shithub: libdvdcss

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build: set the libtool version info in configure.ac

This follows the same pattern used for libdvdread/libdvdnav and xine.

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>

--- a/Makefile.am

+++ b/Makefile.am

@@ -28,7 +28,7 @@

 	src/error.c \

 	src/common.h

-libdvdcss_la_LDFLAGS = -version-info 3:0:1 $(DVDCSS_LDFLAGS)

+libdvdcss_la_LDFLAGS = -version-info $(DVDCSS_LTVERSION) $(DVDCSS_LDFLAGS)

 libdvdcss_la_LIBADD =

 if !SYS_MSVC

--- a/configure.ac

+++ b/configure.ac

@@ -9,13 +9,44 @@

 dnl Enable silent rules only when available (automake 1.11 or later).

 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

+LT_INIT([win32-dll])

+

 AC_CONFIG_HEADER(config.h)

 AC_CONFIG_MACRO_DIR([m4])

+dnl The libtool version numbers (DVDCSS_LT_*); Don't even think about faking this!

+dnl

+dnl immediately before every release do:

+dnl ===================================

+dnl if (the interface is totally unchanged from previous release)

+dnl    DVDCSS_LT_REVISION ++;

+dnl else { /* interfaces have been added, removed or changed */

+dnl    DVDCSS_LT_REVISION = 0;

+dnl    DVDCSS_LT_CURRENT ++;

+dnl    if (any interfaces have been _added_ since last release)

+dnl       AGE ++;

+dnl    if (any interfaces have been _removed_ or _incompatibly changed_)

+dnl       AGE = 0;

+dnl }

+dnl

+dnl If you want to know more about what you are doing, here are some details:

+dnl  * DVDCSS_LT_CURRENT is the current API version

+dnl  * DVDCSS_LT_REVISION is an internal revision number which is increased when the API

+dnl    itself did not change

+dnl  * DVDCSS_LT_AGE is the number of previous API versions still supported by this library

+dnl  * libtool has its own numbering scheme, because local library numbering schemes

+dnl    are platform dependent

+dnl  * in Linux, the library will be named

+dnl    libname.so.(DVDCSS_LT_CURRENT - DVDCSS_LT_AGE).DVDCSS_LT_AGE.DVDCSS_LT_REVISION

+

+DVDCSS_LT_CURRENT=3

+DVDCSS_LT_AGE=0

+DVDCSS_LT_REVISION=1

+

+AC_SUBST([DVDCSS_LTVERSION], [$DVDCSS_LT_CURRENT:$DVDCSS_LT_AGE:$DVDCSS_LT_REVISION])

+

 AC_PROG_CC

 AC_HEADER_STDC

-

-LT_INIT([win32-dll])

 AC_C_CONST

 AC_C_INLINE