[syslog-ng] Newer libtool and autoconf versions?

[Corinna Vinschen]

On Dec 13 20:39, Corinna Vinschen wrote:
> On Dec 13 20:13, Balazs Scheidler wrote:
> > On Fri, 2010-12-10 at 17:57 +0100, Corinna Vinschen wrote:
> > > On Dec 10 10:30, Corinna Vinschen wrote:
> > > I just got the hint that the libtool --mode=link option "-module" is
> > > supposed to do exactly this on Cygwin.
> > > [...]
> > > Would that be ok with you?
> > 
> > It used to be "-avoid-version -module" but it was removed by this
> > commit:
> > 
> > Author: Balazs Scheidler <bazsi at balabit.hu>  2010-09-27 15:51:22
> > Committer: Balazs Scheidler <bazsi at balabit.hu>  2010-09-27 15:51:22
> > Parent: f437439a9c28555271b1298eeaf6e962ec626cc1 (use -avoid-version for modules)
> > Follows: v3.2alpha1
> > Precedes: v3.2beta1
> > 
> >     modules: don't use -module libtool option
> >     
> >     As it causes a libtool warning when linking the module explicitly to
> >     a program and it worked without that on all of our platforms anyway.
> > 
> > The problem is that I'm linking pdbtool against the libdbparser.so file
> > and the unit tests and using -module causes a lot of warnings during
> > compilation.
> > 
> > Do you perhaps have an idea how otherwise work around the warning?
> 
> Does the -export-dynamic option when linking pdbtool help, perhaps?

Here's how you avoid the warning:

diff --git a/configure.in b/configure.in
index ea671be..0e534f8 100644
--- a/configure.in
+++ b/configure.in
@@ -156,7 +156,7 @@ AC_PROG_YACC
 AM_PROG_LEX
 AC_PROG_MAKE_SET
 PKG_PROG_PKG_CONFIG
-LT_INIT([disable-static])
+LT_INIT([dlopen disable-static])
 
 dnl ***************************************************************************
 dnl Validate yacc
diff --git a/modules/dbparser/Makefile.am b/modules/dbparser/Makefile.am
index 2a08c29..76a6cef 100644
--- a/modules/dbparser/Makefile.am
+++ b/modules/dbparser/Makefile.am
@@ -26,7 +26,7 @@ libdbparser_la_LDFLAGS = -avoid-version -module
 bin_PROGRAMS = pdbtool
 pdbtool_SOURCES = pdbtool.c patternize.c patternize.h
 pdbtool_CPPFLAGS = $(AM_CPPFLAGS) @OPENSSL_CFLAGS@
-pdbtool_LDADD = ../../lib/libsyslog-ng.la libdbparser.la @OPENSSL_LIBS@ @DEPS_LIBS@
+pdbtool_LDADD = ../../lib/libsyslog-ng.la -dlpreopen libdbparser.la @OPENSSL_LIBS@ @DEPS_LIBS@
 
 BUILT_SOURCES = dbparser-grammar.y dbparser-grammar.c dbparser-grammar.h
 EXTRA_DIST = $(BUILT_SOURCES) radix-find.c dbparser-grammar.ym


Corinna

-- 
Corinna Vinschen
Cygwin Project Co-Leader
Red Hat