diff -Naur spack-src/src/Makefile.am spack-src.patch/src/Makefile.am
--- spack-src/src/Makefile.am	2020-04-07 09:24:34.000000000 -0400
+++ spack-src.patch/src/Makefile.am	2021-07-09 10:52:47.702886134 -0400
@@ -8,7 +8,7 @@
 noinst_HEADERS = rpc_com.h debug.h
 
 AM_CPPFLAGS = -I$(top_srcdir)/tirpc -include config.h -DPORTMAP -DINET6 \
-		-D_GNU_SOURCE -Wall -pipe
+		-D_GNU_SOURCE -Wall
 
 lib_LTLIBRARIES = libtirpc.la
 
diff -Naur spack-src/src/Makefile.in spack-src.patch/src/Makefile.in
--- spack-src/src/Makefile.in	2020-04-07 09:26:28.000000000 -0400
+++ spack-src.patch/src/Makefile.in	2021-07-09 10:52:55.102361747 -0400
@@ -455,7 +455,7 @@
 top_srcdir = @top_srcdir@
 noinst_HEADERS = rpc_com.h debug.h
 AM_CPPFLAGS = -I$(top_srcdir)/tirpc -include config.h -DPORTMAP -DINET6 \
-		-D_GNU_SOURCE -Wall -pipe
+		-D_GNU_SOURCE -Wall
 
 lib_LTLIBRARIES = libtirpc.la
 libtirpc_la_LDFLAGS = @LDFLAG_NOUNDEFINED@ -no-undefined -lpthread \