From 18c56abe4bf5d069abe9ee44442cbbb859f845f5 Mon Sep 17 00:00:00 2001 From: Ben Boeckel Date: Mon, 17 Nov 2014 18:10:52 -0500 Subject: [PATCH] msys: don't use LTO This causes duplicate symbol errors on msys' mingw install. --- CMakeLists.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index 43d03a879..f3b517a8b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -158,6 +158,8 @@ else() set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN") set(Boost_THREADAPI win32) include_directories(SYSTEM src/platform/mingw) + # mingw doesn't support LTO (multiple definition errors at link time) + set(USE_LTO_DEFAULT false) endif() set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes") set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")