authorgravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2016-01-15 17:18:03-07:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2016-01-15 17:18:03-07:00
log74b1665586bafe0fcd063480b9480a77cbf93ab2
treea39a1c25ccc56dc54e66022f1b52dc18af7d9792
parent39c1348862036503c71b7661a7902eb800d4a9bf

more readme formatting

1 files changed, 6 insertions(+), 3 deletions(-)

README.md+6-3
...@@ -100,9 +100,12 @@ undefined reference to `_ZNK4llvm17SubtargetFeatures9getStringB5cxx11Ev'...@@ -100,9 +100,12 @@ undefined reference to `_ZNK4llvm17SubtargetFeatures9getStringB5cxx11Ev'
100undefined reference to `llvm::SubtargetFeatures::getString() const'100undefined reference to `llvm::SubtargetFeatures::getString() const'
101```101```
102102
103This is because of [C++'s Dual ABI](https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html).103This is because of
104[C++'s Dual ABI](https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html).
104Most likely LLVM was compiled with one compiler while Zig was compiled with a105Most likely LLVM was compiled with one compiler while Zig was compiled with a
105different one, for example GCC vs clang.106different one, for example GCC vs clang.
106107
107To fix this, compile Zig with the same compiler that LLVM was compiled with, or108To fix this, you have 2 options:
108add `-DZIG_LLVM_OLD_CXX_ABI=yes` to the cmake configure line.109
110 * Compile Zig with the same compiler that LLVM was compiled with.
111 * Add `-DZIG_LLVM_OLD_CXX_ABI=yes` to the cmake configure line.