Fix logroate compilation on older kernels.

Sometimes O_CLOEXEC is not available.

component/logrotate/buildout.cfg

@@ -3,10 +3,20 @@ extends =
   ../popt/buildout.cfg
 parts = logrotate
 
+[logrotate-3.7.9-O_CLOEXEC.optional.patch]
+recipe = hexagonit.recipe.download
+url = ${:_profile_base_location_}/${:filename}
+download-only = true
+md5sum = 6beac248c978b767d4bccc1b7eebe6bd
+filename = ${:_buildout_section_name_}
+
 [logrotate]
 recipe = hexagonit.recipe.cmmi
 url = https://fedorahosted.org/releases/l/o/logrotate/logrotate-3.7.9.tar.gz
 md5sum = eeba9dbca62a9210236f4b83195e4ea5
+patch-options = -p1
+patches =
+  ${logrotate-3.7.9-O_CLOEXEC.optional.patch:location}/${logrotate-3.7.9-O_CLOEXEC.optional.patch:filename}
 configure-command = true
 make-options = PREFIX=${buildout:parts-directory}/${:_buildout_section_name_} 
 environment =

component/logrotate/logrotate-3.7.9-O_CLOEXEC.optional.patch

+diff --git a/config.c b/config.c
+index e6d5d1d..dd004a9 100644
+--- a/config.c
++++ b/config.c
+@@ -519,7 +519,11 @@ static int readConfigFile(const char *configFile, struct logInfo *defConfig)
+        length arrays -- of course, if we aren't run setuid it doesn't
+        matter much */
+ 
++#ifdef O_CLOEXEC
+     fd = open(configFile, O_RDONLY | O_CLOEXEC);
++#else
++    fd = open(configFile, O_RDONLY);
++#endif
+     if (fd < 0) {
+ 	message(MESS_ERROR, "failed to open config file %s: %s\n",
+ 		configFile, strerror(errno));