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configure: support --enable-glibgxx-debug

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Part of #184.

* m4/devel.m4 (adl_ENABLE_GLIBCXX_DEBUG): New macro.
* configure.ac: Use it.
* README: Mention it.
* spot/twa/acc.cc: Fix a small issue found with this
option.
This commit is contained in:
Alexandre Duret-Lutz 2016-07-24 00:05:25 +02:00
parent 1a5de86c1e
commit 9f7bf5ab2d
4 changed files with 21 additions and 1 deletions
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3
spot/twa/acc.cc
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@ -574,7 +574,8 @@ namespace spot
{
// Pick a random code and put it at the end
int p1 = mrand(s--);
std::swap(codes[p1], codes[s]);
if (p1 != s) // https://gcc.gnu.org/bugzilla//show_bug.cgi?id=59603
std::swap(codes[p1], codes[s]);
// and another one
int p2 = mrand(s);