* 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

ChangeLog

@@ -1,3 +1,11 @@
+Mon Nov 30 16:54:22 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* 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]
+
 Mon Nov 30 11:00:12 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (parser_yylex): suppress an extra error message after

configure.in

@@ -2175,6 +2175,12 @@ fi
 LDFLAGS="-L. $LDFLAGS"
 AC_SUBST(ARCHFILE)
 
+if test "$EXEEXT" = .exe; then
+    EXECUTABLE_EXTS='".exe",".com",".cmd",".bat"'
+    AC_DEFINE_UNQUOTED(EXECUTABLE_EXTS, $EXECUTABLE_EXTS)
+    AC_SUBST(EXECUTABLE_EXTS)
+fi
+
 dnl }
 dnl build section {
 

dln.c

@@ -1552,7 +1552,7 @@ dln_find_1(const char *fname, const char *path, char *fbuf, size_t size,
     size_t i, fspace;
 #ifdef DOSISH
     static const char extension[][5] = {
-	".exe", ".com", ".cmd", ".bat",
+	EXECUTABLE_EXTS,
     };
     size_t j;
     int is_abs = 0, has_path = 0;

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

win32/Makefile.sub

@@ -242,6 +242,7 @@ LIBRUBY_LDSHARED = $(LDSHARED)
 LIBRUBY_DLDFLAGS = $(EXTLDFLAGS) -implib:dummy.lib -def:$(RUBYDEF)
 
 EXEEXT = .exe
+EXECUTABLE_EXTS = ".exe",".com",".cmd",".bat"
 !if !defined(PROGRAM)
 PROGRAM=$(RUBY_INSTALL_NAME)$(EXEEXT)
 !endif
@@ -563,6 +564,7 @@ $(CONFIG_H): $(MKFILES) $(srcdir)/win32/Makefile.sub $(win_srcdir)/Makefile.sub
 #define DEFAULT_KCODE KCODE_NONE
 #define LOAD_RELATIVE 1
 #define DLEXT ".so"
+#define EXECUTABLE_EXTS $(EXECUTABLE_EXTS)
 #define RUBY_LIB_VERSION_STYLE 3	/* full */
 #define RUBY_LIB_PREFIX "/lib/$(RUBY_BASE_NAME)"
 #define RUBY_LIB RUBY_LIB_PREFIX"/"RUBY_LIB_VERSION
@@ -662,6 +664,7 @@ s,@LIBOBJS@,$(LIBOBJS),;t t
 s,@ALLOCA@,$(ALLOCA),;t t
 s,@DEFAULT_KCODE@,$(DEFAULT_KCODE),;t t
 s,@EXEEXT@,.exe,;t t
+s,@EXECUTABLE_EXTS@,$(EXECUTABLE_EXTS),;t t
 s,@OBJEXT@,$(OBJEXT),;t t
 s,@XCFLAGS@,$(XCFLAGS),;t t
 s,@XLDFLAGS@,$(XLDFLAGS),;t t