dnl not used, don't export to save symbols
dnl AC_SUBST(TK_EXEC_PREFIX)
+ AC_SUBST(TK_BUILD_INCLUDES)
AC_SUBST(TK_XINCLUDES)
AC_SUBST(TK_XLIBSW)
AC_SUBST(TK_BUILD_LIB_SPEC)
AC_SUBST(TK_LIB_SPEC)
])
+
+# check for Itcl headers.
+
+AC_DEFUN(CY_AC_PATH_ITCLH, [
+AC_MSG_CHECKING(for Itcl private headers. srcdir=${srcdir})
+if test x"${ac_cv_c_itclh}" = x ; then
+ for i in ${srcdir}/../itcl ${srcdir}/../../itcl ${srcdir}/../../../itcl ; do
+ if test -f $i/src/itcl.h ; then
+ ac_cv_c_itclh=`(cd $i/src; pwd)`
+ break
+ fi
+ done
+fi
+if test x"${ac_cv_c_itclh}" = x ; then
+ ITCLHDIR="# no Itcl private headers found"
+ AC_MSG_ERROR([Can't find Itcl private headers])
+fi
+if test x"${ac_cv_c_itclh}" != x ; then
+ ITCLHDIR="-I${ac_cv_c_itclh}"
+fi
+# should always be here
+ ITCLLIB="../itcl/src/libitcl.a"
+AC_SUBST(ITCLHDIR)
+AC_SUBST(ITCLLIB)
+])
+
+# check for Tix headers.
+
+AC_DEFUN(CY_AC_PATH_TIX, [
+AC_MSG_CHECKING(for Tix private headers. srcdir=${srcdir})
+if test x"${ac_cv_c_tixh}" = x ; then
+ for i in ${srcdir}/../tix ${srcdir}/../../tix ${srcdir}/../../../tix ; do
+ if test -f $i/generic/tix.h ; then
+ ac_cv_c_tixh=`(cd $i/generic; pwd)`
+ break
+ fi
+ done
+fi
+if test x"${ac_cv_c_tixh}" = x ; then
+ TIXHDIR="# no Tix private headers found"
+ AC_MSG_ERROR([Can't find Tix private headers])
+fi
+if test x"${ac_cv_c_tixh}" != x ; then
+ TIXHDIR="-I${ac_cv_c_tixh}"
+fi
+AC_SUBST(TIXHDIR)
+])