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reprobuild: cross-compile armv7 tarballs
Public commit record
83/100 · Strong
What the developer wrote
Authored by Níckolas Goline
reprobuild: cross-compile armv7 tarballs
armv7 cannot build natively like arm64: cln-grpc's build script takes
protoc from protoc-bin-vendored, which ships no armv7 binary, so the build
panics there.
Add tools/repro-build.armv7.sh, which cross-compiles instead. It runs in
the amd64 cl-repro-<dist> image, adds armhf from ports.ubuntu.com (same
release pocket, updates and security still disabled), and pins the
arm-linux-gnueabihf toolchain and armhf libraries the same way the other
scripts pin theirs. The Rust plugins build for
armv7-unknown-linux-gnueabihf.
The build runs a few armv7 programs (configure tests,
tools/headerversions), so the host needs qemu-arm registered with
binfmt_misc.
bin-Ubuntu-<dist>-armv7 runs the amd64 image with REPRO_ARCH=armv7, and
the tarball lands in release-armv7/.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
✓ Descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Mentions testing or verification✓ Names security-relevant behavior explicitly
What changed, and why it matters
This commit adds a new build script and updates Dockerfiles so that Core Lightning release tarballs can be produced for 32-bit ARM (armv7) devices. It is purely a build-system/infrastructure change for cross-compilation and does not alter any wallet, networking, or cryptographic code. There is no indication it fixes or introduces a security vulnerability.
Recommended action
No security action required. Treat as a normal build-system enhancement. If reviewing, verify the pinned SHA-256 sums match the intended Ubuntu package versions and that the cross-compilation flags are consistent with the existing repro-build scripts.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The change introduces tools/repro-build.armv7.sh, a deterministic cross-compilation script for armv7-unknown-linux-gnueabihf running inside the existing amd64 repro-build image. It pins armhf toolchain/library packages via SHA-256 sums (mirroring the existing amd64/arm64 scripts), configures Rust for the armv7 target, and runs ./configure/make with the cross compiler. Dockerfiles for jammy, noble, and resolute gain an REPRO_ARCH=armv7 branch, and tools/build-release.sh maps *-armv7 targets to the amd64 image with REPRO_ARCH=armv7. No runtime or protocol code is modified.
Changed components
contrib/reprobuild/Dockerfile.jammycontrib/reprobuild/Dockerfile.noblecontrib/reprobuild/Dockerfile.resolutetools/build-release.shtools/repro-build.armv7.shInspect captured patch +339 / −4
