-_cflags=${CFLAGS}
-AC_IEEE([out of the box], works, , , ,
- [CFLAGS="$_cflags -ieee"
- AC_IEEE([with the -ieee switch], switch, , , ,
- [CFLAGS="$_cflags -qfloat=nofold"
- AC_IEEE([with the -qfloat=nofold switch], nofold, , , ,
- [CFLAGS="$_cflags -w -qflttrap=enable:zerodivide"
- AC_IEEE([with the -w -qflttrap=enable:zerodivide], flttrap, , , ,
- [CFLAGS="$_cflags -mieee"
- AC_IEEE([with the -mieee switch], mswitch, , , ,
- [CFLAGS="$_cflags -q float=rndsngl"
- AC_IEEE([with the -q float=rndsngl switch], qswitch, , , ,
- [CFLAGS="$_cflags -OPT:IEEE_NaN_inf=ON"
- AC_IEEE([with the -OPT:IEEE_NaN_inf=ON switch], ieeenaninfswitch, , , ,
- [CFLAGS="$_cflags -OPT:IEEE_comparisons=ON"
- AC_IEEE([with the -OPT:IEEE_comparisons=ON switch], ieeecmpswitch, , , ,
- [CFLAGS=$_cflags
- AC_IEEE([with fpsetmask(0)], mask,
- [#include <floatingpoint.h>], [fpsetmask(0)],
- [AC_DEFINE(MUST_DISABLE_FPMASK)
- PERLFLAGS="CCFLAGS=-DMUST_DISABLE_FPMASK"],
- [AC_IEEE([with signal(SIGFPE,SIG_IGN)], sigfpe,
- [#include <signal.h>], [signal(SIGFPE,SIG_IGN)],
- [AC_DEFINE(MUST_DISABLE_SIGFPE)
- PERLFLAGS="CCFLAGS=-DMUST_DISABLE_SIGFPE"],
- AC_MSG_ERROR([
-Your Compiler does not do propper IEEE math ... Please find out how to
-make IEEE math work with your compiler and let me know (oetiker@ee.ethz.ch).
-Check config.log to see what went wrong ...
-]))])])])])])])])])])
+AC_SUBST(PERL_MAKE_OPTIONS)
+AC_SUBST(PERL)
+AC_SUBST(COMP_PERL)
+AC_SUBST(PERL_VERSION)
+
+AC_ARG_ENABLE(tcl,[ --disable-tcl do not build the tcl modules],
+[],[enable_tcl=yes])
+
+if test "$enable_tcl" = "yes"; then
+ dnl Check for Tcl.
+ withval=""
+ AC_ARG_WITH(tcllib,[ --with-tcllib=DIR location of the tclConfig.sh])
+ enable_tcl=no
+ for dir in $withval /usr/lib /usr/local/lib; do
+ AC_MSG_CHECKING(for tclConfig.sh in $dir)
+ if test -f "$dir/tclConfig.sh" ; then
+ tcl_config=$dir/tclConfig.sh
+ enable_tcl=yes
+ AC_MSG_RESULT(yes)
+ break
+ else
+ AC_MSG_RESULT(no)
+ fi
+ done