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# tools
CC ?= cc
PKG_CONFIG ?= pkg-config
# install dirs
PREFIX ?= /usr/local
DESTDIR ?=
BIN := sxwm
MAN := sxwm.1
MAN_DIR := $(PREFIX)/share/man/man1
XSESSIONS := $(DESTDIR)$(PREFIX)/share/xsessions
# layout
SRC_DIR := src/
OBJ_DIR := build/
SRC := $(wildcard $(SRC_DIR)/*.c)
OBJ := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRC))
DEP := $(OBJ:.o=.d)
# flags
CPPFLAGS ?= -Isrc -D_FORTIFY_SOURCE=2
# compile flags + warnings, hardening
CFLAGS ?= -std=c99 -Os -pipe \
-Wall -Wextra -Wformat=2 -Werror=format-security \
-Wshadow -Wpointer-arith -Wcast-qual -Wwrite-strings \
-Wmissing-prototypes -Wstrict-prototypes -Wswitch-enum \
-Wundef -Wvla -fno-common -fno-strict-aliasing \
-fstack-protector-strong -fPIE
# linker
LDFLAGS ?= -Wl,-O1 -pie
# libraries
LDLIBS ?= -lX11 -lXinerama -lXcursor
# prefer pkg-config
ifneq ($(shell $(PKG_CONFIG) --exists x11 xinerama xcursor && echo yes),)
CPPFLAGS += $(shell $(PKG_CONFIG) --cflags x11 xinerama xcursor)
LDLIBS := $(shell $(PKG_CONFIG) --libs x11 xinerama xcursor)
endif
# Termux detection for dependency
ifneq ($(shell if [ "$$PREFIX" = "/data/data/com.termux/files/usr" ]; then echo yes; fi),)
LDLIBS += -landroid-wordexp
endif
.PHONY: all clean install uninstall clangd
.SUFFIXES:
all: $(BIN)
$(BIN): $(OBJ)
$(CC) $(LDFLAGS) -o $@ $^ $(LDLIBS)
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c | $(OBJ_DIR)
@mkdir -p $(dir $@)
$(CC) $(CPPFLAGS) $(CFLAGS) -MMD -MP -c -o $@ $<
-include $(DEP)
$(OBJ_DIR):
@mkdir -p $@
clean:
@rm -rf $(OBJ_DIR) $(BIN)
install: all
@echo "installing $(BIN) to $(DESTDIR)$(PREFIX)/bin..."
@mkdir -p "$(DESTDIR)$(PREFIX)/bin"
@install -m 755 $(BIN) "$(DESTDIR)$(PREFIX)/bin/$(BIN)"
@echo "installing sxwm.desktop to $(XSESSIONS)..."
@mkdir -p "$(XSESSIONS)"
@install -m 644 sxwm.desktop "$(XSESSIONS)/sxwm.desktop"
@echo "installing man page to $(DESTDIR)$(MAN_DIR)..."
@mkdir -p "$(DESTDIR)$(MAN_DIR)"
@install -m 644 $(MAN) "$(DESTDIR)$(MAN_DIR)/"
@echo "copying default config to $(DESTDIR)$(PREFIX)/share/sxwmrc..."
@mkdir -p "$(DESTDIR)$(PREFIX)/share"
@install -m 644 default_sxwmrc "$(DESTDIR)$(PREFIX)/share/sxwmrc"
@echo "installation complete :)"
uninstall:
@echo "uninstalling $(BIN) from $(DESTDIR)$(PREFIX)/bin..."
@rm -f "$(DESTDIR)$(PREFIX)/bin/$(BIN)"
@echo "uninstalling sxwm.desktop from $(XSESSIONS)..."
@rm -f "$(XSESSIONS)/sxwm.desktop"
@echo "uninstalling man page from $(DESTDIR)$(MAN_DIR)..."
@rm -f "$(DESTDIR)$(MAN_DIR)/$(MAN)"
@echo "uninstallation complete :)"
# dev tools
clangd:
@echo "generating compile_flags.txt"
@rm -f compile_flags.txt
@for flag in $(CPPFLAGS) $(CFLAGS); do echo $$flag >> compile_flags.txt; done
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