It is now possible to link header files instead of copying.

[omk.git] / snippets / include

diff --git a/snippets/include b/snippets/include
index 4f4a854ec33fd8db6c823dca28615bdaa917f4a8..5fab4ad69d4fb668c6d75cb20625c6b76b63638f 100644 (file)
--- a/snippets/include
+++ b/snippets/include
@@ -1,19 +1,32 @@
+# LN_HEADERS       .. if defined, header files are symbolicaly linked instead of copied.
+ifeq ($(OMK_VERBOSE),1)
+CPHEADER_FLAGS += -v
+LNHEADER_FLAGS += -v
+endif
+
+ifndef LN_HEADERS
+define cp_cmd
+cp $(CPHEADER_FLAGS) $(1) $(2)
+endef
+else
+define cp_cmd
+ln -sf $(LNHEADER_FLAGS) $(1) $(2)
+endef
+endif
 
 # TODO: Check modification date of changed header files. If it is
 # newer that in source dir, show a warning.
 
-# TODO: Optionaly link the files instead of copying
-
 # Syntax: $(call include-pass-template,<include dir>,<keyword>)
 define include-pass-template
        @$(foreach f, $($(2)_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(1)/$(notdir $(f)) \
-          || cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(1)/$(notdir $(f)) || exit 1 ; )
+          || $(call cp_cmd,$(SOURCES_DIR)/$(f),$(1)/$(notdir $(f))) || exit 1 ; )
        @$(foreach f, $(nobase_$(2)_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(1)/$(f) \
-          || ( mkdir -p $(1)/$(dir $(f)) && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(1)/$(f) ) || exit 1 ; )
+          || ( mkdir -p $(1)/$(dir $(f)) && $(call cp_cmd,$(SOURCES_DIR)/$(f),$(1)/$(f)) ) || exit 1 ; )
        @$(foreach f, $(renamed_$(2)_HEADERS), \
           srcfname=`echo '$(f)' | sed -e 's/^\(.*\)->.*$$/\1/'` ; destfname=`echo '$(f)' | sed -e 's/^.*->\(.*\)$$/\1/'` ; \
           cmp --quiet $(SOURCES_DIR)/$${srcfname} $(1)/$${destfname} \
-          || ( mkdir -p `dirname $(1)/$${destfname}` && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$${srcfname} $(1)/$${destfname} ) || exit 1 ; )
+          || ( mkdir -p `dirname $(1)/$${destfname}` && $(call cp_cmd $(SOURCES_DIR)/$${srcfname},$(1)/$${destfname}) ) || exit 1 ; )
 endef
 
 # Local Variables: