MSVC patch: define '-g' conditionally

[Michael Goffioul]

This patch adds '-g' flags to linker only when really needed.

Michael.

Index: configure.in
===================================================================
RCS file: /cvs/octave/configure.in,v
retrieving revision 1.567
diff -c -p -r1.567 configure.in
*** configure.in        13 Jun 2007 22:22:52 -0000      1.567
--- configure.in        13 Jul 2007 13:32:21 -0000
*************** case "$canonical_host_type" in
*** 1135,1141 ****
     library_path_var=PATH
   ;;
   *-*-msdosmsvc)
!     DL_LDFLAGS="-shared -g"
     CPICFLAG=
     CXXPICFLAG=
     FPICFLAG=
--- 1135,1141 ----
     library_path_var=PATH
   ;;
   *-*-msdosmsvc)
!     DL_LDFLAGS="-shared"
     CPICFLAG=
     CXXPICFLAG=
     FPICFLAG=
*************** case "$canonical_host_type" in
*** 1143,1149 ****
     SHLLIB=lib
     SHLBIN=dll
     LIBPRE=
!     SH_LDFLAGS="-shared -g"
     NO_OCT_FILE_STRIP=true
     library_path_var=PATH
     NO_OCT_FILE_STRIP=true
--- 1143,1153 ----
     SHLLIB=lib
     SHLBIN=dll
     LIBPRE=
!     SH_LDFLAGS="-shared"
!       if test ! -z "`echo $CFLAGS | grep -e '-g'`"; then
!       DL_LDFLAGS="$DL_LDFLAGS -g"
!       SH_LDFLAGS="$SH_LDFLAGS -g"
!     fi
     NO_OCT_FILE_STRIP=true
     library_path_var=PATH
     NO_OCT_FILE_STRIP=true