Autogenerate .gitignore files for tests and examples

This functionality requires build 0.3.4 or later.

23 files changed, 378 insertions, 113 deletions

diff --git a/examples/cxx/hybrid/compositors/makefile b/examples/cxx/hybrid/compositors/makefile
index 2bab6e1..e436db2 100644
--- a/examples/cxx/hybrid/compositors/makefile
+++ b/examples/cxx/hybrid/compositors/makefile
@@ -23,8 +23,8 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.ixx) $(xsd:.xsd=.cxx)
+gen  := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -48,6 +48,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/filter/makefile b/examples/cxx/hybrid/filter/makefile
index 4273a59..92adbb1 100644
--- a/examples/cxx/hybrid/filter/makefile
+++ b/examples/cxx/hybrid/filter/makefile
@@ -30,16 +30,13 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) \
+        $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.cxx) \
+        $(xsd:.xsd=-simpl.hxx) $(xsd:.xsd=-simpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -66,6 +63,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/hello/makefile b/examples/cxx/hybrid/hello/makefile
index b347837..28db77c 100644
--- a/examples/cxx/hybrid/hello/makefile
+++ b/examples/cxx/hybrid/hello/makefile
@@ -28,12 +28,11 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -46,7 +45,6 @@ $(call include-dep,$(dep))
 .PHONY: $(out_base)/
 $(out_base)/: $(driver)
 
-
 # Clean.
 #
 .PHONY: $(clean)
@@ -57,6 +55,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/library/makefile b/examples/cxx/hybrid/library/makefile
index 91f6997..24f8bf1 100644
--- a/examples/cxx/hybrid/library/makefile
+++ b/examples/cxx/hybrid/library/makefile
@@ -30,16 +30,13 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) \
+        $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.cxx) \
+        $(xsd:.xsd=-simpl.hxx) $(xsd:.xsd=-simpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -64,6 +61,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/minimal/makefile b/examples/cxx/hybrid/minimal/makefile
index 3401af6..e61b29a 100644
--- a/examples/cxx/hybrid/minimal/makefile
+++ b/examples/cxx/hybrid/minimal/makefile
@@ -30,16 +30,13 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) \
+        $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.cxx) \
+        $(xsd:.xsd=-simpl.hxx) $(xsd:.xsd=-simpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -64,6 +61,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/multiroot/makefile b/examples/cxx/hybrid/multiroot/makefile
index 1426d38..d4b8cac 100644
--- a/examples/cxx/hybrid/multiroot/makefile
+++ b/examples/cxx/hybrid/multiroot/makefile
@@ -28,12 +28,11 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -58,6 +57,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/streaming/makefile b/examples/cxx/hybrid/streaming/makefile
index 9fbedb3..86818b9 100644
--- a/examples/cxx/hybrid/streaming/makefile
+++ b/examples/cxx/hybrid/streaming/makefile
@@ -30,16 +30,13 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) \
+        $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.cxx) \
+        $(xsd:.xsd=-simpl.hxx) $(xsd:.xsd=-simpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -65,6 +62,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/hybrid/wildcard/makefile b/examples/cxx/hybrid/wildcard/makefile
index 94d2fae..5628406 100644
--- a/examples/cxx/hybrid/wildcard/makefile
+++ b/examples/cxx/hybrid/wildcard/makefile
@@ -30,16 +30,13 @@ $(driver): $(obj) $(xsde.l)
 
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen := $(out_base)/$(xsd:.xsd=.hxx)       \
-       $(out_base)/$(xsd:.xsd=.cxx)       \
-       $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-pskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-pimpl.cxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-       $(out_base)/$(xsd:.xsd=-sskel.cxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.hxx) \
-       $(out_base)/$(xsd:.xsd=-simpl.cxx)
+genf := $(xsd:.xsd=.hxx) $(xsd:.xsd=.cxx) \
+        $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) \
+        $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.cxx) \
+        $(xsd:.xsd=-simpl.hxx) $(xsd:.xsd=-simpl.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): $(out_root)/xsde/xsde
 $(gen): xsde := $(out_root)/xsde/xsde
@@ -66,6 +63,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/generated/makefile b/examples/cxx/parser/generated/makefile
index 8bd0b05..a7fd40a 100644
--- a/examples/cxx/parser/generated/makefile
+++ b/examples/cxx/parser/generated/makefile
@@ -24,12 +24,10 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-gen :=  $(out_base)/$(xsd:.xsd=-pskel.hxx)  \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx)  \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)  \
-        $(out_base)/$(xsd:.xsd=-pimpl.hxx)  \
-	$(out_base)/$(xsd:.xsd=-pimpl.cxx)  \
-	$(out_base)/$(xsd:.xsd=-pdriver.cxx)
+genf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx) \
+        $(xsd:.xsd=-pimpl.hxx) $(xsd:.xsd=-pimpl.cxx) $(xsd:.xsd=-pdriver.cxx)
+
+gen := $(addprefix $(out_base)/,$(genf))
 