### contrib/reprobuild/Dockerfile.jammy
@@ -73,7 +73,11 @@ WORKDIR /build
# that we no longer take the zipfile.
CMD git clone /repo . \
&& uv sync --all-extras --all-groups \
- && if [ "$(dpkg --print-architecture)" = arm64 ]; then \
+ && if [ "$REPRO_ARCH" = armv7 ]; then \
+ uv run tools/repro-build.armv7.sh \
+ && mkdir -p /repo/release-armv7 \
+ && cp *.xz /repo/release-armv7/; \
+ elif [ "$(dpkg --print-architecture)" = arm64 ]; then \
uv run tools/repro-build.arm64.sh \
&& mkdir -p /repo/release-arm64 \
&& cp *.xz /repo/release-arm64/; \
### contrib/reprobuild/Dockerfile.noble
@@ -63,7 +63,11 @@ WORKDIR /build
# that we no longer take the zipfile.
CMD git clone /repo . \
&& uv sync --all-extras --all-groups \
- && if [ "$(dpkg --print-architecture)" = arm64 ]; then \
+ && if [ "$REPRO_ARCH" = armv7 ]; then \
+ uv run tools/repro-build.armv7.sh \
+ && mkdir -p /repo/release-armv7 \
+ && cp *.xz /repo/release-armv7/; \
+ elif [ "$(dpkg --print-architecture)" = arm64 ]; then \
uv run tools/repro-build.arm64.sh \
&& mkdir -p /repo/release-arm64 \
&& cp *.xz /repo/release-arm64/; \
### contrib/reprobuild/Dockerfile.resolute
@@ -63,7 +63,11 @@ WORKDIR /build
# that we no longer take the zipfile.
CMD git clone /repo . \
&& uv sync --all-extras --all-groups \
- && if [ "$(dpkg --print-architecture)" = arm64 ]; then \
+ && if [ "$REPRO_ARCH" = armv7 ]; then \
+ uv run tools/repro-build.armv7.sh \
+ && mkdir -p /repo/release-armv7 \
+ && cp *.xz /repo/release-armv7/; \
+ elif [ "$(dpkg --print-architecture)" = arm64 ]; then \
uv run tools/repro-build.arm64.sh \
&& mkdir -p /repo/release-arm64 \
&& cp *.xz /repo/release-arm64/; \
### tools/build-release.sh
@@ -219,7 +219,17 @@ for target in $TARGETS; do
# Capitalize the first letter of distro
D=$(echo "$d" | awk '{print toupper(substr($0,1,1))substr($0,2)}')
echo "Building Ubuntu $D Image"
- docker run --rm -v "$(pwd)":/repo -e FORCE_MTIME="$MTIME" -e FORCE_VERSION="$VERSION" -e MAKEPAR="$MAKEPAR" cl-repro-"$d"
+ # armv7 is cross-compiled in the amd64 builder image; arm64
+ # builds natively in its own cl-repro-<dist>-arm64 image.
+ IMAGE=cl-repro-"$d"
+ REPRO_ARCH=""
+ case "$d" in
+ *-armv7)
+ IMAGE=cl-repro-"${d%-armv7}"
+ REPRO_ARCH=armv7
+ ;;
+ esac
+ docker run --rm -v "$(pwd)":/repo -e FORCE_MTIME="$MTIME" -e FORCE_VERSION="$VERSION" -e MAKEPAR="$MAKEPAR" -e REPRO_ARCH="$REPRO_ARCH" "$IMAGE"
echo "Ubuntu $D Image Built"
done
;;
### tools/repro-build.armv7.sh
@@ -0,0 +1,313 @@
+#! /bin/sh
+# ARMv7 (32-bit, hard float) variant of repro-build.sh.
+# Unlike the amd64 and arm64 scripts this one cross-compiles: it runs in the
+# amd64 builder image and uses Ubuntu's arm-linux-gnueabihf toolchain plus
+# armhf libraries from ports.ubuntu.com, all pinned below. A native armv7
+# build is not possible: the vendored protoc used by cln-grpc has no armv7
+# binary.
+#
+# The build runs a few armv7 programs (configure tests, tools/headerversions),
+# so the host needs qemu-arm registered with binfmt_misc, e.g.
+# docker run --privileged --rm tonistiigi/binfmt --install arm
+
+set -e
+
+LANG=C
+LC_ALL=C
+export LANG LC_ALL
+
+for arg; do
+ case "$arg" in
+ --force-version=*)
+ FORCE_VERSION=${arg#*=}
+ ;;
+ --force-mtime=*)
+ FORCE_MTIME=${arg#*=}
+ ;;
+ --help)
+ echo "Usage: [--force-version=<ver>] [--force-mtime=YYYY-MM-DD]"
+ exit 0
+ ;;
+ *)
+ echo "Unknown arg $arg" >&2
+ exit 1
+ ;;
+ esac
+ shift
+done
+
+# Taken from https://unix.stackexchange.com/questions/6345/how-can-i-get-distribution-name-and-version-number-in-a-simple-shell-script
+if [ -f /etc/os-release ]; then
+ # freedesktop.org and systemd
+ # shellcheck disable=SC1091
+ . /etc/os-release
+ OS=$NAME
+ VER=$VERSION_ID
+elif command -v lsb_release >/dev/null 2>&1; then
+ # linuxbase.org
+ OS=$(lsb_release -si)
+ VER=$(lsb_release -sr)
+elif [ -f /etc/lsb-release ]; then
+ # For some versions of Debian/Ubuntu without lsb_release command
+ # shellcheck disable=SC1091
+ . /etc/lsb-release
+ OS=$DISTRIB_ID
+ VER=$DISTRIB_RELEASE
+elif [ -f /etc/debian_version ]; then
+ # Older Debian/Ubuntu/etc.
