Package 'lapack' is not installing correctly using setup

[Chloe]

After installing lapack and trying to build gretl, it fails one of the tests 
and things lapack is not installed. (Ignore the lapack-3.4.0 path - I 
attempted to work around the problem with the latest version.)

This show lapack installed
---------------------------
Chloe@dumbopc ~/lapack-3.4.0
$ pkg-config --modversion lapack
3.2.1

Chloe@dumbopc ~/lapack-3.4.0
$ cat /usr/lib/pkgconfig/lapack.pc
prefix=/usr
exec_prefix=/usr
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: lapack
Description: Linear Algebra PACKage FORTRAN 77 reference implementation
Version: 3.2.1
Requires: blas
URL: http://www.netlib.org/lapack/
Libs: -llapack

Chloe@dumbopc ~/lapack-3.4.0
$ cat /usr/lib/pkgconfig/blas.pc
prefix=/usr
exec_prefix=/usr
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: lapack
Description: Basic Linear Algebra Subprograms F77 reference implementations
Version: 3.2.1
URL: http://www.netlib.org/blas
Libs: -lblas
Libs.private: -lm
---------------------------------------


This is the error message in the log when trying to configure for gretl.
-----------------------------------------------------------
configure:16010: checking for LAPACK
configure:16044: gcc -o conftest.exe -I./lib/src -g -O2 
  conftest.c -L/usr/lib -llapack -lblas -lgfortran -lc -lc -lm  >&5
configure:16044: $? = 0
configure:16044: ./conftest.exe
/home/Chloe/gretl-1.9.7/conftest.exe: error while loading shared libraries: 
cyglapack-0.dll: cannot open shared object file: No such file or directory
configure:16044: $? = 127
configure: program exited with status 127


-----------------------------------------------------------

List of lapack libraries
--------------------------
$ ls -l /usr/lib/*lapack*
-rwxr-xr-x  1 Chloe None  4193294 Mar 29  2011 /usr/lib/cyglapack-0.dll
-rw-r--r--  1 Chloe root 13256970 Mar 29  2011 /usr/lib/liblapack.a
-rwxr-xr-x  1 Chloe root   868430 Mar 29  2011 /usr/lib/liblapack.dll.a
-rwxr-xr-x  1 Chloe root      927 Mar 29  2011 /usr/lib/liblapack.la

/usr/lib/lapack:
total 4488
-rwxr-xr-x 1 Chloe root  400910 Mar 29  2011 cygblas-0.dll
-rwxr-xr-x 1 Chloe root 4193294 Mar 29  2011 cyglapack-0.dll
--------------------------


Version
--------
$ uname -a
CYGWIN_NT-5.1 dumbopc 1.7.11(0.260/5/3) 2012-02-24 14:05 i686 Cygwin
--------


To reproduce, build gretl: http://gretl.sourceforge.net/




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