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configure.ac: Enable 'tar-pax' by default
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Automake defaults to the 'v7' legacy tar format in GNU tar, through
passing of the '-o' parameter to GNU tar. Enabling this option results
in errors for users with 32 bit UIDs:

    $ make dist
    ...
    tardir=openvswitch-2.3.90 && ${TAR-tar} chof - "$tardir" | GZIP=--best gzip -c >openvswitch-2.3.90.tar.gz
    tar: value 12345678 out of uid_t range 0..2097151
    tar: Exiting with failure status due to previous errors
    make[1]: Leaving directory `/development/ovs'
    ...

The 'tar-pax' format is a 2001 POSIX standard that allow longer file
names and other niceties. Its use is a configuration option in Automake
1.9+. Enable this option.

Signed-off-by: Stephen Finucane <[email protected]>
Reviewed-by: Mark D. Gray <[email protected]>
Cc: Panu Matilainen <[email protected]>
Signed-off-by: Ben Pfaff <[email protected]>
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@stephenfin @blp
stephenfin authored and blp committed Jan 15, 2015
1 parent 1755fb4 commit 833d8df
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_TESTDIR([tests])
AM_INIT_AUTOMAKE
AM_INIT_AUTOMAKE([tar-pax])

AC_PROG_CC_C99
AM_PROG_CC_C_O
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