X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/2603405406a9065839e28d938b63f4ce2816fdc2..exim-4_80_RC4:/src/OS/os.h-Linux

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 9607c16b6..5186ec89d 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,15 +1,40 @@
-/* $Cambridge: exim/src/OS/os.h-Linux,v 1.2 2004/11/12 11:39:34 ph10 Exp $ */
-
 /* Exim: OS-specific C header file for Linux */
 
+/* Some weird variants may require invocation with C99 and features.h
+inclusion to build, with the 64-bit arithmetic. Make compiler selection
+their problem, but build anyway. */
+
+#include <features.h>
+
+
 #define CRYPT_H
 #define GLIBC_IP_OPTIONS
 #define HAVE_MMAP
+#define HAVE_BSD_GETLOADAVG
 #define HAVE_SYS_STATVFS_H
 #define NO_IP_VAR_H
-#define SIOCGIFCONF_GIVES_ADDR
 #define SIG_IGN_WORKS
 
+/* When using the DKIM, setting HAVE_LINUX_SENDFILE can increase
+performance on outgoing mail a bit. Note: With older glibc versions
+this setting will conflict with the _FILE_OFFSET_BITS=64 setting
+defined as part of the Linux CFLAGS. */
+
+/* #define HAVE_LINUX_SENDFILE */
+
+#define F_FREESP     O_TRUNC
+typedef struct flock flock_t;
+
+#define os_strsignal strsignal
+#define OS_STRSIGNAL
+
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD_kernel__)
+#define SIOCGIFCONF_GIVES_ADDR
+#define HAVE_SYS_MOUNT_H
+#endif
+
+#if defined(__linux__)
+
 /* Some versions of Linux need explicit sync-ing of directories as well as
 files. This setting requests that. If the directory is on NFS, it may not
 be possible to sync it - in that case, Exim now should ignore the error. But
@@ -22,12 +47,6 @@ storage" as quickly as Exim thinks they are. */
 /* Other OS have "const" in here */
 #define ICONV_ARG2_TYPE char **
 
-#define F_FREESP     O_TRUNC
-typedef struct flock flock_t;
-
-#define os_strsignal strsignal
-#define OS_STRSIGNAL
-
 #define os_find_running_interfaces os_find_running_interfaces_linux
 
 /* Need a prototype for the Linux-specific function. The structure hasn't
@@ -36,4 +55,6 @@ been defined yet, so we need to pre-declare it. */
 struct ip_address_item;
 extern struct ip_address_item *os_find_running_interfaces_linux(void);
 
+#endif /* __linux__ */
+
 /* End */