[Bug-glpk] Make fails for GLPK 4.2 on a Red Hat 9 system

[Roberto Bagnara]

Here is the last part of the make log:

gcc -DPACKAGE=\"GLPK\" -DVERSION=\"4.2\" -DSTDC_HEADERS=1  -I. -I.  
-I../include    -g -O2 -c glpstr.c
gcc -DPACKAGE=\"GLPK\" -DVERSION=\"4.2\" -DSTDC_HEADERS=1  -I. -I.  
-I../include    -g -O2 -c glptsp.c
rm -f libglpk.a
ar cru libglpk.a glpavl.o glpchol.o glpdmp.o glphbsm.o glpies1.o glpies2.o 
glpies3.o glpiet.o glpinv.o glpios1.o glpios2.o glpios3.o glpipm.o glplib1a.o 
glplib1b.o glplib2.o glplib3.o glplib4.o glplpp1.o glplpp2.o glplpt.o glplpx1.o 
glplpx2.o glplpx3.o glplpx4.o glplpx5.o glplpx6a.o glplpx6b.o glplpx6c.o 
glplpx6d.o glplpx7.o glplpx8a.o glplpx8b.o glplpx8c.o glplpx8d.o glpluf.o 
glpmat.o glpmip1.o glpmpl1.o glpmpl2.o glpmpl3.o glpmpl4.o glpmps.o glpqmd.o 
glpspm.o glpspx1.o glpspx2.o glpstr.o glptsp.o
ranlib libglpk.a
make[1]: Leaving directory `/usr/local/distrib/glpk-4.2/src'
Making all in examples
make[1]: Entering directory `/usr/local/distrib/glpk-4.2/examples'
gcc -DPACKAGE=\"GLPK\" -DVERSION=\"4.2\" -DSTDC_HEADERS=1  -I. -I.  
-I../include    -g -O2 -c glpsol.c
gcc  -g -O2  -o glpsol  glpsol.o ../src/libglpk.a
../src/libglpk.a(glpmpl3.o)(.text+0x6e1): In function `glp_mpl_fp_power':
/usr/local/distrib/glpk-4.2/src/glpmpl3.c:174: undefined reference to `pow'
../src/libglpk.a(glpmpl3.o)(.text+0x6f4):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:176:
 undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x709):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:176:
 undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x736):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:172:
 undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x74b):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:172:
 undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x776):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:172:
 undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x787):/usr/local/distrib/glpk-4.2/src/glpmpl3.c:172:
 more undefined references to `log' follow
../src/libglpk.a(glpmpl3.o)(.text+0x871): In function `glp_mpl_fp_exp':
/usr/local/distrib/glpk-4.2/src/glpmpl3.c:186: undefined reference to `exp'
../src/libglpk.a(glpmpl3.o)(.text+0x8c9): In function `glp_mpl_fp_log':
/usr/local/distrib/glpk-4.2/src/glpmpl3.c:197: undefined reference to `log'
../src/libglpk.a(glpmpl3.o)(.text+0x919): In function `glp_mpl_fp_log10':
/usr/local/distrib/glpk-4.2/src/glpmpl3.c:208: undefined reference to `log10'
collect2: ld returned 1 exit status
make[1]: *** [glpsol] Error 1
make[1]: Leaving directory `/usr/local/distrib/glpk-4.2/examples'
make: *** [all-recursive] Error 1

Apparently a `-lm' is missing from the link command

    gcc  -g -O2  -o glpsol  glpsol.o ../src/libglpk.a

All the best,

    Roberto Bagnara

--
Prof. Roberto Bagnara
Computer Science Group
Department of Mathematics, University of Parma, Italy
http://www.cs.unipr.it/~bagnara/
mailto:address@hidden