--- gtkada-21.0.0/Makefile.in	2020-10-08 00:48:44.000000000 +1100
+++ gtkada-21.0.0/Makefile.in-new	2021-06-22 12:58:52.737613007 +1000
@@ -26,7 +26,7 @@
 PROCESSORS   = 0
 
 # Location (under $prefix) where the project files should be copied
-PRJDIR=lib/gnat
+PRJDIR=share/gpr
 
 GPRBUILD_FULL = ${GPRBUILD} -j${PROCESSORS} -m -p ${GPRBUILD_SWITCHES}
 GPRINSTALL_FULL = ${GPRINSTALL} -p -f --project-subdir=$(PRJDIR) \