dnl At the TOP of the HEADER
AH_TOP([
-
#ifndef RRD_CONFIG_H
#define RRD_CONFIG_H
+
/* IEEE can be prevented from raising signals with fpsetmask(0) */
#undef MUST_DISABLE_FPMASK
/* IEEE math only works if SIGFPE gets actively set to IGNORE */
-
#undef MUST_DISABLE_SIGFPE
/* realloc does not support NULL as argument */
# endif
#endif
- ])
+])
AH_BOTTOM([
-/* make sure that we pickup the correct stuff from all headers */
-#ifdef HAVE_FEATURES_H
-#undef _XOPEN_SOURCE /* keep unmodified */
-#undef _BSD_SOURCE /* keep unmodified */
-#define _XOPEN_SOURCE 600
-#define _BSD_SOURCE 1
-# include <features.h>
-#endif
-
-/* FreeBSD 4.8 wants this included BEFORE sys/types.h */
-#ifdef HAVE_SYS_MMAN_H
-# include <sys/mman.h>
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-#ifndef MAXPATH
-# ifdef PATH_MAX
-# define MAXPATH PATH_MAX
-# endif
-#endif
-#ifndef MAXPATH
-/* else try the BSD variant */
-# ifdef MAXPATHLEN
-# define MAXPATH MAXPATHLEN
-# endif
-#endif
-
-#ifdef HAVE_ERRNO_H
-# include <errno.h>
-#endif
-
-#if !defined HAVE_MADVISE && defined HAVE_POSIX_MADVISE
-/* use posix_madvise family */
-# define madvise posix_madvise
-# define MADV_NORMAL POSIX_MADV_NORMAL
-# define MADV_RANDOM POSIX_MADV_RANDOM
-# define MADV_SEQUENTIAL POSIX_MADV_SEQUENTIAL
-# define MADV_WILLNEED POSIX_MADV_WILLNEED
-# define MADV_DONTNEED POSIX_MADV_DONTNEED
-#endif
-#if defined HAVE_MADVISE || defined HAVE_POSIX_MADVISE
-# define USE_MADVISE 1
-#endif
-
-#ifdef HAVE_SYS_STAT_H
-# include <sys/stat.h>
-#endif
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#ifdef HAVE_SYS_TIMES_H
-# include <sys/times.h>
-#endif
-
-#ifdef HAVE_SYS_RESOURCE_H
-# include <sys/resource.h>
-#if (defined(__svr4__) && defined(__sun__))
-/* Solaris headers (pre 2.6) do not have a getrusage prototype.
- Use this instead. */
-extern int getrusage(int, struct rusage *);
-#endif /* __svr4__ && __sun__ */
-#endif
-
-
-/* define strrchr, strchr and memcpy, memmove in terms of bsd funcs
- make sure you are NOT using bcopy, index or rindex in the code */
-
-#ifdef STDC_HEADERS
-# include <string.h>
-#else
-# ifndef HAVE_STRCHR
-# define strchr index
-# define strrchr rindex
-# endif
-char *strchr (), *strrchr ();
-# ifndef HAVE_MEMMOVE
-# define memcpy(d, s, n) bcopy ((s), (d), (n))
-# define memmove(d, s, n) bcopy ((s), (d), (n))
-# endif
-#endif
-
-#ifdef NO_NULL_REALLOC
-# define rrd_realloc(a,b) ( (a) == NULL ? malloc( (b) ) : realloc( (a) , (b) ))
-#else
-# define rrd_realloc(a,b) realloc((a), (b))
-#endif
-
-#ifdef NEED_MALLOC_MALLOC_H
+#ifdef MUST_HAVE_MALLOC_MALLOC_H
# include <malloc/malloc.h>
#endif
-#ifdef HAVE_STDIO_H
-# include <stdio.h>
-#endif
+#include <rrd_config_bottom.h>
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
#endif
-
-#ifdef HAVE_CTYPE_H
-# include <ctype.h>
-#endif
-
-#ifdef HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# ifdef HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif
-
-#ifdef MUST_DISABLE_SIGFPE
-# include <signal.h>
-#endif
-
-#ifdef MUST_DISABLE_FPMASK
-# include <floatingpoint.h>
-#endif
-
-
-#ifdef HAVE_MATH_H
-# include <math.h>
-#endif
-
-#ifdef HAVE_FLOAT_H
-# include <float.h>
-#endif
-
-#ifdef HAVE_IEEEFP_H
-# include <ieeefp.h>
-#endif
-
-#ifdef HAVE_FP_CLASS_H
-# include <fp_class.h>
-#endif
-
-/* for Solaris */
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
-# define HAVE_ISINF 1
-# ifdef isinf
-# undef isinf /* confuse autoconf */
-# endif
-# define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
-#endif
-
-/* solaris 10 it defines isnan such that only forte can compile it ... bad bad */
-#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS))
-# undef isnan /* confuse autoconf to NOT remove this */
-# define isnan(a) (fpclass(a) == FP_SNAN || fpclass(a) == FP_QNAN)
-#endif
-
-/* for OSF1 Digital Unix */
-#if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
-# define HAVE_ISINF 1
-# define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
-#endif
-
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
-# define HAVE_ISINF 1
-# define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
-#endif
-
