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	improve Makefile - xscreenshot - screen capture tool
	git clone git://git.codemadness.org/xscreenshot
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	LICENSE
	---
	commit a61ce36c878f7bd110fa7c0753efa4d12fbb6304
	parent 7b7a88a34cf8da48cd07a87357e65cfd54befcaa
	Author: Hiltjo Posthuma <[email protected]>
	Date: Wed, 4 Mar 2020 00:40:39 +0100

	improve Makefile

	- rm config.mk
	- just be verbose.
	- fix 'dist' target.
	- remove 'options' target.
	- change man page location to OpenBSD it's location by default.
	- respect system CFLAGS/LDFLAGS asmuch as possible by default.

	Diffstat:
	M Makefile \| 75 +++++++++++++++++++----------…
	D config.mk \| 28 ----------------------------

	2 files changed, 47 insertions(+), 56 deletions(-)
	---
	diff --git a/Makefile b/Makefile
	@@ -1,42 +1,61 @@
	-include config.mk
	+.POSIX:

	NAME = xscreenshot
	-SRC = xscreenshot.c
	-OBJ = ${SRC:.c=.o}
	+VERSION = 1.0

	-all: xscreenshot
	+# paths
	+PREFIX = /usr/local
	+MANPREFIX = ${PREFIX}/man

	-options:
	- @echo ${NAME} build options:
	- @echo "CFLAGS = ${CFLAGS}"
	- @echo "LDFLAGS = ${LDFLAGS}"
	- @echo "CC = ${CC}"
	+INCS = -I/usr/X11R6/include
	+LIBS = -L/usr/X11R6/lib -lX11

	-.c.o:
	- ${CC} -c ${CFLAGS} $<
	+# use system flags.
	+XSCREENSHOT_CFLAGS = ${CFLAGS} ${INCS}
	+XSCREENSHOT_LDFLAGS = ${LDFLAGS} ${LIBS}
	+XSCREENSHOT_CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE
	+
	+BIN = ${NAME}
	+SRC = ${BIN:=.c}
	+MAN1 = ${BIN:=.1}
	+OBJ = ${SRC:.c=.o}
	+DOC = \
	+ LICENSE\
	+ README

	-${OBJ}: config.mk
	+all: ${BIN}

	-xscreenshot: xscreenshot.o
	- ${CC} -o $@ xscreenshot.o ${LDFLAGS}
	+${OBJ}:
	+
	+.o:
	+ ${CC} ${XSCREENSHOT_LDFLAGS} -o $@ $<
	+
	+.c.o:
	+ ${CC} ${XSCREENSHOT_CFLAGS} ${XSCREENSHOT_CPPFLAGS} -o $@ -c $<
	+
	+dist:
	+ rm -rf "${NAME}-${VERSION}"
	+ mkdir -p "${NAME}-${VERSION}"
	+ cp -f ${MAN1} ${DOC} ${SRC} Makefile \
	+ "${NAME}-${VERSION}"
	+ # make tarball
	+ tar -cf - "${NAME}-${VERSION}" \| \
	+ gzip -c > "${NAME}-${VERSION}.tar.gz"
	+ rm -rf "${NAME}-${VERSION}"

	clean:
	- rm -f xscreenshot ${OBJ}
	+ rm -f ${BIN} ${OBJ}

	install: all
	- @echo installing executable file to ${DESTDIR}${PREFIX}/bin
	- @mkdir -p ${DESTDIR}${PREFIX}/bin
	- @cp -f xscreenshot ${DESTDIR}${PREFIX}/bin
	- @chmod 755 ${DESTDIR}${PREFIX}/bin/xscreenshot
	- @echo installing manual pages to ${DESTDIR}${MANPREFIX}/man1
	- @mkdir -p ${DESTDIR}${MANPREFIX}/man1
	- @cp -f xscreenshot.1 ${DESTDIR}${MANPREFIX}/man1
	- @chmod 644 ${DESTDIR}${MANPREFIX}/man1/xscreenshot.1
	+ mkdir -p ${DESTDIR}${PREFIX}/bin
	+ cp -f ${BIN} ${DESTDIR}${PREFIX}/bin
	+ chmod 755 ${DESTDIR}${PREFIX}/bin/xscreenshot
	+ mkdir -p ${DESTDIR}${MANPREFIX}/man1
	+ cp -f ${MAN1} ${DESTDIR}${MANPREFIX}/man1
	+ chmod 644 ${DESTDIR}${MANPREFIX}/man1/xscreenshot.1

	uninstall:
	- @echo removing executable file from ${DESTDIR}${PREFIX}/bin
	- @rm -f ${DESTDIR}${PREFIX}/bin/xscreenshot
	- @echo removing manual pages from ${DESTDIR}${MANPREFIX}/man1
	- @rm -f ${DESTDIR}${MANPREFIX}/man1/xscreenshot.1
	+ rm -f ${DESTDIR}${PREFIX}/bin/xscreenshot
	+ rm -f ${DESTDIR}${MANPREFIX}/man1/xscreenshot.1

	-.PHONY: all options clean dist install uninstall
	+.PHONY: all clean dist install uninstall
	diff --git a/config.mk b/config.mk
	@@ -1,28 +0,0 @@
	-VERSION = 1.0
	-
	-# customize below to fit your system
	-
	-# paths
	-PREFIX = /usr/local
	-MANPREFIX = ${PREFIX}/share/man
	-
	-X11INC = /usr/X11R6/include
	-X11LIB = /usr/X11R6/lib
	-
	-# includes and libs
	-INCS = -I${X11INC}
	-LIBS = -L${X11LIB} -lX11
	-
	-# flags
	-CPPFLAGS = -DVERSION=\"${VERSION}\"
	-
	-# debug
	-CFLAGS = -O0 -g -std=c99 -Wall -pedantic -D_DEFAULT_SOURCE -D_BSD_SOURCE ${INC…
	-LDFLAGS = ${LIBS}
	-
	-# optimized
	-#CFLAGS = -O2 -std=c99 -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -D_BSD_SOURC…
	-#LDFLAGS = -s ${LIBS}
	-
	-# compiler and linker
	-CC = cc