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| author | glx22 <glx22@users.noreply.github.com> | 2020-06-28 01:18:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-28 01:18:28 +0200 |
| commit | 63d20c029bd283e03a93d3ab93e1565ac427cdce (patch) | |
| tree | eb7eff816d8377d4369ee6a9e2f954a2d0a828bc | |
| parent | 218db00c4c75d0452dd76996a1925775ebdc4e70 (diff) | |
| download | openttd-63d20c029bd283e03a93d3ab93e1565ac427cdce.tar.xz | |
Fix 887b912af: MinGW requires an extra link flag with _FORTIFY_SOURCE (#8246)
see #7860
| -rw-r--r-- | cmake/CompileFlags.cmake | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake index 9287ca249..e7d470c7d 100644 --- a/cmake/CompileFlags.cmake +++ b/cmake/CompileFlags.cmake @@ -33,6 +33,11 @@ macro(compile_flags) "$<$<CONFIG:Debug>:-D_DEBUG>" "$<$<NOT:$<CONFIG:Debug>>:-D_FORTIFY_SOURCE=2>" # FORTIFY_SOURCE should only be used in non-debug builds (requires -O1+) ) + if (MINGW) + add_link_options( + "$<$<NOT:$<CONFIG:Debug>>:-fstack-protector>" # Prevent undefined references when _FORTIFY_SOURCE > 0 + ) + endif (MINGW) # Prepare a generator that checks if we are not a debug, and don't have asserts # on. We need this later on to set some compile options for stable releases. |