enums: don't use comments in generated enum recipes

Works in bash, but apparently not portable.

app/config/Makefile.am

@@ -147,13 +147,14 @@ xgen-cec: $(srcdir)/config-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/config-enums.c: xgen-cec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/core/Makefile.am

@@ -462,13 +462,14 @@ xgen-cec: $(srcdir)/core-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/core-enums.c: xgen-cec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/display/Makefile.am

@@ -190,13 +190,14 @@ xgen-dec: $(srcdir)/display-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/display-enums.c: xgen-dec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/gegl/Makefile.am

@@ -64,13 +64,14 @@ xgen-ggec: $(srcdir)/gimp-gegl-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/gimp-gegl-enums.c: xgen-ggec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/operations/Makefile.am

@@ -123,13 +123,14 @@ xgen-oec: $(srcdir)/operations-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/operations-enums.c: xgen-oec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/paint/Makefile.am

@@ -110,13 +110,14 @@ xgen-pec: $(srcdir)/paint-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/paint-enums.c: xgen-pec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/plug-in/Makefile.am

@@ -93,13 +93,14 @@ xgen-pec: $(srcdir)/plug-in-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/plug-in-enums.c: xgen-pec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/text/Makefile.am

@@ -69,13 +69,14 @@ xgen-tec: $(srcdir)/text-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/text-enums.c: xgen-tec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/tools/Makefile.am

@@ -246,13 +246,14 @@ xgen-tec: $(srcdir)/tools-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/tools-enums.c: xgen-tec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

app/widgets/Makefile.am

@@ -474,13 +474,14 @@ xgen-wec: $(srcdir)/widgets-enums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/widgets-enums.c: xgen-wec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

libgimpbase/Makefile.am

@@ -213,13 +213,14 @@ xgen-bec: $(srcdir)/gimpbaseenums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/gimpbaseenums.c: xgen-bec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi
@@ -236,13 +237,14 @@ xgen-cec: $(srcdir)/gimpcompatenums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/gimpcompatenums.c: xgen-cec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

libgimpconfig/Makefile.am

@@ -150,13 +150,14 @@ xgen-cec: $(srcdir)/gimpconfigenums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/gimpconfigenums.c: xgen-cec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi

libgimpwidgets/Makefile.am

@@ -319,13 +319,14 @@ xgen-wec: $(srcdir)/gimpwidgetsenums.h $(GIMP_MKENUMS) Makefile.am
 		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
 		$< > $@
 
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
 $(srcdir)/gimpwidgetsenums.c: xgen-wec
 	$(AM_V_GEN) if ! cmp -s $< $@; then \
 		cp $< $@; \
 	else \
-		# if the file hasn't changed, only update its timestamp, so that \
-		# the receipe doesn't get executed again next time, but allow this \
-		# to fail (e.g., when using a read-only source directory). \
 		touch $@ 2> /dev/null \
 		|| true; \
 	fi