- workaround for https://github.com/ERGO-Code/HiGHS/issues/503

--- src/CMakeLists.txt.orig	2021-05-02 22:26:02 UTC
+++ src/CMakeLists.txt
@@ -329,7 +329,7 @@ if (OSI_FOUND)
     configure_file(${HIGHS_SOURCE_DIR}/osi-highs.pc.in
         "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/osi-highs.pc" @ONLY)
     install(FILES "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/osi-highs.pc"
-        DESTINATION lib/pkg-config)
+        DESTINATION libdata/pkgconfig)
 endif()
 
 
@@ -409,7 +409,7 @@ install(EXPORT highs-targets FILE highs-targets.cmake 
 install(FILES "${HIGHS_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/highs-config.cmake" 
     DESTINATION lib/cmake/highs)
 install(FILES "${HIGHS_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/highs.pc" 
-    DESTINATION lib/pkg-config)
+    DESTINATION libdata/pkgconfig)
 
 else()