*** empty log message ***

configure

@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX CPP RANLIB ac_ct_RANLIB AR FLTKCONFIG CXXCPP EGREP UNAME FLAGS OPTIM LINKER GMSH_DIRS GMSH_LIBS POSTBUILD LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX CPP RANLIB ac_ct_RANLIB AR FLTKCONFIG F77 FFLAGS ac_ct_F77 CXXCPP EGREP UNAME FLAGS OPTIM LINKER GMSH_DIRS GMSH_LIBS POSTBUILD LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -778,6 +778,14 @@ ac_env_CPP_set=${CPP+set}
 ac_env_CPP_value=$CPP
 ac_cv_env_CPP_set=${CPP+set}
 ac_cv_env_CPP_value=$CPP
+ac_env_F77_set=${F77+set}
+ac_env_F77_value=$F77
+ac_cv_env_F77_set=${F77+set}
+ac_cv_env_F77_value=$F77
+ac_env_FFLAGS_set=${FFLAGS+set}
+ac_env_FFLAGS_value=$FFLAGS
+ac_cv_env_FFLAGS_set=${FFLAGS+set}
+ac_cv_env_FFLAGS_value=$FFLAGS
 ac_env_CXXCPP_set=${CXXCPP+set}
 ac_env_CXXCPP_value=$CXXCPP
 ac_cv_env_CXXCPP_set=${CXXCPP+set}
@@ -891,6 +899,8 @@ Optional Packages:
   --with-med-prefix=PFX   prefix where OpenCascade is installed
   --with-fftw3-prefix=PFX prefix where FFTW3 is installed
   --with-fm-prefix=PFX    prefix where FourierModel is installed
+  --with-blas-lapack-prefix=PFX
+                          prefix where BLAS and LAPACK are installed
 
 Some influential environment variables:
   CC          C compiler command
@@ -902,6 +912,8 @@ Some influential environment variables:
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
   CPP         C preprocessor
+  F77         Fortran 77 compiler command
+  FFLAGS      Fortran 77 compiler flags
   CXXCPP      C++ preprocessor
 
 Use these variables to override the choices made by `configure' or to help
@@ -1416,6 +1428,12 @@ if test "${with_fm_prefix+set}" = set; then
   FM_PREFIX=$withval
 fi;
 
+# Check whether --with-blas-lapack-prefix or --without-blas-lapack-prefix was given.
+if test "${with_blas_lapack_prefix+set}" = set; then
+  withval="$with_blas_lapack_prefix"
+  BLAS_LAPACK_PREFIX=$withval
+fi;
+
 # Check whether --enable-gsl or --disable-gsl was given.
 if test "${enable_gsl+set}" = set; then
   enableval="$enable_gsl"
@@ -4687,32 +4705,314 @@ fi
   fi
 fi
 
