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build sys: add configure option for impact of SIGWINCH

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Reference(s):
http://www.freelists.org/post/procps/top-won-the-sigwinch-war,3
http://www.freelists.org/post/procps/top-won-the-sigwinch-war,5

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2013-01-29 00:00:00 -06:00 committed by Craig Small
parent adca737758
commit cc61198318
1 changed files with 8 additions and 0 deletions
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8
configure.ac
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@ -201,6 +201,14 @@ if test "x$enable_oomem" = xyes; then
AC_DEFINE(OOMEM_ENABLE, 1, [add out-of-memory fields to the library and top])
fi
AC_ARG_ENABLE([sigwinch],
AS_HELP_STRING([--enable-sigwinch], [reduce impact of x-windows resize operations on top]),
[], enable_sigwinch=no
)
if test "x$enable_sigwinch" = xyes; then
AC_DEFINE(SIGNALS_LESS, 1, [reduce impact of x-windows resize operations on top])
fi
AC_ARG_ENABLE([w-from],
AS_HELP_STRING([--enable-w-from], [enable w from field by default]),
[], enable_w_from=no