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Build with lto #4161

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2 changes: 1 addition & 1 deletion .gitlab/build-tracing.sh
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Expand Up @@ -19,7 +19,7 @@ catch_warnings="${2:-1}"
mkdir -p extensions_$(uname -m) standalone_$(uname -m)

ECHO_ARG="-e"
CFLAGS="-std=gnu11 -O2 -g -Wall -Wextra"
export CFLAGS="-std=gnu11 -O2 -g -Wall -Wextra -flto=auto -ffat-lto-objects"

@chatgpt-codex-connector chatgpt-codex-connector Bot Sep 4, 2026

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P1 Badge Use an LTO mode supported by GCC 7

The Linux GNU packaging jobs use the CentOS 7 images configured in .gitlab/generate-package.php, and this script explicitly activates devtoolset-7 before exporting these flags. GCC 7 supports -flto, an integer job count, or jobserver, but not -flto=auto (GCC 7.5 LTO documentation); because the exported value is inherited by configure and the extension build, every CentOS artifact job will stop with an unsupported -flto= argument before producing packages. Use plain -flto, a numeric value, or a compiler-supported conditional.

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if [ "${suffix}" = "-alpine" ]; then
CFLAGS="${CFLAGS} -Wno-error=return-local-addr"
fi
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