-if test "x$enable_fm" != "xno"; then
-  if test "x${FM_PREFIX}" != "x"; then
-    LDFLAGS="-L${FM_PREFIX}/lib ${LDFLAGS}"
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+
+if test "x${BLAS_LAPACK_PREFIX}" != "x"; then
+  LDFLAGS="-L${BLAS_LAPACK_PREFIX} -L${BLAS_LAPACK_PREFIX}/lib ${LDFLAGS}"
 fi
-  echo "$as_me:$LINENO: checking for main in -lFourierModel" >&5
-echo $ECHO_N "checking for main in -lFourierModel... $ECHO_C" >&6
-if test "${ac_cv_lib_FourierModel_main+set}" = set; then
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+  for ac_prog in g77 f77 xlf frt pgf77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 f95 fort xlf95 ifc efc pgf95 lf95 gfortran
+  do
+    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_F77+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$F77"; then
+  ac_cv_prog_F77="$F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_F77="$ac_tool_prefix$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+F77=$ac_cv_prog_F77
+if test -n "$F77"; then
+  echo "$as_me:$LINENO: result: $F77" >&5
+echo "${ECHO_T}$F77" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+    test -n "$F77" && break
+  done
+fi
+if test -z "$F77"; then
+  ac_ct_F77=$F77
+  for ac_prog in g77 f77 xlf frt pgf77 fort77 fl32 af77 f90 xlf90 pgf90 epcf90 f95 fort xlf95 ifc efc pgf95 lf95 gfortran
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_F77+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test -n "$ac_ct_F77"; then
+  ac_cv_prog_ac_ct_F77="$ac_ct_F77" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_exec_ext in '' $ac_executable_extensions; do
+  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_F77="$ac_prog"
+    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+done
+
+fi
+fi
+ac_ct_F77=$ac_cv_prog_ac_ct_F77
+if test -n "$ac_ct_F77"; then
+  echo "$as_me:$LINENO: result: $ac_ct_F77" >&5
+echo "${ECHO_T}$ac_ct_F77" >&6
+else
+  echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+  test -n "$ac_ct_F77" && break
+done
+
+  F77=$ac_ct_F77
+fi
+
+
+# Provide some information about the compiler.
+echo "$as_me:4808:" \
+     "checking for Fortran 77 compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+  (eval $ac_compiler --version </dev/null >&5) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+  (eval $ac_compiler -v </dev/null >&5) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+  (eval $ac_compiler -V </dev/null >&5) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }
+rm -f a.out
+
+# If we don't use `.F' as extension, the preprocessor is not run on the
+# input file.  (Note that this only needs to work for GNU compilers.)
+ac_save_ext=$ac_ext
+ac_ext=F
+echo "$as_me:$LINENO: checking whether we are using the GNU Fortran 77 compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU Fortran 77 compiler... $ECHO_C" >&6
+if test "${ac_cv_f77_compiler_gnu+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+      program main
+#ifndef __GNUC__
+       choke me
+#endif
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_compiler_gnu=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_compiler_gnu=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_f77_compiler_gnu=$ac_compiler_gnu
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_f77_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_f77_compiler_gnu" >&6
+ac_ext=$ac_save_ext
+ac_test_FFLAGS=${FFLAGS+set}
+ac_save_FFLAGS=$FFLAGS
+FFLAGS=
+echo "$as_me:$LINENO: checking whether $F77 accepts -g" >&5
+echo $ECHO_N "checking whether $F77 accepts -g... $ECHO_C" >&6
+if test "${ac_cv_prog_f77_g+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  FFLAGS=-g
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+
+      end
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_prog_f77_g=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_prog_f77_g=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_prog_f77_g" >&5
+echo "${ECHO_T}$ac_cv_prog_f77_g" >&6
+if test "$ac_test_FFLAGS" = set; then
+  FFLAGS=$ac_save_FFLAGS
+elif test $ac_cv_prog_f77_g = yes; then
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-g -O2"
+  else
+    FFLAGS="-g"
+  fi
+else
+  if test "x$ac_cv_f77_compiler_gnu" = xyes; then
+    FFLAGS="-O2"
+  else
+    FFLAGS=
+  fi
+fi
+
+G77=`test $ac_compiler_gnu = yes && echo yes`
+ac_ext=f
+ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
+ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_f77_compiler_gnu
+
+
+echo "$as_me:$LINENO: checking for dasum in -lblas" >&5
+echo $ECHO_N "checking for dasum in -lblas... $ECHO_C" >&6
+if test "${ac_cv_lib_blas_dasum+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lFourierModel  $LIBS"
+LIBS="-lblas  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
+      program main
+      call dasum
+      end
 _ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_f77_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_blas_dasum=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
+ac_cv_lib_blas_dasum=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_blas_dasum" >&5
+echo "${ECHO_T}$ac_cv_lib_blas_dasum" >&6
+if test $ac_cv_lib_blas_dasum = yes; then
+  BLAS="yes"
+else
+  BLAS="no"
+fi
 
