diff --git a/grass-pkgconfig.patch b/grass-pkgconfig.patch
new file mode 100644
index 0000000..9afaf06
--- /dev/null
+++ b/grass-pkgconfig.patch
@@ -0,0 +1,24 @@
+Index: grass-7.8.6/grass.pc.in
+===================================================================
+--- grass-7.8.6.orig/grass.pc.in
++++ grass-7.8.6/grass.pc.in
+@@ -2,13 +2,13 @@
+ #
+ # See also: grass@GRASS_VERSION_MAJOR@@GRASS_VERSION_MINOR@ --config
+ 
+-prefix=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
+-exec_prefix=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
+-libdir=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib
+-includedir=@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
++prefix=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
++exec_prefix=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
++libdir=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib
++includedir=@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
+ 
+ Name: GRASS
+ Description: GRASS GIS
+ Version: @GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@
+-Libs: -L@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib -lgrass_gmath -lgrass_gis -lgrass_datetime -lgrass_gproj -lgrass_raster -lgrass_vector -lgrass_dbmibase -lgrass_dbmiclient -lm -lz
+-Cflags: -I@prefix@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include
++Libs: -L@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/lib -lgrass_gmath -lgrass_gis -lgrass_datetime -lgrass_gproj -lgrass_raster -lgrass_vector -lgrass_dbmibase -lgrass_dbmiclient -lm -lz
++Cflags: -I@libdir@/grass-@GRASS_VERSION_MAJOR@.@GRASS_VERSION_MINOR@.@GRASS_VERSION_RELEASE@/include