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tests: check that C and C++ objects can be linked together.

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* tests/local.at (AT_SKIP_IF_CANNOT_LINK_C_AND_CXX): New.
* tests/headers.at (Several parsers): Use it.
This commit is contained in:
Akim Demaille
2012-11-06 15:35:37 +01:00
parent 63e8426ac6
commit 8aaa0c2f86
2 changed files with 44 additions and 3 deletions
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9
tests/headers.at
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@@ -240,9 +240,6 @@ AT_TEST([x7], [%define api.push-pull both])
AT_TEST([x8], [%define api.pure %define api.push-pull both])
#AT_TEST([x5], [%locations %language "c++" %glr-parser])
AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
AT_CHECK([./parser], [0], [[expout]])
# Check that the headers are self-contained, and protected against
# multiple inclusions. While at it, check they are sane for C++.
for h in *.h *.hh
@@ -256,6 +253,12 @@ EOF
AT_COMPILE_CXX([$h.o])
done
# Do this late, so that other checks have been performed.
AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
AT_CHECK([./parser], [0], [[expout]])
m4_popdef([AT_TEST])
AT_CLEANUP

38
tests/local.at
View File

@@ -683,6 +683,44 @@ m4_define([AT_FULL_COMPILE],
])
# AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
# --------------------------------
# Check that we can link together C and C++ objects.
m4_define([AT_SKIP_IF_CANNOT_LINK_C_AND_CXX],
[AT_DATA([c-and-cxx.h],
[[#ifdef __cplusplus
extern "C"
{
#endif
int fortytwo (void);
#ifdef __cplusplus
}
#endif
]])
AT_DATA([c-only.c],
[[#include "c-and-cxx.h"
int
main (void)
{
return fortytwo () == 42 ? 0 : 1;
}
]])
AT_DATA([cxx-only.cc],
[[#include "c-and-cxx.h"
int fortytwo ()
{
return 42;
}
]])
AT_COMPILE([c-only.o], [c-only.c])
AT_COMPILE_CXX([cxx-only.o], [cxx-only.cc])
AT_CHECK([$CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
exit 77], [ignore], [ignore])
AT_CHECK([./c-and-cxx])
])
## ---------------------------- ##
## Running a generated parser. ##
## ---------------------------- ##