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fix(ci): Build Texel 1.08 under cmake 4 by raising the policy floor to 3.5 #421

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Merged
aywrite merged 1 commit into from
Nov 14, 2026
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fix(ci): Build Texel 1.08 under cmake 4 by raising the policy floor to 3.5 #421

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6 changes: 5 additions & 1 deletion scripts/opponent.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -163,10 +163,14 @@ topple_build() {

# Texel, built by its own cmake file from 1.08, the first release to have one.
# Its defaults are a plain x86-64; popcount and the bit scans are asked for
# as in the weiss block. Its tags carry no v, so a pin is 1.08.
# as in the weiss block. Its tags carry no v, so a pin is 1.08. The gtest it
# vendors for its tests asks for cmake 2.8.12, which cmake 4 refuses to
# configure, so the policy floor is raised to the 3.5 cmake 4 will take. An
# older cmake ignores the variable.
REPOSITORY[texel]=https://github.com/peterosterlund2/texel.git
texel_build() {
cmake -S . -B build -DCMAKE_BUILD_TYPE=Release \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DUSE_POPCNT=ON -DUSE_CTZ=ON -DUSE_PREFETCH=ON > /dev/null
cmake --build build -j"$(nproc)" --target texel > /dev/null
echo build/texel
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