nixpkgs/pkgs/development/libraries/libaom/outputs.patch

diff --git a/build/cmake/aom_install.cmake b/build/cmake/aom_install.cmake
index 0bd2bf035..5cf5acea8 100644
--- a/build/cmake/aom_install.cmake
+++ b/build/cmake/aom_install.cmake
@@ -42,8 +42,8 @@ macro(setup_aom_install_targets)
               -DAOM_ROOT=${AOM_ROOT}
               -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
               -DCMAKE_INSTALL_BINDIR=${CMAKE_INSTALL_BINDIR}
-              -DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR}
-              -DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR}
+              -DCMAKE_INSTALL_FULL_INCLUDEDIR=${CMAKE_INSTALL_FULL_INCLUDEDIR}
+              -DCMAKE_INSTALL_FULL_LIBDIR=${CMAKE_INSTALL_FULL_LIBDIR}
               -DCMAKE_PROJECT_NAME=${CMAKE_PROJECT_NAME}
               -DCONFIG_MULTITHREAD=${CONFIG_MULTITHREAD}
               -DCONFIG_TUNE_VMAF=${CONFIG_TUNE_VMAF}
@@ -84,12 +84,12 @@ macro(setup_aom_install_targets)
     # Setup the install rules. install() will automatically prepend
     # CMAKE_INSTALL_PREFIX to relative paths
     install(FILES ${AOM_INSTALL_INCS}
-            DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/aom")
+            DESTINATION "${CMAKE_INSTALL_FULL_INCLUDEDIR}/aom")
     install(FILES "${AOM_PKG_CONFIG_FILE}"
-            DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+            DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}/pkgconfig")
     install(TARGETS ${AOM_INSTALL_LIBS};${AOM_INSTALL_BINS}
-            RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
-            LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-            ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}")
+            RUNTIME DESTINATION "${CMAKE_INSTALL_FULL_BINDIR}"
+            LIBRARY DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}"
+            ARCHIVE DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}")
   endif()
 endmacro()
diff --git a/build/cmake/pkg_config.cmake b/build/cmake/pkg_config.cmake
index e8fff2e77..b8a73aad4 100644
--- a/build/cmake/pkg_config.cmake
+++ b/build/cmake/pkg_config.cmake
@@ -11,8 +11,8 @@
 cmake_minimum_required(VERSION 3.5)
 
 set(REQUIRED_ARGS "AOM_ROOT" "AOM_CONFIG_DIR" "CMAKE_INSTALL_PREFIX"
-                  "CMAKE_INSTALL_BINDIR" "CMAKE_INSTALL_INCLUDEDIR"
-                  "CMAKE_INSTALL_LIBDIR" "CMAKE_PROJECT_NAME"
+                  "CMAKE_INSTALL_BINDIR" "CMAKE_INSTALL_FULL_INCLUDEDIR"
+                  "CMAKE_INSTALL_FULL_LIBDIR" "CMAKE_PROJECT_NAME"
                   "CONFIG_MULTITHREAD")
 
 foreach(arg ${REQUIRED_ARGS})
@@ -35,15 +35,15 @@ else()
 endif()
 
 # Write pkg-config info.
-set(prefix "${CMAKE_INSTALL_PREFIX}")
-set(bindir "${CMAKE_INSTALL_BINDIR}")
-set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
-set(libdir "${CMAKE_INSTALL_LIBDIR}")
+get_filename_component(prefix "${CMAKE_INSTALL_FULL_INCLUDEDIR}" DIRECTORY)
+get_filename_component(exec_prefix "${CMAKE_INSTALL_FULL_LIBDIR}" DIRECTORY)
+get_filename_component(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}" NAME)
+get_filename_component(libdir "${CMAKE_INSTALL_FULL_LIBDIR}" NAME)
 set(pkgconfig_file "${AOM_CONFIG_DIR}/aom.pc")
 string(TOLOWER ${CMAKE_PROJECT_NAME} pkg_name)
 file(WRITE "${pkgconfig_file}" "# libaom pkg-config.\n")
 file(APPEND "${pkgconfig_file}" "prefix=${prefix}\n")
-file(APPEND "${pkgconfig_file}" "exec_prefix=\${prefix}\n")
+file(APPEND "${pkgconfig_file}" "exec_prefix=${exec_prefix}\n")
 file(APPEND "${pkgconfig_file}" "includedir=\${prefix}/${includedir}\n")
 file(APPEND "${pkgconfig_file}" "libdir=\${exec_prefix}/${libdir}\n\n")
 file(APPEND "${pkgconfig_file}" "Name: ${pkg_name}\n")