* configure.in, win32/Makefile.sub (EXECUTABLE_EXTS): moved from

  dln.c:dln_find_1().

* lib/mkmf.rb (def find_executable0): use EXECUTABLE_EXTS, not
  only EXEEXT.  [ruby-core:26821]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 7635b4b7a3..895bca0bee 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -1123,10 +1123,12 @@ end
 # Internal use only.
 #
 def find_executable0(bin, path = nil)
-  ext = config_string('EXEEXT')
+  exts = config_string('EXECUTABLE_EXTS') {|s| s.split} || config_string('EXEEXT') {|s| [s]}
   if File.expand_path(bin) == bin
     return bin if File.executable?(bin)
-    ext and File.executable?(file = bin + ext) and return file
+    if exts
+      exts.each {|ext| File.executable?(file = bin + ext) and return file}
+    end
     return nil
   end
   if path ||= ENV['PATH']
@@ -1137,7 +1139,9 @@ def find_executable0(bin, path = nil)
   file = nil
   path.each do |dir|
     return file if File.executable?(file = File.join(dir, bin))
-    return file if ext and File.executable?(file << ext)
+    if exts
+      exts.each {|ext| File.executable?(ext = file + ext) and return ext}
+    end
   end
   nil
 end