c7cc3281a8
-Os provides -O2 minus some optimizations that would
increase size, plus optimizations that would decreaze
size, plus -Os usually takes caching into account.
-Os Optimize for size. -Os enables all -O2 optimizations that do not
typically increase code size. It also performs further optimizations
designed to reduce code size.
42 lines
711 B
Makefile
42 lines
711 B
Makefile
CC ?= gcc
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STRIP ?= strip
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CFLAGS ?= -Os
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LDFLAGS += -lxcb
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CFDEBUG = -g3 -pedantic -Wall -Wunused-parameter -Wlong-long\
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-Wsign-conversion -Wconversion -Wimplicit-function-declaration
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EXEC = bar
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SRCS = bar.c
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OBJS = ${SRCS:.c=.o}
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PREFIX?=/usr
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BINDIR=${PREFIX}/bin
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all: ${EXEC}
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.c.o:
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${CC} ${CFLAGS} -o $@ -c $<
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${OBJS}: config.h
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config.h:
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@echo creating $@ from config.def.h
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@cp config.def.h $@
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${EXEC}: ${OBJS}
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${CC} ${LDFLAGS} -o ${EXEC} ${OBJS}
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${STRIP} -s ${EXEC}
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debug: ${EXEC}
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debug: CC += ${CFDEBUG}
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clean:
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rm -rf ./*.o
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rm -rf ./${EXEC}
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install: bar
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test -d ${DESTDIR}${BINDIR} || mkdir -p ${DESTDIR}${BINDIR}
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install -m755 bar ${DESTDIR}${BINDIR}/bar
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.PHONY: all debug clean install
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