Commit d9170db5 authored by Dan Nicolaescu's avatar Dan Nicolaescu

Define USE_LISP_UNION_TYPE using autoconf.

* configure.in (--enable-use-lisp-union-type): New flag.
* src/lisp.h: Document that USE_LISP_UNION_TYPE is now enabled using autoconf.
parent 98601119
2010-07-02 Dan Nicolaescu <dann@ics.uci.edu>
* configure.in (--enable-use-lisp-union-type): New flag.
2010-06-30 Dan Nicolaescu <dann@ics.uci.edu>
Fix CFLAGS for non-GCC compilers.
......
......@@ -825,6 +825,7 @@ enable_asserts
enable_maintainer_mode
enable_locallisppath
enable_checking
enable_use_lisp_union_type
enable_profiling
enable_autodepend
enable_largefile
......@@ -1477,6 +1478,10 @@ Optional Features:
only specific categories of checks. Categories are:
all,yes,no. Flags are: stringbytes, stringoverrun,
stringfreelist, xmallocoverrun, conslist
--enable-use-lisp-union-type
use a union for the Lisp_Object data type. This is
only useful for development for catching certain
types of bugs.
--enable-profiling build emacs with profiling support. This might not
work on all platforms
--enable-autodepend automatically generate dependencies to .h-files.
......@@ -2978,6 +2983,17 @@ $as_echo "#define GC_CHECK_CONS_LIST 1" >>confdefs.h
fi
# Check whether --enable-use-lisp-union-type was given.
if test "${enable_use_lisp_union_type+set}" = set; then :
enableval=$enable_use_lisp_union_type; if test "${enableval}" != "no"; then
$as_echo "#define USE_LISP_UNION_TYPE 1" >>confdefs.h
fi
fi
# Check whether --enable-profiling was given.
if test "${enable_profiling+set}" = set; then :
enableval=$enable_profiling; ac_enable_profiling="${enableval}"
......@@ -4290,7 +4306,7 @@ if test x$GCC = xyes; then
C_OPTIMIZE_SWITCH=-O2
test "x$GCC_TEST_OPTIONS" != x && CC="$CC $GCC_TEST_OPTIONS"
else
C_OPTIMIZE_SWITCH=-O
C_OPTIMIZE_SWITCH=-O
test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
fi
......
......@@ -305,6 +305,16 @@ if test x$ac_gc_check_cons_list != x ; then
[Define this to check for errors in cons list.])
fi
AC_ARG_ENABLE(use-lisp-union-type,
[AS_HELP_STRING([--enable-use-lisp-union-type],
[use a union for the Lisp_Object data type.
This is only useful for development for catching certain types of bugs.])],
if test "${enableval}" != "no"; then
AC_DEFINE(USE_LISP_UNION_TYPE, 1,
[Define this to use a lisp union for the Lisp_Object data type.])
fi)
AC_ARG_ENABLE(profiling,
[AS_HELP_STRING([--enable-profiling],
[build emacs with profiling support.
......
......@@ -47,6 +47,10 @@ to configure. Note that other libraries used by Emacs, RSVG and GConf,
also depend on Gtk+. You can disable them with --without-rsvg and
--without-gconf.
** There is a new configure option --enable-use-lisp-union-type.
This is only useful for Emacs developers to debug certain types of bugs.
These is not a new feature; only the configure flag is new.
* Startup Changes in Emacs 24.1
......
2010-07-02 Dan Nicolaescu <dann@ics.uci.edu>
* lisp.h: Document that USE_LISP_UNION_TYPE is now enabled using autoconf.
Cleanup old code.
* dired.c (BSD4_3): Remove all uses, redundant with BSD4_2.
* syssignal.h: Remove code for Lynx, not supported anymore.
......
......@@ -933,6 +933,9 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
/* Define to 1 if using GTK. */
#undef USE_GTK
/* Define this to use a lisp union for the Lisp_Object data type. */
#undef USE_LISP_UNION_TYPE
/* Define to 1 if using the Lucid X toolkit. */
#undef USE_LUCID
......
......@@ -95,10 +95,9 @@ extern void die P_((const char *, const char *, int)) NO_RETURN;
#endif
#endif /* ENABLE_CHECKING */
/* Define this to make Lisp_Object use a union type instead of the
default int. FIXME: It might be better to add a flag to configure
to do this. */
/* #define USE_LISP_UNION_TYPE */
/* Use the configure flag --enable-use-lisp-union-type to make
Lisp_Object use a union type instead of the default int. The flag
causes USE_LISP_UNION_TYPE to be defined. */
/***** Select the tagging scheme. *****/
/* There are basically two options that control the tagging scheme:
......
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