-int
-main ()
-{
-main ();
-  ;
-  return 0;
-}
+echo "$as_me:$LINENO: checking for dbdsqr in -llapack" >&5
+echo $ECHO_N "checking for dbdsqr in -llapack... $ECHO_C" >&6
+if test "${ac_cv_lib_lapack_dbdsqr+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-llapack -lblas $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+      program main
+      call dbdsqr
+      end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
 if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
@@ -4723,7 +5023,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); } &&
-	 { ac_try='test -z "$ac_cxx_werror_flag"
+	 { ac_try='test -z "$ac_f77_werror_flag"
 			 || test ! -s conftest.err'
   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
   (eval $ac_try) 2>&5
@@ -4736,33 +5036,43 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_lib_FourierModel_main=yes
+  ac_cv_lib_lapack_dbdsqr=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-ac_cv_lib_FourierModel_main=no
+ac_cv_lib_lapack_dbdsqr=no
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_FourierModel_main" >&5
-echo "${ECHO_T}$ac_cv_lib_FourierModel_main" >&6
-if test $ac_cv_lib_FourierModel_main = yes; then
-  FM="yes"
+echo "$as_me:$LINENO: result: $ac_cv_lib_lapack_dbdsqr" >&5
+echo "${ECHO_T}$ac_cv_lib_lapack_dbdsqr" >&6
+if test $ac_cv_lib_lapack_dbdsqr = yes; then
+  LAPACK="yes"
 else
-  FM="no"
+  LAPACK="no"
 fi
 
-  if test "x${FM}" = "xyes"; then
-        echo "$as_me:$LINENO: checking for main in -llapack" >&5
-echo $ECHO_N "checking for main in -llapack... $ECHO_C" >&6
-if test "${ac_cv_lib_lapack_main+set}" = set; then
+ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+if test "x$enable_fm" != "xno"; then
+  if test "x${FM_PREFIX}" != "x"; then
+    LDFLAGS="-L${FM_PREFIX}/lib ${LDFLAGS}"
+  fi
+  echo "$as_me:$LINENO: checking for main in -lFourierModel" >&5
+echo $ECHO_N "checking for main in -lFourierModel... $ECHO_C" >&6
+if test "${ac_cv_lib_FourierModel_main+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-llapack  $LIBS"
+LIBS="-lFourierModel  $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -4801,28 +5111,29 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_lib_lapack_main=yes
+  ac_cv_lib_FourierModel_main=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-ac_cv_lib_lapack_main=no
+ac_cv_lib_FourierModel_main=no
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_lib_lapack_main" >&5
-echo "${ECHO_T}$ac_cv_lib_lapack_main" >&6
-if test $ac_cv_lib_lapack_main = yes; then
-  LAPACK="yes"
+echo "$as_me:$LINENO: result: $ac_cv_lib_FourierModel_main" >&5
+echo "${ECHO_T}$ac_cv_lib_FourierModel_main" >&6
+if test $ac_cv_lib_FourierModel_main = yes; then
+  FM="yes"
 else
-  LAPACK="no"
+  FM="no"
 fi
 
-    if test "x${LAPACK}" != "xyes"; then
-      { echo "$as_me:$LINENO: WARNING: Could not find lapack: disabling FourierModel." >&5
-echo "$as_me: WARNING: Could not find lapack: disabling FourierModel." >&2;}
+  if test "x${FM}" = "xyes"; then
+    if test "x${BLAS}" != "xyes" -o "x${LAPACK}" != "xyes"; then
+      { echo "$as_me:$LINENO: WARNING: Could not find blas or lapack: disabling FourierModel." >&5
+echo "$as_me: WARNING: Could not find blas or lapack: disabling FourierModel." >&2;}
     else
             if test "x${FFTW3_PREFIX}" != "x"; then
         LDFLAGS="-L${FFTW3_PREFIX}/lib ${LDFLAGS}"
@@ -4908,7 +5219,18 @@ echo "$as_me: WARNING: Could not find FFTW3: disabling FourierModel." >&2;}
           GMSH_LIBS="${GMSH_LIBS} -L${FFTW3_PREFIX}/lib -lfftw3"
           FLAGS="${FLAGS} -I${FFTW3_PREFIX}/include"
         fi
-        GMSH_LIBS="${GMSH_LIBS} -llapack"
+        if test "x${BLAS_LAPACK_PREFIX}" != "x"; then
+          GMSH_LIBS="${GMSH_LIBS} -L${BLAS_LAPACK_PREFIX} -L${BLAS_LAPACK_PREFIX}/lib"
+        fi
+        GMSH_LIBS="${GMSH_LIBS} -llapack -lblas"
+        case "${F77}" in
+          *gfortran*)
+            GMSH_LIBS="${GMSH_LIBS} -lgfortran"
+            ;;
+          *g77*)
+            GMSH_LIBS="${GMSH_LIBS} -lg2c"
+            ;;
+        esac
       fi
     fi
   fi
@@ -6716,6 +7038,9 @@ s,@RANLIB@,$RANLIB,;t t
 s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
 s,@AR@,$AR,;t t
 s,@FLTKCONFIG@,$FLTKCONFIG,;t t
+s,@F77@,$F77,;t t
+s,@FFLAGS@,$FFLAGS,;t t
+s,@ac_ct_F77@,$ac_ct_F77,;t t
 s,@CXXCPP@,$CXXCPP,;t t
 s,@EGREP@,$EGREP,;t t
 s,@UNAME@,$UNAME,;t t

