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8a3c7070bd
arguments. (_m4_expansion_stack): Rename as... (m4_expansion_stack): this, and change its value: instead of using the pushdef stack to stack each *line* of the stack, each definition contains the whole stack. I.e., to display the whole stack, instead of popdefing and displaying each definition, just display the current definition. (m4_expansion_stack_push, m4_expansion_stack_pop): New. * tests/atspecific.m4 (AT_CHECK_AUTOCONF): Let $2 be the expected exit status. * tests/m4sugar.m4 (m4_require: circular dependencies): New test.
161 lines
2.9 KiB
Plaintext
161 lines
2.9 KiB
Plaintext
# -*- autoconf -*-
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AT_BANNER([Autoconf base layer.])
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## ------------------------------- ##
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## AC_REQUIRE: topological sort.. ##
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## ------------------------------- ##
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# Check that dependencies are always properly honored.
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AT_SETUP([AC_REQUIRE: topological sort])
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AT_DATA(configure.ac,
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[[define([REQUIRE_AND_CHECK],
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[AC_REQUIRE([$1])dnl
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test -z "$m4_translit([$1], [A-Z], [a-z])" && AS_EXIT(1)])
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AC_DEFUN([TEST1],
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[REQUIRE_AND_CHECK([TEST2a])
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REQUIRE_AND_CHECK([TEST2b])
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test1=set])
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AC_DEFUN([TEST2a],
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[test2a=set])
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AC_DEFUN([TEST2b],
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[REQUIRE_AND_CHECK([TEST3])
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test2b=set])
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AC_DEFUN([TEST3],
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[REQUIRE_AND_CHECK([TEST2a])
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test3=set])
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AC_PLAIN_SCRIPT
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TEST1
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test -z "$test1" &&
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AC_MSG_ERROR([\$test1 is empty])
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AS_EXIT(0)
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]])
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AT_CHECK_AUTOCONF
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AT_CHECK_CONFIGURE
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AT_CLEANUP
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## ----------------------------------------------- ##
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## AC_REQUIRE and AC_DEFUN_ONCE: Require, expand. ##
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## ----------------------------------------------- ##
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AT_SETUP([AC_REQUIRE & AC_DEFUN_ONCE: Require, expand])
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AT_DATA([configure.ac],
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[[AC_DEFUN([TEST],
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[AC_REQUIRE([MULTI_TEST])
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AC_REQUIRE([SINGLE_TEST])])
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AC_DEFUN([MULTI_TEST],
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[multi_test=".$multi_test"])
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AC_DEFUN_ONCE([SINGLE_TEST],
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[single_test=".$single_test"])
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AC_PLAIN_SCRIPT
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TEST
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TEST
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MULTI_TEST
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MULTI_TEST
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SINGLE_TEST
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SINGLE_TEST
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case $multi_test:$single_test in
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...:. ) AS_EXIT(0);;
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...:* ) AC_MSG_ERROR([DEFUN_ONCE is broken]);;
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*:. ) AC_MSG_ERROR([DEFUN is broken (Wow, congrats!)]);;
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esac
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]])
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AT_CHECK_AUTOCONF([], 0, [],
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[configure.ac:16: warning: SINGLE_TEST invoked multiple times
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configure.ac:17: warning: SINGLE_TEST invoked multiple times
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])
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AT_CHECK_CONFIGURE
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AT_CLEANUP
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## ----------------------------------------------- ##
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## AC_REQUIRE and AC_DEFUN_ONCE: Expand, require. ##
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## ----------------------------------------------- ##
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AT_SETUP([AC_REQUIRE & AC_DEFUN_ONCE: Expand, require])
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AT_DATA([configure.ac],
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[[AC_DEFUN([TEST],
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[AC_REQUIRE([MULTI_TEST])
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AC_REQUIRE([SINGLE_TEST])])
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AC_DEFUN([MULTI_TEST],
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[multi_test=".$multi_test"])
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AC_DEFUN_ONCE([SINGLE_TEST],
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[single_test=".$single_test"])
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AC_PLAIN_SCRIPT
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MULTI_TEST
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MULTI_TEST
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SINGLE_TEST
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SINGLE_TEST
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TEST
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TEST
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case $multi_test:$single_test in
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..:. ) AS_EXIT(0);;
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..:* ) AC_MSG_ERROR([DEFUN_ONCE is broken]);;
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*:. ) AC_MSG_ERROR([DEFUN is broken (Wow, congrats!)]);;
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* ) AC_MSG_ERROR([received `$multi_test:$single_test']);;
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esac
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]])
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AT_CHECK_AUTOCONF([], 0, [],
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[configure.ac:15: warning: SINGLE_TEST invoked multiple times
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])
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AT_CHECK_CONFIGURE
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AT_CLEANUP
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## ------------------------- ##
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## AC_REQUIRE & AC_PROVIDE. ##
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## ------------------------- ##
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AT_SETUP([AC_REQUIRE & AC_PROVIDE])
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AT_DATA([configure.ac],
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[[AC_DEFUN([TEST],
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[AC_REQUIRE([INNER_TEST])])
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AC_DEFUN([INNER_TEST],
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[inner_test=".$inner_test"])
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AC_PLAIN_SCRIPT
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AC_PROVIDE([INNER_TEST])
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TEST
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case $inner_test in
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"" ) AS_EXIT(0);;
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* ) AC_MSG_ERROR([received `$inner_test']);;
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esac
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]])
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AT_CHECK_AUTOCONF
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AT_CHECK_CONFIGURE
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AT_CLEANUP
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