--- autoconf-2.64/bin/Makefile.in.orig	2009-07-27 04:28:43.000000000 +0100
+++ autoconf-2.64/bin/Makefile.in	2021-05-06 23:48:43.296357404 +0100
@@ -53,10 +53,10 @@
 # 02110-1301, USA.
 
 VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
+pkgdatadir = $(datadir)/@PACKAGE@-2.64
+pkgincludedir = $(includedir)/@PACKAGE@-2.64
+pkglibdir = $(libdir)/@PACKAGE@-2.64
+pkglibexecdir = $(libexecdir)/@PACKAGE@-2.64
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
@@ -283,9 +283,9 @@
 	-e 's|@bindir[@]|$(bindir)|g' \
 	-e 's|@pkgdatadir[@]|$(pkgdatadir)|g' \
 	-e 's|@prefix[@]|$(prefix)|g' \
-	-e 's|@autoconf-name[@]|'`echo autoconf | sed '$(transform)'`'|g' \
-	-e 's|@autoheader-name[@]|'`echo autoheader | sed '$(transform)'`'|g' \
-	-e 's|@autom4te-name[@]|'`echo autom4te | sed '$(transform)'`'|g' \
+	-e 's|@autoconf-name[@]|'`echo autoconf-2.64 | sed '$(transform)'`'|g' \
+	-e 's|@autoheader-name[@]|'`echo autoheader-2.64 | sed '$(transform)'`'|g' \
+	-e 's|@autom4te-name[@]|'`echo autom4te-2.64 | sed '$(transform)'`'|g' \
 	-e 's|@M4[@]|$(M4)|g' \
 	-e 's|@M4_DEBUGFILE[@]|$(M4_DEBUGFILE)|g' \
 	-e 's|@M4_GNU[@]|$(M4_GNU)|g' \
--- autoconf-2.64/lib/Makefile.in.orig	2009-07-27 04:28:44.000000000 +0100
+++ autoconf-2.64/lib/Makefile.in	2021-05-07 00:21:50.717431704 +0100
@@ -34,10 +34,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkglibexecdir = $(libexecdir)/@PACKAGE@
+pkgdatadir = $(datadir)/@PACKAGE@-2.64
+pkgincludedir = $(includedir)/@PACKAGE@-2.64
+pkglibdir = $(libdir)/@PACKAGE@-2.64
+pkglibexecdir = $(libexecdir)/@PACKAGE@-2.64
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
@@ -223,9 +223,9 @@
 	-e 's|@bindir[@]|$(bindir)|g' \
 	-e 's|@pkgdatadir[@]|$(pkgdatadir)|g' \
 	-e 's|@prefix[@]|$(prefix)|g' \
-	-e 's|@autoconf-name[@]|'`echo autoconf | sed '$(transform)'`'|g' \
-	-e 's|@autoheader-name[@]|'`echo autoheader | sed '$(transform)'`'|g' \
-	-e 's|@autom4te-name[@]|'`echo autom4te | sed '$(transform)'`'|g' \
+	-e 's|@autoconf-name[@]|'`echo autoconf-2.64 | sed '$(transform)'`'|g' \
+	-e 's|@autoheader-name[@]|'`echo autoheader-2.64 | sed '$(transform)'`'|g' \
+	-e 's|@autom4te-name[@]|'`echo autom4te-2.64 | sed '$(transform)'`'|g' \
 	-e 's|@M4[@]|$(M4)|g' \
 	-e 's|@AWK[@]|$(AWK)|g' \
 	-e 's|@VERSION[@]|$(VERSION)|g' \