configure.in

-dnl $Id: configure.in,v 1.130 2007-08-07 22:13:52 anand Exp $
+dnl $Id: configure.in,v 1.131 2007-08-08 16:14:17 anand Exp $
 dnl
 dnl Copyright (C) 1997-2007 C. Geuzaine, J.-F. Remacle
 dnl
@@ -77,6 +77,10 @@ AC_ARG_WITH(fm-prefix,
             AC_HELP_STRING([--with-fm-prefix=PFX],
                            [prefix where FourierModel is installed]),
             [FM_PREFIX=$withval])
+AC_ARG_WITH(blas-lapack-prefix,
+            AC_HELP_STRING([--with-blas-lapack-prefix=PFX],
+                           [prefix where BLAS and LAPACK are installed]),
+            [BLAS_LAPACK_PREFIX=$withval])
 
 dnl Parse '--enable' command line options
 AC_ARG_ENABLE(gsl,
@@ -600,6 +604,15 @@ if test "x$enable_occ" = "xyes"; then
   fi
 fi
 
+dnl Check for blas and lapack (used by FourierModel)
+AC_LANG_PUSH(Fortran 77)
+if test "x${BLAS_LAPACK_PREFIX}" != "x"; then
+  LDFLAGS="-L${BLAS_LAPACK_PREFIX} -L${BLAS_LAPACK_PREFIX}/lib ${LDFLAGS}"
+fi
+AC_CHECK_LIB(blas,dasum,BLAS="yes",BLAS="no")
+AC_CHECK_LIB(lapack,dbdsqr,LAPACK="yes",LAPACK="no",-lblas)
+AC_LANG_POP()
+
 dnl Check for FourierModel
 if test "x$enable_fm" != "xno"; then
   if test "x${FM_PREFIX}" != "x"; then
@@ -607,10 +620,8 @@ if test "x$enable_fm" != "xno"; then
   fi
   AC_CHECK_LIB(FourierModel,main,FM="yes",FM="no")
   if test "x${FM}" = "xyes"; then
-    dnl Check for lapack
-    AC_CHECK_LIB(lapack,main,LAPACK="yes",LAPACK="no")
-    if test "x${LAPACK}" != "xyes"; then
-      AC_MSG_WARN([Could not find lapack: disabling FourierModel.])
+    if test "x${BLAS}" != "xyes" -o "x${LAPACK}" != "xyes"; then
+      AC_MSG_WARN([Could not find blas or lapack: disabling FourierModel.])
     else
       dnl Check for FFTW3
       if test "x${FFTW3_PREFIX}" != "x"; then
@@ -633,7 +644,18 @@ if test "x$enable_fm" != "xno"; then
           GMSH_LIBS="${GMSH_LIBS} -L${FFTW3_PREFIX}/lib -lfftw3"
           FLAGS="${FLAGS} -I${FFTW3_PREFIX}/include"
         fi
-        GMSH_LIBS="${GMSH_LIBS} -llapack"
+        if test "x${BLAS_LAPACK_PREFIX}" != "x"; then
+          GMSH_LIBS="${GMSH_LIBS} -L${BLAS_LAPACK_PREFIX} -L${BLAS_LAPACK_PREFIX}/lib"
+        fi
+        GMSH_LIBS="${GMSH_LIBS} -llapack -lblas"
+        case "${F77}" in
+          *gfortran*)
+            GMSH_LIBS="${GMSH_LIBS} -lgfortran"
+            ;;
+          *g77*)
+            GMSH_LIBS="${GMSH_LIBS} -lg2c"
+            ;;
+        esac
       fi
     fi
   fi