File cmake.patch of Package libarchive.41018

From 6a360ffd5c7fbfbf7a75d76c39ec55a2884a895f Mon Sep 17 00:00:00 2001
From: jaimergp <jaimergp@users.noreply.github.com>
Date: Thu, 19 Oct 2023 15:54:53 +0200
Subject: [PATCH 1/2] Fix SOVERSION computation logic in CMake

Co-authored-by: isuruf <isuruf@users.noreply.github.com>
---
 CMakeLists.txt            | 22 +++++++++++++++++++---
 libarchive/CMakeLists.txt |  6 +++++-
 2 files changed, 24 insertions(+), 4 deletions(-)

Index: b/CMakeLists.txt
===================================================================
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,9 +70,21 @@ SET(LIBARCHIVE_VERSION_STRING  "${VERSIO
 # libarchive 3.1 == interface version 13
 math(EXPR INTERFACE_VERSION  "13 + ${_minor}")
 
-# Set SOVERSION == Interface version
-# ?? Should there be more here ??
-SET(SOVERSION "${INTERFACE_VERSION}")
+# Set SOVERSION so it matches libtool's conventions
+# libtool accepts a string "current:revision:age"; in libarchive, that's set to
+# - current: ${INTERFACE_VERSION} = 13 + ${_minor}
+# - revision: ${_revision}
+# - age: ${_minor}
+# Since libtool computes SOVERSION as "current - age", it's just '13' again
+math(EXPR SOVERSION "${INTERFACE_VERSION} - ${_minor}")
+set(SOVERSION_FULL "${SOVERSION}.${_trimmed_minor}.${_trimmed_revision}")
+
+# Override CMake's default shared library versioning scheme, which uses SOVERSION and VERSION,
+# to match libtool's conventions (see https://github.com/mesonbuild/meson/issues/1451)
+# - compatibility version: current + 1 = ${INTERFACE_VERSION} + 1
+# - current version: ${current + 1}.${revision}
+math(EXPR MACHO_COMPATIBILITY_VERSION "${INTERFACE_VERSION} + 1")
+SET(MACHO_CURRENT_VERSION "${MACHO_COMPATIBILITY_VERSION}.${_revision}")
 
 # Enalbe CMAKE_PUSH_CHECK_STATE() and CMAKE_POP_CHECK_STATE() macros
 # saving and restoring the state of the variables.
Index: b/libarchive/CMakeLists.txt
===================================================================
--- a/libarchive/CMakeLists.txt
+++ b/libarchive/CMakeLists.txt
@@ -230,7 +230,11 @@ IF(BUILD_SHARED_LIBS)
   ADD_LIBRARY(archive SHARED ${libarchive_SOURCES} ${include_HEADERS})
   TARGET_INCLUDE_DIRECTORIES(archive PUBLIC .)
   TARGET_LINK_LIBRARIES(archive ${ADDITIONAL_LIBS})
-  SET_TARGET_PROPERTIES(archive PROPERTIES SOVERSION ${SOVERSION})
+  SET_TARGET_PROPERTIES(archive PROPERTIES 
+                        VERSION ${SOVERSION_FULL}
+                        SOVERSION ${SOVERSION}
+                        MACHO_COMPATIBILITY_VERSION ${MACHO_COMPATIBILITY_VERSION}
+                        MACHO_CURRENT_VERSION ${MACHO_CURRENT_VERSION})
 ENDIF(BUILD_SHARED_LIBS)
 
 # archive_static is a static library