https://bugs.gentoo.org/832365
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ LOCALSTATEDIR ?= /var/lib
 
 CFLAGS += $(shell libassuan-config --cflags)
 CFLAGS += $(shell libgcrypt-config --cflags)
-CFLAGS += --pedantic -Wall -Werror -std=c99
+CFLAGS += --pedantic -Wall -std=c99
 LIBS += $(shell libassuan-config --libs)
 LIBS += $(shell libgcrypt-config --libs)