 $(gen): xsde := $(out_root)/xsde/xsde
 $(gen): xsde_options += --generate-print-impl --generate-test-driver \
@@ -55,6 +53,19 @@ $(clean): $(driver).o.clean                                  \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pimpl.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(gen): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := $(xsd:.xsd=-pdriver) $(genf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/hello/makefile b/examples/cxx/parser/hello/makefile
index 9067e04..7f39cd3 100644
--- a/examples/cxx/parser/hello/makefile
+++ b/examples/cxx/parser/hello/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): $(out_root)/xsde/xsde
@@ -50,6 +49,19 @@ $(clean): $(driver).o.clean                                 \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/library/makefile b/examples/cxx/parser/library/makefile
index 3df256c..6cf3f2b 100644
--- a/examples/cxx/parser/library/makefile
+++ b/examples/cxx/parser/library/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-inline --type-map $(src_base)/library.map
@@ -58,6 +57,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/minimal/makefile b/examples/cxx/parser/minimal/makefile
index 1f0466c..7a1eb8f 100644
--- a/examples/cxx/parser/minimal/makefile
+++ b/examples/cxx/parser/minimal/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --type-map $(src_base)/people.map
@@ -52,6 +51,19 @@ $(clean): $(driver).o.clean                                 \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/mixed/makefile b/examples/cxx/parser/mixed/makefile
index f41fae3..5fa42f1 100644
--- a/examples/cxx/parser/mixed/makefile
+++ b/examples/cxx/parser/mixed/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --type-map $(src_base)/text.map
@@ -52,6 +51,19 @@ $(clean): $(driver).o.clean                            \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/multiroot/makefile b/examples/cxx/parser/multiroot/makefile
index 44e8980..92c53b6 100644
--- a/examples/cxx/parser/multiroot/makefile
+++ b/examples/cxx/parser/multiroot/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --type-map $(src_base)/protocol.map
@@ -57,6 +56,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/polymorphism/makefile b/examples/cxx/parser/polymorphism/makefile
index c096e5a..a8f5167 100644
--- a/examples/cxx/parser/polymorphism/makefile
+++ b/examples/cxx/parser/polymorphism/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-polymorphic
@@ -57,6 +56,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/polyroot/makefile b/examples/cxx/parser/polyroot/makefile
index 0f4d6eb..2a72c3a 100644
--- a/examples/cxx/parser/polyroot/makefile
+++ b/examples/cxx/parser/polyroot/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-polymorphic
@@ -57,6 +56,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/parser/wildcard/makefile b/examples/cxx/parser/wildcard/makefile
index 8613847..c07b11b 100644
--- a/examples/cxx/parser/wildcard/makefile
+++ b/examples/cxx/parser/wildcard/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-pskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-pskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-pskel.cxx)
+skelf := $(xsd:.xsd=-pskel.hxx) $(xsd:.xsd=-pskel.ixx) $(xsd:.xsd=-pskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): $(out_root)/xsde/xsde
@@ -50,6 +49,19 @@ $(clean): $(driver).o.clean                                 \
   $(addprefix $(out_base)/,$(xsd:.xsd=-pskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/hello/makefile b/examples/cxx/serializer/hello/makefile
index c2721bb..77e9ad8 100644
--- a/examples/cxx/serializer/hello/makefile
+++ b/examples/cxx/serializer/hello/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): $(out_root)/xsde/xsde
@@ -50,6 +49,19 @@ $(clean): $(driver).o.clean                                 \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/library/makefile b/examples/cxx/serializer/library/makefile
index ba58e96..e44c671 100644
--- a/examples/cxx/serializer/library/makefile
+++ b/examples/cxx/serializer/library/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-inline --type-map $(src_base)/library.map
@@ -58,6 +57,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/minimal/makefile b/examples/cxx/serializer/minimal/makefile
index 3337728..4bd42a1 100644
--- a/examples/cxx/serializer/minimal/makefile
+++ b/examples/cxx/serializer/minimal/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --type-map $(src_base)/people.map
@@ -52,6 +51,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/polymorphism/makefile b/examples/cxx/serializer/polymorphism/makefile
index 1841794..24845cb 100644
--- a/examples/cxx/serializer/polymorphism/makefile
+++ b/examples/cxx/serializer/polymorphism/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-polymorphic \
@@ -59,6 +58,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/polyroot/makefile b/examples/cxx/serializer/polyroot/makefile
index 9427b4a..afa52b5 100644
--- a/examples/cxx/serializer/polyroot/makefile
+++ b/examples/cxx/serializer/polyroot/makefile
@@ -31,9 +31,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --generate-polymorphic \
@@ -59,6 +58,19 @@ $(clean): $(driver).o.clean                                \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)
diff --git a/examples/cxx/serializer/wildcard/makefile b/examples/cxx/serializer/wildcard/makefile
index a6f881b..e2b43a6 100644
--- a/examples/cxx/serializer/wildcard/makefile
+++ b/examples/cxx/serializer/wildcard/makefile
@@ -25,9 +25,8 @@ $(driver): $(obj) $(xsde.l)
 $(obj) $(dep): cpp_options := -I$(out_base) -I$(src_base)
 $(obj) $(dep): $(xsde.l.cpp-options)
 
-skel := $(out_base)/$(xsd:.xsd=-sskel.hxx) \
-        $(out_base)/$(xsd:.xsd=-sskel.ixx) \
-        $(out_base)/$(xsd:.xsd=-sskel.cxx)
+skelf := $(xsd:.xsd=-sskel.hxx) $(xsd:.xsd=-sskel.ixx) $(xsd:.xsd=-sskel.cxx)
+skel  := $(addprefix $(out_base)/,$(skelf))
 
 $(skel): xsde := $(out_root)/xsde/xsde
 $(skel): xsde_options += --type-map $(src_base)/email.map
@@ -52,6 +51,19 @@ $(clean): $(driver).o.clean                                 \
   $(addprefix $(out_base)/,$(xsd:.xsd=-sskel.cxx.xsd.clean))
 
 
+# Generated .gitignore.
+#
+ifeq ($(out_base),$(src_base))
+$(skel): | $(out_base)/.gitignore
+$(driver): | $(out_base)/.gitignore
+
+$(out_base)/.gitignore: files := driver $(skelf)
+$(clean): $(out_base)/.gitignore.clean
+
+$(call include,$(bld_root)/git/gitignore.make)
+endif
+
+
 # How to.
 #
 $(call include,$(bld_root)/cxx/o-e.make)