X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=configure.ac;h=27718fbcae9ab18652f8bbf342253213caa1395d;hb=de8e6dedcd6a2607188c5848801107d2c3d9eaf4;hp=b22a80fecd7d89f63e9bc96a89d175bf93642658;hpb=66fd2a1b23caeed5691c44ab2727f27addf5b153;p=rrdtool.git

diff --git a/configure.ac b/configure.ac
index b22a80f..27718fb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,12 +49,20 @@ AH_TOP([
 /* realloc does not support NULL as argument */
 #undef NO_NULL_REALLOC
 
+/* lets enable madvise defines in NetBSD */ 
+#if defined(__NetBSD__)
+# if !defined(_NETBSD_SOURCE)
+#  define _NETBSD_SOURCE
+# endif
+#endif
+
  ])
 
 AH_BOTTOM([
 /* make sure that we pickup the correct stuff from all headers */
-#define _XOPEN_SOURCE 600
 #ifdef HAVE_FEATURES_H
+#define _XOPEN_SOURCE 600
+#define _BSD_SOURCE 1
 # include <features.h>
 #endif
 
@@ -84,6 +92,7 @@ AH_BOTTOM([
 #ifdef HAVE_SYS_MMAN_H
 # include <sys/mman.h>
 #endif
+
 #if !defined HAVE_MADVISE && defined HAVE_POSIX_MADVISE
 /* use posix_madvise family */
 # define madvise posix_madvise
@@ -299,12 +308,6 @@ AC_ARG_ENABLE([mmap],
 [],
 [enable_mmap=yes])
 
-dnl will most likely not work on compressed filesystems, i think.. *shrug*
-AC_ARG_ENABLE([direct-io],
-[  --enable-direct-io      enable O_DIRECT if available],
-[enable_direct_io=yes],
-[])
-
 AC_ARG_ENABLE(pthread,[  --disable-pthread       disable multithread support],
 [],[enable_pthread=yes])
 
@@ -354,26 +357,6 @@ AC_HEADER_STDC
 AC_HEADER_DIRENT
 AC_CHECK_HEADERS(features.h sys/stat.h sys/types.h fcntl.h locale.h fp_class.h malloc.h unistd.h ieeefp.h math.h sys/times.h sys/param.h sys/resource.h signal.h float.h stdio.h stdlib.h errno.h string.h ctype.h)
 
-if test "x$enable_direct_io" = "xyes"; then
-AC_CACHE_CHECK([for O_DIRECT flag to open(2)],rrd_cv_HAVE_OPEN_O_DIRECT,[
-AC_TRY_COMPILE([
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif],
-[int fd = open("/dev/null", O_DIRECT);],
-rrd_cv_HAVE_OPEN_O_DIRECT=yes,rrd_cv_HAVE_OPEN_O_DIRECT=no)])
-  if test "x$rrd_cv_HAVE_OPEN_O_DIRECT" = "xyes"; then
-    AC_DEFINE(USE_DIRECT_IO,1,[Whether the open(2) accepts O_DIRECT])
-  else
-    enable_direct_io="no"
-  fi 
-else
-  enable_direct_io="no"
-fi
-
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_HEADER_TIME
@@ -415,7 +398,7 @@ if test "x$enable_mmap" = "xyes"; then
   *)
     AC_CHECK_HEADERS(sys/mman.h)
     AC_FUNC_MMAP
-    AC_CHECK_FUNCS(mmap munmap)
+    AC_CHECK_FUNCS(mmap munmap msync)
     AC_CHECK_DECLS(madvise, [], [], [#ifdef HAVE_SYS_MMAN_H
 				     # include <sys/mman.h>
 				     #endif])
@@ -863,7 +846,6 @@ echo "----------------------------------------------------------------"
 echo "Config is DONE!"
 echo
 echo "          With MMAP IO: $enable_mmap"
-echo "          Use O_DIRECT: $enable_direct_io"
 echo "       Static programs: $staticprogs"
 echo "          Perl Modules: $COMP_PERL"
 echo "           Perl Binary: $PERL"