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feat: build ROOT against external llvm #288

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0b5068f
feat: build ROOT against external llvm
wdconinc May 14, 2026
8fdffcb
fix: spack cherry-pick: root: miscellaneous
wdconinc May 14, 2026
2fed3fe
fix: rm duplicate cherry-pick
wdconinc May 15, 2026
4cd8640
fix: apt-get install libllvm${CLANG}-dev
wdconinc May 16, 2026
ee5f1f1
fix: libllvm-dev => llvm-dev
wdconinc May 16, 2026
9ed99e0
fix: apt-get install libedit-dev
wdconinc May 18, 2026
7e5e143
fix: use eic-spack with cling CMake fix for external LLVM
wdconinc May 23, 2026
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2 changes: 1 addition & 1 deletion containers/debian/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ fi
# Install packages
apt-get -yqq update
apt-get -yqq install cpp${GCC} gcc${GCC} g++${GCC} gfortran${GCC}
apt-get -yqq install clang${CLANG} clang-tidy${CLANG} clang-format${CLANG} libclang${CLANG}-dev libc++${CLANG}-dev
apt-get -yqq install clang${CLANG} clang-tidy${CLANG} clang-format${CLANG} libclang${CLANG}-dev libc++${CLANG}-dev libedit-dev llvm${CLANG}-dev
apt-get -yqq autoremove
# Remove symlinks loop in nvidia/cuda:12.5.1-devel-ubuntu24.04
rm -f /usr/bin/cpp /etc/alternatives/cpp
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2 changes: 1 addition & 1 deletion eic-spack.sh
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Expand Up @@ -5,4 +5,4 @@ EICSPACK_ORGREPO="eic/eic-spack"

## EIC spack commit hash or github version, e.g. v0.19.7
## note: nightly builds could use a branch e.g. releases/v0.19
EICSPACK_VERSION="8ee145fad9aa0b0f24751c91716827b859b8c2d1"
EICSPACK_VERSION="e95447a59f560fedd6c6a2a91804a7ec925e50dc"
2 changes: 1 addition & 1 deletion spack-environment/packages.yaml
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Expand Up @@ -611,7 +611,7 @@ packages:
root:
require:
- '@6.38.04'
- cxxstd=20 +fftw +fortran +gdml +http -ipo +mlp +python +root7 +tmva +tmva-sofie +x +xrootd +ssl
- cxxstd=20 ~builtin_llvm +fftw +fortran +gdml +http -ipo +mlp +python +root7 +tmva +tmva-sofie +x +xrootd +ssl
- any_of: [+opengl +webgui, -opengl -webgui]
sherpa:
require:
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8 changes: 8 additions & 0 deletions spack-packages.sh
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Expand Up @@ -38,6 +38,10 @@ a77a7ed0d2630466cac71165026387b1381b058a
88800eeac4ee97b7689b0a84d066e4f634f32b46
d8271eec35998674d3c67c7613b010fa98519df3
86e2acd247221d45f9944ac2f69518b8766baec3
30e69adca31b9ba98e61c42b4126188911e3537c
93acd58e1399d787dac69d61ecbbd1695c8a2bac
ad4b252d254d49db587abd6fd06c375c71d27a01
8cd9959e3fd4e54d79bbf75210e335ab842e1af0
---
## Optional hash table with comma-separated file list
## For these commits, the cherry-pick will be restricted to the listed files only.
Expand Down Expand Up @@ -73,3 +77,7 @@ read -r -d '' SPACKPACKAGES_CHERRYPICKS_FILES <<- \
## 88800eeac4ee97b7689b0a84d066e4f634f32b46: py-boto3: add v1.42.85 and py-botocore: add v1.42.85
## d8271eec35998674d3c67c7613b010fa98519df3: py-setuptools-scm: Earlier versions require setuptools-scm too
## 86e2acd247221d45f9944ac2f69518b8766baec3: py-boto3: add v1.43.17, updated dependencies
## 30e69adca31b9ba98e61c42b4126188911e3537c: root: cleanup recipe since the minimum version is 6.28.00
## 93acd58e1399d787dac69d61ecbbd1695c8a2bac: Miscellaneous package fixes
## ad4b252d254d49db587abd6fd06c375c71d27a01: root: add v6.36.12
## 8cd9959e3fd4e54d79bbf75210e335ab842e1af0: root: add builtin_llvm variant to allow external LLVM
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