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7d7512c8ea
autoconf/tests/tools.at
Akim Demaille 7d7512c8ea * tests/tools.at (autoupdate): Strengthen and check autoupdate's 
idempotency.
2000-12-05 13:52:49 +00:00

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# -*- autoconf -*-
AT_BANNER([Executables (autoheader, autoupdate...).])
## -------------------------------------------------------- ##
## Check that the shell scripts are syntactically correct. ##
## -------------------------------------------------------- ##
# We use `/bin/sh -n script' to check that there are no syntax errors
# in the scripts. Although incredible, there are /bin/sh that go into
# endless loops with `-n', e.g., SunOS's:
#
# $ uname -a
# SunOS ondine 4.1.3 2 sun4m unknown
# $ cat endless.sh
# while false
# do
# :
# done
# exit 0
# $ time sh endless.sh
# sh endless.sh 0,02s user 0,03s system 78% cpu 0,064 total
# $ time sh -nx endless.sh
# ^Csh -nx endless.sh 3,67s user 0,03s system 63% cpu 5,868 total
#
# So before using `/bin/sh -n' to check our scripts, we first check
# that `/bin/sh -n' is not broken to death.
AT_SETUP([Syntax of the scripts])
# A script that never returns. We don't care that it never returns,
# broken /bin/sh loop equally with `false', but it makes it easier to
# test the robusteness in a good environment: just remove the `-n'.
AT_DATA(endless.sh,
[[while :
do
:
done
]])
# A script in charge of testing `/bin/sh -n'.
AT_DATA(syntax.sh,
[[(/bin/sh -n endless.sh) &
sleep 2
if kill $! >/dev/null 2>&1; then
# We managed to kill the child, which means that we probably
# can't trust `/bin/sh -n', hence the test failed.
exit 1
fi
]])
if /bin/sh ./syntax.sh; then
# Specify the path to the tool, some shells don't honor PATH
# when running `sh PROG'.
AT_CHECK([/bin/sh -n ../autoconf], 0)
AT_CHECK([/bin/sh -n ../autoreconf], 0)
AT_CHECK([/bin/sh -n ../autoupdate], 0)
AT_CHECK([/bin/sh -n ../ifnames], 0)
# These are not built, they are in the src tree.
AT_CHECK([/bin/sh -n $top_srcdir/install-sh], 0)
AT_CHECK([/bin/sh -n $top_srcdir/mkinstalldirs], 0)
AT_CHECK([/bin/sh -n $top_srcdir/missing], 0)
fi
AT_CLEANUP
## ------------ ##
## autoheader. ##
## ------------ ##
# autoheader is intensively used in its modern form throught this
# test suite. But we also have to check that acconfig.h still works.
AT_SETUP([autoheader])
AT_DATA(acconfig.h,
[[/* Define this to whatever you want. */
#undef this
]])
# 1. Check that `acconfig.h' is still honored.
AT_DATA(configure.in,
[[AC_INIT
AC_CONFIG_HEADERS(config.h)
AC_DEFINE(this, "whatever you want.")
]])
AT_CHECK([autoheader --autoconf-dir .. -<configure.in], 0,
[[/* config.h.in. Generated automatically from - by autoheader. */
/* Define this to whatever you want. */
#undef this
]], ignore)
# 2. Check that missing templates are a fatal error.
AT_DATA(configure.in,
[[AC_INIT
AC_CONFIG_HEADERS(config.h)
AC_DEFINE(that, "whatever you want.")
]])
AT_CHECK([autoheader --autoconf-dir .. -<configure.in], 1, [],
[autoheader: No template for symbol `that'
])
# 3. Check TOP and BOTTOM.
AT_DATA(acconfig.h,
[[/* Top from acconfig.h. */
@TOP@
/* Middle from acconfig.h. */
@BOTTOM@
/* Bottom from acconfig.h. */
]])
AT_DATA(configure.in,
[[AC_INIT
AC_CONFIG_HEADERS(config.h)
AH_TOP([Top1 from configure.in.])
AH_TOP([Top2 from configure.in.])
AH_VERBATIM([Middle], [Middle from configure.in.])
AH_BOTTOM([Bottom1 from configure.in.])
AH_BOTTOM([Bottom2 from configure.in.])
]])
# Yes, that's right: the `middle' part of `acconfig.h' is still before
# the AH_TOP part. But so what, you're not supposed to use the two
# together.
AT_CHECK([autoheader --autoconf-dir .. -<configure.in], 0,
[[/* config.h.in. Generated automatically from - by autoheader. */
/* Top from acconfig.h. */
/* Middle from acconfig.h. */
Top1 from configure.in.
