Makefile

.RECIPEPREFIX = >
PREFIX   ?= /usr/local
BINDIR   ?= $(PREFIX)/bin
MANDIR   ?= $(PREFIX)/share/man
PKG_CONFIG ?= pkg-config
PKGS      = wayland-client pangocairo cairo
WFLAGS    = -Wall -Wextra -Wformat=2 -Werror=format -Wshadow \
            -Wmissing-prototypes -Wmissing-declarations -Wundef \
            -Wstrict-prototypes -Wno-unused-parameter -Werror \
            -Wconversion -Wsign-conversion -Wcast-qual -Wpointer-arith
HFLAGS    = -O2 -D_FORTIFY_SOURCE=2 -fstack-protector-strong
# GCC static analyzer; clear it for compilers without it: make ANALYZER=
ANALYZER ?= -fanalyzer
CFLAGS   += -std=c11 $(WFLAGS) $(HFLAGS) $(ANALYZER) \
            $(shell $(PKG_CONFIG) --cflags $(PKGS)) -isystem gen
LDLIBS   += $(shell $(PKG_CONFIG) --libs $(PKGS))

PROTO     = wlr-layer-shell-unstable-v1
XDGXML    = $(shell $(PKG_CONFIG) --variable=pkgdatadir wayland-protocols)/stable/xdg-shell/xdg-shell.xml
SCANNER   = $(shell $(PKG_CONFIG) --variable=wayland_scanner wayland-scanner 2>/dev/null || echo wayland-scanner)

all: swaytime

gen/$(PROTO)-client-protocol.h: protocol/$(PROTO).xml
> mkdir -p gen
> $(SCANNER) client-header $< $@

gen/$(PROTO)-protocol.c: protocol/$(PROTO).xml
> mkdir -p gen
> $(SCANNER) private-code $< $@

gen/xdg-shell-protocol.c: $(XDGXML)
> mkdir -p gen
> $(SCANNER) private-code $< $@

gen/%.o: gen/%.c
> $(CC) $(CFLAGS) -c -o $@ $<

swaytime.o: swaytime.c gen/$(PROTO)-client-protocol.h
> $(CC) $(CFLAGS) -c -o $@ $<

swaytime: swaytime.o gen/$(PROTO)-protocol.o gen/xdg-shell-protocol.o
> $(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)

install: swaytime
> install -Dm755 swaytime $(DESTDIR)$(BINDIR)/swaytime
> install -Dm644 swaytime.1 $(DESTDIR)$(MANDIR)/man1/swaytime.1

uninstall:
> rm -f $(DESTDIR)$(BINDIR)/swaytime $(DESTDIR)$(MANDIR)/man1/swaytime.1

clean:
> rm -rf gen swaytime swaytime.o

.PHONY: all install uninstall clean