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Detect clang vs gcc #3

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Detect clang vs gcc #3

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9a88690
macOS: avoid -lm on darwin
jonringer Feb 23, 2026
ad8eb41
Detect clang vs gcc
jonringer Feb 23, 2026
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34 changes: 14 additions & 20 deletions build_config.rb
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Original file line number Diff line number Diff line change
@@ -1,12 +1,18 @@
MRuby::Build.new do |conf|
# load specific toolchain settings

# Gets set by the VS command prompts.
def detect_toolchain
if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
toolchain :visualcpp
:visualcpp
else
toolchain :gcc
cc = ENV['CC'] || 'cc'
if `#{cc} --version 2>&1` =~ /clang/i
:clang
else
:gcc
end
end
end

MRuby::Build.new do |conf|
toolchain detect_toolchain

enable_debug

Expand Down Expand Up @@ -85,14 +91,7 @@
end

MRuby::Build.new('host-debug') do |conf|
# load specific toolchain settings

# Gets set by the VS command prompts.
if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
toolchain :visualcpp
else
toolchain :gcc
end
toolchain detect_toolchain

enable_debug

Expand All @@ -110,12 +109,7 @@
end

MRuby::Build.new('test') do |conf|
# Gets set by the VS command prompts.
if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
toolchain :visualcpp
else
toolchain :gcc
end
toolchain detect_toolchain

enable_debug
conf.enable_bintest
Expand Down
2 changes: 1 addition & 1 deletion tasks/toolchains/gcc.rake
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Expand Up @@ -24,7 +24,7 @@ MRuby::Toolchain.new(:gcc) do |conf, _params|
conf.linker do |linker|
linker.command = ENV['LD'] || 'gcc'
linker.flags = [ENV['LDFLAGS'] || %w()]
linker.libraries = %w(m)
linker.libraries = RUBY_PLATFORM =~ /darwin/ ? %w() : %w(m)
linker.library_paths = []
linker.option_library = '-l%s'
linker.option_library_path = '-L%s'
Expand Down