avoid compiler warnings about unused vars in generated code

* src/Makefile.am: Compile protocol.c into a convenience library, so it
can have its own CFLAGS, and link that with the destination one.

diff --git a/src/Makefile.am b/src/Makefile.am
index c6006d2..9eb71b9 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -48,6 +48,14 @@ BUILT_SOURCES = \
   guestfs-actions.c \
   guestfs-bindtests.c
 
+# This convenience library is solely to avoid compiler warnings
+# in its generated sources.
+libprotocol_la_SOURCES = \
+  guestfs_protocol.c \
+  guestfs_protocol.h
+
+libprotocol_la_CFLAGS = -Wall -Wno-unused
+
 $(BUILT_SOURCES): stamp-generator
 
 CLEANFILES = guestfs_protocol.c guestfs_protocol.h
@@ -98,13 +106,15 @@ libguestfs_la_LDFLAGS = -version-info $(MAX_PROC_NR):0:$(MAX_PROC_NR)
 libguestfs_la_SOURCES = \
        guestfs.c \
        guestfs.h \
-       guestfs_protocol.c \
-       guestfs_protocol.h \
        guestfs-actions.h \
        guestfs-actions.c \
        guestfs-bindtests.c \
        gettext.h
 
+# Make libguestfs include the convenience library.
+noinst_LTLIBRARIES = libprotocol.la
+libguestfs_la_LIBADD = libprotocol.la
+
 libguestfs_la_CFLAGS = -Wall -DGUESTFS_DEFAULT_PATH='"$(libdir)/guestfs"'
 
 if HAVE_RPCGEN