diff -U 3 -dHrN -- a/libwcs/Makefile b/libwcs/Makefile

--- a/libwcs/Makefile	2011-09-15 21:05:05.000000000 +0200

+++ b/libwcs/Makefile	2020-06-27 18:40:25.837417862 +0200

@@ -1,4 +1,4 @@

-CFLAGS= -g -D_FILE_OFFSET_BITS=64

+CFLAGS+= -fPIC

 CC= cc

 OBJS =	imsetwcs.o imgetwcs.o matchstar.o findstar.o daoread.o wcscon.o \

@@ -11,10 +11,17 @@

 	sortstar.o platefit.o iget.o fileutil.o \

 	wcslib.o lin.o cel.o proj.o sph.o wcstrig.o distort.o poly.o

-libwcs.a:	$(OBJS)

+all: libwcstools.so.1.0.0 libwcstools.a

+

+libwcstools.a: $(OBJS)

 	ar rv $@ $?

 	ranlib $@

+libwcstools.so.1.0.0: $(OBJS)

+	$(CC) $(LDFLAGS) -shared -o $@ -Wl,-soname,libwcstools.so.1 $? -lm

+	ln -s libwcstools.so.1.0.0 libwcstools.so.1

+	ln -s libwcstools.so.1.0.0 libwcstools.so

+

 actread.o:	fitsfile.h wcscat.h wcs.h fitshead.h wcslib.h

 binread.o:	wcscat.h wcs.h fitshead.h wcslib.h

 ctgread.o:	wcscat.h wcs.h fitshead.h wcslib.h

@@ -67,4 +74,4 @@

 worldpos.o:	wcs.h fitshead.h wcslib.h

 clean:

-	rm -f *.a *.o

+	rm -f *.a *.o *.so *.so.*

diff -U 3 -dHrN -- a/Makefile b/Makefile

--- a/Makefile	2018-11-06 03:55:26.000000000 +0100

+++ b/Makefile	2020-06-27 18:32:28.022430111 +0200

@@ -1,12 +1,11 @@

-CFLAGS= -g -D_FILE_OFFSET_BITS=64

 CC= cc

-LIBWCS = libwcs/libwcs.a

-LIBS = $(LIBWCS) -lm

+LIBWCS = libwcs/libwcstools.so

+LIBS = -L libwcs -lwcstools -lm

 #LIBS = $(LIBWCS) -lm -lnsl -lsocket

 BIN = bin

 .PRECIOUS: ${LIBWCS} ${LIBNED}

 .c.o:

-	$(CC) -c $(CFLAGS) $(DEFS) $<

+	$(CC) -c $(CFLAGS) $(CPPFLAGS) $(DEFS) $<

 all:	cphead delwcs delhead edhead fixpix gethead i2f imcat imhead immatch \

 	imrot imsize imstar imwcs scat sethead addpix getpix setpix sky2xy \

@@ -16,190 +15,190 @@

 	isfile simpos bincat

 addpix: addpix.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/addpix addpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/addpix addpix.c $(LIBS)

 bincat: bincat.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/bincat bincat.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/bincat bincat.c $(LIBS)

 char2sp: char2sp.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/char2sp char2sp.c $(LIBWCS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/char2sp char2sp.c $(LIBWCS)

 conpix: conpix.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/conpix conpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/conpix conpix.c $(LIBS)

 cphead: cphead.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/cphead cphead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/cphead cphead.c $(LIBS)

 crlf: crlf.c

-	$(CC) $(CFLAGS) -o $(BIN)/crlf crlf.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/crlf crlf.c

 delwcs: delwcs.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/delwcs delwcs.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/delwcs delwcs.c $(LIBS)

 delhead: delhead.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/delhead delhead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/delhead delhead.c $(LIBS)

 edhead: edhead.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/edhead edhead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/edhead edhead.c $(LIBS)

 filename: filename.c

-	$(CC) $(CFLAGS) -o $(BIN)/filename filename.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/filename filename.c

 filedir: filedir.c

-	$(CC) $(CFLAGS) -o $(BIN)/filedir filedir.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/filedir filedir.c

 fileroot: fileroot.c

-	$(CC) $(CFLAGS) -o $(BIN)/fileroot fileroot.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/fileroot fileroot.c

 filext: filext.c

-	$(CC) $(CFLAGS) -o $(BIN)/filext filext.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/filext filext.c

 fixpix: fixpix.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/fixpix fixpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/fixpix fixpix.c $(LIBS)

 getcol: getcol.c $(LIBWCS) libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/getcol getcol.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/getcol getcol.c $(LIBS)

 getdate: getdate.c $(LIBWCS) libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/getdate getdate.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/getdate getdate.c $(LIBS)

 gethead: gethead.c $(LIBWCS) libwcs/wcs.h libwcs/fitsfile.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/gethead gethead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/gethead gethead.c $(LIBS)

 getfits: getfits.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/getfits getfits.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/getfits getfits.c $(LIBS)

 getpix: getpix.c $(LIBWCS) libwcs/wcs.h libwcs/fitsfile.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/getpix getpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/getpix getpix.c $(LIBS)

 gettab: gettab.c $(LIBWCS) libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/gettab gettab.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/gettab gettab.c $(LIBS)

 httpget: httpget.c $(LIBWCS) libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/httpget httpget.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/httpget httpget.c $(LIBS)

 htmlsp: htmlsp.c

-	$(CC) $(CFLAGS) -o $(BIN)/htmlsp htmlsp.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/htmlsp htmlsp.c

