gentoo-overlay/dev-cpp/gflags/files/gflags-2.1.1-libs.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17d38b4..ca2c1df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,8 @@ version_numbers (
     PACKAGE_VERSION_PATCH
 )
 
+set (PACKAGE_SOVERSION "${PACKAGE_VERSION_MAJOR}")
+
 # ----------------------------------------------------------------------------
 # options
 set (GFLAGS_NAMESPACE   "${PACKAGE_NAME}" CACHE STRING "C++ namespace identifier of gflags library.")
@@ -256,7 +258,9 @@ foreach (TYPE IN ITEMS STATIC SHARED)
         endif ()
         set_target_properties (
           gflags${opts}-${type} PROPERTIES COMPILE_DEFINITIONS "${defines}"
-                                           OUTPUT_NAME "gflags${opts}"
+                                           OUTPUT_NAME         "gflags${opts}"
+                                           VERSION             "${PACKAGE_VERSION}"
+                                           SOVERSION           "${PACKAGE_SOVERSION}"
         )
         if (HAVE_SHLWAPI_H)
           target_link_libraries (gflags${opts}-${type} shlwapi.lib)
@@ -280,9 +284,18 @@ if (OS_WINDOWS)
   set (CONFIG_INSTALL_DIR  CMake)
 else ()
   set (RUNTIME_INSTALL_DIR bin)
-  set (LIBRARY_INSTALL_DIR lib)
+  # The LIB_INSTALL_DIR and LIB_SUFFIX variables are used by the Fedora
+  # package maintainers. Also package maintainers of other distribution
+  # packages need to be able to specify the name of the library directory.
+  if (NOT LIB_INSTALL_DIR)
+    set (LIB_INSTALL_DIR "lib${LIB_SUFFIX}")
+  endif ()
+  set (LIBRARY_INSTALL_DIR "${LIB_INSTALL_DIR}"
+    CACHE PATH "Directory of installed libraries, e.g., \"lib64\""
+  )
+  mark_as_advanced (LIBRARY_INSTALL_DIR)
   set (INCLUDE_INSTALL_DIR include)
-  set (CONFIG_INSTALL_DIR  lib/cmake/${PACKAGE_NAME})
+  set (CONFIG_INSTALL_DIR  ${LIBRARY_INSTALL_DIR}/cmake/${PACKAGE_NAME})
 endif ()
 
 file (RELATIVE_PATH INSTALL_PREFIX_REL2CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/${CONFIG_INSTALL_DIR}" "${CMAKE_INSTALL_PREFIX}")