Make Clixon build on MacOS.

apps/backend/Makefile.in

@@ -45,7 +45,13 @@ CPPFLAGS       	+= -fPIC
 endif
 SH_SUFFIX	= @SH_SUFFIX@
 LIBSTATIC_SUFFIX = @LIBSTATIC_SUFFIX@
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 ifneq ($(LINKAGE),dynamic)
 LDFLAGS 	+=  -rdynamic -L.

apps/cli/Makefile.in

@@ -49,7 +49,13 @@ CPPFLAGS  	+= -fPIC
 endif
 SH_SUFFIX	= @SH_SUFFIX@
 LIBSTATIC_SUFFIX = @LIBSTATIC_SUFFIX@
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@	
 ifneq ($(LINKAGE),dynamic)
  # -rdynamic for using -ldl

apps/netconf/Makefile.in

@@ -38,7 +38,13 @@ top_srcdir  	= @top_srcdir@
 CC		= @CC@
 CFLAGS  	= @CFLAGS@ 
 LINKAGE         = @LINKAGE@
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 
 prefix 		= @prefix@

apps/restconf/Makefile.in

@@ -41,7 +41,13 @@ top_srcdir  	= @top_srcdir@
 CC		= @CC@
 CFLAGS  	= @CFLAGS@ 
 LINKAGE         = @LINKAGE@
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 
 prefix 		= @prefix@

apps/snmp/Makefile.in

@@ -37,7 +37,13 @@ top_srcdir  	= @top_srcdir@
 CC		= @CC@
 CFLAGS  	= @CFLAGS@ 
 LINKAGE         = @LINKAGE@
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 
 prefix 		= @prefix@

example/main/Makefile.in

@@ -60,7 +60,13 @@ CLIXON_DEFAULT_CONFIG = @CLIXON_DEFAULT_CONFIG@
 
 CC		= @CC@
 CFLAGS  	= @CFLAGS@ -fPIC
-INSTALLFLAGS  	= @INSTALLFLAGS@ 
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 with_restconf	= @with_restconf@
 
 INCLUDES 	= -I$(includedir) @INCLUDES@ 

lib/src/Makefile.in

@@ -61,7 +61,13 @@ SH_SUFFIX	= @SH_SUFFIX@
 LIBSTATIC_SUFFIX = @LIBSTATIC_SUFFIX@
 INSTALL		= @INSTALL@
 INSTALL_LIB	= @INSTALL@
-INSTALLFLAGS  	= @INSTALLFLAGS@
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 LIBS    	= @LIBS@ 
 

lib/src/clixon_netns.c

@@ -134,12 +134,26 @@ create_socket(struct sockaddr *sa,
 	goto done;
     }
     /* create inet socket */
-    if ((s = socket(sa->sa_family,
+
-		    SOCK_STREAM | SOCK_CLOEXEC | flags,
+#ifndef __APPLE__
+    flags = SOCK_STREAM | SOCK_CLOEXEC | flags;
+#else
+    flags = SOCK_STREAM | flags;
+#endif
+
+    if ((s = socket(sa->sa_family, flags,
 		    0)) < 0) {
 	clicon_err(OE_UNIX, errno, "socket");
 	goto done;
     }
+
+#ifdef __APPLE__
+    if (fcntl(s, O_CLOEXEC)) {
+	clicon_err(OE_UNIX, errno, "fcntl");
+	goto done;
+    }
+#endif
+
     if (setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on)) == -1) {
 	clicon_err(OE_UNIX, errno, "setsockopt SO_KEEPALIVE");
 	goto done;
@@ -201,11 +215,30 @@ fork_netns_socket(const char      *netns,
     char        nspath[MAXPATHLEN]; /* Path to namespace file */
     struct stat st;
 
+#ifdef __APPLE__
+    int         sock_flags = SOCK_DGRAM;
+#else
+    int         sock_flags = SOCK_DGRAM | SOCK_CLOEXEC;
+#endif
+
     clicon_debug(1, "%s %s", __FUNCTION__, netns);
-    if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, sp) < 0){
+    if (socketpair(AF_UNIX, sock_flags, 0, sp) < 0){
 	clicon_err(OE_UNIX, errno, "socketpair");
 	goto done;
     }
+
+#ifdef __APPLE__
+    if (fcntl(sp[0], O_CLOEXEC)) {
+	clicon_err(OE_UNIX, errno, "fcntl, sp[0]");
+	goto done;
+    }
+
+    if (fcntl(sp[1], O_CLOEXEC)) {
+	clicon_err(OE_UNIX, errno, "fcntl, sp[1]");
+	goto done;
+    }
+#endif
+
     /* Check namespace exists */
     sprintf(nspath,"/var/run/netns/%s", netns);	
     if (stat(nspath, &st) < 0){

lib/src/clixon_proc.c

@@ -181,15 +181,34 @@ clixon_proc_socket(char **argv,
     sigfn_t  oldhandler = NULL;
     sigset_t oset;
     int      sig = 0;
+
+#ifdef __APPLE__
+    int         sock_flags = SOCK_DGRAM;
+#else
+    int         sock_flags = SOCK_DGRAM | SOCK_CLOEXEC;
+#endif
     
     if (argv == NULL){
 	clicon_err(OE_UNIX, EINVAL, "argv is NULL");
 	goto done;
     }
-    if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, sp) < 0){
+    if (socketpair(AF_UNIX, sock_flags, 0, sp) < 0){
 	clicon_err(OE_UNIX, errno, "socketpair");
 	goto done;
     }
+
+#ifdef __APPLE__
+    if (fcntl(sp[0], O_CLOEXEC)) {
+	clicon_err(OE_UNIX, errno, "fcntl, sp[0]");
+	goto done;
+    }
+
+    if (fcntl(sp[1], O_CLOEXEC)) {
+	clicon_err(OE_UNIX, errno, "fcntl, sp[1]");
+	goto done;
+    }
+#endif
+
     sigprocmask(0, NULL, &oset);
     set_signal(SIGINT, clixon_proc_sigint, &oldhandler);
     sig++;

util/Makefile.in

@@ -59,7 +59,13 @@ CC		= @CC@
 CFLAGS  	= @CFLAGS@
 INSTALL		= @INSTALL@
 INSTALL_LIB	= @INSTALL@
-INSTALLFLAGS  	= @INSTALLFLAGS@
+
+ifeq ($(HOST_VENDOR),apple)
+INSTALLFLAGS =
+else
+INSTALLFLAGS = @INSTALLFLAGS@
+endif
+
 LDFLAGS 	= @LDFLAGS@
 LIBS    	= @LIBS@
 CPPFLAGS  	= @CPPFLAGS@