircolors if the LS_COLORS environment variable is set and output is to tty. ''; platforms = stdenv.lib.platforms.all; maintainers = [stdenv.lib.maintainers.peti]; }; }