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libctf, dedup: add new configure option --enable-libctf-hash-debugging

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Add a new debugging configure option, --enable-libctf-hash-debugging,
off by default, which lets you configure in expensive internal
consistency checks and enable the printing of debugging output when
LIBCTF_DEBUG=t before type deduplication has happened.

In this commit we just add the option and cause it to turn ctf_assert
into a real, hard assert for easier debugging.

libctf/
	* configure.ac: Add --enable-libctf-hash-debugging.
	* aclocal.m4: Pull in enable.m4, for GCC_ENABLE.
	* Makefile.in: Regenerated.
	* configure: Likewise.
	* config.h.in: Likewise.
	* ctf-impl.h [ENABLE_LIBCTF_HASH_DEBUGGING]
	(ctf_assert): Define to assert.
This commit is contained in:
Nick Alcock 2020-06-05 18:38:03 +01:00
parent 1f2e8b5b87
commit a9b9870206
7 changed files with 65 additions and 2 deletions
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5
libctf/ctf-impl.h
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@ -71,9 +71,14 @@ extern "C"
#endif
#if defined (ENABLE_LIBCTF_HASH_DEBUGGING) && !defined (NDEBUG)
#include <assert.h>
#define ctf_assert(fp, expr) (assert (expr), 1)
#else
#define ctf_assert(fp, expr) \
_libctf_unlikely_ (ctf_assert_internal (fp, __FILE__, __LINE__, \
#expr, !!(expr)))
#endif
/* libctf in-memory state. */