configure

#!/bin/sh
#very simple configure script to generate Makefile

#defaults
PREFIX=/usr/local
BUILD=
build=static

#parameters
while [ $# != 0 ]; do
	I=1
	while [ $I -lt `echo $# | wc -c` ]; do
		case $1 in
			--prefix*) PREFIX=`echo $1|cut -d '=' -f2`;;
			--libdir*) LIBDIR=`echo $1|cut -d '=' -f2`;;
			--mandir*) MANDIR=`echo $1|cut -d '=' -f2`;;
			--enable-shared*)BUILD=-D_SHARED_BUILD;build=shared;;
			--enable-static*)BUILD='';build=static;FLAG=1;;
			-h|--help)	echo '
  -h|--help    		show this help
  --prefix=/dir    	set installation path : default /usr/local
  --libdir=   		set lib dir : default '$PREFIX'/lib, eg: /usr/lib64
  --enable-shared	build with shared libpmdesktop.so : default no
  --enable-static	build with static pmdesktop.c : default yes
	useful if libpmdesktop.so is installed to force static linking
  --mandir=		eg: /usr/man, default is '$PREFIX'/share/man' 
				exit;;
			
		esac
		shift
		I=$(($I+1))
	done
done
[ -z "$LIBDIR" ] && LIBDIR=${PREFIX}/lib
[ -z "$MANDIR" ] && MANDIR=${PREFIX}/share/man

echo
echo -n "checking for gcc...	" 
type gcc 2>&1 >/dev/null
if [ "$?" -eq 0 ];then  echo "ok" 
else echo -e "not found \naborting" && exit
fi
PM=`find /usr -type l -name libpmdesktop.so`
if [ "$PM" ];then
	if [ "$build" = "static" -a -z "$FLAG" ];then
		echo -n "ALERT:	"
		echo "${PM##*/} found"
		echo "Static build is disabled"
		echo
		build=shared
		BUILD=-D_SHARED_BUILD
	fi
fi
if [ "$build" = "shared" ];then
	echo -n "checking for libpmdesktop...	"
	if [ "$PM" ];then  echo "ok" 
	EXTRALIBS='-lpmdesktop'
	else echo -e "not found, please install libpmdesktop \nenabling static pmdesktop"
	SHARED='
pmdesktop.o: pmdesktop.c
	$(CC) -o $@ $(CFLAGS) -c $^
'
	PMOBJ='pmdesktop.o'
	build=static
	BUILD=''
	fi
else
	SHARED='
pmdesktop.o: pmdesktop.c
	$(CC) -o $@ $(CFLAGS) -c $^
'
	PMOBJ='pmdesktop.o'
fi

echo
echo "======================="
echo "prefix:	"$PREFIX"
libdir:	"${LIBDIR}"
mandir:	"${MANDIR}"
build: $build"
echo
echo "If these don't look right run $0 again"

cat > Makefile << _MAKE
CC=gcc
PREFIX=$PREFIX
LIBDIR=${LIBDIR}
MANDIR=${MANDIR}
CFLAGS=-Wall -pedantic -std=gnu99 -g
LIBFLAGS=-I/usr/include \`pkg-config --cflags cairo\`
LDFLAGS=-Wall -g -L\$(LIBDIR) -lX11 -lXext -lcairo
BUILD=$BUILD
EXTRALIBS=$EXTRALIBS

all: pmck

pmck: pmck.o $PMOBJ
	\$(CC) -o \$@ \$^ \$(LDFLAGS) \$(EXTRALIBS)

pmck.o: pmck.c
	\$(CC) -o \$@ \$(CFLAGS) \$(LIBFLAGS) \$(BUILD) -c \$^
${SHARED}
install: pmck
	install -d -m 0755 \$(DESTDIR)\$(PREFIX)/bin \$(DESTDIR)\$(MANDIR)/man1/
	install -d -m 0755 \$(DESTDIR)\$(PREFIX)/share/pmck
	install -m 0755 -s pmck \$(DESTDIR)\$(PREFIX)/bin
	install -m 0644 pmck.1 \$(DESTDIR)\$(MANDIR)/man1/pmck.1
	install -m 0644 pmckrc \$(DESTDIR)\$(PREFIX)/share/pmck/pmckrc

uninstall: pmck
	-rm \$(PREFIX)/bin/pmck
	-rm \$(MANDIR)/man1/pmck.1
	-rm -r \$(PREFIX)/share/pmck/
	\$(info Manual cleanup of your ~/.config dir  may be necessary)

clean:
	-rm -f *.o pmck

distclean:
	-rm Makefile
_MAKE