[UNIKRAFT/LIBMEMCACHED PATCH 5/7] Provide main() function if configured to do so

[gaulthier.gain@xxxxxxxxx]

From: gaulthier gain <gaulthier.gain@xxxxxxxxx>

We add a config option for enabling the main() function provided by
our Memcached glue code.

Signed-off-by: gaulthier gain <gaulthier.gain@xxxxxxxxx>
---
 Config.uk   | 9 ++++++++-
 Makefile.uk | 8 ++++++++
 main.c      | 8 ++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 main.c

diff --git a/Config.uk b/Config.uk
index 1611588..9c5d57a 100644
--- a/Config.uk
+++ b/Config.uk
@@ -1,4 +1,11 @@
-config LIBMEMCACHED
+menuconfig LIBMEMCACHED
        bool "libmemcached - Memcached"
        default y
         select LIBLIBEVENT
+
+if LIBMEMCACHED
+config LIBMEMCACHED_MAIN_FUNCTION
+        bool "Provide main function"
+        default n
+endif
+       
diff --git a/Makefile.uk b/Makefile.uk
index 2e07f4e..636435f 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -74,9 +74,17 @@ LIBMEMCACHED_SUPPRESS_FLAGS-$(call gcc_version_ge,7,0) 
+=-Wimplicit-fallthrough=
 LIBMEMCACHED_CFLAGS-y += $(LIBMEMCACHED_FLAGS)
 LIBMEMCACHED_CFLAGS-y += $(LIBMEMCACHED_SUPPRESS_FLAGS-y)
 
+################################################################################
+# Glue code
+################################################################################
+LIBMEMCACHED_SRCS-$(CONFIG_LIBMEMCACHED_MAIN_FUNCTION) += 
$(LIBMEMCACHED_BASE)/main.c|unikraft
+
 
################################################################################
 # Memcached sources
 
################################################################################
+# Rename the main function found in memcached.c to memcached_main
+LIBMEMCACHED_MEMCACHED_FLAGS-y += -Dmain=memcached_main
+
 LIBMEMCACHED_SRCS-y += $(LIBMEMCACHED)/assoc.c
 LIBMEMCACHED_SRCS-y += $(LIBMEMCACHED)/authfile.c
 LIBMEMCACHED_SRCS-y += $(LIBMEMCACHED)/bipbuffer.c
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..6a2b1f4
--- /dev/null
+++ b/main.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+extern int memcached_main(int argc, char *argv[]);
+
+int main(int argc, char *argv[])
+{
+    printf("HeyHey\n");
+    return memcached_main(argc, argv);
+}
-- 
2.17.1