port of RPM building and gitea workflows (#1601)

cmake/SlsInstallExecutable.cmake

@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: LGPL-3.0-or-other
+# Copyright (C) 2026 Contributors to the SLS Detector Package
+
+function(sls_install_executable target)
+    cmake_parse_arguments(ARG "" "DESTINATION;COMPONENT;EXPORT" "" ${ARGN})
+    if(NOT ARG_DESTINATION)
+        set(ARG_DESTINATION "${CMAKE_INSTALL_BINDIR}")
+    endif()
+
+    set(install_args DESTINATION "${ARG_DESTINATION}")
+    if(ARG_COMPONENT)
+        list(APPEND install_args COMPONENT "${ARG_COMPONENT}")
+    endif()
+
+    if(SLS_INSTALL_VERSIONED_BINARIES)
+        install(PROGRAMS "$<TARGET_FILE:${target}>"
+            ${install_args}
+            RENAME "$<TARGET_FILE_BASE_NAME:${target}>-${PROJECT_VERSION}${CMAKE_EXECUTABLE_SUFFIX}"
+        )
+    else()
+        set(export_args)
+        if(ARG_EXPORT)
+            list(APPEND export_args EXPORT "${ARG_EXPORT}")
+        endif()
+        install(TARGETS ${target}
+            ${export_args}
+            RUNTIME ${install_args}
+        )
+    endif()
+endfunction()