From edad8a20b944d45f366acc15b2cd4d291ce3a5dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Sun, 26 Mar 2017 12:06:48 +0200
Subject: [PATCH] Add support for libraries with release number in the name of
 the library See
 https://www.gnu.org/software/libtool/manual/html_node/Release-numbers.html
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
---
 modules/TDEMacros.cmake | 60 ++++++++++++++++++++++++++++++++---------
 1 file changed, 48 insertions(+), 12 deletions(-)

diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake
index 97c8b04..73739be 100644
--- a/modules/TDEMacros.cmake
+++ b/modules/TDEMacros.cmake
@@ -259,8 +259,14 @@ endmacro( )
 macro( tde_install_la_file _target _destination )
 
   get_target_property( _target_location ${_target} LOCATION )
+  get_target_property( _target_release ${_target} RELEASE )
   get_filename_component( _soname ${_target_location} NAME )
-  string( REGEX REPLACE "\\.so(\\.[0-9]+)*$" "" _laname "${_soname}" )
+  if( _target_release )
+    string( REPLACE "-${_target_release}" "" _soname_base "${_soname}" )
+  else( )
+    set( _soname_base ${_soname} )
+  endif( )
+  string( REGEX REPLACE "\\.so(\\.[0-9]+)*$" "" _laname "${_soname_base}" )
   set( _laname ${CMAKE_CURRENT_BINARY_DIR}/${_laname}.la )
 
   file( WRITE ${_laname}
@@ -268,7 +274,7 @@ macro( tde_install_la_file _target _destination )
 # The name that we can dlopen(3).
 dlname='${_soname}'
 # Names of this library
-library_names='${_soname} ${_soname} ${_soname}'
+library_names='${_soname} ${_soname} ${_soname_base}'
 # The name of the static archive
 old_library=''
 # Libraries that this one depends upon.
@@ -448,16 +454,19 @@ endmacro( __tde_internal_process_sources )
 macro( tde_install_libtool_file _target _destination )
 
   get_target_property( _target_location ${_target} LOCATION )
-
-  # get name of target
-  get_filename_component( _name ${_target_location} NAME )
-  string( REGEX REPLACE "\\.so(\\.[0-9]+)*$" "" _name "${_name}" )
-
-  # get .la name
-  set( _laname ${_name}.la )
+  get_target_property( _target_release ${_target} RELEASE )
 
   # get .so name
   get_filename_component( _soname ${_target_location} NAME )
+  if( _target_release )
+    string( REPLACE "-${_target_release}" "" _soname_base "${_soname}" )
+  else( )
+    set( _soname_base ${_soname} )
+  endif( )
+
+  # get .la name
+  string( REGEX REPLACE "\\.so(\\.[0-9]+)*$" "" _laname "${_soname_base}" )
+  set( _laname ${_laname}.la )
 
   # get version of target
   get_target_property( _target_version ${_target} VERSION )
@@ -467,7 +476,7 @@ macro( tde_install_libtool_file _target _destination )
   if( _target_version )
     set( _library_name_1 "${_soname}.${_target_version}" )
     set( _library_name_2 "${_soname}.${_target_soversion}" )
-    set( _library_name_3 "${_soname}" )
+    set( _library_name_3 "${_soname_base}" )
 
     string( REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" _dummy  "${_target_version}" )
     set( _version_current  "${CMAKE_MATCH_1}" )
@@ -478,7 +487,7 @@ macro( tde_install_libtool_file _target _destination )
   else( _target_version )
     set( _library_name_1 "${_soname}" )
     set( _library_name_2 "${_soname}" )
-    set( _library_name_3 "${_soname}" )
+    set( _library_name_3 "${_soname_base}" )
     set( _version_current  "0" )
     set( _version_age  "0" )
     set( _version_revision "0" )
@@ -545,6 +554,7 @@ macro( tde_add_library _arg_target )
   unset( _no_libtool_file )
   unset( _no_export )
   unset( _version )
+  unset( _release )
   unset( _sources )
   unset( _destination )
   unset( _embed )
@@ -619,6 +629,12 @@ macro( tde_add_library _arg_target )
       set( _storage "_version" )
     endif( "+${_arg}" STREQUAL "+VERSION" )
 
+    # found directive "RELEASE"
+    if( "+${_arg}" STREQUAL "+RELEASE" )
+      set( _skip_store 1 )
+      set( _storage "_release" )
+    endif( "+${_arg}" STREQUAL "+RELEASE" )
+
     # found directive "SOURCES"
     if( "+${_arg}" STREQUAL "+SOURCES" )
       set( _skip_store 1 )
@@ -747,7 +763,13 @@ macro( tde_add_library _arg_target )
   endif( ${_type} STREQUAL "MODULE" )
 
   # set real name of target
-  set_target_properties( ${_target} PROPERTIES OUTPUT_NAME ${_arg_target} )
+  if( _release )
+    # add release number to output name
+    set_target_properties( ${_target} PROPERTIES RELEASE ${_release} )
+    set_target_properties( ${_target} PROPERTIES OUTPUT_NAME "${_arg_target}-${_release}" )
+  else( _release )
+    set_target_properties( ${_target} PROPERTIES OUTPUT_NAME ${_arg_target} )
+  endif( _release )
 
   # set -fPIC flag for static libraries
   if( _static_pic )
@@ -833,6 +855,20 @@ macro( tde_add_library _arg_target )
     # install target
     install( TARGETS ${_target} DESTINATION ${_destination} )
 
+    # install base soname
+    if( _release AND NOT "STATIC" STREQUAL ${_type} )
+      get_target_property( _output ${_target} LOCATION )
+      get_filename_component( _soname ${_output} NAME )
+      string( REPLACE "-${_release}" "" _soname_base "${_soname}" )
+      if( _version )
+        get_target_property( _soversion ${_target} SOVERSION )
+        set( _soname "${_soname}.${_soversion}" )
+      endif( )
+      add_custom_command( TARGET ${_target} POST_BUILD
+        COMMAND ln -s ${_soname} "${CMAKE_CURRENT_BINARY_DIR}/${_soname_base}" )
+      install( FILES "${CMAKE_CURRENT_BINARY_DIR}/${_soname_base}" DESTINATION ${_destination} )
+    endif( )
+
     # install .la files for dynamic libraries
     if( NOT "STATIC" STREQUAL ${_type} AND NOT _no_libtool_file )
       tde_install_libtool_file( ${_target} ${_destination} )