26bca020b6
Nexoniarz is the sole author and SchOS was never published under Apache-2.0, so this is a straight relicence. LICENSE is the FSF GPLv2 text, every first-party SPDX header moves to GPL-2.0-or-later, and NOTICE, README.md, docs/licensing.md and the site say so. projects/schfs-linux follows the rest of the tree. The GPL gives copyleft: a fork has to ship its source. It also lifts the old "Linux drivers, never" rule, since GPL-2.0-only code combines with GPL-2.0-or-later. "Or later" leaves room for GPLv3, but one binary still has to pick one version, so docs/licensing.md now keeps Apache-2.0 and GPLv3 code out of the kernel to keep Linux code possible there. BSD 4-clause code goes from "avoid" to "no", because the advertising clause is GPL-incompatible. LDLS still ships no .ko. That boundary is now project policy rather than a legal requirement, and ldls.md, devices.md and licensing.md section 6 say so. refmod declares license=GPL, and ldls-check passes (27 checks). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
84 lines
3.4 KiB
Makefile
84 lines
3.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-or-later
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# kilo — BSD-2-Clause: https://github.com/antirez/kilo
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#
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# SchOS's text editor, installed as sysroot/bin/kilo with `edit` beside it.
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#
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# It is here because the alternative every small system reaches for is vi, and
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# vi is a program you have to be taught before you can use it to fix the file
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# that is stopping the machine booting. kilo is the other kind: the arrow keys
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# move the cursor, typing inserts, Ctrl-S saves, Ctrl-Q quits, Ctrl-F finds,
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# and the bottom line says so while you work. Nobody has to be told any of it.
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#
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# The whole editor is one 1,300-line C file with no dependencies beyond libc --
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# termios and TIOCGWINSZ, both of which SchOS already has because zsh needs
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# them. That, and licensing at the time, is why it was chosen over nano: nano
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# is GPLv3 and wants ncurses at runtime, and SchOS was then Apache-2.0. Under
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# GPL-2.0-or-later nano is possible, but kilo already does the job.
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#
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# What it does not do: no undo, no multiple buffers, no configuration, no
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# mouse, no UTF-8 beyond passing bytes through. It edits one file.
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include ../mk/port.mk
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# Pinned to a commit rather than a release, because kilo has never had one --
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# it was written as the worked example for a tutorial and has been finished
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# ever since. A commit is at least an exact thing to name.
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#
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# The checksum is of GitHub's generated archive. Those are reproducible for a
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# given commit, but they are generated rather than uploaded, so if this ever
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# fails to verify check that upstream still has the commit before assuming the
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# tarball was tampered with.
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KILO_COMMIT := 323d93b29bd89a2cb446de90c4ed4fea1764176e
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KILO_URL := https://github.com/antirez/kilo/archive/$(KILO_COMMIT).tar.gz
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KILO_SHA256 := 79e62c23fdf369fa0cbbeaab9fd8ae2848dcc0156faf6efc89ea274528b39723
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TARBALL := $(DISTDIR)/kilo-$(KILO_COMMIT).tar.gz
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CFLAGS := -static -Os -D__SCHOS__ -I$(MUSL)/include $(CFLAGS_BT) \
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-D_BSD_SOURCE -std=c99 -Wall
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LDFLAGS := -static -L$(MUSL)/lib -lc
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$(TARBALL): | $(DISTDIR)
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curl -fsSL -o $@ $(KILO_URL)
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sh $(SHA256CHECK) "$(KILO_SHA256)" "$@"
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download: $(TARBALL)
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$(SRCDIR): $(TARBALL)
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mkdir -p $(PORTDIR)
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rm -rf $(PORTDIR)/kilo-$(KILO_COMMIT)
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tar -xzf $< -C $(PORTDIR)
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mv $(PORTDIR)/kilo-$(KILO_COMMIT) $@
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# One file, so its own Makefile is not worth invoking -- it hardcodes flags
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# that assume a hosted glibc and would link against the build host's libc.
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$(BUILDDIR)/kilo: | $(SRCDIR)
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mkdir -p $(BUILDDIR)
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$(CC) $(CFLAGS) -o $@ $(SRCDIR)/kilo.c $(LDFLAGS)
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build: $(BUILDDIR)/kilo
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# `edit` as well as `kilo`.
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#
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# Two real copies rather than a link, for the reason ports/toybox/Makefile
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# gives at length: mkschfs deduplicates by content, so the image holds one copy
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# with two names either way, and this needs nothing from the host filesystem.
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#
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# The second name is not decoration. Somebody who has just arrived at a SchOS
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# prompt with a file to fix will type `edit`; they will not guess `kilo`.
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$(PORTDIR)/.installed: $(BUILDDIR)/kilo | $(SYSROOT)/bin
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cp $(BUILDDIR)/kilo $(SYSROOT)/bin/kilo
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cp $(BUILDDIR)/kilo $(SYSROOT)/bin/edit
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chmod 755 $(SYSROOT)/bin/kilo $(SYSROOT)/bin/edit
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@mkdir -p $(SYSROOT)/usr/share/licenses/kilo
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cp $(SRCDIR)/LICENSE $(SYSROOT)/usr/share/licenses/kilo/LICENSE
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@touch $@
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@echo "kilo: installed as /bin/kilo and /bin/edit"
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install: $(PORTDIR)/.installed
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clean:
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rm -rf $(BUILDDIR) $(PORTDIR)/.installed
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distclean: clean
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rm -rf $(PORTDIR)
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