Give also libctf optionally a gentoo-specific soversion

4 files changed, 70 insertions, 5 deletions

diff --git a/libctf/Makefile.am b/libctf/Makefile.am
index e586d25fb37..eabc7fa8394 100644
--- a/libctf/Makefile.am
+++ b/libctf/Makefile.am
@@ -21,6 +21,8 @@ ACLOCAL_AMFLAGS = -I .. -I ../config -I ../bfd
 
 AUTOMAKE_OPTIONS = dejagnu foreign no-texinfo.tex
 
+EXTRA_SOVERSION_SUFFIX = @EXTRA_SOVERSION_SUFFIX@
+
 # This is where we get zlib from.  zlibdir is -L../zlib and zlibinc is
 # -I../zlib, unless we were configured with --with-system-zlib, in which
 # case both are empty.
@@ -41,8 +43,17 @@ include_HEADERS =
 noinst_LTLIBRARIES = libctf.la libctf-nobfd.la
 endif
 
+# libctf by default uses libtool versioning. Unfortunately that keeps us from adding
+# a supplement to the soversion. So we need to switch tracks and be creative.
+
+if HAVE_EXTRA_SOVERSION_SUFFIX
+gentoo_ctf_soversion = 0.0.0.$(EXTRA_SOVERSION_SUFFIX)
+else
+gentoo_ctf_soversion = 0.0.0
+endif
+
 libctf_nobfd_la_LIBADD = @CTF_LIBADD@ $(ZLIB)
-libctf_nobfd_la_LDFLAGS = -version-info 0:0:0 @SHARED_LDFLAGS@ @VERSION_FLAGS@
+libctf_nobfd_la_LDFLAGS = -release $(gentoo_ctf_soversion) @SHARED_LDFLAGS@ @VERSION_FLAGS@
 libctf_nobfd_la_CPPFLAGS = $(AM_CPPFLAGS) -DNOBFD=1
 libctf_nobfd_la_SOURCES = ctf-archive.c ctf-dump.c ctf-create.c ctf-decl.c ctf-error.c \
 			  ctf-hash.c ctf-labels.c ctf-dedup.c ctf-link.c ctf-lookup.c \
diff --git a/libctf/Makefile.in b/libctf/Makefile.in
index 5cfa100f9cc..d92002a51d1 100644
--- a/libctf/Makefile.in
+++ b/libctf/Makefile.in
@@ -338,6 +338,7 @@ EXEEXT = @EXEEXT@
 
 # Setup the testing framework, if you have one
 EXPECT = expect
+EXTRA_SOVERSION_SUFFIX = @EXTRA_SOVERSION_SUFFIX@
 FGREP = @FGREP@
 GENCAT = @GENCAT@
 GMSGFMT = @GMSGFMT@
@@ -436,6 +437,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -469,8 +471,13 @@ AM_CFLAGS = -std=gnu99 @ac_libctf_warn_cflags@ @warn@ @c_warn@ @WARN_PEDANTIC@ @
 @INSTALL_LIBBFD_FALSE@include_HEADERS = 
 @INSTALL_LIBBFD_TRUE@include_HEADERS = $(INCDIR)/ctf.h $(INCDIR)/ctf-api.h
 @INSTALL_LIBBFD_FALSE@noinst_LTLIBRARIES = libctf.la libctf-nobfd.la
+@HAVE_EXTRA_SOVERSION_SUFFIX_FALSE@gentoo_ctf_soversion = 0.0.0
+
+# libctf by default uses libtool versioning. Unfortunately that keeps us from adding
+# a supplement to the soversion. So we need to switch tracks and be creative.
+@HAVE_EXTRA_SOVERSION_SUFFIX_TRUE@gentoo_ctf_soversion = 0.0.0.$(EXTRA_SOVERSION_SUFFIX)
 libctf_nobfd_la_LIBADD = @CTF_LIBADD@ $(ZLIB)
-libctf_nobfd_la_LDFLAGS = -version-info 0:0:0 @SHARED_LDFLAGS@ @VERSION_FLAGS@
+libctf_nobfd_la_LDFLAGS = -release $(gentoo_ctf_soversion) @SHARED_LDFLAGS@ @VERSION_FLAGS@
 libctf_nobfd_la_CPPFLAGS = $(AM_CPPFLAGS) -DNOBFD=1
 libctf_nobfd_la_SOURCES = ctf-archive.c ctf-dump.c ctf-create.c \
 	ctf-decl.c ctf-error.c ctf-hash.c ctf-labels.c ctf-dedup.c \
diff --git a/libctf/configure b/libctf/configure
index 82bcf13a606..f2cbcf5f969 100755
--- a/libctf/configure
+++ b/libctf/configure
@@ -643,6 +643,9 @@ CTF_LIBADD
 SHARED_LDFLAGS
 NEED_CTF_QSORT_R_FALSE
 NEED_CTF_QSORT_R_TRUE
+HAVE_EXTRA_SOVERSION_SUFFIX_FALSE
+HAVE_EXTRA_SOVERSION_SUFFIX_TRUE
+EXTRA_SOVERSION_SUFFIX
 ENABLE_LIBCTF_HASH_DEBUGGING_FALSE
 ENABLE_LIBCTF_HASH_DEBUGGING_TRUE
 zlibinc
@@ -768,6 +771,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -804,6 +808,7 @@ enable_maintainer_mode
 enable_install_libbfd
 with_system_zlib
 enable_libctf_hash_debugging
+with_extra_soversion_suffix
 '
       ac_precious_vars='build_alias
 host_alias
@@ -852,6 +857,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1104,6 +1110,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1241,7 +1256,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1394,6 +1409,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1461,6 +1477,8 @@ Optional Packages:
                           both]
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-system-zlib      use installed libz
+  --with-extra-soversion-suffix=SUFFIX
+                          Append '.SUFFIX' to SONAME [[default=]]
 
