Fix absl::log_flags linking on Linux
Generator expressions were introduced in CMake version 3.24. Without
them including absl::log_flags as an internal dependency causes
linking problems on some platforms. So for platforms with an older
CMake version we make absl::log_flags a public dependency.
Change-Id: I686f41e76b0ac17a03f1cd1d614372a7f130dfd9
diff --git a/internal/ceres/CMakeLists.txt b/internal/ceres/CMakeLists.txt
index 921ea9e..c997a4d 100644
--- a/internal/ceres/CMakeLists.txt
+++ b/internal/ceres/CMakeLists.txt
@@ -34,7 +34,17 @@
list(APPEND CERES_LIBRARY_PRIVATE_DEPENDENCIES Threads::Threads)
# Make dependency visible to the parent CMakeLists.txt
set(Threads_DEPENDENCY "find_dependency (Threads)" PARENT_SCOPE)
-list(APPEND CERES_LIBRARY_PRIVATE_DEPENDENCIES $<LINK_LIBRARY:WHOLE_ARCHIVE,absl::log_flags>)
+
+# Generator expressions were introduced in CMake version 3.24. Without
+# them including absl::log_flags as an internal dependency causes
+# linking problems on some platforms. So for platforms with an older
+# CMake version we make absl::log_flags a public dependency.
+if(CMAKE_VERSION VERSION_LESS "3.24.0")
+ list(APPEND CERES_LIBRARY_PUBLIC_DEPENDENCIES absl::log_flags)
+else()
+ list(APPEND CERES_LIBRARY_PRIVATE_DEPENDENCIES $<LINK_LIBRARY:WHOLE_ARCHIVE,absl::log_flags>)
+endif()
+
list(APPEND CERES_LIBRARY_PRIVATE_DEPENDENCIES absl::strings)
list(APPEND CERES_LIBRARY_PRIVATE_DEPENDENCIES absl::time)
