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-rw-r--r--lib/mkmf.rb17
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 71f204e5f1..48c6a0f158 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -506,9 +506,21 @@ EOMF
mfile.print "
{$(srcdir)}.c.#{$OBJEXT}:
$(CC) $(CFLAGS) -I$(<D) $(CPPFLAGS) -c $(<:/=\\)
-
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) -I$(<D) $(CPPFLAGS) -c $(<:/=\\)
+
+{$(srcdir)}.cc{}.#{$OBJEXT}:
+ $(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
+.cc.#{$OBJEXT}:
+ $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
+{$(srcdir)}.cpp{}.#{$OBJEXT}:
+ $(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
+.cpp.#{$OBJEXT}:
+ $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
+{$(srcdir)}.cxx{}.#{$OBJEXT}:
+ $(CXX) -I. -I$(<D) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
+.cxx.#{$OBJEXT}:
+ $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(<:/=\\)
"
else
mfile.print "
@@ -516,6 +528,9 @@ EOMF
.c.#{$OBJEXT}:
$(CC) $(CFLAGS) $(CPPFLAGS) -c $(subst /,\\\\,$<)
+
+.cc.#{$OBJEXT} .cpp.#{$OBJEXT} .cxx.#{$OBJEXT} .C.#{$OBJEXT}:
+ $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(subst /,\\\\,$<)
"
end