[Bug-glpk] can't compile glpk 4.12

[Davide Madrisan]

I all.

I've got some trouble compiling glpk 4.12 on a Linux box.
These are the error messages displayed by make:

make[1]: Entering directory `/usr/src/RPM/BUILD/glpk-4.12/examples'
gcc -DPACKAGE=\"GLPK\" -DVERSION=\"4.12\" -DHAVE_LIBM=1 -DSTDC_HEADERS=1  -I. 
-I.  -I../include    -O2 -fomit-frame-pointer -pipe -march=i586 
-mtune=pentiumpro -c 
glpsol.c
gcc  -O2 -fomit-frame-pointer -pipe -march=i586 -mtune=pentiumpro  -o glpsol  
glpsol.o ../src/libglpk.a -lgmp
../src/libglpk.a(glplpx4.o): In function `gm_scal':
glplpx4.c:(.text+0x5d6): undefined reference to `sqrt'
glplpx4.c:(.text+0x842): undefined reference to `sqrt'
../src/libglpk.a(glpipm.o): In function `glp_ipm_main':
glpipm.c:(.text+0xdb8): undefined reference to `sqrt'
glpipm.c:(.text+0x1b6c): undefined reference to `sqrt'
glpipm.c:(.text+0x1bbf): undefined reference to `sqrt'
../src/libglpk.a(glpipm.o):glpipm.c:(.text+0x1c9c): more undefined references 
to `sqrt' follow


This patch solves the problem to me:

--- configure.in.orig   2006-11-09 09:43:01.000000000 +0100
+++ configure.in        2006-11-09 09:43:15.000000000 +0100
@@ -21,7 +21,7 @@
 sed -e 's/#undef GLP_USE_GMP/#define GLP_USE_GMP/' \
        ./include/glpcfg.hin > ./include/glpcfg.h
 rm -f ./include/glpcfg.hin
-LIBS="-lgmp"
+LIBS="-lgmp -lm"
 else
 echo "*** WARNING ***"
 echo "To attain a much better performance on using exact arithmetic"


Some platform infos:

$ uname -a
Linux zeus 2.6.17smp #1 SMP Wed Sep 6 10:36:01 CEST 2006 i686 pentium4 i386 
GNU/Linux

$ gcc --version
gcc (GCC) 4.0.2
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ make --version
GNU Make 3.81
Copyright (C) 2006  Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

This program built for i586-qilinux-linux-gnu

$ rpm -q glibc
glibc-2.4-3qilnx.i586

address@hidden SPECS]$ rpm -q libgmp
libgmp-4.2.1-1qilnx.i586


#include <best/regards.h>
---
Davide Madrisan 
QiLinux Developer -- http://www.qilinux.org
PGP keyID: 0x4B72B0B9 fp: 2B79 BFF1 EE33 EE8C 3258 E43C CDA8 EFF3 4B72 B0B9
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