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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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38
tests/local.at
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@@ -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. ##
## ---------------------------- ##