Make pkgconfig targets globally imported targets

Signed-off-by: Ralph Giles <giles@thaumas.net>
Signed-off-by: evpobr <evpobr@gmail.com>

Author: h3ndrk

opusfileConfig.cmake

@@ -12,6 +12,7 @@ find_package(Ogg CONFIG ${cmake_quiet_arg})
 if(NOT TARGET Ogg::ogg)
   find_package(PkgConfig REQUIRED ${cmake_quiet_arg})
   pkg_check_modules(Ogg ${cmake_required_arg} ${cmake_quiet_arg} IMPORTED_TARGET ogg)
+  set_target_properties(PkgConfig::Ogg PROPERTIES IMPORTED_GLOBAL TRUE)
   add_library(Ogg::ogg ALIAS PkgConfig::Ogg)
 endif()
 
@@ -25,6 +26,7 @@ find_package(Opus CONFIG ${cmake_quiet_arg})
 if(NOT TARGET Opus::opus)
   find_package(PkgConfig REQUIRED ${cmake_quiet_arg})
   pkg_check_modules(Opus ${cmake_required_arg} ${cmake_quiet_arg} IMPORTED_TARGET opus)
+  set_target_properties(PkgConfig::Opus PROPERTIES IMPORTED_GLOBAL TRUE)
   add_library(Opus::opus ALIAS PkgConfig::Opus)
 endif()