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Use AC_SYS_LARGEFILE on Autotools #4119

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merged 1 commit into from
Mar 12, 2024
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Use AC_SYS_LARGEFILE on Autotools #4119

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53 changes: 0 additions & 53 deletions acsite.m4
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23 changes: 3 additions & 20 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -1460,26 +1460,9 @@ if test "X${enable_shared}" = "Xyes"; then
fi

## ----------------------------------------------------------------------
## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
## that might need to be set for largefile support to behave
## correctly. This macro is defined in acsite.m4 and overrides
## the version provided by Autoconf (as of v2.65). The custom
## macro additionally adds the appropriate defines to AM_CPPFLAGS
## so that later configure checks have them visible.

## Check for _FILE_OFFSET_BITS
_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
[ac_cv_sys_file_offset_bits],
[Number of bits in a file offset, on hosts where this is settable.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])

## Check for _LARGE_FILES
if test "$ac_cv_sys_file_offset_bits" = unknown; then
_AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
[ac_cv_sys_large_files],
[Define for large files, on AIX-style hosts.],
[_AC_SYS_LARGEFILE_TEST_INCLUDES])
fi
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We only use off_t in the library, so this hack is no longer necessary. We just need to get the size of off_t so H5_SIZEOF_OFF_T is set correctly and AC_SYS_LARGEFILE is fine for that.

## Set up large file support

AC_SYS_LARGEFILE

## ----------------------------------------------------------------------
## Add necessary defines for Linux Systems.
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