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Bug 28669 - Increment Library version

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Add libtool versioning to libabigail.so starting from 2.1 onward to
not cause problems with older utilities due to library version
incompatibility. This will also stop tools that look for libraries
which have a different ABI but the same version from complaining.

	* configure.ac: Define the variables libabigail_so_{current,
	revision, age}.  These are to be adjusted after each releases
	depending on how the compatibility status of the libabigail's
	code.
	* src/Makefile.am: Add -version-info
	$(LIBABIGAIL_SO_CURRENT):$(LIBABIGAIL_SO_REVISION):$(LIBABIGAIL_SO_AGE)
	to LDFLAGS.

Signed-off-by: Ben Woodard <woodard@redhat.com>
Signed-off-by: Dodji Seketeli <dodji@redhat.com>
This commit is contained in:
Ben Woodard via Libabigail 2022-06-28 15:26:00 -07:00 committed by Dodji Seketeli
parent c49d650827
commit 2bfea52331
2 changed files with 34 additions and 1 deletions
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33
configure.ac
View File

@ -1,7 +1,34 @@
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
dnl Libabigail version number is handled here with the major and minor
dnl version numbers.
m4_define([version_major], [2])
m4_define([version_minor], [1])
dnl Below are the numbers to handle libabigail.so's versionning
dnl following the libtool's versionning scheme to handle shared
dnl libraries' compatibility.
dnl
dnl Below are the rules to follow to update the three numbers
dnl (LIBABIGAIL_SO_CURRENT, LIBABIGAIL_SO_REVISION and LIBABIGAIL_SO_AGE):
dnl
dnl 1. If the library source code has changed at all since the last
dnl update, then increment LIBABIGAIL_SO_REVISION ('C:R:A' becomes
dnl 'C:R+1:A').
dnl
dnl 2. If any interfaces have been added, removed, or changed since
dnl the last update, increment LIBABIGAIL_SO_CURRENT, and set
dnl LIBABIGAIL_REVISION to 0.
dnl
dnl 3. If any interfaces have been added since the last public release,
dnl then increment LIBABIGAIL_SO_AGE.
dnl
dnl 4. If any interfaces have been removed or changed since the last
dnl public release, then set LIBABIGAIL_SO_AGE to 0.
m4_define([libabigail_so_current], [1])
m4_define([libabigail_so_revision], [0])
m4_define([libabigail_so_age], [0])
AC_INIT([libabigail],
[version_major.version_minor],
[http://sourceware.org/bugzilla],
@ -40,12 +67,18 @@ VERSION_MINOR=version_minor
VERSION_REVISION=0
ABIXML_VERSION_MAJOR=2
ABIXML_VERSION_MINOR=1
LIBABIGAIL_SO_CURRENT=libabigail_so_current
LIBABIGAIL_SO_REVISION=libabigail_so_revision
LIBABIGAIL_SO_AGE=libabigail_so_age
AC_SUBST(VERSION_MAJOR)
AC_SUBST(VERSION_MINOR)
AC_SUBST(VERSION_REVISION)
AC_SUBST(ABIXML_VERSION_MAJOR)
AC_SUBST(ABIXML_VERSION_MINOR)
AC_SUBST(LIBABIGAIL_SO_CURRENT)
AC_SUBST(LIBABIGAIL_SO_REVISION)
AC_SUBST(LIBABIGAIL_SO_AGE)
dnl This VERSION_SUFFIX environment variable is to allow appending
dnl arbitrary text to the libabigail version string representation.

2
src/Makefile.am
View File

@ -47,7 +47,7 @@ libabigail_la_SOURCES += abg-ctf-reader.cc
endif
libabigail_la_LIBADD = $(DEPS_LIBS) $(FTS_LIBS)
libabigail_la_LDFLAGS = -lpthread -Wl,--as-needed -no-undefined
libabigail_la_LDFLAGS = -lpthread -Wl,--as-needed -no-undefined -version-info $(LIBABIGAIL_SO_CURRENT):$(LIBABIGAIL_SO_REVISION):$(LIBABIGAIL_SO_AGE)
CUSTOM_MACROS = -DABIGAIL_ROOT_SYSTEM_LIBDIR=\"${libdir}\"