+ OS=Debian
+ VER=$(cat /etc/debian_version)
+else
+ # Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
+ OS=$(uname -s)
+ VER=$(uname -r)
+fi
+
+ARCH=armv7
+PLATFORM="$OS"-"$VER"
+VERSION=${FORCE_VERSION:-$(git describe --tags --always --dirty=-modded --abbrev=7 2>/dev/null || pwd | sed -n 's,.*/clightning-\(v[0-9.rc\-]*\)$,\1,p')}
+MAKEPAR=${MAKEPAR:-1}
+
+# eg. ## [0.6.3] - 2019-01-09: "The Smallblock Conspiracy"
+# Skip 'v' here in $VERSION
+MTIME=${FORCE_MTIME:-$(sed -n "s/^## \\[${VERSION#v}\\] - \\([-0-9]*\\).*/\\1/p" < CHANGELOG.md)}
+if [ -z "$MTIME" ]; then
+ echo "No date found for $VERSION in CHANGELOG.md" >&2
+ exit 1
+fi
+
+echo "Repro Version: $VERSION"
+echo "Repro mTime: $MTIME"
+echo "Repro Platform: $PLATFORM"
+
+if grep ^deb /etc/apt/sources.list | grep -- '-\(updates\|security\)'; then
+ echo Please disable security and updates in /etc/apt/sources.list >&2
+ exit 1
+fi
+
+# Same release pocket as the main archive (updates and security are disabled
+# above), but armhf lives on the ports mirror.
+# VERSION_CODENAME comes from /etc/os-release, sourced above.
+CODENAME=${VERSION_CODENAME:?no VERSION_CODENAME in /etc/os-release}
+sudo dpkg --add-architecture armhf
+sudo sed -i 's/^deb \(http\)/deb [arch=amd64] \1/' /etc/apt/sources.list
+echo "deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports $CODENAME main universe" | sudo tee -a /etc/apt/sources.list
+sudo apt-get update
+
+DOWNLOAD='sudo apt -y --no-install-recommends --reinstall -d install'
+PKGS='autoconf automake libtool make gcc-arm-linux-gnueabihf libc6-dev:armhf libsqlite3-dev:armhf zlib1g-dev:armhf libsodium-dev:armhf libpq-dev:armhf'
+INST='sudo dpkg -i'
+
+case "$PLATFORM" in
+ Ubuntu-22.04)
+ cat > /tmp/SHASUMS <<EOF
+96b528889794c4134015a63c75050f93d8aecdf5e3f2a20993c1433f4c61b80e /var/cache/apt/archives/autoconf_2.71-2_all.deb
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+74d8adcd6e48a7e939e01b0303e7a7e7c9239e1a9cdf1bd57af6cb4ef4fd76ff /var/cache/apt/archives/binutils-arm-linux-gnueabihf_2.38-3ubuntu1_amd64.deb
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+080b79a1a1623a2e6c6eead37d62b15fdf2c3dbfeafe8ecf5e31c54eb09eadcc /var/cache/apt/archives/make_4.3-4.1build1_amd64.deb
+3a58d258d27cc25ba35159d9baf0a0edcb30084be5b2af159088949927e35544 /var/cache/apt/archives/zlib1g-dev_1%3a1.2.11.dfsg-2ubuntu9_armhf.deb
+fa227e5f5b3310b63ac317f9bf002cdb358e42de0eef093cdc0364cce92490c8 /var/cache/apt/archives/zlib1g_1%3a1.2.11.dfsg-2ubuntu9_armhf.deb
+EOF
+ ;;
+ Ubuntu-24.04)
+ cat > /tmp/SHASUMS <<EOF
+cc3f9f7a1e576173fb59c36652c0a67c6426feae752b352404ba92dfcb1b26c9 /var/cache/apt/archives/autoconf_2.71-3_all.deb
+5ae9a98e73545002cd891f028859941af2a3c760cb6190e635c7ef36953912de /var/cache/apt/archives/automake_1%3a1.16.5-1.3ubuntu1_all.deb
+04fe0cda23afaf185fd4ec7edbfac8afda9008c4ddc6898ccb6aca8f4b5eeb7d /var/cache/apt/archives/binutils-arm-linux-gnueabihf_2.42-4ubuntu2_amd64.deb
