ruby / ruby/ruby.wasm

Error compiling BigDecimal extension

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Description

with this gem file:

source 'https://rubygems.org'

gem 'js', '~> 2.5'
gem 'ruby_wasm', '~> 2.5'
gem 'prawn', '~> 2.5'

fails with this error:

bundle exec rbwasm build -o app.wasm INFO: Using Gemfile: /Users/marcosbellucci/code/prawn_box_2/app/Gemfile ==> RubyWasm::BuildSource(3.3) -- Building ==> RubyWasm::BuildSource(3.3) -- done in 0.0s ==> RubyWasm::BaseRubyProduct(baseruby-3.3) -- Building ==> RubyWasm::BaseRubyProduct(baseruby-3.3) -- done in 0.0s ==> RubyWasm::LibYAMLProduct(libyaml-0.2.5-wasm32-unknown-wasip1) -- Building ==> RubyWasm::LibYAMLProduct(libyaml-0.2.5-wasm32-unknown-wasip1) -- done in 0.0s ==> RubyWasm::ZlibProduct(zlib-1.3.1-wasm32-unknown-wasip1) -- Building ==> RubyWasm::ZlibProduct(zlib-1.3.1-wasm32-unknown-wasip1) -- done in 0.0s ==> RubyWasm::OpenSSLProduct(openssl-3.2.0-wasm32-unknown-wasip1) -- Building ==> RubyWasm::OpenSSLProduct(openssl-3.2.0-wasm32-unknown-wasip1) -- done in 0.0s ==> RubyWasm::WasiVfsProduct(wasi-vfs-0.5.0-arm64-apple-darwin23) -- Building ==> RubyWasm::WasiVfsProduct(wasi-vfs-0.5.0-arm64-apple-darwin23) -- done in 0.0s ==> RubyWasm::CrossRubyProduct(ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad) -- Configuring ==> make rbconfig.rb file2lastrev.rb: does not seem to be under a vcs: . ==> RubyWasm::CrossRubyProduct(ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad) -- done in 0.11s ==> RubyWasm::CrossRubyExtProduct(bigdecimal-3.1.8/ext/bigdecimal) -- Building ==> env RUBYOPT= /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/bin/ruby -C /Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal --disable\=gems -e \$top_srcdir\=\"/Users/marcosbellucci/code/prawn_box_2/app/build/checkouts/3.3\" -e \$extout\=\"/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad/.ext\" -e \$static\ \=\ true\;\ trace_var\(:\$static\)\ \{\|v\|\ \$static\ \=\ true\ \} -e \$0\=\"/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb\" -e require_relative\ \"/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb\" -e require\ \"json\"\;\ File.write\(\"/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal/rbwasm.metadata.json\",\ JSON.dump\(\{target:\ \$target\}\)\) -I/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad -- --disable-component-model *** /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options.

Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include=${opt-dir}/include
--without-opt-include
--with-opt-lib=${opt-dir}/lib
--without-opt-lib
--with-make-prog
--without-make-prog
--srcdir=/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal
--curdir
--ruby=/usr/local/bin/$(RUBY_BASE_NAME)
/Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:480:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.

from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:606:in `block in try_compile'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:555:in `with_werror'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:606:in `try_compile'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:6:in `block in have_builtin_func'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:983:in `block in checking_for'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:344:in `block (2 levels) in postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:314:in `open'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:344:in `block in postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:314:in `open'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:340:in `postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:982:in `checking_for'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:5:in `have_builtin_func'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:18:in `<top (required)>'
from -e:5:in `require_relative'
from -e:5:in `<main>'

checking for __builtin_clz()... ...
*** /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.

Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include=${opt-dir}/include
--without-opt-include
--with-opt-lib=${opt-dir}/lib
--without-opt-lib
--with-make-prog
--without-make-prog
--srcdir=/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal
--curdir
--ruby=/usr/local/bin/$(RUBY_BASE_NAME)
/Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:480:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
You have to install development tools first.

from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:606:in `block in try_compile'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:555:in `with_werror'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:606:in `try_compile'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:6:in `block in have_builtin_func'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:983:in `block in checking_for'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:344:in `block (2 levels) in postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:314:in `open'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:344:in `block in postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:314:in `open'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:340:in `postpone'
from /Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/lib/ruby/3.3.0/mkmf.rb:982:in `checking_for'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:5:in `have_builtin_func'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb:18:in `<top (required)>'
from -e:5:in `require_relative'
from -e:5:in `<main>'

