--- Makefile.build.orig	2021-10-20 22:20:35 UTC
+++ Makefile.build
@@ -137,7 +137,7 @@ static_dll_objsubdirs := $(srcsubdirs:%=$(static_dll_o
 # build_dir/dist: binaries + libraries with distribution not linked with GMP
 # build_dir/static_dist: includes GMP (statically linked)
 #
-dist_dir = $(build_dir)/dist
+dist_dir = $(build_dir)
 static_dist_dir = $(build_dir)/static_dist
 
 
@@ -481,7 +481,7 @@ install-default:
 	$(MKDIR_P) $(DESTDIR)$(bindir)
 	$(MKDIR_P) $(DESTDIR)$(libdir)
 	$(MKDIR_P) $(DESTDIR)$(includedir)
-	$(INSTALL) -m 664 $(dist_dir)/include/* $(DESTDIR)$(includedir)
+	$(INSTALL) -m 664 $(dist_dir)/../../src/include/* $(DESTDIR)$(includedir)
 	$(INSTALL) $(dist_dir)/bin/* $(DESTDIR)$(bindir)
 	$(INSTALL) $(dist_dir)/lib/* $(DESTDIR)$(libdir)