[mpich-discuss] Undefined references to MPL, seems to be caused by --if-needed

[Jed Brown]

On Mon, Nov 22, 2010 at 21:39, Dave Goodell <goodell at mcs.anl.gov> wrote:

> Hmm... this looks like it's the fault of configure.in:6295.  I'm not sure
> why we're doing this step, although I'm also hesitant to remove it without
> careful study.  In a pinch you might be able to get by if you comment out
> that line (and maybe the following line as well).
>

I cannot regenerate the configure script because of

$ autoreconf -fi
configure.in:852: error: possibly undefined macro: AC_CXX_NAMESPACE_STD
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1

Strangely, this message does not actually seem to refer to a line number in
configure.in as it claims because putting text above that point (like trying
to use m4_pattern_allow) does no change the error line number.  The also
don't seem to be lines anywhere near 852 that could possibly have anything
to do with AC_CXX_NAMESPACE_STD.  That symbol only appears on line 2429.

autoreconf (GNU Autoconf) 2.68

Was your quoted line number in the 1.3.1 tarball, or elsewhere?  I was
trying to use the change below, but it's not obvious to me how these two
lines produce my symptom.

--- configure.in.orig 2010-11-11 08:55:02.000000000 +0100
+++ configure.in 2010-11-25 12:27:54.355281755 +0100
@@ -6292,8 +6292,8 @@
 WRAPPER_LIBS="$WRAPPER_LIBS $LIBS"

 # Setup required inter-library dependencies
-LIB_DEPS=""
-LDFLAGS_DEPS=""
+#LIB_DEPS=""
+#LDFLAGS_DEPS=""
 if test "$ENABLE_SHLIB" != "none" -a "$enable_lib_depend" = "yes" ; then
    LIB_DEPS="$WRAPPER_LIBS"
    WRAPPER_LIBS=""


Jed
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