BIND 10 trac890, updated. ac7ff7f2226bdba60809b70caa82659b77c6e2e6 [trac890] added some more detailed comments about the addition of rpath to LDFLAGS.

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       via  ac7ff7f2226bdba60809b70caa82659b77c6e2e6 (commit)
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- Log -----------------------------------------------------------------
commit ac7ff7f2226bdba60809b70caa82659b77c6e2e6
Author: JINMEI Tatuya <jinmei at isc.org>
Date:   Mon May 2 11:34:14 2011 -0700

    [trac890] added some more detailed comments about the addition of rpath
    to LDFLAGS.

-----------------------------------------------------------------------

Summary of changes:
 configure.ac |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

-----------------------------------------------------------------------
diff --git a/configure.ac b/configure.ac
index dcd472c..acd8c93 100644
--- a/configure.ac
+++ b/configure.ac
@@ -411,6 +411,14 @@ if test -x "${BOTAN_CONFIG}" ; then
                 BOTAN_RPATH="${BOTAN_RPATH} `echo $flag | sed -ne 's/^\(\-L\)/-R/p'`"
         done
 	AC_SUBST(BOTAN_RPATH)
+
+	# According to the libtool manual, it should be sufficient if we
+	# specify the "-R libdir" in our wrapper library of botan (no other
+	# programs will need libbotan directly); "libdir" should be added to
+	# the program's binary image.  But we've seen in our build environments
+	# that (some versions of?) libtool doesn't propagate -R as documented,
+	# and it caused a linker error at run time.  To work around this, we
+	# also add the rpath to the global LDFLAGS.
         LDFLAGS="$BOTAN_RPATH $LDFLAGS"
     fi