 Some influential environment variables:
   CC          C compiler command
@@ -11586,7 +11604,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11589 "configure"
+#line 11607 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11692,7 +11710,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11695 "configure"
+#line 11713 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12899,6 +12917,23 @@ else
 fi
 
 
+EXTRA_SOVERSION_SUFFIX=
+
+# Check whether --with-extra-soversion-suffix was given.
+if test "${with_extra_soversion_suffix+set}" = set; then :
+  withval=$with_extra_soversion_suffix; EXTRA_SOVERSION_SUFFIX="${withval}"
+fi
+
+
+ if test -n "${with_extra_soversion_suffix}"; then
+  HAVE_EXTRA_SOVERSION_SUFFIX_TRUE=
+  HAVE_EXTRA_SOVERSION_SUFFIX_FALSE='#'
+else
+  HAVE_EXTRA_SOVERSION_SUFFIX_TRUE='#'
+  HAVE_EXTRA_SOVERSION_SUFFIX_FALSE=
+fi
+
+
 # Similar to GDB_AC_CHECK_BFD.
 OLD_CFLAGS=$CFLAGS
 OLD_LDFLAGS=$LDFLAGS
@@ -13657,6 +13692,10 @@ if test -z "${ENABLE_LIBCTF_HASH_DEBUGGING_TRUE}" && test -z "${ENABLE_LIBCTF_HA
   as_fn_error $? "conditional \"ENABLE_LIBCTF_HASH_DEBUGGING\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_EXTRA_SOVERSION_SUFFIX_TRUE}" && test -z "${HAVE_EXTRA_SOVERSION_SUFFIX_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_EXTRA_SOVERSION_SUFFIX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 if test -z "${NEED_CTF_QSORT_R_TRUE}" && test -z "${NEED_CTF_QSORT_R_FALSE}"; then
   as_fn_error $? "conditional \"NEED_CTF_QSORT_R\" was never defined.
diff --git a/libctf/configure.ac b/libctf/configure.ac
index 80644b89d67..f7e6180afd8 100644
--- a/libctf/configure.ac
+++ b/libctf/configure.ac
@@ -77,6 +77,14 @@ if test "${enable_libctf_hash_debugging}" = yes; then
 fi
 AM_CONDITIONAL(ENABLE_LIBCTF_HASH_DEBUGGING, test "${enable_libctf_hash_debugging}" = yes)
 
+EXTRA_SOVERSION_SUFFIX=
+AC_ARG_WITH(extra-soversion-suffix,
+  AS_HELP_STRING([--with-extra-soversion-suffix=SUFFIX],
+                 [Append '.SUFFIX' to SONAME [[default=]]]),
+[EXTRA_SOVERSION_SUFFIX="${withval}"])
+AC_SUBST(EXTRA_SOVERSION_SUFFIX)
+AM_CONDITIONAL([HAVE_EXTRA_SOVERSION_SUFFIX], [test -n "${with_extra_soversion_suffix}"])
+
 # Similar to GDB_AC_CHECK_BFD.
 OLD_CFLAGS=$CFLAGS
 OLD_LDFLAGS=$LDFLAGS