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Full Discussion: Problems while linking Fortran program (-> undefined reference to...)
Top Forums Programming Problems while linking Fortran program (-> undefined reference to...) Post 302363087 by Dynamo on Monday 19th of October 2009 10:44:26 AM
Old 10-19-2009
Problems while linking Fortran program (-> undefined reference to...)
Hello,

we are a group of students (mechanical engineering) who are trying to port UNIX-software to a PC Linux system during a study project. The first goals were achieved: compiling the Fortran code and creating object files. However, we encounter errors during the linking process.

This is the command we used (g77 is the Fortran77-compiler provided in gcc):

Code:
g77 -o taurus *.o ../diglib/diglib.a -lX11

And this is what the bash answered us:

Code:
exita.o: In function `exita_':
exita.f:(.text+0x23): undefined reference to `ieee_handler__'
getply.o: In function `getply_':
getply.f:(.text+0x6c): undefined reference to `rshift_'
getply.f:(.text+0xa9): undefined reference to `rshift_'
getply.f:(.text+0xe0): undefined reference to `rshift_'
getply.f:(.text+0x118): undefined reference to `rshift_'
getply.f:(.text+0x157): undefined reference to `rshift_'
getply.f:(.text+0x20b): undefined reference to `iabs_'
getply.f:(.text+0x490): undefined reference to `rshift_'
getply.f:(.text+0x4de): undefined reference to `rshift_'
getply.f:(.text+0x52c): undefined reference to `rshift_'
gettvm.o: In function `gettvm_':
gettvm.f:(.text+0xc0): undefined reference to `min0_'
ioset.o: In function `ioset_':
ioset.f:(.text+0x33): undefined reference to `gdx11_set_extend__'
pictur.o: In function `pictur_':
pictur.f:(.text+0x4957): undefined reference to `getinfo_'
pictur.f:(.text+0x499a): undefined reference to `getinfo_'
savply.o: In function `savply_':
savply.f:(.text+0x8b): undefined reference to `min_'
savply.f:(.text+0xb0): undefined reference to `max_'
savply.f:(.text+0xd5): undefined reference to `min_'
savply.f:(.text+0xfa): undefined reference to `max_'
savply.f:(.text+0x11f): undefined reference to `min_'
savply.f:(.text+0x1bc): undefined reference to `abs_'
savply.f:(.text+0x1d4): undefined reference to `max_'
savply.f:(.text+0x1eb): undefined reference to `min_'
savply.f:(.text+0x208): undefined reference to `min_'
savply.f:(.text+0x221): undefined reference to `max_'
savply.f:(.text+0x23a): undefined reference to `min_'
savply.f:(.text+0x253): undefined reference to `max_'
savply.f:(.text+0x2b8): undefined reference to `lshift_'
savply.f:(.text+0x2cd): undefined reference to `lshift_'
savply.f:(.text+0x2ee): undefined reference to `lshift_'
savply.f:(.text+0x345): undefined reference to `lshift_'
savply.f:(.text+0x3d4): undefined reference to `lshift_'
savply.o:savply.f:(.text+0x3e9): more undefined references to `lshift_' follow
taurus.o: In function `MAIN__':
taurus.f:(.text+0xc): undefined reference to `abrupt_underflow__'
taurus.f:(.text+0x26): undefined reference to `ieee_handler__'
taurus.f:(.text+0x232): undefined reference to `ieee_handler__'
collect2: ld returned 1 exit status

We presume that we need further libraries in order to successfully link the program, unfortunately we are no programmers and thus do not know which libraries could solve the problems.
Any help would be very much appreciated.

Kind regards,
Dynamo
 

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LEARN ABOUT DEBIAN

plmtex

PLMTEX(3plplot) 						    PLplot API							   PLMTEX(3plplot)

NAME

       plmtex - Write text relative to viewport boundaries

SYNOPSIS

       plmtex(side, disp, pos, just, text)

DESCRIPTION

       Writes  text  at  a  specified  position  relative  to the viewport boundaries.	Text may be written inside or outside the viewport, but is
       clipped at the subpage boundaries.  The reference point of a string lies along a line passing through the string at half the  height  of  a
       capital	letter.   The position of the reference point along this line is determined by just, and the position of the reference point rela-
       tive to the viewport is set by disp and pos.

       Redacted form:  General: plmtex(side, disp, pos, just, text) Perl/PDL: plmtex(disp, pos, just, side, text)

       This function is used in examples 3,4,6-8,11,12,14,18,23,26.

ARGUMENTS

       side (const char *, input)
	      Specifies the side of the viewport along which the text is to be written. The string must be one of: b:  Bottom  of  viewport,  text
	      written parallel to edge.  bv: Bottom of viewport, text written at right angles to edge.	l: Left of viewport, text written parallel
	      to edge.	lv: Left of viewport, text written at right angles to edge.  r: Right of viewport, text written  parallel  to  edge.   rv:
	      Right  of  viewport, text written at right angles to edge.  t: Top of viewport, text written parallel to edge.  tv: Top of viewport,
	      text written at right angles to edge.

       disp (PLFLT, input)
	      Position of the reference point of string, measured outwards from the specified viewport edge in	units  of  the	current  character
	      height.  Use negative disp to write within the viewport.

       pos (PLFLT, input)
	      Position of the reference point of string along the specified edge, expressed as a fraction of the length of the edge.

       just (PLFLT, input)
	      Specifies  the  position	of  the  string  relative  to  its reference point.  If just=0., the reference point is at the left and if
	      just=1., it is at the right of the string.  Other values of just give intermediate justifications.

       text (const char *, input)
	      The string to be written out.

AUTHORS

       Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot.  This man page was automatically generated from the DocBook  source  of  the
       PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere.

SEE ALSO

       PLplot documentation at http://plplot.sourceforge.net/resources.

								   August, 2012 						   PLMTEX(3plplot)
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