-dnl Check that libplot is available.
-AC_DEFUN([PSPP_LIBPLOT],
-[
- AC_ARG_WITH(
- libplot,
- [AS_HELP_STRING([--without-libplot],
- [don't compile in support of charts (using libplot)])])
-
- if test x"$with_libplot" != x"no" ; then
- # Check whether we can link against libplot without any extra libraries.
- AC_CHECK_LIB(plot, pl_newpl_r, [LIBPLOT_LIBS="-lplot"])
-
- # Check whether we can link against libplot if we also link X.
- if test x"$LIBPLOT_LIBS" = x""; then
- AC_PATH_XTRA
- extra_libs="-lXaw -lXmu -lXt $X_PRE_LIBS -lXext -lX11 $X_EXTRA_LIBS -lm"
- AC_CHECK_LIB(plot, pl_newpl_r,
- [LIBPLOT_LIBS="-lplot $extra_libs"
- LDFLAGS="$LDFLAGS $X_LIBS"],,
- [$extra_libs])
- fi
-
- # Still can't link?
- if test x"$LIBPLOT_LIBS" = x""; then
- PSPP_REQUIRED_PREREQ([libplot (or use --without-libplot)])
- fi
-
- # Set up to make everything work.
- LIBS="$LIBPLOT_LIBS $LIBS"
- AC_DEFINE(HAVE_LIBPLOT, 1,
- [Define to 1 if you have the `libplot' library (-lplot).])
- fi
-])
-
-dnl Check whether a C compiler option is accepted.
-dnl If so, add it to CFLAGS.
-dnl Example: PSPP_ENABLE_OPTION(-Wdeclaration-after-statement)
-AC_DEFUN([PSPP_ENABLE_OPTION],
+dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED])
+dnl Check whether the given C compiler OPTION is accepted.
+dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED.
+AC_DEFUN([PSPP_CHECK_CC_OPTION],