* configure.in: Simplify/fix systemd detection: move later to fix

  autoconf warnings; define HAVE_SYSTEMD rather than using CPPFLAGS.

* server/listen.c: Use HAVE_SYSTEMD for systemd #define.

* modules/arch/unix/config5.m4: Update systemd headers check.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1528032 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/configure.in b/configure.in
index bcde867078517527b0150c7f1b686cd34745678f..5fd99f37a116c089fdf073c7c1b20e78a8478f72 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -322,15 +322,6 @@ case $host in
       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
       ;;
   *-linux-*)
-      AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
-      AC_CHECK_HEADERS(systemd/sd-daemon.h, [ap_HAVE_SD_DAEMON_H="yes"], [ap_HAVE_SD_DAEMON_H="no"])
-      if test $ap_HAVE_SD_DAEMON_H = "no" || test -z "${SYSTEMD_LIBS}"; then
-        AC_MSG_WARN([Your system does not support systemd.])
-      else
-        APR_ADDTO(LIBS, $SYSTEMD_LIBS)
-        APR_ADDTO(INTERNAL_CPPFLAGS, [-DAP_SYSTEMD_SUPPORT])
-      fi
-
       case `uname -r` in
         # Unserialized accept() was not recommended until Linux 2.2.
         [[01]].* | 2.[[01]]* )
@@ -522,6 +513,19 @@ if test "$ac_cv_struct_tm_gmtoff" = "yes"; then
     AC_DEFINE(HAVE_GMTOFF, 1, [Define if struct tm has a tm_gmtoff field])
 fi
 
+dnl Check for systemd support for listen.c's socket activation.
+case $host in
+*-linux-*)
+      AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
+      AC_CHECK_HEADERS(systemd/sd-daemon.h)
+      if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
+        AC_MSG_WARN([Your system does not support systemd.])
+      else
+        APR_ADDTO(LIBS, $SYSTEMD_LIBS)
+        AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported])
+      fi
+esac
+
 dnl ## Set up any appropriate OS-specific environment variables for apachectl
 
 case $host in

diff --git a/modules/arch/unix/config5.m4 b/modules/arch/unix/config5.m4
index a992ae2813c1a9ac22c7258f38602a75725e9645..e6c154ba1fea605777903d077ac5d378b3650be1 100644 (file)
--- a/modules/arch/unix/config5.m4
+++ b/modules/arch/unix/config5.m4
@@ -21,7 +21,7 @@ APACHE_MODULE(privileges, Per-virtualhost Unix UserIDs and enhanced security for
 ])
 
 APACHE_MODULE(systemd, Systemd support, , , all, [
-  if test $ap_HAVE_SD_DAEMON_H = "no" || test -z "${SYSTEMD_LIBS}"; then
+  if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
     AC_MSG_WARN([Your system does not support systemd.])
     enable_systemd="no"
   else

diff --git a/server/listen.c b/server/listen.c
index 7cf2e5f0cf3c9fdf2f5159e8b55c5093ed994822..f9c4266d3a3ecab3e25c4865b8a7b0b7916a0b13 100644 (file)
--- a/server/listen.c
+++ b/server/listen.c
@@ -28,7 +28,7 @@
 #include "http_log.h"
 #include "mpm_common.h"
 
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
 #include <systemd/sd-daemon.h>
 #endif
 
@@ -42,7 +42,7 @@ static ap_listen_rec *old_listeners;
 static int ap_listenbacklog;
 static int send_buffer_size;
 static int receive_buffer_size;
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
 static int use_systemd;
 #endif
 
@@ -249,7 +249,7 @@ static apr_status_t close_listeners_on_exec(void *v)
 }
 
 
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
 
 static apr_status_t alloc_systemd_listener(process_rec * process,
                                            int fd,
@@ -371,7 +371,7 @@ static int open_systemd_listeners(process_rec *process)
     return 0;
 }
 
-#endif /* AP_SYSTEMD_SUPPORT */
+#endif /* HAVE_SYSTEMD */
 
 static const char *alloc_listener(process_rec *process, char *addr,
                                   apr_port_t port, const char* proto,
@@ -692,7 +692,7 @@ AP_DECLARE(int) ap_setup_listeners(server_rec *s)
     }
 
 
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
     if (use_systemd) {
         if (open_systemd_listeners(s->process) != 0) {
             return 0;
@@ -778,7 +778,7 @@ AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
     }
 
     if (strcmp("systemd", argv[0]) == 0) {
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
       use_systemd = 1;
       if (ap_listeners != NULL) {
         return "systemd socket activation support must be used exclusive of normal listeners.";
@@ -789,7 +789,7 @@ AP_DECLARE_NONSTD(const char *) ap_set_listener(cmd_parms *cmd, void *dummy,
 #endif
     }
 
-#ifdef AP_SYSTEMD_SUPPORT
+#ifdef HAVE_SYSTEMD
     if (use_systemd) {
       return "systemd socket activation support must be used exclusive of normal listeners.";
     }