From dbbfbc5a21dec443bd0234f89d739129cff4d0a5 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Apr 2005 21:45:43 +0000
Subject: * configure.in, lib/mkmf.rb, {bcc32,win32,wince}/Makefile.sub:
 improve   C++ support.  [ruby-dev:26089]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8371 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog          |  5 ++++-
 bcc32/Makefile.sub |  5 +++++
 configure.in       | 18 ++++++++++++++++++
 lib/mkmf.rb        |  8 +++++++-
 win32/Makefile.sub |  5 +++++
 wince/Makefile.sub |  5 +++++
 6 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9761b718e8..adce8b8807 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,11 @@
-Thu Apr 21 06:44:10 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Thu Apr 21 06:45:28 2005  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ruby.c (ruby_incpush_expand, proc_options): expand relative path
 	  given with -I option.  [ruby-dev:26090]
 
+	* configure.in, lib/mkmf.rb, {bcc32,win32,wince}/Makefile.sub: improve
+	  C++ support.  [ruby-dev:26089]
+
 Thu Apr 21 01:53:09 2005  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/net/http.rb: add rdoc.
diff --git a/bcc32/Makefile.sub b/bcc32/Makefile.sub
index 17db6937e8..2005c2626a 100644
--- a/bcc32/Makefile.sub
+++ b/bcc32/Makefile.sub
@@ -120,6 +120,9 @@ CFLAGS = -q -tWR -tWC $(DEBUGFLAGS) $(OPTFLAGS) $(PROCESSOR_FLAG) -w- -wsus -wcp
 !ifndef CPPFLAGS
 CPPFLAGS = -I. -I$(srcdir) -I$(srcdir)missing
 !endif
+!ifndef CXXFLAGS
+CXXFLAGS = $(CFLAGS)
+!endif
 !ifndef LDFLAGS
 LDFLAGS = -S:$(STACK)
 !endif
@@ -326,6 +329,8 @@ s,@target_vendor@,pc,;t t
 s,@target_os@,$(OS),;t t
 s,@CC@,$(CC),;t t
 s,@CPP@,cpp32,;t t
+s,@CXX@,$$(CC),;t t
+s,@LD@,$(LD),;t t
 s,@YACC@,$(YACC),;t t
 s,@RANLIB@,,;t t
 s,@AR@,$(AR),;t t
diff --git a/configure.in b/configure.in
index be313d5989..2abe9454e3 100644
--- a/configure.in
+++ b/configure.in
@@ -147,6 +147,7 @@ if test x"${build}" != x"${host}"; then
   AC_CHECK_TOOL(CC, gcc)
 fi
 AC_PROG_CC
+AC_PROG_CXX
 AC_PROG_GCC_TRADITIONAL
 
 RUBY_PROG_GNU_LD
@@ -800,6 +801,7 @@ AC_SUBST(ARCH_FLAG)dnl
 AC_SUBST(STATIC)dnl
 AC_SUBST(CCDLFLAGS)dnl
 AC_SUBST(LDSHARED)dnl
+AC_SUBST(LDSHAREDXX)dnl
 AC_SUBST(DLEXT)dnl
 AC_SUBST(DLEXT2)dnl
 AC_SUBST(LIBEXT)dnl
@@ -951,6 +953,22 @@ if test "$with_dln_a_out" != yes; then
     RPATHFLAG=" -Wl,-R'%1\$-s'"
   fi
 fi
+if test "${LDSHAREDXX}" = ""; then
+    case "${LDSHARED}" in
+	*'$(CC)'*)
+	    LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\$(CC)/$(CXX)/'`
+	    ;;
+	*'${CC}'*)
+	    LDSHAREDXX=`echo "${LDSHARED}" | sed 's/\${CC}/${CXX}/'`
+	    ;;
+	*$CC*)
+	    LDSHAREDXX=`echo "${LDSHARED}" | sed "s|$CC|$CXX|"`
+	    ;;
+	ld" "*)
+	    ;;
+    esac
+fi
+
 AC_SUBST(LINK_SO)
 AC_SUBST(LIBPATHFLAG)
 AC_SUBST(RPATHFLAG)
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 3476dcdf48..86c01393e3 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -867,6 +867,7 @@ VPATH = #{vpath.join(CONFIG['PATH_SEPARATOR'])}
   end
   mk << %{
 CC = #{CONFIG['CC']}
+CXX = #{CONFIG['CXX']}
 LIBRUBY = #{CONFIG['LIBRUBY']}
 LIBRUBY_A = #{CONFIG['LIBRUBY_A']}
 LIBRUBYARG_SHARED = #$LIBRUBYARG_SHARED
@@ -877,6 +878,7 @@ CPPFLAGS = -I. -I$(topdir) -I$(hdrdir) -I$(srcdir) #{$defs.join(" ")} #{$CPPFLAG
 CXXFLAGS = $(CFLAGS) #{CONFIG['CXXFLAGS']}
 DLDFLAGS = #$LDFLAGS #$DLDFLAGS #$ARCH_FLAG
 LDSHARED = #{CONFIG['LDSHARED']}
+LDSHAREDXX = #{config_string('LDSHAREDXX') || '$(LDSHARED)'}
 AR = #{CONFIG['AR']}
 EXEEXT = #{CONFIG['EXEEXT']}
 
