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Update Docker builds and native DEB/RPM package builds to use Clang instead of GCC. #21802

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Update Docker builds and native DEB/RPM package builds to use Clang instead of GCC. #21802

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6338d24
Switch to Clang/Clang++ for Docker builds.
Ferroin Aug 20, 2025
19b8083
Switch to Clang/Clang++ for DEB package builds.
Ferroin Aug 20, 2025
2674182
Switch RPM builds to use Clang instead of GCC.
Ferroin Aug 25, 2025
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6 changes: 4 additions & 2 deletions netdata.spec.in
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Original file line number Diff line number Diff line change
Expand Up @@ -183,8 +183,7 @@ Obsoletes: %{name}-data

# Build dependencies
#
BuildRequires: gcc
BuildRequires: gcc-c++
BuildRequires: clang
BuildRequires: make
BuildRequires: git-core
BuildRequires: cmake
Expand Down Expand Up @@ -375,6 +374,9 @@ advanced correlations and fast root cause analysis, native horizontal scalabilit
%setup -q -n "%{name}-%{version}"

%build
%define __cc clang
%define __cxx clang++
export CFLAGS="%{optflags} -Wno-unused-command-line-argument -Wno-unknown-warning-option"
# Conf step
%cmake -G Ninja \
-DCMAKE_INSTALL_PREFIX=/ \
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3 changes: 3 additions & 0 deletions packaging/build-package.sh
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Expand Up @@ -22,6 +22,9 @@ SOURCE_DIR="$(dirname "$(dirname "${SCRIPT_SOURCE}")")"

CMAKE_ARGS="-S ${SOURCE_DIR} -B ${BUILD_DIR}"

export CC=clang
export CXX=clang++

add_cmake_option() {
CMAKE_ARGS="${CMAKE_ARGS} -D${1}=${2}"
}
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7 changes: 6 additions & 1 deletion packaging/docker/Dockerfile
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Expand Up @@ -32,7 +32,12 @@ RUN chmod +x netdata-installer.sh && \
cp -rp /deps/* /usr/local/ && \
BUILD_ARCH="${BUILD_ARCH:-"$(uname -m)"}" && \
/bin/echo -e "INSTALL_TYPE='oci'\nPREBUILT_ARCH='${BUILD_ARCH}'" > ./system/.install-type && \
CFLAGS="$(packaging/docker/gen-cflags.sh)" LDFLAGS="-Wl,--gc-sections" ./netdata-installer.sh --dont-wait --dont-start-it \
CC=clang CXX=clang++ \
CFLAGS="$(packaging/docker/gen-cflags.sh)" \
LDFLAGS="-Wl,--gc-sections" \
./netdata-installer.sh \
--dont-wait \
--dont-start-it \
--use-system-protobuf \
--disable-ebpf \
--enable-plugin-otel \
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