diff -Nur abseil-cpp-20210324.0/CMake/AbseilHelpers.cmake new/CMake/AbseilHelpers.cmake
--- abseil-cpp-20210324.0/CMake/AbseilHelpers.cmake	2021-03-25 14:27:44.000000000 +0100
+++ new/CMake/AbseilHelpers.cmake	2021-04-13 20:37:44.361137790 +0200
@@ -181,7 +181,7 @@
 Libs: -L\${libdir} $<JOIN:${ABSL_CC_LIB_LINKOPTS}, > $<$<NOT:$<BOOL:${ABSL_CC_LIB_IS_INTERFACE}>>:-labsl_${_NAME}>\n\
 Cflags: -I\${includedir}${PC_CFLAGS}\n")
       INSTALL(FILES "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc"
-              DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
+              DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
     endif()
   endif()