[Bug-glpk] link time errors for GLPK 4.33

[Robbie Morrison]

Hello Andrew and other API users

I am having trouble linking against my new build of
GLPK 4.33.  This is somewhat puzzling as my build
process is the same as always.  First, my config
options are:

  $ ./configure --disable-shared --with-gmp

After installing, I get:

  $ glpsol --version
  GLPSOL: GLPK LP/MIP Solver 4.33

  $ which glpsol
  /usr/local/bin/glpsol

But when I try to link against my application (actually
a unit test in this case) I find:

  /usr/local/lib/libglpk.a(glpapi07.o): In function `set_d_eps':
  /home/robbie/glpk-4.33/src/glpapi07.c:110: undefined reference to 
`__gmpq_init'
  /home/robbie/glpk-4.33/src/glpapi07.c:111: undefined reference to 
`__gmpq_set_d'
  /home/robbie/glpk-4.33/src/glpapi07.c:112: undefined reference to 
`__gmpq_set_d'
  /home/robbie/glpk-4.33/src/glpapi07.c:113: undefined reference to `__gmpq_div'
  ...
  /home/robbie/glpk-4.33/src/glplux.c:67: undefined reference to `__gmpq_set_si'
  collect2: ld returned 1 exit status
  make: *** [d/siglp] Error 1

Adding the options "-Wl,--rpath -Wl,/usr/local/lib" to
the link call makes no difference (as suggested by the
GLPK install script):

  $ g++ -Wl,--rpath -Wl,/usr/local/lib -o <object files> <boost libs> -lglpk

I haven't invested a lot of time in troubleshooting
because I was hoping there might be a simple
explanation.

cheers and many thanks in advance, Robbie
---
Robbie Morrison
PhD student -- policy-oriented energy system simulation
Technical University of Berlin (TU-Berlin), Germany
University email (redirected) : address@hidden
Webmail (preferred)           : address@hidden
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