mirror of
git://git.sv.gnu.org/autoconf
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134 lines
2.9 KiB
Plaintext
134 lines
2.9 KiB
Plaintext
# -*- autoconf -*-
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cat <<EOF
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Autoheader, autoupdate...
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EOF
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## -------------------------------------------------------- ##
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## Check that the shell scripts are syntactically correct. ##
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## -------------------------------------------------------- ##
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# We use `/bin/sh -n script' to check that there are no syntax errors
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# in the scripts. Although incredible, there are /bin/sh that go into
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# endless loops with `-n', e.g., SunOS's:
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#
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# $ uname -a
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# SunOS ondine 4.1.3 2 sun4m unknown
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# $ cat endless.sh
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# while false
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# do
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# :
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# done
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# exit 0
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# $ time sh endless.sh
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# sh endless.sh 0,02s user 0,03s system 78% cpu 0,064 total
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# $ time sh -nx endless.sh
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# ^Csh -nx endless.sh 3,67s user 0,03s system 63% cpu 5,868 total
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#
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# So before using `/bin/sh -n' to check our scripts, we first check
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# that `/bin/sh -n' is not broken to death.
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AT_SETUP(Syntax of the scripts)
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# A script that never returns. We don't care that it never returns,
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# broken /bin/sh loop equally with `false', but it makes it easier to
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# test the robusteness in a good environment: just remove the `-n'.
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AT_DATA(endless.sh,
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[[while true
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do
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:
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done
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]])
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# A script in charge of testing `/bin/sh -n'.
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AT_DATA(syntax.sh,
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[[(/bin/sh -n endless.sh) &
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sleep 2
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if kill $! >/dev/null 2>&1; then
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# We managed to kill the child, which means that we probably
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# can't trust `/bin/sh -n', hence the test failed.
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exit 1
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fi
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]])
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if /bin/sh ./syntax.sh; then
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AT_CHECK([/bin/sh -n ../autoconf], 0)
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AT_CHECK([/bin/sh -n ../autoreconf], 0)
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AT_CHECK([/bin/sh -n ../autoupdate], 0)
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AT_CHECK([/bin/sh -n ../autoreconf], 0)
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AT_CHECK([/bin/sh -n ../ifnames], 0)
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fi
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AT_CLEANUP
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## ---------- ##
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## AH_DEFUN. ##
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## ---------- ##
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# We check that both the AH_DEFUN given in auxiliary files and in
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# `configure.in' function properly.
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AT_SETUP(AH_DEFUN)
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AT_DATA(configure.in,
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[[AC_INCLUDE(actest.m4)
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AH_DEFUN(AC_ANAKIN,
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[AH_TEMPLATE(Anakin, [The future Darth Vador?])])
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AC_INIT
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AC_TATOOINE
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AC_ANAKIN
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AC_CONFIG_HEADERS(config.h:config.hin)
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AC_OUTPUT
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]])
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# Checking `autoheader'.
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AT_CHECK([../autoheader -m .. -l $at_srcdir], 0)
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AT_CHECK([cat config.hin], 0,
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[/* config.hin. Generated automatically from configure.in by autoheader. */
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/* The future Darth Vador? */
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#undef Anakin
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/* The planet where Luke was raised. */
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#undef Tatooine
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])
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AT_CLEANUP(config.hin)
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## ------------ ##
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## autoupdate. ##
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## ------------ ##
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# Check that AC_LINK_FILES and AC_OUTPUT are properly updated.
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# actest.m4 AU_ defines OSBOLETE to UPDATED.
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AT_SETUP(autoupdate)
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AT_DATA(configure.in,
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[[AC_INIT
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dnl The doc says 27 is a valid fubar.
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fubar=27
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AC_OUTPUT(Makefile, echo $fubar, fubar=$fubar)
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]])
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# Checking `autoupdate'.
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AT_CHECK([../autoupdate -m .. -l $at_srcdir -<configure.in], 0,
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[[AC_INIT
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dnl The doc says 27 is a valid fubar.
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fubar=27
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AC_CONFIG_FILES(Makefile)
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AC_CONFIG_COMMANDS(default, [echo $fubar], [fubar=$fubar])
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AC_OUTPUT
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]], ignore)
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AT_CLEANUP
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