diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/configure.in b/configure.in index c4a9ef7..e976474 100644 --- a/configure.in +++ b/configure.in @@ -136,27 +136,10 @@ AC_CHECK_HEADERS(unistd.h) dnl ---------------------------------------------------------------------- -dnl Data types. +dnl Data types and their sizes. dnl AC_TYPE_OFF_T AC_TYPE_SIZE_T - - - -dnl ---------------------------------------------------------------------- -dnl Check for functions. -dnl -AC_CHECK_FUNCS(getpwuid gethostname system) - -AC_TRY_COMPILE([#include<sys/types.h>], - [off64_t n = 0;], - AC_CHECK_FUNCS(lseek64 fseek64), - AC_MSG_RESULT([skipping test for lseek64() and fseek64()])) - - -dnl ---------------------------------------------------------------------- -dnl Check sizes of various integral data types. -dnl AC_C_BIGENDIAN AC_CHECK_SIZEOF(short, 2) AC_CHECK_SIZEOF(int, 4) @@ -170,6 +153,35 @@ cat >>confdefs.h <<\EOF EOF AC_CHECK_SIZEOF(off_t, 4) +AC_ARG_ENABLE(hsizet, + [--disable-hsizet Datasets can normally be larger than memory + and/or files but some compilers are unable to + handle this (including versions of GCC before + 2.8.0). Disabling the feature causes dataset + sizes to be restricted to the size of core memory, + or 'size_t'.], + HSIZET=$enableval) +AC_MSG_CHECKING(for sizeof hsize_t and hssize_t) +case $HSIZET in + no|small) + AC_MSG_RESULT(small) + ;; + *) + AC_MSG_RESULT(large) + AC_DEFINE(HAVE_LARGE_HSIZET) + ;; +esac + + +dnl ---------------------------------------------------------------------- +dnl Check for functions. +dnl +AC_CHECK_FUNCS(getpwuid gethostname system) + +AC_TRY_COMPILE([#include<sys/types.h>], + [off64_t n = 0;], + AC_CHECK_FUNCS(lseek64 fseek64), + AC_MSG_RESULT([skipping test for lseek64() and fseek64()])) dnl ---------------------------------------------------------------------- |