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tests: don't fail if the C++ compiler does not work

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Also, make sure that `make dist` generates a correct tarball even if
the C++ compiler does not work.

Reported by Nelson H. F. Beebe.

* m4/cxx.m4 (BISON_CXX_WORKS): Define to true/false instead of
true/exit 77.  The latter is too dangerous to use (it directly quits).
(ENABLE_CXX): New name for the Automake conditional, for consistency
with ENABLE_CXX11 etc.
* tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Adjust to the new
semantics of BISON_CXX_WORKS.
* examples/c++/local.mk: Skip the variant test if C++ does not work.
* examples/calc++/local.mk: Likewise.
This commit is contained in:
Akim Demaille
2018-11-04 11:26:17 +01:00
parent e93c40b33d
commit cf1446dc9e
5 changed files with 29 additions and 29 deletions
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6
tests/atlocal.in
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@@ -98,10 +98,8 @@ fi
: ${CXX_COMPILER_POSIXLY_CORRECT='@CXX_COMPILER_POSIXLY_CORRECT@'}
if $POSIXLY_CORRECT_IS_EXPORTED; then
$C_COMPILER_POSIXLY_CORRECT ||
BISON_C_WORKS="as_fn_error 77 POSIXLY_CORRECT"
$CXX_COMPILER_POSIXLY_CORRECT ||
BISON_CXX_WORKS="as_fn_error 77 POSIXLY_CORRECT"
$C_COMPILER_POSIXLY_CORRECT || BISON_C_WORKS=false
$CXX_COMPILER_POSIXLY_CORRECT || BISON_CXX_WORKS=false
fi
# Handle --compile-c-with-cxx here, once CXX and CXXFLAGS are known.