+a6bab4ba1641b40871f049e9ce534d85805b58f9083a48c352f93b7eebae7689 /var/cache/apt/archives/cpp-13-arm-linux-gnueabihf_13.2.0-23ubuntu4cross1_amd64.deb
+64c3b896c8cad177c41e540cd8324ac60313371216b17eb78eba69caf19eedce /var/cache/apt/archives/cpp-arm-linux-gnueabihf_4%3a13.2.0-7ubuntu1_amd64.deb
+f55e2547444a1a2d2b8cc3277de6d4bc965c2ee53d38cea0d9d5917194c58788 /var/cache/apt/archives/gcc-13-arm-linux-gnueabihf-base_13.2.0-23ubuntu4cross1_amd64.deb
+03e261f1e341e323cf63eb9c6b9636923f140a4268924fd8774872ce8dee63ef /var/cache/apt/archives/gcc-13-arm-linux-gnueabihf_13.2.0-23ubuntu4cross1_amd64.deb
+1a9adce5c298fa1ded7a9f3448d9cdbcd68c2b14e5d7a7f8b356a1ff54f37e91 /var/cache/apt/archives/gcc-13-cross-base_13.2.0-23ubuntu4cross1_all.deb
+2fe15d034f6e0e7504f1e1635e3b55628c09c70eb3857a77f3b9eae8518eb03f /var/cache/apt/archives/gcc-14-base_14-20240412-0ubuntu1_armhf.deb
+4abeb95258bbaf5542d71d3483532529126d5773fe14e9a024f564b94b5d9d61 /var/cache/apt/archives/gcc-14-cross-base_14-20240412-0ubuntu1cross1_all.deb
+d8628ea40a408311dd3ecabad1965e1775f47a1889fca888b07f10107381dabb /var/cache/apt/archives/gcc-arm-linux-gnueabihf_4%3a13.2.0-7ubuntu1_amd64.deb
+f5ca52b5c6bc6743a964c9ba678d7eea43c64c07e1c47af268534aa6cd6d95da /var/cache/apt/archives/libasan8-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+a811378f78501e9fa7b342160398d29ce1aab745938c0024169fda63a235afc4 /var/cache/apt/archives/libatomic1-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+4c61c413e2cc45ce2c5703a1564d1886f45c98ddbbd33d9f8b05736dee045ce1 /var/cache/apt/archives/libc6-armhf-cross_2.39-0ubuntu8cross1_all.deb
+47c4a7482e11f188870a9eccd9104016c445f90c6e737e7e6326726eefebe840 /var/cache/apt/archives/libc6-dev_2.39-0ubuntu8_armhf.deb
+77aa11468315dc1241e24d7963d01512f81541e64d960c9d7685c380fb490b50 /var/cache/apt/archives/libc6_2.39-0ubuntu8_armhf.deb
+2d59bae0f2d0ba057574a06e14475af4e501720756934bf3451ba0b8a687b0bd /var/cache/apt/archives/libcom-err2_1.47.0-2.4~exp1ubuntu4_armhf.deb
+58010a8f588477dae4444f3b92636ef4e02aa2d21ab4587d33702299163a5380 /var/cache/apt/archives/libcrypt-dev_1%3a4.4.36-4build1_armhf.deb
+198990e999add09e21b0ab3522c94333a0e135656c7f00960f534cec15477a74 /var/cache/apt/archives/libcrypt1_1%3a4.4.36-4build1_armhf.deb
+12ac2200cb3d8451b92d626d1733f5e72d832ceabb1d9b20cd5b04ab74079012 /var/cache/apt/archives/libdb5.3t64_5.3.28+dfsg2-7_armhf.deb
+a5af6885f9b3f5e2910c767c74824c6415eeaaa54181bdfb31bdc6d481fc2bba /var/cache/apt/archives/libffi8_3.4.6-1build1_armhf.deb
+a1e27cfa0325649d1b7e026f80533739c66db4d28a7b3b9bf875305f9babca8f /var/cache/apt/archives/libgcc-13-dev-armhf-cross_13.2.0-23ubuntu4cross1_all.deb
+7c9d5ba79c69b9ea40b0b7b6a429f40e5d5525d72c74dc69545a823773d1de73 /var/cache/apt/archives/libgcc-s1-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+0c5b9ce5fe1f45b3b743c6fdc18c1d41eca56220a5df03e5c9a72f9c3414d3bd /var/cache/apt/archives/libgcc-s1_14-20240412-0ubuntu1_armhf.deb
