# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1307050500 14400
# Node ID e34f2bf7319d3ca652369c7436e1f44bcd321918
# Parent  7c8b50cd4fb40e26bc7e741cb3998361b035cf7b
maint: implement proper library versioning.

* libcruft/Makefile.am (libcruft_current): New variable.
(libcruft_revision): Likewise.
(libcruft_age): Likewise.
(libcruft_version_info): Likewise.
(libcruft_la_LDFLAGS): Use -version-info option, not -release.

* liboctave/Makefile.am (liboctave_current): New variable.
(liboctave_revision): Likewise.
(liboctave_age): Likewise.
(liboctave_version_info): Likewise.
(liboctave_la_LDFLAGS): Use -version-info option, not -release.

* liboctinterp/Makefile.am (liboctinterp_current): New variable.
(liboctinterp_revision): Likewise.
(liboctinterp_age): Likewise.
(liboctinterp_version_info): Likewise.
(liboctinterp_la_LDFLAGS): Use -version-info option, not -release.

diff -r 7c8b50cd4fb4 -r e34f2bf7319d libcruft/Makefile.am
--- a/libcruft/Makefile.am	Mon Jun 06 12:38:15 2011 -0500
+++ b/libcruft/Makefile.am	Thu Jun 02 17:35:00 2011 -0400
@@ -34,8 +34,18 @@
   @CRUFT_DLL_DEFS@ \
   $(AM_CPPFLAGS)
 
+# Increment these as needed and according to the rules in the libtool
+# manual:
+libcruft_current = 0
+libcruft_revision = 0
+libcruft_age = 0
+
+libcruft_version_info = $(libcruft_current):$(libcruft_revision):$(libcruft_age)
+
 libcruft_la_LDFLAGS = \
-  -release $(version) $(NO_UNDEFINED_LDFLAG) @XTRA_CRUFT_SH_LDFLAGS@ \
+  -version-info $(libcruft_version_info) \
+  $(NO_UNDEFINED_LDFLAG) \
+  @XTRA_CRUFT_SH_LDFLAGS@ \
   -bindir $(bindir)
 
 libcruft_la_LIBADD = \
diff -r 7c8b50cd4fb4 -r e34f2bf7319d liboctave/Makefile.am
--- a/liboctave/Makefile.am	Mon Jun 06 12:38:15 2011 -0500
+++ b/liboctave/Makefile.am	Thu Jun 02 17:35:00 2011 -0400
@@ -526,7 +526,17 @@
   $(ARPACK_CPPFLAGS) \
   $(AM_CPPFLAGS)
 
-liboctave_la_LDFLAGS = -release $(version) $(NO_UNDEFINED_LDFLAG) \
+# Increment these as needed and according to the rules in the libtool
+# manual:
+liboctave_current = 0
+liboctave_revision = 0
+liboctave_age = 0
+
+liboctave_version_info = $(liboctave_current):$(liboctave_revision):$(liboctave_age)
+
+liboctave_la_LDFLAGS = \
+  -version-info $(liboctave_version_info) \
+  $(NO_UNDEFINED_LDFLAG) \
   -bindir $(bindir) \
   $(SPARSE_XLDFLAGS) \
   $(ARPACK_LDFLAGS) \
diff -r 7c8b50cd4fb4 -r e34f2bf7319d src/Makefile.am
--- a/src/Makefile.am	Mon Jun 06 12:38:15 2011 -0500
+++ b/src/Makefile.am	Thu Jun 02 17:35:00 2011 -0400
@@ -591,7 +591,17 @@
 
 liboctinterp_la_CPPFLAGS = @OCTINTERP_DLL_DEFS@ $(AM_CPPFLAGS)
 
-liboctinterp_la_LDFLAGS = -release $(version) $(NO_UNDEFINED_LDFLAG) \
+# Increment these as needed and according to the rules in the libtool
+# manual:
+liboctinterp_current = 0
+liboctinterp_revision = 0
+liboctinterp_age = 0
+
+liboctinterp_version_info = $(liboctinterp_current):$(liboctinterp_revision):$(liboctinterp_age)
+
+liboctinterp_la_LDFLAGS = \
+  -version-info $(liboctinterp_version_info) \
+  $(NO_UNDEFINED_LDFLAG) \
   -bindir $(bindir)
 
 CLEANFILES = \