ALLOCA and LIBOBJS are siblings.
2005-05-14 Alexandre Duret-Lutz <[EMAIL PROTECTED]>
* lib/autoconf/functions.m4 (_AC_LIBOBJ_ALLOCA): Prepend ${LIBOBJDIR},
as on 2005-05-02.
* doc/autoconf.texi (Particular Functions) <AC_FUNC_ALLOCA>:
Mention LIBOBJDIR.
Index: NEWS
===================================================================
RCS file: /cvsroot/autoconf/autoconf/NEWS,v
retrieving revision 1.339
diff -u -r1.339 NEWS
--- NEWS 14 May 2005 07:00:39 -0000 1.339
+++ NEWS 14 May 2005 11:09:32 -0000
@@ -27,6 +27,10 @@
infodir info documentation [DATAROOTDIR/info]
mandir man documentation [DATAROOTDIR/man]
+ This means that if you use any of [EMAIL PROTECTED]@', [EMAIL PROTECTED]@',
or
+ [EMAIL PROTECTED]@' in a file, you will have to ensure `${datarootdir}' is
+ defined in this file.
+
** AC_PROG_CC_C89, AC_PROG_CC_C99
New macros for ISO C99 support. AC_PROG_CC_C89 and AC_PROG_CC_C99
check for ANSI C89 and ISO C99 support respectively.
@@ -41,6 +45,11 @@
** AT_COPYRIGHT
New macro for copyright notices in testsuite files.
+** ALLOCA, LIBOBJS, LTLIBOBJS
+ Object names added to these variables are now prefixed with `${LIBOBJDIR}',
+ as in `${LIBOBJDIR}alloca.o'. LIBOBJDIR is meant to be defined from
+ `Makefile.in' in case the object files lie in a different directory.
+
* Major changes in Autoconf 2.59b
Released 2004-08-20, by Paul Eggert.
Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.897
diff -u -r1.897 autoconf.texi
--- doc/autoconf.texi 10 May 2005 23:37:37 -0000 1.897
+++ doc/autoconf.texi 14 May 2005 11:09:35 -0000
@@ -3989,11 +3989,13 @@
If those attempts fail, it looks for the function in the standard C
library. If any of those methods succeed, it defines
@code{HAVE_ALLOCA}. Otherwise, it sets the output variable
[EMAIL PROTECTED] to @samp{alloca.o} and defines @code{C_ALLOCA} (so
-programs can periodically call @samp{alloca(0)} to garbage collect).
-This variable is separate from @code{LIBOBJS} so multiple programs can
-share the value of @code{ALLOCA} without needing to create an actual
-library, in case only some of them use the code in @code{LIBOBJS}.
[EMAIL PROTECTED] to @[EMAIL PROTECTED]@}alloca.o} and defines
[EMAIL PROTECTED] (so programs can periodically call @samp{alloca(0)} to
+garbage collect). This variable is separate from @code{LIBOBJS} so
+multiple programs can share the value of @code{ALLOCA} without needing
+to create an actual library, in case only some of them use the code in
[EMAIL PROTECTED] The @[EMAIL PROTECTED]@}} prefix serves the same
+purpose as in @code{LIBOBJS} (@pxref{AC_LIBOBJ vs LIBOBJS}).
This macro does not try to get @code{alloca} from the System V R3
@file{libPW} or the System V R4 @file{libucb} because those libraries
Index: lib/autoconf/functions.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/functions.m4,v
retrieving revision 1.92
diff -u -r1.92 functions.m4
--- lib/autoconf/functions.m4 14 May 2005 07:00:39 -0000 1.92
+++ lib/autoconf/functions.m4 14 May 2005 11:09:36 -0000
@@ -254,7 +254,7 @@
# contain a buggy version. If you still want to use their alloca,
# use ar to extract alloca.o from them instead of compiling alloca.c.
AC_LIBSOURCES(alloca.c)
-AC_SUBST(ALLOCA, alloca.$ac_objext)dnl
+AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.$ac_objext])dnl
AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using `alloca.c'.])
AC_CACHE_CHECK(whether `alloca.c' needs Cray hooks, ac_cv_os_cray,
--
Alexandre Duret-Lutz