+c9f5b7782608819532c8b7c480791f02e2913220488a88a0bf95eff452c29fb1 /var/cache/apt/archives/libgmp10_2%3a6.3.0+dfsg-2ubuntu6_armhf.deb
+dd12a5df17e84c37d2a08917e16379a5eaa13ee9e67f40c751177e7b4451b4a4 /var/cache/apt/archives/libgnutls30t64_3.8.3-1.1ubuntu3_armhf.deb
+b09a5d8f6a425ca1cada2d20d32543c5f2f8a99c3e2fb1cc982e86c5c2f3402c /var/cache/apt/archives/libgomp1-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+d6a583b0af50535cb401953427a3a8c798bcbd2091f76a3f7f925cc61140f878 /var/cache/apt/archives/libgssapi-krb5-2_1.20.1-6ubuntu2_armhf.deb
+e038eb5d755a1488dbb7c521f318f55a0750293b6fb71486d029f94e840c6f9f /var/cache/apt/archives/libhogweed6t64_3.9.1-2.2build1_armhf.deb
+13fe57406cfc24c15b9992f77af18d62ca2d8693fe0627ebeeb60136ae4ce1f4 /var/cache/apt/archives/libidn2-0_2.3.7-2build1_armhf.deb
+7902f06a1bda378cb1a9bfafd8916487f9463f8dfc28c3e5a90ace1aa89a2680 /var/cache/apt/archives/libk5crypto3_1.20.1-6ubuntu2_armhf.deb
+b7fbdce39f4c1e509936a58bb7dd16030e401afc8da8917b855ca77fb91d3a38 /var/cache/apt/archives/libkeyutils1_1.6.3-3build1_armhf.deb
+04bbe5628d7237de592a96d011bd1279a4a65a1b8c980612d21f9e0b9dd814eb /var/cache/apt/archives/libkrb5-3_1.20.1-6ubuntu2_armhf.deb
+5ba23686e7cc066cdecaabc8000b21de5cf4c37d4f1090e19d58a2f65b18e66d /var/cache/apt/archives/libkrb5support0_1.20.1-6ubuntu2_armhf.deb
+ced9a8b5d9c28a5971d3711797b872fffc10303c07a0acec33034c0496ca045d /var/cache/apt/archives/libldap2_2.6.7+dfsg-1~exp1ubuntu8_armhf.deb
+e42190f8dc07e08a56a51dc5ffd9e706eb7a6091537830d866c775d773ff501f /var/cache/apt/archives/libnettle8t64_3.9.1-2.2build1_armhf.deb
+62363f55d00e882964fe8011001516afb3442180c85c1b80eb57ded249785eb1 /var/cache/apt/archives/libp11-kit0_0.25.3-4ubuntu2_armhf.deb
+db3d3b572e2b71471338786363191eb76a8d4bb64c45cc39cef11bb0e3900a77 /var/cache/apt/archives/libpq-dev_16.2-1ubuntu4_armhf.deb
+eb70fab21cecd6fd56afa27e7fd740111bcae7b4393472d27a14c782637853fd /var/cache/apt/archives/libpq5_16.2-1ubuntu4_armhf.deb
+098f891e009100d501b027b552baf66e6787f095a86e1085c4ad2ddb37e7dfa2 /var/cache/apt/archives/libsasl2-2_2.1.28+dfsg1-5ubuntu3_armhf.deb
+64e6a8b037ff29c934e489365ee5ced370bf8e2c9d55c04607ca14ffb23b2e48 /var/cache/apt/archives/libsasl2-modules-db_2.1.28+dfsg1-5ubuntu3_armhf.deb
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+876d648293a0376b3bb2de3ae2b01ef730ba8b67968a474cb865dd4f35a23075 /var/cache/apt/archives/libsqlite3-0_3.45.1-1ubuntu2_armhf.deb
+8bfdb552386ec4577fa6b7300b8413a1223f2d53f780ce3a21ecfe13cd86428e /var/cache/apt/archives/libsqlite3-dev_3.45.1-1ubuntu2_armhf.deb
+d84e38b5476a064426f1c0abb2e770815a07af55e22cc23f216ecd2053603323 /var/cache/apt/archives/libssl-dev_3.0.13-0ubuntu3_armhf.deb
+2fd586f776e78de2a5ca3be78785eae7651ea7552a9851213eed6c8878ddbf5c /var/cache/apt/archives/libssl3t64_3.0.13-0ubuntu3_armhf.deb
