Change lld repository to trixie-backports

Author: AngelYanev

alpine/Dockerfile

@@ -24,8 +24,6 @@ ARG REDISJSON_VERSION
 ARG REDISBLOOM_VERSION
 ARG REDISTIMESERIES_VERSION
 {% endif -%}
-# 1 = enable link-time optimization for bundled modules (e.g. RediSearch), 0 = off. Override with: docker build --build-arg LTO=0
-ARG LTO=1
 
 RUN set -eux; \
 	\
@@ -125,15 +123,8 @@ RUN set -eux; \
 	export RUST_DYN_CRT=1; \
 	export PATH="/usr/lib/llvm21/bin:$PATH"; \
 	export BUILD_TLS=yes; \
-	if [ "$BUILD_WITH_MODULES" = "yes" ] && [ "${LTO}" = "1" ]; then \
-		mkdir -p /usr/local/bin; \
-		ln -sf /usr/lib/llvm21/bin/clang-21 /usr/local/bin/clang-21; \
-		ln -sf /usr/lib/llvm21/bin/clang++-21 /usr/local/bin/clang++-21; \
-		ln -sf /usr/lib/llvm21/bin/lld /usr/local/bin/lld; \
-		[ -x /usr/lib/llvm21/bin/lld-21 ] && ln -sf /usr/lib/llvm21/bin/lld-21 /usr/local/bin/lld-21; \
-	fi; \
 	if [ "$BUILD_WITH_MODULES" = "yes" ]; then \
-		export LTO=${LTO}; \
+		export LTO=1; \
 
 	{%- if custom_build %}
 

alpine/Dockerfile.j2

@@ -24,8 +24,6 @@ ARG REDISJSON_VERSION
 ARG REDISBLOOM_VERSION
 ARG REDISTIMESERIES_VERSION
 {% endif %}
-# 1 = enable link-time optimization for bundled modules (e.g. RediSearch), 0 = off. Override with: docker build --build-arg LTO=0
-ARG LTO=1
 
 RUN set -eux; \
 	\
@@ -48,6 +46,7 @@ RUN set -eux; \
 		*) echo >&2 "Modules are NOT supported! unsupported architecture: '$arch'"; export BUILD_WITH_MODULES=no ;; \
 	esac; \
 	if [ "$BUILD_WITH_MODULES" = "yes" ]; then \
+		echo 'deb http://deb.debian.org/debian trixie-backports main' > /etc/apt/sources.list.d/backports.list; \
 		apt-get update; \
 		apt-get install -y --no-install-recommends \
 			git \
@@ -58,21 +57,15 @@ RUN set -eux; \
 			python3-dev \
 			unzip \
 			rsync \
-			clang \
 			automake \
 			autoconf \
 			libtool \
 			g++; \
-		if [ "${LTO}" = "1" ]; then \
-			install -d /etc/apt/keyrings; \
-			wget -qO /etc/apt/keyrings/llvm.asc https://apt.llvm.org/llvm-snapshot.gpg.key; \
-			echo "deb [signed-by=/etc/apt/keyrings/llvm.asc] http://apt.llvm.org/trixie/ llvm-toolchain-trixie-21 main" > /etc/apt/sources.list.d/llvm.list; \
-			apt-get update; \
-			apt-get install -y --no-install-recommends clang-21 lld-21 llvm-21; \
-			export PATH="/usr/lib/llvm-21/bin:$PATH"; \
-		fi; \
+		apt-get install -y --no-install-recommends -t trixie-backports clang-21 lld-21 llvm-21; \
+		export PATH="/usr/lib/llvm-21/bin:$PATH"; \
 	fi; \
 	\
+	rm -f /etc/apt/sources.list.d/backports.list; \
 	rm -rf /var/lib/apt/lists/*; \
 	\
 	wget -O redis.tar.gz "$REDIS_DOWNLOAD_URL"; \
@@ -132,7 +125,7 @@ RUN set -eux; \
 	\
 	export BUILD_TLS=yes; \
 	if [ "$BUILD_WITH_MODULES" = "yes" ]; then \
-		export LTO=${LTO}; \
+		export LTO=1; \
 	fi; \
 	make -C /usr/src/redis -j "$(nproc)" all; \
 	make -C /usr/src/redis install; \