Bug#37737658 Adapt Fedora RPMS to merge of bin and sbin

In Fedora 42+ /usr/sbin is merely a symlink to /usr/bin, try to detect
this and change paths as needed.

Change-Id: Ideba537092e21a6c809967302abc56d30ee25c87

Author: trosten

cmake/install_layout.cmake

@@ -197,7 +197,11 @@ SET(INSTALL_SECURE_FILE_PRIVDIR_TARGZ ${secure_file_priv_path})
 # RPM layout
 #
 SET(INSTALL_BINDIR_RPM                  "bin")
-SET(INSTALL_SBINDIR_RPM                 "sbin")
+IF(LINUX_FEDORA_SBIN_MERGE)
+  SET(INSTALL_SBINDIR_RPM                 "bin")
+ELSE()
+  SET(INSTALL_SBINDIR_RPM                 "sbin")
+ENDIF()
 #
 IF(CMAKE_SYSTEM_PROCESSOR IN_LIST KNOWN_64BIT_ARCHITECTURES)
   SET(INSTALL_LIBDIR_RPM                "lib64/mysql")

cmake/os/Linux.cmake

@@ -51,6 +51,12 @@ IF(EXISTS "/etc/fedora-release")
       FEDORA_RELEASE MATCHES "34")
     SET(LINUX_FEDORA_34 1)
   ENDIF()
+  IF(IS_SYMLINK "/usr/sbin")
+    FILE(READ_SYMLINK "/usr/sbin" USR_SBIN)
+    IF(USR_SBIN STREQUAL "bin")
+      SET(LINUX_FEDORA_SBIN_MERGE 1)
+    ENDIF()
+  ENDIF()
 ENDIF()
 
 # Use dpkg-buildflags --get CPPFLAGS | CFLAGS | CXXFLAGS | LDFLAGS