+ccabe2ee67dfb776ddbf693c69a9a40408e3fbed243f331243c8d0ecb5a3aa1b /var/cache/apt/archives/libstdc++6-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+8a19fdac1cd60fbaf3d76ea9aa923acbfe76ec2ed2c37013b04488645143b62f /var/cache/apt/archives/libtasn1-6_4.19.0-3build1_armhf.deb
+9d1d707179675d38e024bb13613b1d99e0d33fa6c45e5f3bcba19340781781d3 /var/cache/apt/archives/libtool_2.4.7-7build1_all.deb
+ce3c417e25dd92d5c6f50dce730da866b267c46d8d1a9d9e03c3869778473ba7 /var/cache/apt/archives/libubsan1-armhf-cross_14-20240412-0ubuntu1cross1_all.deb
+69809eac19a0b176866c3d8290ffb6f1fe63af5c94a8d932ccb70e7b43dda5fa /var/cache/apt/archives/libunistring5_1.1-2build1_armhf.deb
+72dee1234a55b2894bdfbdf2d58583bcdbbf90c87a383b1b16272e848602e74b /var/cache/apt/archives/linux-libc-dev_6.8.0-31.31_armhf.deb
+1fe6a815b56c7b6e9ce4086a363f09444bbd0a0d30e230c453d0b78e44b57a99 /var/cache/apt/archives/make_4.3-4.1build2_amd64.deb
+d085c375d6d4a558551dbdc897ad354126d4dffa604d2ac57d5099d7127ac2aa /var/cache/apt/archives/zlib1g-dev_1%3a1.3.dfsg-3.1ubuntu2_armhf.deb
+df86f129cef95044bddc9cd920c1e0e478d42164c7323c4ec02a6a42b81324c6 /var/cache/apt/archives/zlib1g_1%3a1.3.dfsg-3.1ubuntu2_armhf.deb
+EOF
+ ;;
+ Ubuntu-26.04)
+ cat > /tmp/SHASUMS <<EOF
+9edd0db0fa94580ab013529d6842a8e89b8ed22ab337da5e95cbb43971978815 /var/cache/apt/archives/autoconf_2.72-3.1ubuntu2_all.deb
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+929c3f39b2a50018ff177c02df4ba730f5516a17a92bf1ed5ee02c5895445768 /var/cache/apt/archives/binutils-arm-linux-gnueabihf_2.46-3ubuntu2_amd64.deb
+46d663b3ff4888d2e53994dacc66d4b8ed06eacf6e1491bcdc4e0f08fd20c0b8 /var/cache/apt/archives/cpp-15-arm-linux-gnueabihf_15.2.0-16ubuntu1cross1_amd64.deb
+fba23c69670b35ebf65dc982c05d733881bac66c9f2ab844074f057355a221b2 /var/cache/apt/archives/cpp-arm-linux-gnueabihf_4%3a15.2.0-5ubuntu1_amd64.deb
+2cff1c4dfcd0234a5ab4b0db1c81df4070f220cbefe1278a8160e4ec2da8d3bd /var/cache/apt/archives/gcc-15-arm-linux-gnueabihf-base_15.2.0-16ubuntu1cross1_amd64.deb
+3077a8c6ca15ff2fd3307be7bfda852d1b6965993e8073d2cd01d6f0292f3fad /var/cache/apt/archives/gcc-15-arm-linux-gnueabihf_15.2.0-16ubuntu1cross1_amd64.deb
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+75e8ec3961a45b863bad033696bef0b9291a3f961c56ad457f2a3822a3d34a92 /var/cache/apt/archives/gcc-16-base_16-20260322-1ubuntu1_armhf.deb
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+9f046cc9c160b7ae588fbfa5700433c77eecb947e77f24f624dada4ff8efc1fa /var/cache/apt/archives/gcc-arm-linux-gnueabihf_4%3a15.2.0-5ubuntu1_amd64.deb
+644b7042eb7eef0eef1c29dcbaddf2792c05e04883e94d7d81d0ffcdd906fc00 /var/cache/apt/archives/libasan8-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+b9ade21823076f86e94bc8f05909d05388dd2041723cc2fbf719d01e98ed640a /var/cache/apt/archives/libatomic1-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+c6bbc3f2103a6c57ed7098b7af966b20dfb46af42f5c14bd3d2bee0c12cf76ed /var/cache/apt/archives/libc-gconv-modules-extra_2.43-2ubuntu2_armhf.deb
