build: don't override CFLAGS when building libevent

We still want for example the minimal macOS version.

diff --git a/src/daemon/Makefile.am b/src/daemon/Makefile.am
index 9c00ca132ce255d0c18907bac37eba16f645637a..98cbba85b688d3cdeaf7d8de0696dd1f6adbd757 100644 (file)
--- a/src/daemon/Makefile.am
+++ b/src/daemon/Makefile.am
@@ -149,7 +149,7 @@ endif
 if LIBEVENT_EMBEDDED
 event.c: $(top_builddir)/libevent/libevent.la
 $(top_builddir)/libevent/libevent.la: $(top_srcdir)/libevent/*.c $(top_srcdir)/libevent/*.h
-       (cd $(top_builddir)/libevent && $(MAKE) CFLAGS=-Wno-deprecated-declarations)
+       (cd $(top_builddir)/libevent && $(MAKE) CFLAGS="$${CFLAGS} -Wno-deprecated-declarations")
 endif
 
 ## systemd service file