--- configure.ac	2012-10-24 09:29:55.240498786 -0700
+++ configure.ac.2	2012-10-30 15:07:27.172846300 -0700
@@ -1285,46 +1285,7 @@
 done
 test $BUILD_factory = yes && BUILTLIBS="$SINGULARLIBS $BUILTLIBS"
 
-# we need to do the fortran library testing last, in case AC_SEARCH_LIBS adds
-# one of them to $LIBS, making it impossible to check for the presence of C or
-# C++ libraries.  (I'm not sure why putting -llapack on the gcc command line
-# needlessly causes the library to be linked against.)
-FORTRANUSED=no
-if test "$LAPACK" = yes
-then AC_MSG_CHECKING([whether the vecLib framework is available])
-     SAVELIBS=$LIBS LIBS="-framework vecLib $LIBS"
-     AC_LANG(C)
-     AC_LINK_IFELSE(
-	 [AC_LANG_PROGRAM(,[sgemv_();dgetrf_();])],
-	 [
-	     AC_MSG_RESULT(yes)
-	     ],
-	 [
-	     AC_MSG_RESULT(no)
-	     LIBS=$SAVELIBS
-	     FORTRANUSED=yes
-	     if test $BUILD_lapack = no
-	     then AC_LANG(Fortran)
-	     	  if test "$FC" = ""
-		  then AC_MSG_ERROR(no fortran compiler found)
-		  else AC_MSG_NOTICE(using fortran compiler $FC)
-		  fi
-		  AC_SEARCH_LIBS(sgemv,blas f77blas,,BUILD_lapack=yes)
-		  AC_SEARCH_LIBS(dgetrf,lapack,,BUILD_lapack=yes)
-	     fi
-	 ])
-fi
-test $BUILD_lapack = yes && BUILTLIBS="-llapack -lblas $BUILTLIBS"
-
-if test $BUILD_lapack = yes
-then # test whether the fortran compiler can handle lapack, which, starting with
-     # version 3.2, requires fortran 90, not fortran 77
-    AC_LANG(Fortran)
-    AC_MSG_CHECKING([whether the fortran compiler is modern enough for lapack])
-    AC_COMPILE_IFELSE([instrinsic maxloc],
-	AC_MSG_ERROR(the fortran compiler ($FC) does not support the Fortran 90 language required for compiling lapack),
-	AC_MSG_RESULT(yes))
-fi
+BUILTLIBS="$(${PKG_CONFIG} --libs lapack) $BUILTLIBS"
 
 if test $BUILD_memtailor = yes
 then BUILTLIBS="-lmemtailor $BUILTLIBS"