Top2 from configure.in.
Middle from configure.in.
Bottom1 from configure.in.
Bottom2 from configure.in.
/* Bottom from acconfig.h. */
]], [])
AT_CLEANUP
## ------------ ##
## autoupdate. ##
## ------------ ##
# Check that AC_CANONICAL_SYSTEM and AC_OUTPUT are properly updated.
AT_SETUP([autoupdate])
AT_DATA(configure.in,
[[AC_INIT(Test, 1.0)
AC_CANONICAL_SYSTEM
dnl The doc says 27 is a valid fubar.
fubar=27
AC_OUTPUT(Makefile, echo $fubar, fubar=$fubar)
]])
AT_DATA([expout],
[[AC_INIT([Test],[1.0])
AC_CANONICAL_TARGET([])
dnl The doc says 27 is a valid fubar.
fubar=27
AC_CONFIG_FILES([Makefile])
AC_CONFIG_COMMANDS([default],[[echo $fubar]],[[fubar=$fubar]])
AC_OUTPUT
]])
# Checking `autoupdate'.
AT_CHECK([autoupdate --autoconf-dir $top_srcdir], 0, [],
[autoupdate: `configure.in' is updated
])
AT_CHECK([cat configure.in], 0, [expout])
# Checking that `autoupdate' is idempotent
AT_CHECK([autoupdate --autoconf-dir $top_srcdir], 0, [],
[autoupdate: `configure.in' is unchanged
])
AT_CHECK([cat configure.in], 0, [expout])
AT_CLEANUP
# autoupdating AC_LINK_FILES
# --------------------------
AT_SETUP([autoupdating AC_LINK_FILES])
AT_DATA(configure.in,
[[AC_INIT
AC_LINK_FILES(dst1 dst2, src1 src2)
AC_OUTPUT
]])
AT_DATA(dst1, dst1
)
AT_DATA(dst2, dst2
)
# Checking `autoupdate'.
AT_CHECK([autoupdate --autoconf-dir $top_srcdir], 0, [],
[autoupdate: `configure.in' is updated
])
AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir], 0)
AT_CHECK_CONFIGURE
AT_CHECK([cat src1], 0, [dst1
])
AT_CHECK([cat src2], 0, [dst2
])
AT_CLEANUP(src1 src2)
# autoupdating AC_PREREQ
# ----------------------
AT_SETUP([autoupdating AC_PREREQ])
cat >expout <<EOF
AC_PREREQ($at_version)
EOF
AT_CHECK([echo "AC_PREREQ(1.0)" |
autoupdate --autoconf-dir $top_srcdir -],
0, [expout], [])
AT_CHECK([echo "AC_PREREQ($at_version)" |
autoupdate --autoconf-dir $top_srcdir -],
0, [expout], [])
AT_CHECK([echo "AC_PREREQ(999.99)" |
autoupdate --autoconf-dir $top_srcdir -],
1, [], [ignore])
AT_CLEANUP
## ------------------ ##
## autoconf --trace. ##
## ------------------ ##
# Tracing user defined macros
# ---------------------------
AT_SETUP([autoconf --trace])
AT_DATA(configure.in,
[[define([active], [ACTIVE])
AC_DEFUN([TRACE1], [TRACE2(m4_shift($@))])
AC_DEFUN([TRACE2], [[$2], $1])
TRACE1(foo, bar, baz)
TRACE1(foo, AC_TRACE1(bar, baz))
TRACE1(foo, active, baz)
TRACE1(foo, [active], TRACE1(active, [active]))
]])
# Several --traces.
AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -t TRACE1 -t TRACE2], 0,
[[configure.in:4:TRACE1:foo:bar:baz
configure.in:4:TRACE2:bar:baz
configure.in:5:TRACE1:foo:AC_TRACE1(bar, baz)
configure.in:5:TRACE2:AC_TRACE1(bar, baz)
configure.in:6:TRACE1:foo:ACTIVE:baz
configure.in:6:TRACE2:ACTIVE:baz
configure.in:7:TRACE1:ACTIVE:active
configure.in:7:TRACE2:active
configure.in:7:TRACE1:foo:active::ACTIVE
configure.in:7:TRACE2:active::ACTIVE
]])
# Several line requests.
AT_CHECK([[autoconf --autoconf-dir .. -l $at_srcdir -t TRACE1:'
[$1], [$2], [$3].']], 0,
[[
[foo], [bar], [baz].
