[AT_CHECK(m4_if(m4_quote($2), [0], [], m4_quote($2), [], [],
[AT_QUELL_VALGRIND ])[[bison ]]$@)
m4_if(m4_bregexp([$4], [: warning: ]), [-1], [],
- [m4_if(m4_quote(m4_if(m4_quote($2), [], [0], [$2])), [0],
- [[# Don't interfere with caller's files.
- if test -f stderr; then
- mv stderr at-bison-check-stderr.bak
- fi
- if test -f experr; then
- mv experr at-bison-check-experr.bak
- fi
- if test -f expout; then
- mv expout at-bison-check-expout.bak
- fi
-
- # To avoid expanding it repeatedly, store specified stdout.
- ]AT_DATA([expout], [$3])[
-
- # Run with -Werror.
- ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Werror]],
- [[1]], [expout], [stderr])[
-
- # Build expected stderr up to and including the "warnings
- # being treated as errors" message.
- ]AT_DATA([[at-bison-check-warnings]], [$4])[
- at_bison_check_first="` \
- sed -n '/: warning: /=' at-bison-check-warnings \
- | sed -n 1p \
- `"
- if test $at_bison_check_first -gt 1; then
- sed -n "1,`expr $at_bison_check_first - 1`"p \
- at-bison-check-warnings > experr
- fi
- echo ']AT_BISON_WERROR_MSG[' >> experr
-
- # Finish building expected stderr and check. Unlike
- # warnings, complaints cause bison to exit early. Thus,
- # with -Werror, bison does not necessarily report all
- # warnings that it does without -Werror, but it at least
- # reports one.
- at_bison_check_last="`sed -n '$=' stderr`"
- if test x"$at_bison_check_last" = x; then
- at_bison_check_last=1
- fi
- at_bison_check_last="`expr $at_bison_check_last - 1`"
- sed -n "$at_bison_check_first,$at_bison_check_last"p \
- at-bison-check-warnings >> experr
- ]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
- stderr 1>&2]], [[0]], [[]], [experr])[
-
- # Now check --warnings=error.
- cp stderr experr
- ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=error]],
- [[1]], [expout], [experr])[
-
- # Now check -Wnone and --warnings=none by making sure that
- # -Werror doesn't change the exit status when -Wnone or
- # --warnings=none is specified.
- ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Wnone -Werror]],
- [[0]], [expout], [ignore])[
- ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=none \
- -Werror]], [[0]], [expout], [ignore])[
-
- # Restore caller's files.
- if test -f at-bison-check-expout.bak; then
- mv at-bison-check-expout.bak expout
- fi
- if test -f at-bison-check-experr.bak; then
- mv at-bison-check-experr.bak experr
- fi
- if test -f at-bison-check-stderr.bak; then
- mv at-bison-check-stderr.bak stderr
- fi
- ]])
- ])
+ m4_quote(m4_if(m4_quote($2), [], [0], [$2])), [0], [[
+ # POSIXLY_CORRECT=1 causes bison to complain if options are added
+ # after the grammar file name, so skip these checks in that case.
+ if test x"$POSIXLY_CORRECT" != x1; then
+ # Don't interfere with caller's files.
+ if test -f stderr; then mv stderr at-bison-check-stderr.bak; fi
+ if test -f experr; then mv experr at-bison-check-experr.bak; fi
+ if test -f expout; then mv expout at-bison-check-expout.bak; fi
+
+ # To avoid expanding it repeatedly, store specified stdout.
+ ]AT_DATA([expout], [$3])[
+
+ # Run with -Werror.
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Werror]],
+ [[1]], [expout], [stderr])[
+
+ # Build expected stderr up to and including the "warnings being
+ # treated as errors" message.
+ ]AT_DATA([[at-bison-check-warnings]], [$4])[
+ at_bison_check_first="` \
+ sed -n '/: warning: /=' at-bison-check-warnings \
+ | sed -n 1p \
+ `"
+ if test $at_bison_check_first -gt 1; then
+ sed -n "1,`expr $at_bison_check_first - 1`"p \
+ at-bison-check-warnings > experr
+ fi
+ echo ']AT_BISON_WERROR_MSG[' >> experr
+
+ # Finish building expected stderr and check. Unlike warnings,
+ # complaints cause bison to exit early. Thus, with -Werror, bison
+ # does not necessarily report all warnings that it does without
+ # -Werror, but it at least reports one.
+ at_bison_check_last="`sed -n '$=' stderr`"
+ if test x"$at_bison_check_last" = x; then
+ at_bison_check_last=1
+ fi
+ at_bison_check_last="`expr $at_bison_check_last - 1`"
+ sed -n "$at_bison_check_first,$at_bison_check_last"p \
+ at-bison-check-warnings >> experr
+ ]AT_CHECK([[sed 's,.*/\(]AT_BISON_WERROR_MSG[\)$,\1,' \
+ stderr 1>&2]], [[0]], [[]], [experr])[
+
+ # Now check --warnings=error.
+ cp stderr experr
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=error]],
+ [[1]], [expout], [experr])[
+
+ # Now check -Wnone and --warnings=none by making sure that
+ # -Werror doesn't change the exit status when -Wnone or
+ # --warnings=none is specified.
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ -Wnone -Werror]],
+ [[0]], [expout], [ignore])[
+ ]AT_CHECK(AT_QUELL_VALGRIND[[ bison ]$1[ --warnings=none \
+ -Werror]], [[0]], [expout], [ignore])[
+
+ # Restore caller's files.
+ if test -f at-bison-check-expout.bak; then
+ mv at-bison-check-expout.bak expout
+ fi
+ if test -f at-bison-check-experr.bak; then
+ mv at-bison-check-experr.bak experr
+ fi
+ if test -f at-bison-check-stderr.bak; then
+ mv at-bison-check-stderr.bak stderr
+ fi
+ fi
+ ]])
])
# AT_BISON_CHECK_XML(BISON_ARGS, [OTHER_AT_CHECK_ARGS])