Compiling error gcc/g77 - MinGW

[Jan Robbe <jan at robbe-online dot de>]

Hi,

i try to compile a code (XFoil) with gcc/g77 . O/S is Windows XP, using
MinGW as an environment.

I successfully compiled the library (libPlt.a) and the object files, but
when I come to the build of the exe, I have no luck. The following errors
occur when trying to compile xfoil

C:\XFOILC\bin>make xfoil
MAKE Version 5.2  Copyright (c) 1987, 2000 Borland
        g77 -o xfoil xfoil.o xpanel.o xoper.o xtcam.o xgdes.o xqdes.o
xmdes.o  xsolve.o xbl.o xblsys
.o xpol.o xplots.o pntops.o xgeom.o xutils.o modify.o  blplot.o
polplt.o aread.o naca.o spline.o plu
til.o iopol.o gui.o sort.o  dplot.o profil.o userio.o frplot0.o ../
plotlib/libPlt.a
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x118): undefined reference to
`XWarpPointer'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x12f): undefined reference to
`XNextEvent'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x140): undefined reference to
`XPending'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x167): undefined reference to
`XWindowEvent'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x1ad): undefined reference to
`XLookupString'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x1de): undefined reference to
`XSetInputFocus'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x23f): undefined reference to
`XChangeGC'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x2a8): undefined reference  to
`XChangeGC'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x309): undefined reference to
`XSetDashes'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x329): undefined reference to
`XSetLineAttributes'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x373): undefined reference to
`XDrawString'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x39f): undefined reference to
`XFreeColors'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x3ed): undefined reference to
`XAllocColor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x459): undefined reference to
`XParseColor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x50a): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x532): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x5c9): undefined reference to
`XFillPolygon'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x682): undefined reference to
`XDrawLines'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x6fd): undefined reference to
`XCreatePixmap'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x71c): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x746): undefined reference to
`XFillRectangle'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x760): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x7a1): undefined reference to
`XDrawLine'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x7c9): undefined reference to
`XFlush'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x7ff): undefined reference to
`XCopyArea'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x823): undefined reference to
`XDestroyWindow'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x83f): undefined reference to
`XFreeCursor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x852): undefined reference to
`XFreeGC'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x86d): undefined reference to
`XFreePixmap'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x87e): undefined reference to
`XCloseDisplay'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x8a5): undefined reference to
`XGetWindowAttributes'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x8e5): undefined reference to
`XQueryTree'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x8ff): undefined reference to
`XFree'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x92c): undefined reference to
`XGetWindowAttributes'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x963): undefined reference to
`XNextEvent '
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x974): undefined reference to
`XPending'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x99b): undefined reference to
`XResizeWindow'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x9ae): undefined reference to
`XMapRaised'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0x9ba): undefined reference to
`XFlush'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xa0e): undefined reference to
`XFreePixmap'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xa32): undefined reference to
`XCreatePixmap'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xa67): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xa91): undefined reference to
`XFillRectangle'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xaab): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xae3): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xb0d): undefined reference to
`XFillRectangle'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xb27): undefined reference to
`XSetForeground'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xb3b): undefined reference to
`XClearWindow'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xc28): undefined reference to
`XCreateWindow'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xc8a): undefined reference to
`XSetNormalHints'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xcac): undefined reference to
`XSetStandardProperties'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xcd4): undefined reference to
`XQueryColor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xcec): undefined reference to
`XQueryColor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xd0b): undefined reference to
`XCreateBitmapFromData'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xd2a): undefined reference to
`XCreatePixmapCursor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xd4a): undefined reference to
`XDefineCursor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xd5d): undefined reference to
`XRecolorCursor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xdd9): undefined reference to
`XCreateGC'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xdf0): undefined reference to
`XLoadFont'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xe05): undefined reference to
`XSetFont'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xe18): undefined reference to
`XMapWindow'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xe33): undefined reference to
`XNextEvent'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xe68): undefined reference to
`XCreateFontCursor'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xf10): undefined reference to
`XOpenDisplay'
../plotlib/libPlt.a(Xwin.o):Xwin.c:(.text+0xf2e): undefined reference to
`XGetInputFocus'
collect2: ld returned 1 exit status

** error 1 ** deleting xfoil

I suppose I am missing a library or something. Does anybody has an
idea what goes wrong? The path to the X11 (X-Window) libraries ist set
in the environment variables. Maybe, the X11 libs are not complete?
When compiling Xwin.c during the creation libPlt.a everything worked
fine since the X11 libs, which were required by Xwin.c (Xlib.h,
cursorfont.h, ..), could obviously be found.

Thank you for your help in advance!

Regards,
Jan 
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