From: nobu.nakada@...
Date: 2001-06-06T22:25:50+09:00
Subject: [ruby-dev:13485] Re: ext/extmk.rb.in

なかだです。

At Wed, 6 Jun 2001 08:00:33 +0900,
Nobuyoshi-Nakada wrote:
>   これをちゃんと解決するには、自分でコマンドラインを解析してパ
> イプラインを作るとか、大事になりそうなのでとりあえず egrep_cpp
> の方を変えてみました。

  $DEBUG のときと、ログの出力がヘンでした。


Index: ext/extmk.rb.in
===================================================================
RCS file: /cvs/ruby/src/ruby/ext/extmk.rb.in,v
retrieving revision 1.47
diff -u -2 -p -r1.47 extmk.rb.in
--- ext/extmk.rb.in	2001/06/05 04:54:52	1.47
+++ ext/extmk.rb.in	2001/06/06 10:17:18
@@ -90,4 +90,16 @@ def xsystem command
 end
 
+def xopen command, &block
+  if $DEBUG
+    puts command+" |"
+    return open("|"+command, "r", &block)
+  end
+  $stderr.reopen($log) 
+  $log.puts command+" |"
+  r = open("|"+command, "r", &block)
+  $stderr.reopen($orgerr)
+  return r
+end
+
 def try_link0(src, opt="")
   cfile = open("conftest.c", "w")
@@ -132,6 +144,15 @@ def egrep_cpp(pat, src, opt="")
   cfile.print src
   cfile.close
+  if Regexp === pat
+    src = pat.source
+  else
+    pat = Regexp.new(src = pat)
+  end
   begin
-    xsystem(format(CPP+"|egrep #{pat}", $CFLAGS, $CPPFLAGS, opt))
+    xopen(format(CPP, $CFLAGS, $CPPFLAGS, opt)) do |f|
+      ($DEBUG ? $stdout : $log).puts "  egrep #{src}"
+      f.grep(pat) {return true}
+    end
+    false
   ensure
     rm_f "conftest*"
Index: ext/etc/extconf.rb
===================================================================
RCS file: /cvs/ruby/src/ruby/ext/etc/extconf.rb,v
retrieving revision 1.3
diff -u -2 -p -r1.3 extconf.rb
--- ext/etc/extconf.rb	2001/06/05 04:42:46	1.3
+++ ext/etc/extconf.rb	2001/06/06 09:49:06
@@ -12,10 +12,10 @@ b = have_func("getpwent")
 c = have_func("getgrent")
 if  a or b or c
-  etc_grep_header("pw_gecos")
+  etc_grep_header("pw_gecos") unless /mingw/ === RUBY_PLATFORM
   etc_grep_header("pw_change")
   etc_grep_header("pw_quota")
   etc_grep_header("pw_age")
   etc_grep_header("pw_class")
-  etc_grep_header("pw_comment") unless /cygwin/ === RUBY_PLATFORM
+  etc_grep_header("pw_comment") unless /cygwin|mingw/ === RUBY_PLATFORM
   etc_grep_header("pw_expire")
   create_makefile("etc")
Index: lib/mkmf.rb
===================================================================
RCS file: /cvs/ruby/src/ruby/lib/mkmf.rb,v
retrieving revision 1.54
diff -u -2 -p -r1.54 mkmf.rb
--- lib/mkmf.rb	2001/06/05 04:54:52	1.54
+++ lib/mkmf.rb	2001/06/06 10:16:28
@@ -71,4 +71,16 @@ def xsystem command
 end
 
+def xopen command, &block
+  if $DEBUG
+    puts command+" |"
+    return open("|"+command, "r", &block)
+  end
+  $stderr.reopen($log) 
+  $log.puts command+" |"
+  r = open("|"+command, "r", &block)
+  $stderr.reopen($orgerr)
+  return r
+end
+
 def try_link0(src, opt="")
   cfile = open("conftest.c", "w")
@@ -113,6 +125,15 @@ def egrep_cpp(pat, src, opt="")
   cfile.print src
   cfile.close
+  if Regexp === pat
+    src = pat.source
+  else
+    pat = Regexp.new(src = pat)
+  end
   begin
-    xsystem(format(CPP+"|egrep #{pat}", $CPPFLAGS, $CFLAGS, opt))
+    xopen(format(CPP, $CFLAGS, $CPPFLAGS, opt)) do |f|
+      ($DEBUG ? $stdout : $log).puts "  egrep #{src}"
+      f.grep(pat) {return true}
+    end
+    false
   ensure
     rm_f "conftest*"


-- 
--- 僕の前にBugはない。
--- 僕の後ろにBugはできる。
    中田 伸悦