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hhvm: fix build

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Upstream re2 commit:

b94b7cd42e

Upstream bytecode.h commit:

f8a75ca667
This commit is contained in:
Piotr Bogdan 2017-08-29 16:13:32 +01:00 committed by Robin Gloster
parent 46e41da543
commit d9a0c68775
2 changed files with 37 additions and 0 deletions
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4
pkgs/development/compilers/hhvm/default.nix
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@ -26,6 +26,10 @@ stdenv.mkDerivation rec {
gmp libyaml libedit libvpx imagemagick fribidi gperf
];
patches = [
./flexible-array-members-gcc6.patch
];
enableParallelBuilding = false; # occasional build problems;
dontUseCmakeBuildDir = true;
NIX_LDFLAGS = "-lpam -L${pam}/lib";

33
pkgs/development/compilers/hhvm/flexible-array-members-gcc6.patch Normal file
View File

@ -0,0 +1,33 @@
diff --git a/hphp/runtime/vm/bytecode.h b/hphp/runtime/vm/bytecode.h
index ddc7b69..edf807c 100644
--- a/hphp/runtime/vm/bytecode.h
+++ b/hphp/runtime/vm/bytecode.h
@@ -124,7 +124,7 @@ private:
static void* allocMem(unsigned nargs);
private:
- TypedValue m_extraArgs[];
+ TypedValue m_extraArgs[0];
TYPE_SCAN_FLEXIBLE_ARRAY_FIELD(m_extraArgs);
};
diff --git a/third-party/re2/src/re2/dfa.cc b/third-party/re2/src/re2/dfa.cc
index 483f678..3aa3610 100644
--- a/third-party/re2/src/re2/dfa.cc
+++ b/third-party/re2/src/re2/dfa.cc
@@ -101,8 +101,13 @@ class DFA {
uint flag_; // Empty string bitfield flags in effect on the way
// into this state, along with kFlagMatch if this
// is a matching state.
- std::atomic<State*> next_[]; // Outgoing arrows from State,
- // one per input byte class
+// Work around the bug affecting flexible array members in GCC 6.1 and 6.2.
+// (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70932)
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 6 && __GNUC_MINOR__ >= 1
+ std::atomic<State*> next_[0]; // Outgoing arrows from State, one per input byte class
+#else
+ std::atomic<State*> next_[]; // Outgoing arrows from State, one per input byte class
+#endif
};
enum {