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Merge from trunk

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This commit is contained in:
Shea Levy 2011-11-06 00:13:09 +00:00
commit 2721e9f56f
73 changed files with 759 additions and 446 deletions
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9
src/libexpr/eval.cc
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@ -171,8 +171,8 @@ EvalState::EvalState()
size_t size = 32 * 1024 * 1024;
#if HAVE_SYSCONF && defined(_SC_PAGESIZE) && defined(_SC_PHYS_PAGES)
long pageSize = sysconf(_SC_PAGESIZE);
long pages = sysconf (_SC_PHYS_PAGES);
if (pageSize != -1 && size != -1)
long pages = sysconf(_SC_PHYS_PAGES);
if (pageSize != -1)
size = (pageSize * pages) / 4; // 25% of RAM
if (size > maxSize) size = maxSize;
#endif
@ -1109,7 +1109,10 @@ bool EvalState::isDerivation(Value & v)
{
if (v.type != tAttrs) return false;
Bindings::iterator i = v.attrs->find(sType);
return i != v.attrs->end() && forceStringNoCtx(*i->value) == "derivation";
if (i == v.attrs->end()) return false;
forceValue(*i->value);
if (i->value->type != tString) return false;
return forceStringNoCtx(*i->value) == "derivation";
}