diff options
| author | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2011-07-20 19:23:26 +0000 |
|---|---|---|
| committer | rmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d> | 2011-07-20 19:23:26 +0000 |
| commit | b4d06bb36dc022e42201ad5f3f1afd2abda18c40 (patch) | |
| tree | 55b959d8299f2587c48367a0a257cd73c37ef951 /mcon/U/d_built_memcmp.U | |
| parent | d4b7a140ab4af95a21772c4cf4a59eb52ca1fcf8 (diff) | |
Added check for __builtin_memcmp().
git-svn-id: svn://svn.code.sf.net/p/dist/code/trunk/dist@96 2592e710-e01b-42a5-8df0-11608a6cc53d
Diffstat (limited to 'mcon/U/d_built_memcmp.U')
| -rw-r--r-- | mcon/U/d_built_memcmp.U | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mcon/U/d_built_memcmp.U b/mcon/U/d_built_memcmp.U new file mode 100644 index 0000000..a96a869 --- /dev/null +++ b/mcon/U/d_built_memcmp.U @@ -0,0 +1,37 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 2011, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?MAKE:d_built_memcmp: Trylink cat +?MAKE: -pick add $@ %< +?S:d_built_memcmp: +?S: This variable conditionally defines the HAS_BUILTIN_MEMCMP symbol, which +?S: indicates to the C program that __builtin_memcmp is available. +?S:. +?C:HAS_BUILTIN_MEMCMP: +?C: This symbol, if defined, indicates that __builtin_memcmp routine is +?C: available to compare memory buffers. +?C:. +?H:#$d_built_memcmp HAS_BUILTIN_MEMCMP /**/ +?H:. +?LINT:set d_built_memcmp +: check for __builtin_memcmp +$cat >try.c <<EOC +int main(void) +{ + static int ret; + char a[5], b[5]; + ret |= __builtin_memcmp(a, b, 5); + return ret ? 0 : 1; +} +EOC +cyn=__builtin_memcmp +set d_built_memcmp +eval $trylink + |