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Makefile
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Makefile
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# if $CC is not set, guess default `cc'. It has to be in system
CC ?= cc
# compile options
CFLAGS ?= -Os -Wall -Wpedantic -Wextra
# link options
LDFLAGS ?= -s
# install path is: $(DESTDIR)$(PREFIX)/$(BINDIR)/$(BINARY)
DESTDIR ?=
PREFIX ?= /usr/local
BINDIR ?= bin
MANDIR ?= $(PREFIX)/share/man
# implemented backends: wayland x11 gdi
backends ?= wayland x11
# addons
with ?= libconfig
# needs rebuild on dependency change (object name, w/o obj/ prefix)
<<needs-rebuild>> = \
activate_linux.o \
options.o
IS_CLANG = $(shell $(CC) -v 2>&1 | grep -q clang && echo true)
ifeq ($(IS_CLANG),true)
CFLAGS += -Wno-gnu-zero-variadic-macro-arguments
CFLAGS += -Wno-empty-translation-unit
endif
# Echo function
<< := echo
ifneq ($(shell eval 'echo -e'),-e)
<< += -e
endif
# Mess with backends
<<backends>> = $(sort $(filter x11 wayland gdi,$(backends)))
# optional addons
<<with>> = $(sort $(filter libconfig,$(with)))
<<addons>> =
<<addon-srcs>> = src/config.c
ifeq ($(filter x11,$(<<backends>>)),x11)
PKGS += x11 xfixes xinerama xrandr xext x11
CFLAGS += -DX11
endif
ifeq ($(filter wayland,$(<<backends>>)),wayland)
PKGS += wayland-client
CFLAGS += -DWAYLAND
LDFLAGS += -lrt
endif
ifneq ($(filter wayland x11,$(<<backends>>)),)
PKGS += cairo
CFLAGS += -DCOLOR_HELP -DCAIRO
endif
ifeq ($(filter gdi,$(<<backends>>)),gdi)
# Current toolchain architecture variable from MSYS2 project
ifeq ($(MSYSTEM_CARCH),i686)
CFLAGS += -m32
endif
CFLAGS += -DGDI
LDFLAGS += -lgdi32
endif
# rebuild on optional deps change
ifneq ($(filter libconfig,$(<<with>>)),)
ifneq ($(shell pkg-config --exists libconfig && echo exists),)
PKGS += libconfig
CFLAGS += -DLIBCONFIG
<<addons>> += libconfig
endif
endif
ifneq ($(PKGS),)
CFLAGS += $(shell pkg-config --cflags $(PKGS))
LDFLAGS += $(shell pkg-config --libs $(PKGS))
endif
<<sources>> := \
$(filter-out $(<<addon-srcs>>), \
$(wildcard src/*.c) \
$(foreach <<backend>>,$(<<backends>>),$(wildcard src/$(<<backend>>)/*.c)))
<<generators>> := \
$(filter-out $(<<addon-srcs>>), \
$(wildcard src/*.cgen) \
$(foreach <<backend>>,$(<<backends>>),$(wildcard src/$(<<backend>>)/*.cgen)))
<<hgenerators>> := \
$(filter-out $(<<addon-srcs>>), \
$(wildcard src/*.hgen) \
$(foreach <<backend>>,$(<<backends>>),$(wildcard src/$(<<backend>>)/*.hgen)))
ifneq ($(filter libconfig,$(<<addons>>)),)
<<sources>> += src/config.c
endif
<<objects>> := $(<<sources>>:src/%.c=obj/%.o)
<<objects>> += $(<<generators>>:src/%.cgen=obj/%.o)
# Output file name
NAME := $(shell uname -s)
ifeq ($(NAME),Linux)
BINARY ?= activate-linux
endif
ifeq ($(NAME),Darwin)
BINARY ?= activate-macos
endif
ifneq (, filter($(shell uname -o),Msys Cygwin))
ifeq ($(MSYSTEM_CARCH),i686)
BINARY ?= activate-windows.exe
else
BINARY ?= activate-windows64.exe
endif
endif
# Use .$(BINARY).d file to track backend change
<<depends>> = $(sort $(<<backends>>) $(<<addons>>))
ifneq ($(sort $(file < .$(BINARY).d)),$(<<depends>>))
<<null>> := $(file > .$(BINARY).d,$(<<depends>>))
endif
undefine <<depends>> <<null>>
# using some makefile sorcery
all: $(BINARY)
obj/%.o: src/%.c
@$(<<) " CC\t" $(<:src/%=%)
@mkdir -p $(shell dirname $(@))
@$(CC) -c $(<) -o $(@) $(CFLAGS)
%.h: %.hgen
@$(<<) " GEN\t" $(@:src/%=%)
@sh -- $(<) $(@)
%.c: %.cgen
@$(<<) " GEN\t" $(@:src/%=%)
@sh -- $(<) $(@)
$(BINARY): $(<<objects>>)
@if test -n "$(<<addons>>)"; then $(<<) "WITH\t" $(<<addons>>);fi
@$(<<) "LINK\t" "$(BINARY)$(^:obj/%=\\n\\t + %)"
@$(CC) $(^) -o $(@) $(LDFLAGS)
install: $(BINARY)
install -Dm0755 $(BINARY) $(DESTDIR)$(PREFIX)/$(BINDIR)/$(BINARY)
install -Dm0644 activate-linux.1 $(MANDIR)/man1/activate-linux.1
uninstall:
sudo $(RM) -f $(DESTDIR)$(PREFIX)/$(BINDIR)/$(BINARY)
sudo $(RM) -f $(MANDIR)/man1/activate-linux.1
sudo mandb -q
appimage: $(BINARY)
curl -#L -O https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
chmod +x linuxdeploy-x86_64.AppImage
./linuxdeploy-x86_64.AppImage --appdir AppDir --executable ./$(BINARY) --desktop-file res/activate-linux.desktop --icon-file res/icon.png --output appimage
clean:
@$(<<) " RM\t" "$(BINARY)$(<<objects>>:obj/%=\\n\\t + %)"
@$(RM) -f $(<<objects>>) $(BINARY) .$(BINARY).d
test: $(BINARY)
./$(BINARY)
$(<<needs-rebuild>>:%=obj/%): .$(BINARY).d
obj/wayland/wayland.o: src/wayland/wlr-layer-shell-unstable-v1.h
.PHONY: all clean install uninstall test
.INTERMEDIATE: $(<<hgenerators>>:%.hgen=%.h) $(<<generators>>:%.cgen=%.c)