From b8e79f34a29950102bf0db20b025cd4916da2787 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 24 Dec 2008 04:45:34 +0000
Subject: * configure.in (Makefile): removes GNU make specific files on  
 distclean.

* Makefile.in (distclean-ext): removes extension directories.

* lib/mkmf.rb (try_do): removes conftest.dSYM


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 Makefile.in  | 3 ++-
 configure.in | 2 ++
 lib/mkmf.rb  | 6 +++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index ab3d8bf5c6..e3a8fc6955 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -227,7 +227,8 @@ clean-ext distclean-ext realclean-ext::
 	@find ext -name Makefile | sort | while read mk; do \
 	    dir=`dirname "$$mk"`; \
 	    echo $(@:-ext=)ing `expr "$$dir" : 'ext/\(.*\)'`; \
-	    (cd "$$dir"; $(MAKE) $(MFLAGS) $(@:-ext=)); \
+	    (cd "$$dir"; $(MAKE) $(MFLAGS) $(@:-ext=)) && \
+	    test $@ != clean-ext && rmdir -p "$$dir" 2> /dev/null; \
 	done
 
 ext/extinit.$(OBJEXT): ext/extinit.c $(SETUP)
diff --git a/configure.in b/configure.in
index 7547dd94b4..b362f20d00 100644
--- a/configure.in
+++ b/configure.in
@@ -2144,6 +2144,8 @@ AC_CONFIG_FILES(Makefile, [{
 	if test "$gnumake" != yes; then
 	    echo ['$(MKFILES): $(srcdir)/common.mk']
 	    sed ['s/{\$([^(){}]*)[^{}]*}//g'] ${srcdir}/common.mk
+	else
+	    echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk'
 	fi
       } >> confmk$$.tmp && mv -f confmk$$.tmp Makefile],
 [RUBY_INSTALL_NAME=$RUBY_INSTALL_NAME EXEEXT=$EXEEXT gnumake=$gnumake])
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 615b898429..5686f8137b 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -194,6 +194,10 @@ def rm_f(*files)
   FileUtils.rm_f(Dir[*files])
 end
 
+def rm_rf(*files)
+  FileUtils.rm_rf(Dir[*files])
+end
+
 # Returns time stamp of the +target+ file if it exists and is newer
 # than or equal to all of +times+.
 def modified?(target, times)
@@ -361,6 +365,7 @@ MSG
   xsystem(command)
 ensure
   log_src(src)
+  rm_rf 'conftest.dSYM'
 end
 
 def link_command(ldflags, opt="", libpath=$DEFLIBPATH|$LIBPATH)
@@ -1894,7 +1899,6 @@ clean:
 \t\t@-$(RM) $(CLEANLIBS#{sep}) $(CLEANOBJS#{sep}) $(CLEANFILES#{sep})
 
 distclean: clean
-\t\t@-$(RM_RF) conftest.dSYM
 \t\t@-$(RM) Makefile $(RUBY_EXTCONF_H) conftest.* mkmf.log
 \t\t@-$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES#{sep})
 
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