+9025e2fe97988e27606e3e44b68e0f73d4c569bf2a99d97b00211f833cc9fcbc /var/cache/apt/archives/libc6-armhf-cross_2.43-2ubuntu2cross1_all.deb
+83008eedf6c1b54f9c7269f71245c869fe051fea451825b06c812c6f123e977a /var/cache/apt/archives/libc6-dev_2.43-2ubuntu2_armhf.deb
+831bdee68fdb23ead2eb1c4a707cc2b81796336f890a3a809367cde998b5daba /var/cache/apt/archives/libc6_2.43-2ubuntu2_armhf.deb
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+13fb1308eab44c12e4510f7562f39fc1442ce4eb92e3291d76c4470121382a5a /var/cache/apt/archives/libdb5.3t64_5.3.28+dfsg2-10ubuntu1_armhf.deb
+4070310a3b595c9cf905d68f37f755754f0509367ab3c4ed973c8a7ebea22f1e /var/cache/apt/archives/libgcc-15-dev-armhf-cross_15.2.0-16ubuntu1cross1_all.deb
+2706eecec31000b152dad5069490c5d01caad315f3d2ec05c100e06f7968c09d /var/cache/apt/archives/libgcc-s1-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+79ca72801922eaab2b4491beea15557543c963f75c4161c9be6acf2b48c8e981 /var/cache/apt/archives/libgcc-s1_16-20260322-1ubuntu1_armhf.deb
+a26477e8500a9dc92c38f186283f1b475d61fabfe2bb17c800ac066740025e10 /var/cache/apt/archives/libgomp1-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+9681dd934c657e4591bfef366bc080c63b84ec45b6e14a1ff932a87eab6c0054 /var/cache/apt/archives/libgssapi-krb5-2_1.22.1-2ubuntu4_armhf.deb
+fe2824b87a761dd08bc04fcedd971b84b8ce03d2955a00a5f7f9ae8c7319ccec /var/cache/apt/archives/libk5crypto3_1.22.1-2ubuntu4_armhf.deb
+ba6ca48f7bf50da04ca05a366850318b037485b2b0889552fa3c8687c8e697a4 /var/cache/apt/archives/libkeyutils1_1.6.3-6ubuntu3_armhf.deb
+d1d068284e5efed0a7853ed9066115f18df839a476cffe8a176a015de89c2545 /var/cache/apt/archives/libkrb5-3_1.22.1-2ubuntu4_armhf.deb
+502e4c7faa93a57dae12a7acba613d58eaffe903fff81e393dad93b0a294c266 /var/cache/apt/archives/libkrb5support0_1.22.1-2ubuntu4_armhf.deb
+956831b7f4cd9ececdd6ebde880b26aefb18f4ecf717b5b704209afe9b50a5e1 /var/cache/apt/archives/libldap2_2.6.10+dfsg-1ubuntu5_armhf.deb
+4c76bebaf96da810204bd9df9dc99d458386fb7081adc1402fdde06784a0e985 /var/cache/apt/archives/libpq-dev_18.3-1_armhf.deb
+40c53f5e146910e4f9cb4fb125477764b760625c3a8ffa3d29520939f407d27d /var/cache/apt/archives/libpq5_18.3-1_armhf.deb
+c7d359eab37b60fae5df324c64568748a4d70890d1b0aadd199d87550828b9b1 /var/cache/apt/archives/libsasl2-2_2.1.28+dfsg1-9ubuntu3_armhf.deb
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+dc2329cd7cf9046b546afb8b8c264c14fc2ecc2ebfb7562b15ca02c08b5f57d9 /var/cache/apt/archives/libsodium-dev_1.0.18-2_armhf.deb
+92d69835d7178472440de132d9f09fb2af4289b18a9de2e3e4fe6b792c2ff0a1 /var/cache/apt/archives/libsodium23_1.0.18-2_armhf.deb
+c9768c7c92736deebf752628419a3e0b0446128bd205cf77eee6d0b243faff89 /var/cache/apt/archives/libsqlite3-0_3.46.1-9_armhf.deb