-#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
-# define HAVE_ISINF 1
-# define isinf(a) (fpclassify(a) == FP_INFINITE)
-#endif
-
-/* for AIX */
-#if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
-# define HAVE_ISINF 1
-# define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
-#endif
-
-#if (! defined (HAVE_FINITE) && defined (HAVE_ISFINITE))
-# define HAVE_FINITE 1
-# define finite(a) isfinite(a)
-#endif
-
-#if (! defined(HAVE_FINITE) && defined(HAVE_ISNAN) && defined(HAVE_ISINF))
-# define HAVE_FINITE 1
-# define finite(a) (! isnan(a) && ! isinf(a))
-#endif
-
-#ifndef HAVE_FINITE
-#error "Can't compile without finite function"
-#endif
-
-#ifndef HAVE_ISINF
-#error "Can't compile without isinf function"
-#endif
-
-#if (! defined(HAVE_FDATASYNC) && defined(HAVE_FSYNC))
-#define fdatasync fsync
-#endif
-
-#if (!defined(HAVE_FDATASYNC) && !defined(HAVE_FSYNC))
-#error "Can't compile with without fsync and fdatasync"
-#endif
-
-#endif /* RRD_CONFIG_H */
])
dnl Process Special Options
AC_DEFINE(HAVE_ISINF)],[AC_MSG_RESULT(no)])])
dnl finite is BSD, isfinite is C99, so prefer the latter
-AC_CACHE_CHECK([whether isfinite is broken],[have_broken_isfinite],[
+AC_CACHE_CHECK([whether isfinite is broken],[ac_cv_have_broken_isfinite],[
AC_TRY_RUN([
#ifdef HAVE_MATH_H
#include <math.h>
#endif
#endif
return 0;
-}],[
-have_broken_isfinite=no],have_broken_isfinite=yes,[
+}],[ac_cv_have_broken_isfinite=no],[ac_cv_have_broken_isfinite=yes],[
case "${target}" in
- hppa*-*-hpux*) have_broken_isfinite=yes ;;
- *-sun-solaris2.8) have_broken_isfinite=yes ;;
- *) have_broken_isfinite=no ;;
+ hppa*-*-hpux*) ac_cv_have_broken_isfinite=yes ;;
+ *-sun-solaris2.8) ac_cv_have_broken_isfinite=yes ;;
+ *) ac_cv_have_broken_isfinite=no ;;
esac])
])
-if test "x$have_broken_isfinite" = "xno"; then
+
+dnl the test does not seem to work on solaris 2.8
+dnl so lets fix this by hand
+case "${target}" in
+ *-sun-solaris2.8) ac_cv_have_broken_isfinite=yes ;;
+esac
+
+if test "x$ac_cv_have_broken_isfinite" = "xno"; then
AC_DEFINE(HAVE_ISFINITE)
else
-AC_CHECK_FUNCS(finite,[],
- [AC_CHECK_FUNCS(isfinite,[],
- [AC_MSG_CHECKING(for isfinite with <math.h>)
- AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
+ AC_CHECK_FUNCS(finite,[],
+ [AC_CHECK_FUNCS(isfinite,[],
+ [AC_MSG_CHECKING(for isfinite with <math.h>)
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>
volatile int x;volatile float f; ]],[[x = isfinite(f)]])],[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ISFINITE)],[AC_MSG_RESULT(no)])])])
-fi
+fi
AC_FULL_IEEE
[[#include <stdlib.h>
#include <malloc/malloc.h>]],
[[malloc(1)]]
- ),
- [AC_DEFINE(NEED_MALLOC_MALLOC_H)
+ ),[
+ AC_DEFINE([MUST_HAVE_MALLOC_MALLOC_H])
AC_MSG_RESULT([yes we do])],
[AC_MSG_ERROR([Can not figure how to compile malloc])]
)
--- /dev/null
+#ifndef RRD_CONFIG_BOTTOM_H
+#define RRD_CONFIG_BOTTOM_H
+
+/* make sure that we pickup the correct stuff from all headers */
+#ifdef HAVE_FEATURES_H
+# ifdef _XOPEN_SOURCE
+# undef _XOPEN_SOURCE
+# endif
+# ifdef _BSD_SOURCE
+# undef _BSD_SOURCE
+# endif
+# define _XOPEN_SOURCE 600
+# define _BSD_SOURCE 1
+# include <features.h>
+#endif
+
+/* FreeBSD 4.8 wants this included BEFORE sys/types.h */
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#ifndef MAXPATH
+# ifdef PATH_MAX
+# define MAXPATH PATH_MAX
+# endif
+#endif
+#ifndef MAXPATH
+/* else try the BSD variant */
+# ifdef MAXPATHLEN
+# define MAXPATH MAXPATHLEN
+# endif
+#endif
+
+#ifdef HAVE_ERRNO_H
+# include <errno.h>
+#endif
+
+#if !defined HAVE_MADVISE && defined HAVE_POSIX_MADVISE
+/* use posix_madvise family */
+# define madvise posix_madvise
+# define MADV_NORMAL POSIX_MADV_NORMAL
+# define MADV_RANDOM POSIX_MADV_RANDOM
+# define MADV_SEQUENTIAL POSIX_MADV_SEQUENTIAL
+# define MADV_WILLNEED POSIX_MADV_WILLNEED
+# define MADV_DONTNEED POSIX_MADV_DONTNEED
+#endif
+#if defined HAVE_MADVISE || defined HAVE_POSIX_MADVISE
+# define USE_MADVISE 1
+#endif
+
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+# include <sys/resource.h>
+#if (defined(__svr4__) && defined(__sun__))
+/* Solaris headers (pre 2.6) do not have a getrusage prototype.