Try running with rake --verbose for more complete output.
bundler: failed to load command: rbwasm (/Users/marcosbellucci/.rbenv/versions/3.3.0/bin/rbwasm)
/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/executor.rb:77:in system': Command failed with status (1): '/Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/bin/ruby' '-C' '/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal' '--disable=gems' '-e' '$top_srcdir="/Users/marcosbellucci/code/prawn_box_2/app/build/checkouts/3.3"' '-e' '$extout="/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad/.ext"' '-e' '$static = true; trace_var(:$static) {|v| $static = true }' '-e' '$0="/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb"' '-e' 'require_relative "/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb"' '-e' 'require "json"; File.write("/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal/rbwasm.metadata.json", JSON.dump({target: $target}))' '-I/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad' '--' '--disable-component-model' (RuntimeError) from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:116:in do_legacy_extconf'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:70:in do_extconf' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:48:in build'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:190:in block in build_exts' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:188:in each'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:188:in build_exts' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/build/product/crossruby.rb:209:in build'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/packager/core.rb:292:in block in build' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler.rb:424:in block in with_unbundled_env'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler.rb:679:in with_env' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler.rb:424:in with_unbundled_env'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/packager/core.rb:64:in with_unbundled_env' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/packager/core.rb:291:in build'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/packager/core.rb:11:in build' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/packager.rb:28:in package'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:352:in do_build' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:171:in block in do_build_with_force_ruby_platform'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/3.3.0/tmpdir.rb:99:in mktmpdir' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:170:in do_build_with_force_ruby_platform'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:137:in block in build' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/settings.rb:157:in temporary'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:136:in build' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/lib/ruby_wasm/cli.rb:34:in run'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/ruby_wasm-2.7.0-arm64-darwin/exe/rbwasm:7:in <top (required)>' from /Users/marcosbellucci/.rbenv/versions/3.3.0/bin/rbwasm:25:in load'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/bin/rbwasm:25:in <top (required)>' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:58:in load'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:58:in kernel_load' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli/exec.rb:23:in run'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli.rb:455:in exec' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/command.rb:28:in run'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/invocation.rb:127:in invoke_command' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor.rb:527:in dispatch'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli.rb:35:in dispatch' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/vendor/thor/lib/thor/base.rb:584:in start'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/cli.rb:29:in start' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/exe/bundle:28:in block in <top (required)>'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/lib/bundler/friendly_errors.rb:117:in with_friendly_errors' from /Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bundler-2.5.11/exe/bundle:20:in <top (required)>'
from /Users/marcosbellucci/.rbenv/versions/3.3.0/bin/bundle:25:in load' from /Users/marcosbellucci/.rbenv/versions/3.3.0/bin/bundle:25:in

'

This is the command that fails:

'/Users/marcosbellucci/code/prawn_box_2/app/build/arm64-apple-darwin23/baseruby-3.3/opt/bin/ruby' '-C' '/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal' '--disable=gems' '-e' '$top_srcdir="/Users/marcosbellucci/code/prawn_box_2/app/build/checkouts/3.3"' '-e' '$extout="/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad/.ext"' '-e' '$static = true; trace_var(:$static) {|v| $static = true }' '-e' '$0="/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb"' '-e' 'require_relative "/Users/marcosbellucci/.rbenv/versions/3.3.0/lib/ruby/gems/3.3.0/gems/bigdecimal-3.1.8/ext/bigdecimal/extconf.rb"' '-e' 'require "json"; File.write("/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad-ext/bigdecimal-3.1.8/ext/bigdecimal/rbwasm.metadata.json", JSON.dump({target: $target}))' '-I/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad' '--' '--disable-component-model'

removing the -I/Users/marcosbellucci/code/prawn_box_2/app/build/wasm32-unknown-wasip1/ruby-3.3-wasm32-unknown-wasip1-full-3f82af526b9cf91fdd37dcda45809fad makes it work.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing bundle exec rbwasm build -o app.wasm with the shown Gemfile and inspect the BigDecimal extconf.rb failure and its mkmf.log. Determine why the BigDecimal extension cannot compile for the wasm target; done means the same build completes successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
ruby, wasm
Domain
build-system
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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