Fix build failure because of missing destdir in extension Makefile

gawk-4.1.1-build-baddest.patch

@@ -0,0 +1,24 @@
+diff -urNp gawk-4.1.1-bak/extension/Makefile.am gawk-4.1.1/extension/Makefile.am
+--- gawk-4.1.1-bak/extension/Makefile.am	2014-02-20 19:42:25.000000000 +0100
++++ gawk-4.1.1/extension/Makefile.am	2014-04-21 11:56:49.227755196 +0200
+@@ -100,7 +100,7 @@ testext_la_LIBADD     = $(MY_LIBS)
+ 
+ install-data-hook:
+ 	for i in $(pkgextension_LTLIBRARIES) ; do \
+-		$(RM) $(pkgextensiondir)/$$i ; \
++		$(RM) ${DESTDIR}$(pkgextensiondir)/$$i ; \
+ 	done
+ 
+ # Keep the uninstall check working:
+diff -urNp gawk-4.1.1-bak/extension/Makefile.in gawk-4.1.1/extension/Makefile.in
+--- gawk-4.1.1-bak/extension/Makefile.in	2014-04-08 18:13:03.000000000 +0200
++++ gawk-4.1.1/extension/Makefile.in	2014-04-21 11:57:54.884756674 +0200
+@@ -1231,7 +1231,7 @@ uninstall-man: uninstall-man3
+ 
+ install-data-hook:
+ 	for i in $(pkgextension_LTLIBRARIES) ; do \
+-		$(RM) $(pkgextensiondir)/$$i ; \
++		$(RM) $(DESTDIR)$(pkgextensiondir)/$$i ; \
+ 	done
+ 
+ # Keep the uninstall check working:

gawk.spec

@@ -9,6 +9,7 @@ License: GPLv3+ and GPL and LGPLv3+ and LGPL and BSD
 Group: Applications/Text
 URL: http://www.gnu.org/software/gawk/gawk.html
 Source0: http://ftp.gnu.org/gnu/gawk/gawk-%{version}.tar.xz
+Patch1: gawk-4.1.1-build-baddest.patch
 Requires(post): /sbin/install-info
 Requires(preun): /sbin/install-info
 Conflicts: filesystem < 3
@@ -26,6 +27,7 @@ considered to be a standard Linux tool for processing text.
 
 %prep
 %setup -q
+%patch1 -p1 -b .baddest
 
 %build
 %configure --with-libsigsegv-prefix=no