Merge pull request #5271 from shuujii/fix-build-error-in-cross-build-with-presym

Fix build error in cross-build with presym

1 files changed, 3 insertions, 1 deletions

diff --git a/tasks/presym.rake b/tasks/presym.rake
index f3a076ac6..38d36c9e2 100644
--- a/tasks/presym.rake
+++ b/tasks/presym.rake
@@ -1,3 +1,4 @@
+mrbtest = "#{MRuby::Build.install_dir}/mrbtest"
 all_prerequisites = ->(task_name, prereqs) do
   Rake::Task[task_name].prerequisites.each do |prereq_name|
     next if prereqs[prereq_name]
@@ -18,13 +19,14 @@ MRuby.each_target do |build|
 
   prereqs = {}
   pps = []
-  mrbtest = "#{build.class.install_dir}/mrbtest"
+  build_dir = "#{build.build_dir}/"
   mrbc_build_dir = "#{build.mrbc_build.build_dir}/" if build.mrbc_build
   build.products.each do |product|
     all_prerequisites.(product, prereqs) unless product == mrbtest
   end
   prereqs.each_key do |prereq|
     next unless File.extname(prereq) == build.exts.object
+    next unless prereq.start_with?(build_dir)
     next if mrbc_build_dir && prereq.start_with?(mrbc_build_dir)
     pps << prereq.ext(build.exts.preprocessed)
   end