opencolorio: Use special gcc flag to avoid ub on march=native builds (#452672)

2026-01-30 16:51:22 +00:00
parent 3ac274f509 fecb61db25
commit e4c9a52948
1 changed files with 3 additions and 0 deletions
@@ -67,6 +67,9 @@ stdenv.mkDerivation rec {
    openexr
  ];

+  # Gcc blindly tries to optimize all float operations instead of just marked ones.
+  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122304
+  CXXFLAGS = "-ffp-contract=on";
  cmakeFlags = [
    "-DOCIO_INSTALL_EXT_PACKAGES=NONE"
    "-DOCIO_USE_SSE2NEON=OFF"