gentoo-overlay/app-admin/sysrqd/files/sysrqd-17-fix-build-system.patch

--- sysrqd-17/Makefile	2019-04-08 15:37:16.000000000 +0200
+++ sysrqd-17-ng/Makefile	2019-05-20 19:55:15.842841704 +0200
@@ -5,8 +5,9 @@
         -Wundef -Wshadow -Wcast-align -Wwrite-strings -Wsign-compare \
         -Wunused -Winit-self -Wpointer-arith -Wredundant-decls \
         -Wmissing-prototypes -Wmissing-format-attribute -Wmissing-noreturn \
-        -std=gnu99 -pipe -DSYSRQD_VERSION="\"$(VERSION)\"" -O3
+        -std=gnu99
 LDFLAGS+=-lcrypt
+CPPFLAGS+=-DSYSRQD_VERSION="\"$(VERSION)\""
 
 SBINDIR=$(DESTDIR)/usr/sbin
 #MANDIR=$(DESTDIR)/usr/share/man/man1