 i2f: i2f.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/i2f i2f.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/i2f i2f.c $(LIBS)

 imcat: imcat.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/imcat imcat.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imcat imcat.c $(LIBS)

 imfill: imfill.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/imfill imfill.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imfill imfill.c $(LIBS)

 imresize: imresize.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/imresize imresize.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imresize imresize.c $(LIBS)

 imsmooth: imsmooth.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/imsmooth imsmooth.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imsmooth imsmooth.c $(LIBS)

 imhead: imhead.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/imhead imhead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imhead imhead.c $(LIBS)

 imrot: imrot.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/imrot imrot.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imrot imrot.c $(LIBS)

 imsize: imsize.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/imsize imsize.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imsize imsize.c $(LIBS)

 imstack: imstack.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/imstack imstack.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imstack imstack.c $(LIBS)

 imextract: imextract.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/imextract imextract.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imextract imextract.c $(LIBS)

 imstar: imstar.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h libwcs/lwcs.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/imstar imstar.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imstar imstar.c $(LIBS)

 isfile: isfile.c $(LIBWCS) libwcs/fitshead.h

-	$(CC) $(CFLAGS) -o $(BIN)/isfile isfile.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/isfile isfile.c $(LIBS)

 isfits: isfits.c $(LIBWCS) libwcs/fitshead.h

-	$(CC) $(CFLAGS) -o $(BIN)/isfits isfits.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/isfits isfits.c $(LIBS)

 isnum: isnum.c $(LIBWCS) libwcs/fitshead.h

-	$(CC) $(CFLAGS) -o $(BIN)/isnum isnum.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/isnum isnum.c $(LIBS)

 isimlist: isimlist.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/isimlist isimlist.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/isimlist isimlist.c $(LIBS)

 isrange: isrange.c

-	$(CC) $(CFLAGS) -o $(BIN)/isrange isrange.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/isrange isrange.c

 imwcs: imwcs.c $(LIBWCS) libwcs/fitsfile.h libwcs/lwcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/imwcs imwcs.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/imwcs imwcs.c $(LIBS)

 immatch: immatch.c $(LIBWCS) libwcs/fitsfile.h libwcs/lwcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/immatch immatch.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/immatch immatch.c $(LIBS)

 immwcs: immwcs.c $(LIBWCS) libwcs/fitsfile.h libwcs/lwcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/immwcs immwcs.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/immwcs immwcs.c $(LIBS)

 keyhead: keyhead.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/keyhead keyhead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/keyhead keyhead.c $(LIBS)

 matchcat: matchcat.c $(LIBWCS) libwcs/wcscat.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/matchcat matchcat.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/matchcat matchcat.c $(LIBS)

 newfits: newfits.c $(LIBWCS) libwcs/fitshead.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/newfits newfits.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/newfits newfits.c $(LIBS)

 remap: remap.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/remap remap.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/remap remap.c $(LIBS)

 scat: scat.c $(LIBWCS) libwcs/wcscat.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/scat scat.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/scat scat.c $(LIBS)

 sethead: sethead.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcs.h

-	$(CC) $(CFLAGS) -o $(BIN)/sethead sethead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/sethead sethead.c $(LIBS)

 setpix: setpix.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/setpix setpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/setpix setpix.c $(LIBS)

 sky2xy: sky2xy.c $(LIBWCS) libwcs/wcs.h libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/sky2xy sky2xy.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/sky2xy sky2xy.c $(LIBS)

 skycoor: skycoor.c $(LIBWCS) libwcs/wcs.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/skycoor skycoor.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/skycoor skycoor.c $(LIBS)

 sp2char: sp2char.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/sp2char sp2char.c $(LIBWCS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/sp2char sp2char.c $(LIBWCS)

 subpix: subpix.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/subpix subpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/subpix subpix.c $(LIBS)

 sumpix: sumpix.c $(LIBWCS) libwcs/fitsfile.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/sumpix sumpix.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/sumpix sumpix.c $(LIBS)

 wcshead: wcshead.c $(LIBWCS) libwcs/fitsfile.h

-	$(CC) $(CFLAGS) -o $(BIN)/wcshead wcshead.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/wcshead wcshead.c $(LIBS)

 xy2sky: xy2sky.c $(LIBWCS) libwcs/wcs.h libwcs/wcscat.h

-	$(CC) $(CFLAGS) -o $(BIN)/xy2sky xy2sky.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/xy2sky xy2sky.c $(LIBS)

-simpos: simpos.c libwcs/libwcs.a

-	$(CC) $(CFLAGS) -o $(BIN)/simpos simpos.c $(LIBS)

+simpos: simpos.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/simpos simpos.c $(LIBS)

 gsc2cat: gsc2cat.c $(LIBWCS)

-	$(CC) $(CFLAGS) -o $(BIN)/gsc2cat gsc2cat.c $(LIBS)

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/gsc2cat gsc2cat.c $(LIBS)

 tmcat: tmcat.c

-	$(CC) $(CFLAGS) -o $(BIN)/tmcat tmcat.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/tmcat tmcat.c

 tmcate: tmcate.c

-	$(CC) $(CFLAGS) -o $(BIN)/tmcate tmcate.c

+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $(BIN)/tmcate tmcate.c

 $(LIBWCS): libwcs/*.c libwcs/*.h

-	cd libwcs; make

+	$(MAKE) CC=$(CC) -C libwcs

 objclean:

-	cd libwcs; make clean

+	$(MAKE) -C libwcs clean

 binclean:

 	rm -f ./bin/*

-clean:

+clean: objclean binclean

 	make objclean; make binclean