+aeb00846b3fd18dcb8c81d1abc8b51de94750601fb3c3890401b98b94e415436 /var/cache/apt/archives/libsqlite3-dev_3.46.1-9_armhf.deb
+318396362cd572a43b629ec32649ffcb84a0ebf1e93356db1e603995de77e922 /var/cache/apt/archives/libssl-dev_3.5.5-1ubuntu3_armhf.deb
+724e5470b289295abc5dad2d52be828d4576c7222ceca9676266e7842dc0c036 /var/cache/apt/archives/libssl3t64_3.5.5-1ubuntu3_armhf.deb
+23e550073b91214769061fa6fff453e7cb228df2638c47a41cfb0b10f383ab83 /var/cache/apt/archives/libstdc++6-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+5b3146cd9d380e4725fc5b5e54795ae1f72d165d93e68ce29076b69762661fd4 /var/cache/apt/archives/libtool_2.5.4-9_all.deb
+b0ad7c49650156bb4b12b998b6ccc87f6d764a1d6d4d2d08f57c7fb68d646d62 /var/cache/apt/archives/libubsan1-armhf-cross_16-20260322-1ubuntu1cross1_all.deb
+5a341c4f3c183e2b823286068dedd8b435c95dc8850645ba1d3380b863323f69 /var/cache/apt/archives/libzstd1_1.5.7+dfsg-3_armhf.deb
+1bfd3d8ca72df9795d24b25c73ef46afd75f3d208be7d07440116adbce800eac /var/cache/apt/archives/linux-libc-dev_7.0.0-14.14_armhf.deb
+a86f39d57a32b7c919c0ad721fc2f17ab533a42fda348c8d81a4eea1577a014f /var/cache/apt/archives/make_4.4.1-3_amd64.deb
+bb0b4249d442c1e456fd7a780012197c939d75a70e06aa780dd72be11fdc0c5f /var/cache/apt/archives/zlib1g-dev_1%3a1.3.dfsg+really1.3.1-1ubuntu3_armhf.deb
+d2c898b707c71795e62acd2875148116225ce0376b18fcd7e572e18cb269e97a /var/cache/apt/archives/zlib1g_1%3a1.3.dfsg+really1.3.1-1ubuntu3_armhf.deb
+EOF
+ ;;
+ *)
+ echo Unsupported platform "$PLATFORM" >&2
+ exit 1
+ ;;
+esac
+
+# Download the packages
+# shellcheck disable=SC2086
+$DOWNLOAD $PKGS
+
+# Make sure versions match, and exactly.
+sha256sum -c /tmp/SHASUMS
+
+# Install them
+# shellcheck disable=SC2046
+$INST $(cut -c66- < /tmp/SHASUMS)
+
+RUST_TARGET=armv7-unknown-linux-gnueabihf
+rustup target add "$RUST_TARGET"
+CARGO_BUILD_TARGET=$RUST_TARGET
+CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER=arm-linux-gnueabihf-gcc
+export CARGO_BUILD_TARGET CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_LINKER
+
+# MAKE_HOST and BUILD give the bundled autotools libraries the right --host;
+# TARGET tells the Makefile where cargo puts the armv7 binaries.
+CROSS="MAKE_HOST=arm-linux-gnueabihf BUILD=x86_64-linux-gnu TARGET=$RUST_TARGET"
+
+# Build ready for packaging.
+./configure --prefix=/usr CC="arm-linux-gnueabihf-gcc -fdebug-prefix-map=$(pwd)=/home/clightning"
+# shellcheck disable=SC2086
+make -j"$MAKEPAR" PYTHON_VERSION=3 VERSION="$VERSION" $CROSS
+# shellcheck disable=SC2086
+make -j"$MAKEPAR" install DESTDIR=inst/ VERSION="$VERSION" $CROSS
+
+cd inst && tar --sort=name \
+ --mtime="$MTIME 00:00Z" \
+ --owner=0 --group=0 --numeric-owner -cvaf ../clightning-"$VERSION-$PLATFORM-$ARCH".tar.xz .Risk score
Our methodology →Why this scored 14/100
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