@@ -1086,7 +1088,11 @@ site-install-rb: install-rb
   mfile.print "$(DLLIB): ", (makedef ? "$(DEFFILE) " : ""), "$(OBJS)\n\t"
   mfile.print "@-$(RM) $@\n\t"
   mfile.print "@-$(MAKEDIRS) $(@D)\n\t" if $extout
-  mfile.print LINK_SO, "\n\n"
+  link_so = LINK_SO
+  if srcs.any?(&%r"\.(?:#{CXX_EXT.join('|')})\z".method(:===))
+    link_so = link_so.sub(/\bLDSHARED\b/, '\&XX')
+  end
+  mfile.print link_so, "\n\n"
   unless $static.nil?
     mfile.print "$(STATIC_LIB): $(OBJS)\n\t"
     mfile.print "$(AR) #{config_string('ARFLAGS') || 'cru '}$@ $(OBJS)"
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index f29eb57830..fcebd80a85 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -116,6 +116,9 @@ CFLAGS = -MD $(DEBUGFLAGS) $(OPTFLAGS) $(PROCESSOR_FLAG)
 !if !defined(CPPFLAGS)
 CPPFLAGS = -I. -I$(srcdir) -I$(srcdir)/missing
 !endif
+!if !defined(CXXFLAGS)
+CXXFLAGS = $(CFLAGS)
+!endif
 !if !defined(LDFLAGS)
 LDFLAGS = -link -incremental:no -debug -opt:ref -opt:icf
 !endif
@@ -341,6 +344,8 @@ s,@target_vendor@,pc,;t t
 s,@target_os@,$(OS),;t t
 s,@CC@,$(CC),;t t
 s,@CPP@,$(CPP),;t t
+s,@CXX@,$$(CC),;t t
+s,@LD@,$$(CC),;t t
 s,@YACC@,$(YACC),;t t
 s,@RANLIB@,,;t t
 s,@AR@,$(AR),;t t
diff --git a/wince/Makefile.sub b/wince/Makefile.sub
index 77a47ff8f0..e1d7de68f7 100644
--- a/wince/Makefile.sub
+++ b/wince/Makefile.sub
@@ -114,6 +114,9 @@ CPPFLAGS = -I. -I$(srcdir) -I$(srcdir)/missing -I$(srcdir)/wince \
            -DFILENAME_MAX=MAX_PATH -DTLS_OUT_OF_INDEXES=0xFFFFFFFF \
            -DBUFSIZ=512 -D_UNICODE -DUNICODE
 !endif
+!if !defined(CXXFLAGS)
+CXXFLAGS = $(CFLAGS)
+!endif
 !if !defined(LDFLAGS)
 LDFLAGS = -link -incremental:yes -pdb:none -machine:$(MACHINE) -subsystem:$(SUBSYSTEM)
 !endif
@@ -349,6 +352,8 @@ s,@target_vendor@,pc,;t t
 s,@target_os@,$(OS),;t t
 s,@CC@,$(CC),;t t
 s,@CPP@,$(CPP),;t t
+s,@CXX@,$$(CC),;t t
+s,@LD@,$$(CC),;t t
 s,@YACC@,$(YACC),;t t
 s,@RANLIB@,,;t t
 s,@AR@,$(AR),;t t
-- 
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