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Avoid MariaDB Connector/C Windows vectorization crash #13971

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Merged
quinnj merged 1 commit into from
Jun 16, 2026
Merged

Avoid MariaDB Connector/C Windows vectorization crash #13971

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4 changes: 3 additions & 1 deletion M/MariaDB_Connector_C/build_tarballs.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,9 @@ if [[ "${target}" == *-mingw* ]]; then
for p in ../patches/{0004-Add-ws2_32-to-remoteio-libraries,001-mingw-build,002-fix-prototype,003-gcc-fix-use_VA_ARGS,005-Add-definition-of-macros-and-structs-missing-in-MinG,fix-undefined-sec-e-invalid-parameter}.patch; do
atomic_patch -p1 "${p}"
done
export CFLAGS="${CFLAGS} -std=c99"
# GCC can vectorize Connector/C's unaligned protocol-buffer writes into
# aligned SSE stores on Windows, causing statement execution crashes.
export CFLAGS="${CFLAGS} -std=c99 -fno-tree-vectorize"
# Minimum version of Windows supported by MariaDB is 7,
# see tables in https://docs.microsoft.com/en-us/windows/win32/winprog/using-the-windows-headers
if [[ "${nbits}" == 64 ]]; then
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