c++config (__USE_MALLOC): Report case where the user improperly defined it on the command line.

libstdc++/6641
	* include/bits/c++config (__USE_MALLOC): Report case where
	the user improperly defined it on the command line.

From-SVN: r53494
This commit is contained in:
Loren J. Rittle 2002-05-15 22:32:25 +00:00 committed by Loren J. Rittle
parent 033afd1106
commit 6c784d9959
2 changed files with 15 additions and 1 deletions

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@ -1,3 +1,9 @@
2002-05-15 Loren J. Rittle <ljrittle@acm.org>
libstdc++/6641
* include/bits/c++config (__USE_MALLOC): Report case where
the user improperly defined it on the command line.
2002-05-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* testsuite/testsuite_hooks.h (__set_testsuite_memlimit):

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@ -69,7 +69,15 @@
// that threads are properly configured on your platform before
// assigning blame to the STL container-memory allocator. After doing
// so, please report any possible issues to libstdc++@gcc.gnu.org .
// Do not blindly #define __USE_MALLOC here or on the command line.
// Do not define __USE_MALLOC on the command line. Enforce it here:
#ifdef __USE_MALLOC
#error __USE_MALLOC should only be defined within \
libstdc++-v3/include/bits/c++config before full recompilation of the library.
#endif
// Define __USE_MALLOC after this point in the file in order to aid debugging
// or globally change allocation policy. This breaks the ABI, thus
// completely recompile the library. A patch to better support
// changing the global allocator policy would be probably be accepted.
// The remainder of the prewritten config is mostly automatic; all the
// user hooks are listed above.