Add Makefile with some standard/handy tools

+ a failed initial attempt at producing static binaries.

.gitignore

+*.swp
+*~
+ncdu.1
+ncurses
+static-*/
 zig-cache/
 zig-out/
-ncdu.1
-*~
-*.swp
-static/*
-!static/build.sh

Makefile

+# Optional semi-standard Makefile with some handy tools.
+# Ncdu itself can be built with just the zig build system.
+
+PREFIX ?= /usr/local
+BINDIR ?= ${PREFIX}/bin
+MANDIR ?= ${PREFIX}/share/man/man1
+
+NCDU_VERSION=$(shell grep 'program_version = "' src/main.zig | sed -e 's/^.*"\(.\+\)".*$$/\1/')
+
+debug:
+	zig build
+
+release:
+	zig build -Drelease-fast
+
+clean:
+	rm -rf zig-cache zig-out
+
+distclean: clean
+	rm -f ncdu.1
+
+doc: ncdu.1
+
+ncdu.1: ncdu.pod src/main.zig
+	pod2man --center "ncdu manual" --release "ncdu-${NCDU_VERSION}" ncdu.pod >ncdu.1
+
+install: install-bin install-doc
+
+install-bin: release
+	mkdir -p ${BINDIR}
+	install -m0755 zig-out/bin/ncdu ${BINDIR}/
+
+install-doc: doc
+	mkdir -p ${MANDIR}
+	install -m0644 ncdu.1 ${MANDIR}/
+
+uninstall: uninstall-bin uninstall-doc
+
+# XXX: Ideally, these would also remove the directories created by 'install' if they are empty.
+uninstall-bin:
+	rm -f ${BINDIR}/ncdu
+
+uninstall-doc:
+	rm -f ${MANDIR}/ncdu.1
+
+dist: doc
+	rm -f ncdu-${NCDU_VERSION}.tar.gz
+	mkdir ncdu-${NCDU_VERSION}
+	for f in ncdu.1 `git ls-files | grep -v ^\.gitignore`; do mkdir -p ncdu-${NCDU_VERSION}/`dirname $$f`; ln -s "`pwd`/$$f" ncdu-${NCDU_VERSION}/$$f; done
+	tar -cophzf ncdu-${NCDU_VERSION}.tar.gz --sort=name ncdu-${NCDU_VERSION}
+	rm -rf ncdu-${NCDU_VERSION}
+
+
+# ASSUMPTION: the ncurses source tree has been extracted into ncurses/
+# BUG: Zig writes to zig-* in this directory, not the TARGET-specific build one.
+# BUG: Doesn't seem to do any static linking :(
+static:
+	mkdir -p static-${TARGET}/nc static-${TARGET}/inst/pkg
+	cd static-${TARGET}/nc && ../../ncurses/configure --prefix="`pwd`/../inst"\
+		--with-pkg-config-libdir="`pwd`/../inst/pkg"\
+		--without-cxx --without-cxx-binding --without-ada --without-manpages --without-progs\
+		--without-tests --enable-pc-files --without-pkg-config --without-shared --without-debug\
+		--without-gpm --without-sysmouse --enable-widec --with-default-terminfo-dir=/usr/share/terminfo\
+		--with-terminfo-dirs=/usr/share/terminfo:/lib/terminfo:/usr/local/share/terminfo\
+		--with-fallbacks="screen linux vt100 xterm xterm-256color" --host=${TARGET}\
+		CC="zig cc --target=${TARGET}"\
+		LD="zig cc --target=${TARGET}"\
+		AR="zig ar" RANLIB="zig ranlib"\
+		CPPFLAGS=-D_GNU_SOURCE && make && make install.libs
+	cd static-${TARGET} && PKG_CONFIG_LIBDIR="`pwd`/inst/pkg" zig build -Dtarget=${TARGET}\
+		--build-file ../build.zig --search-prefix inst/ --cache-dir zig -Drelease-fast=true
+	@# Alternative approach, bypassing zig-build, but this still refuses to do static linking ("UnableToStaticLink")
+	@# cd static-${TARGET} && zig build-exe -target ${TARGET} -lc -Iinst/include -Iinst/include/ncursesw -Linst/lib -lncursesw -static ../src/main.zig ../src/ncurses_refs.c
+	#rm -rf static-${TARGET}
+
+static-target-%:
+	$(MAKE) static TARGET=$*
+
+static-all:\
+	# static-target-x86_64-linux-musl \ # Works, but doesn't link statically
+	# static-target-aarch64-linux-musl \ # Same
+	# static-target-i386-linux-musl # Broken, linker errors

src/scan.zig

@@ -653,7 +653,7 @@ const Import = struct {
     // (May store fewer characters in the case of \u escapes, it's not super precise)
     fn string(self: *Self, buf: []u8) []u8 {
         if (self.next() != '"') self.die("expected '\"'");
-        var n: u64 = 0;
+        var n: usize = 0;
         while (true) {
             const ch = self.next();
             switch (ch) {