[PATCH 12/13] Simplify check for syslog.h

[Ruben Kerkhof]

---
 configure.ac      | 3 +--
 sysdep/unix/log.c | 8 ++++----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index d8f81d09..868b989b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -313,8 +313,7 @@ case $sysdesc in
     ;;
 esac
 
-AC_CHECK_HEADER([syslog.h], [AC_DEFINE([HAVE_SYSLOG], [1], [Define to 1 if you have the <syslog.h> header file])])
-AC_CHECK_HEADERS_ONCE([alloca.h])
+AC_CHECK_HEADERS_ONCE([alloca.h syslog.h])
 
 AC_MSG_CHECKING([whether 'struct sockaddr' has sa_len])
 AC_COMPILE_IFELSE([
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c
index b89e6b7a..88a7188c 100644
--- a/sysdep/unix/log.c
+++ b/sysdep/unix/log.c
@@ -56,7 +56,7 @@ static int main_thread_self(void) { return 1; }
 #endif
 
 
-#ifdef HAVE_SYSLOG
+#ifdef HAVE_SYSLOG_H
 #include <sys/syslog.h>
 
 static int syslog_priorities[] = {
@@ -127,7 +127,7 @@ log_commit(int class, buffer *buf)
 	  fputc('\n', l->fh);
 	  fflush(l->fh);
 	}
-#ifdef HAVE_SYSLOG
+#ifdef HAVE_SYSLOG_H
       else
 	syslog(syslog_priorities[class], "%s", buf->start);
 #endif
@@ -262,7 +262,7 @@ default_log_list(int debug, int init, char **syslog_name)
   init_list(&init_log_list);
   *syslog_name = NULL;
 
-#ifdef HAVE_SYSLOG
+#ifdef HAVE_SYSLOG_H
   if (!debug)
     {
       static struct log_config lc_syslog = { .mask = ~0 };
@@ -287,7 +287,7 @@ log_switch(int debug, list *l, char *new_syslog_name)
 
   current_log_list = l;
 
-#ifdef HAVE_SYSLOG
+#ifdef HAVE_SYSLOG_H
   if (current_syslog_name && new_syslog_name &&
       !strcmp(current_syslog_name, new_syslog_name))
     return;
-- 
2.12.0