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Enable CGO to support plugins requiring it #461

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simontesar wants to merge 2 commits into from
+12 −2
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Enable CGO to support plugins requiring it #461

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f1f52e4
Enable CGO to support plugins requiring it
simontesar Jul 29, 2026
eb6f137
Enable cross-compiling with CGO_ENABLED=1
simontesar Aug 4, 2026
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14 changes: 12 additions & 2 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.9.0 AS xx
FROM --platform=$BUILDPLATFORM golang:1.26 AS builder

ARG GOARCH=''
COPY --from=xx / /
RUN apt-get update && apt-get install -y --no-install-recommends clang lld

WORKDIR /workspace
# Copy the Go Modules manifests
Expand All @@ -17,12 +19,19 @@ COPY plugins/ plugins/
COPY internal/ internal/
COPY api/ api/

ARG TARGETPLATFORM
ARG TARGETOS
ARG TARGETARCH

# See:
# - https://github.com/tonistiigi/xx#xx-apk-xx-apt-xx-apt-get---installing-packages-for-target-architecture
# - https://github.com/tonistiigi/xx#go--cgo
# - https://github.com/tonistiigi/xx#xx-verify---verifying-compilation-results
RUN xx-apt-get install -y --no-install-recommends gcc libc6-dev
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg \
CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH GO111MODULE=on go build -a -o fedhcp main.go
CGO_ENABLED=1 xx-go build -a -o fedhcp main.go \
&& xx-verify fedhcp

FROM debian:stable AS installer

Expand All @@ -48,6 +57,7 @@ WORKDIR /
COPY --from=builder /workspace/fedhcp .
COPY --from=installer /sbin/setcap /sbin/setcap
COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/libcap.so.2 /lib/${LIB_DIR_PREFIX}-linux-gnu/libcap.so.2
COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/libgcc_s.so.1 /lib/${LIB_DIR_PREFIX}-linux-gnu/libgcc_s.so.1
COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/libc.so.6 /lib/${LIB_DIR_PREFIX}-linux-gnu/libc.so.6
COPY --from=installer /lib/${LIB_DIR_PREFIX}-linux-gnu/${LINKER} /lib/${LIB_DIR_PREFIX}-linux-gnu/${LINKER}
COPY --from=installer /bin/sh /bin/sh
Expand Down