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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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21
examples/c++/local.mk
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@@ -35,21 +35,25 @@ if ENABLE_CXX14
%C%_simple_CXXFLAGS = $(CXX11_CXXFLAGS)
# Don't use gnulib's system headers.
%C%_simple_CPPFLAGS = -I$(top_builddir)
dist_TESTS += %D%/simple.test
TESTS += %D%/simple.test
%D%/simple.cc: $(BISON_IN) $(dist_pkgdata_DATA)
endif
EXTRA_DIST += %D%/simple.test
## ---------- ##
## Variants. ##
## ---------- ##
check_PROGRAMS += %D%/variant
nodist_%C%_variant_SOURCES = %D%/variant.yy
# Don't use gnulib's system headers.
%C%_variant_CPPFLAGS = -I$(top_builddir)
dist_TESTS += %D%/variant.test
%D%/variant.cc: $(BISON_IN) $(dist_pkgdata_DATA)
if ENABLE_CXX
check_PROGRAMS += %D%/variant
nodist_%C%_variant_SOURCES = %D%/variant.yy
# Don't use gnulib's system headers.
%C%_variant_CPPFLAGS = -I$(top_builddir)
TESTS += %D%/variant.test
%D%/variant.cc: $(BISON_IN) $(dist_pkgdata_DATA)
endif
EXTRA_DIST += %D%/variant.test
if ENABLE_CXX11
check_PROGRAMS += %D%/variant-11
@@ -57,9 +61,10 @@ if ENABLE_CXX11
%C%_variant_11_CXXFLAGS = $(CXX11_CXXFLAGS)
# Don't use gnulib's system headers.
%C%_variant_11_CPPFLAGS = -I$(top_builddir)
dist_TESTS += %D%/variant-11.test
TESTS += %D%/variant-11.test
%D%/variant-11.cc: $(BISON_IN) $(dist_pkgdata_DATA)
endif
EXTRA_DIST += %D%/variant-11.test
dist_cxx_DATA = %D%/README %D%/Makefile %D%/variant.yy %D%/variant-11.yy
CLEANFILES += %D%/simple.output %D%/variant.output %D%/variant-11.output