+ Use this instead. */
+extern int getrusage(int, struct rusage *);
+#endif /* __svr4__ && __sun__ */
+#endif
+
+
+/* define strrchr, strchr and memcpy, memmove in terms of bsd funcs
+ make sure you are NOT using bcopy, index or rindex in the code */
+
+#ifdef STDC_HEADERS
+# include <string.h>
+#else
+# ifndef HAVE_STRCHR
+# define strchr index
+# define strrchr rindex
+# endif
+char *strchr (), *strrchr ();
+# ifndef HAVE_MEMMOVE
+# define memcpy(d, s, n) bcopy ((s), (d), (n))
+# define memmove(d, s, n) bcopy ((s), (d), (n))
+# endif
+#endif
+
+#ifdef NO_NULL_REALLOC
+# define rrd_realloc(a,b) ( (a) == NULL ? malloc( (b) ) : realloc( (a) , (b) ))
+#else
+# define rrd_realloc(a,b) realloc((a), (b))
+#endif
+
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#ifdef HAVE_CTYPE_H
+# include <ctype.h>
+#endif
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) (dirent)->d_namlen
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
+#endif
+
+#ifdef MUST_DISABLE_SIGFPE
+# include <signal.h>
+#endif
+
+#ifdef MUST_DISABLE_FPMASK
+# include <floatingpoint.h>
+#endif
+
+
+#ifdef HAVE_MATH_H
+# include <math.h>
+#endif
+
+#ifdef HAVE_FLOAT_H
+# include <float.h>
+#endif
+
+#ifdef HAVE_IEEEFP_H
+# include <ieeefp.h>
+#endif
+
+#ifdef HAVE_FP_CLASS_H
+# include <fp_class.h>
+#endif
+
+/* for Solaris */
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASS))
+# define HAVE_ISINF 1
+# ifdef isinf
+# undef isinf
+# endif
+# define isinf(a) (fpclass(a) == FP_NINF || fpclass(a) == FP_PINF)
+#endif
+
+/* solaris 10 it defines isnan such that only forte can compile it ... bad bad */
+#if (defined(HAVE_ISNAN) && defined(isnan) && defined(HAVE_FPCLASS))
+# undef isnan
+# define isnan(a) (fpclass(a) == FP_SNAN || fpclass(a) == FP_QNAN)
+#endif
+
+/* for OSF1 Digital Unix */
+#if (! defined(HAVE_ISINF) && defined(HAVE_FP_CLASS) && defined(HAVE_FP_CLASS_H))
+# define HAVE_ISINF 1
+# define isinf(a) (fp_class(a) == FP_NEG_INF || fp_class(a) == FP_POS_INF)
+#endif
+
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_PLUS_INF) && defined(FP_MINUS_INF))
+# define HAVE_ISINF 1
+# define isinf(a) (fpclassify(a) == FP_MINUS_INF || fpclassify(a) == FP_PLUS_INF)
+#endif
+
+#if (! defined(HAVE_ISINF) && defined(HAVE_FPCLASSIFY) && defined(FP_INFINITE))
+# define HAVE_ISINF 1
+# define isinf(a) (fpclassify(a) == FP_INFINITE)
+#endif
+
+/* for AIX */
+#if (! defined(HAVE_ISINF) && defined(HAVE_CLASS))
+# define HAVE_ISINF 1
+# define isinf(a) (class(a) == FP_MINUS_INF || class(a) == FP_PLUS_INF)
+#endif
+
+#if (! defined (HAVE_FINITE) && defined (HAVE_ISFINITE))
+# define HAVE_FINITE 1
+# define finite(a) isfinite(a)
+#endif
+
+#if (! defined(HAVE_FINITE) && defined(HAVE_ISNAN) && defined(HAVE_ISINF))
+# define HAVE_FINITE 1
+# define finite(a) (! isnan(a) && ! isinf(a))
+#endif
+
+#ifndef HAVE_FINITE
+#error "Can't compile without finite function"
+#endif
+
+#ifndef HAVE_ISINF
+#error "Can't compile without isinf function"
+#endif
+
+#if (! defined(HAVE_FDATASYNC) && defined(HAVE_FSYNC))
+#define fdatasync fsync
+#endif
+
+#if (!defined(HAVE_FDATASYNC) && !defined(HAVE_FSYNC))
+#error "Can't compile with without fsync and fdatasync"
+#endif
+
+#endif /* RRD_CONFIG_BOTTOM_H */
+