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MAINT: update oldest supported GCC version from 8.4 to 9.3 #28102

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Merged
merged 1 commit into from
Jan 6, 2025
Merged

MAINT: update oldest supported GCC version from 8.4 to 9.3 #28102

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20 changes: 10 additions & 10 deletions 20 .github/workflows/linux_simd.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -85,27 +85,27 @@ jobs:
with:
python-version: '3.11'

- name: Install GCC/8/9
- name: Install GCC9/10
run: |
echo "deb http://archive.ubuntu.com/ubuntu focal main universe" | sudo tee /etc/apt/sources.list.d/focal.list
sudo apt update
sudo apt install -y g++-8 g++-9
sudo apt install -y g++-9 g++-10

- name: Enable gcc-8
- name: Enable gcc-9
run: |
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 1
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 1
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 1
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 1

- uses: ./.github/meson_actions
name: Build/Test against gcc-8
name: Build/Test against gcc-9

- name: Enable gcc-9
- name: Enable gcc-10
run: |
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 2
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 2
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 2
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 2

- uses: ./.github/meson_actions
name: Build/Test against gcc-9
name: Build/Test against gcc-10

specialize:
needs: [baseline_only]
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6 changes: 6 additions & 0 deletions 6 doc/release/upcoming_changes/28101.change.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
The minimum supported GCC version is now 9.3.0
----------------------------------------------
The minimum supported version was updated from 8.4.0 to 9.3.0,
primarily in order to reduce the chance of platform-specific bugs in old GCC
versions from causing issues.

4 changes: 2 additions & 2 deletions 4 meson.build
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Expand Up @@ -24,8 +24,8 @@ cy = meson.get_compiler('cython')

# Check compiler is recent enough (see the SciPy Toolchain Roadmap for details)
if cc.get_id() == 'gcc'
if not cc.version().version_compare('>=8.4')
error('NumPy requires GCC >= 8.4')
if not cc.version().version_compare('>=9.3')
error('NumPy requires GCC >= 9.3')
endif
elif cc.get_id() == 'msvc'
if not cc.version().version_compare('>=19.20')
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