mirror of
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77 lines
2.4 KiB
Plaintext
77 lines
2.4 KiB
Plaintext
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# -*- autoconf -*-
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cat <<\EOF
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Torturing config.status.
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## ---------------------------------------------------------------- ##
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## This section of tests is trying to make Autoconf produce failing ##
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## `configure' scripts, which must not happen. If these tests ever ##
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## fail, it is extremely important that you report the failure to ##
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## bug-autoconf@gnu.org. ##
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## ---------------------------------------------------------------- ##
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EOF
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dnl The value used as a big value for AC_DEFINE.
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dnl Don't use sh active chars here, below it is also used in a sh
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dnl assignment.
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define(Big_Value,
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[This value should be long enough to torture the various limits of sed and other tools used by Autoconf.])
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define(DEFINE_Description,
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[Define to a long string if your `Autoconf' works properly.])
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# AT_DUMMY_VAR(NUMBER)
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# --------------------
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# Build a name used for AC_SUBST and AC_DEFINE. Put ac_ in it
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# so that the check for user name space invasion does not complain
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# of the new variables defined.
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#
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# Note that you should not use the name ac_dummy, because it will be
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# turned into ac_uummy during the construction of config.status. Yes,
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# this is admittedly a bug, but it would be too hard to fix this.
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# There is really no point in AC_DEFINE a var named ac_d.*.
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define(AT_DUMMY_VAR,
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[ac_Dummy_[]patsubst([000$1], [.*\(...\)$], [\1])])
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dnl This call was quite delicate to write because we wanted to produce
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dnl the 100 commands at hand. Be very careful if you want to touch
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dnl something.
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## Require 100 AC_DEFINE and AC_SUBST with a significantly big value.
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## This is mostly to check that Autoconf produces portable sed scripts
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## in config.status. sed is used to skip the first two lines
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## `Generated by...'.
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AT_DATA(dummy.in,
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[m4_for(AT_Count, 1, 100,
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[@AT_DUMMY_VAR(AT_Count)@
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])])
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AT_TEST_MACRO(config.status under extreme conditions,
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[AC_CONFIG_FILES(dummy)
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[define]([AC_DEFUBST_VALUE], Big_Value)
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[define]([AC_DUMMY_VAR],
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changequote({{, }})dnl
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[defn({{AT_DUMMY_VAR}})]dnl
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changequote([, ]))
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m4_for(AT_Count, 1, 100,
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[AC_DEFUBST(AT_Count)
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])],
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[# Checking that AC_DEFINE worked properly.
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AT_DATA(expout,
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[m4_for(AT_Count, 1, 100,
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[
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/* DEFINE_Description */
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[#define] AT_DUMMY_VAR(AT_Count) "Big_Value"
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])])
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AT_CHECK([sed -n -e '3,$ p' config.h], 0, expout)
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# Checking that AC_SUBST worked properly.
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AT_DATA(expout,
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[m4_for(AT_Count, 1, 100,
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[Big_Value
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])])
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])
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