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Support CRuby 3.1 and older on ubuntu-26.04 #31

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Support CRuby 3.1 and older on ubuntu-26.04 #31

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623476e
Set CC for Ruby < 3.2 on ubuntu-26.04
hsbt Oct 31, 2026
eaaf2fe
Add ubuntu-26.04 builds of CRuby 1.9.3 to 3.1.7
hsbt Oct 31, 2026
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18 changes: 16 additions & 2 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,8 @@ jobs:
strategy:
fail-fast: false
matrix:
os: [ ubuntu-22.04, ubuntu-24.04, ubuntu-26.04, ubuntu-22.04-arm, ubuntu-24.04-arm, ubuntu-26.04-arm, macos-15-intel, macos-14 ]
ruby: [ruby-3.3.13, ruby-3.4.12, ruby-4.0.9]
os: [ ubuntu-26.04, ubuntu-26.04-arm ]
ruby: [ ruby-1.9.3-p551, ruby-2.0.0-p648, ruby-2.1.9, ruby-2.2.10, ruby-2.3.8, ruby-2.4.10, ruby-2.5.9, ruby-2.6.10, ruby-2.7.8, ruby-3.0.7, ruby-3.1.7 ]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v6
Expand Down Expand Up @@ -83,6 +83,20 @@ jobs:
run: echo "warnflags=-Wno-error=implicit-function-declaration" >> $GITHUB_ENV
if: startsWith(steps.ruby.outputs.ruby, 'ruby-1.9') || startsWith(steps.ruby.outputs.ruby, 'ruby-2.0') || startsWith(steps.ruby.outputs.ruby, 'ruby-2.1') || startsWith(steps.ruby.outputs.ruby, 'ruby-2.2') || steps.ruby.outputs.ruby == 'ruby-2.6.7'

# GCC 15 on ubuntu-26.04 defaults to C23, where `()` means `(void)`, and since GCC 14 implicit declarations are errors
# The flags go on CC because CFLAGS would replace Ruby's default optflags, and 2.6 checks its MJIT header with a bare $(CC)
- name: Set CC for Ruby < 3.2 on ubuntu-26.04
run: |
case "${{ steps.ruby.outputs.ruby }}" in
ruby-1.9.*)
# _FORTIFY_SOURCE=3 aborts miniruby, and ext/bigdecimal races under parallel make
echo "CC=gcc -std=gnu17 -fpermissive -U_FORTIFY_SOURCE" >> $GITHUB_ENV
echo "MAKE_OPTS=-j1" >> $GITHUB_ENV ;;
ruby-2.[012].*) echo "CC=gcc -std=gnu17 -fpermissive" >> $GITHUB_ENV ;;
ruby-2.*|ruby-3.[01].*) echo "CC=gcc -std=gnu17" >> $GITHUB_ENV ;;
esac
if: startsWith(matrix.os, 'ubuntu-26.04')

- name: Set RUBY_CONFIGURE_OPTS
run: echo 'RUBY_CONFIGURE_OPTS=--enable-shared --disable-install-doc' >> $GITHUB_ENV
# https://github.com/rbenv/ruby-build/discussions/1961#discussioncomment-4031745
Expand Down