https://bugs.gentoo.org/953761
Based on upstream patch:
https://github.com/GothenburgBitFactory/libshared/commit/e19bf08450d5b054550c38eebe4980b8fc412d22.patch
From: Thomas Lauf <lauft@users.noreply.github.com>

---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03a26c7..5f2b311 100644
--- a/src/libshared/CMakeLists.txt
+++ b/src/libshared/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.10)
 set (CMAKE_LEGACY_CYGWIN_WIN32 0) # Remove when CMake >= 2.8.4 is required
 set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
 set (HAVE_CMAKE true)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d0d6e46..7884ee7 100644
--- a/src/libshared/src/CMakeLists.txt
+++ b/src/libshared/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.10)
 include_directories (${CMAKE_SOURCE_DIR}
                      ${CMAKE_SOURCE_DIR}/src)