[foo], [AC_TRACE1(bar, baz)], [].
[foo], [ACTIVE], [baz].
[ACTIVE], [active], [].
[foo], [active], [].
]])
# ${sep}@.
AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir -t TRACE2:'${)===(}@'], 0,
[[[bar])===([baz]
[AC_TRACE1(bar, baz)]
[ACTIVE])===([baz]
[active]
[active])===([])===([ACTIVE]
]])
AT_CLEANUP
# Tracing builtins
# ----------------
AT_SETUP([Tracing M4 builtins])
AT_DATA(configure.in,
[[define([active], [ACTIVE])
]])
AT_CHECK([[autoconf --autoconf-dir .. -l $at_srcdir -t define |
sed -n '$p']],
0,
[[configure.in:1:define:active:ACTIVE
]])
# FIXME: Without `$1' the following test dies. Groumphf, once again to
# dive into obscure feature interaction...
# Note that using `-i' means we need the *.m4 files, not the *.m4f files,
# hence we need srcdir, not builddir.
AT_CHECK([[autoconf --autoconf-dir $top_srcdir -l $at_srcdir -t define:'$1' -i|
sed -n '$p']],
0,
[[active
]])
AT_CLEANUP
## ------------------ ##
## Forbidden tokens. ##
## ------------------ ##
AT_SETUP([Forbidden tokens])
AT_DATA([configure.in],
[[AC_PLAIN_SCRIPT()dnl
AB_THIS_IS_PROBABLY_NOT_DEFINED
AND_AZ_THAT_EITHER
and_AZ_that_too
# This is legal, also there is `AC_DEFINE' in there.
BAC_DEFINE
# AC_THIS_IS_A_COMMENT so just shut up.
It would be very bad if Autoconf forgot to expand [AC_]OUTPUT!
# This is allowed in spite of the name.
m4_token_allow([AC_UNDEFINED])
AC_UNDEFINED
# But it does not allow this,
MY_AC_UNDEFINED
]])
AT_CHECK([autoconf --autoconf-dir .. -l $at_srcdir], 1, [],
[[configure.in:2: error: undefined macro: AB_THIS_IS_PROBABLY_NOT_DEFINED
configure.in:3: error: undefined macro: AND_AZ_THAT_EITHER
configure.in:4: error: undefined macro: and_AZ_that_too
configure.in:14: error: undefined macro: MY_AC_UNDEFINED
configure:7: error: undefined macro: AC_OUTPUT
]])
AT_CLEANUP(configure)
## ---------------------------- ##
## autoconf's AWK portability. ##
## ---------------------------- ##
AT_SETUP([AWK portability])
AT_DATA([configure.in],
[[AC_INIT
]])
if (gawk --version) >/dev/null 2>&1; then
# Generation of the script.
AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir .. -l $at_srcdir], 0,
[], [])
# Tracing.
AT_CHECK([AWK='gawk --posix' autoconf --autoconf-dir .. -l $at_srcdir -t AC_INIT], 0,
ignore, [])
# Syntax correctness of ifnames.
AT_CHECK([AWK='gawk --posix' ifnames empty], 0,
[], [])
fi
AT_CLEANUP(configure)
## --------- ##
## ifnames. ##
## --------- ##
AT_SETUP([ifnames])
AT_DATA([iftest1.c],
[[#ifdef DEF1
#ifndef DEF2
#if !defined(DEF3) && defined(DEF4) /* but not defined(DEF5) */
# if SPACES
# if TABS
/* #if C_COMMENTS */
// #if CXX_COMMENTS
#if LINE1 = \
LINE2
#if (VAL1*VAL2)==VAL3+VAL4 /* Not VAL5 !!! */
]])
AT_DATA([iftest2.c],
[[#ifdef IFTEST2
#if VAL1
]])
AT_CHECK([ifnames iftest1.c iftest2.c], 0,
[DEF1 iftest1.c
DEF2 iftest1.c
DEF3 iftest1.c
DEF4 iftest1.c
IFTEST2 iftest2.c
LINE1 iftest1.c
LINE2 iftest1.c
SPACES iftest1.c
TABS iftest1.c
VAL1 iftest1.c iftest2.c
VAL2 iftest1.c
VAL3 iftest1.c
VAL4 iftest1.c
], [])
AT_CLEANUP(configure)
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