Update wvtool

[omk.git] / snippets / include.omk

diff --git a/snippets/include.omk b/snippets/include.omk
index ea39b1b0078025e2f7b150338c491409f7750e67..edc1e4ec7c6ec224498ea2f132f139ef29f8a483 100644 (file)
--- a/snippets/include.omk
+++ b/snippets/include.omk
@@ -6,11 +6,18 @@ endif
 
 ifneq ($(LN_HEADERS),y)
 define cp_cmd
-echo "  CP      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; install -C -D $(CPHEADER_FLAGS) $(1) $(2) || exit 1
+if ! cmp -s $(1) $(2); then \
+    echo "  CP      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; \
+    install -d $(CPHEADER_FLAGS) `dirname $(2)` && \
+    install $(CPHEADER_FLAGS) $(1) $(2) || exit 1; \
+fi
 endef
 else
 define cp_cmd
-echo "  LN      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; if [ -f $(1) ]; then ln -sf $(LNHEADER_FLAGS) $(1) $(2) || exit 1; else exit 1; fi
+if ! cmp -s $(1) $(2); then \
+    echo "  LN      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; \
+    if [ -f $(1) ]; then d=$(2); mkdir -p $${d%/*} && ln -sf $(LNHEADER_FLAGS) $(1) $(2) || exit 1; else exit 1; fi; \
+fi
 endef
 endif
 
@@ -20,17 +27,17 @@ endif
 # Syntax: $(call include-pass-template,<include dir>,<keyword>)
 define include-pass-template
 include-pass-local: include-pass-local-$(2)
-include-pass-local-$(2): $$($(2)_GEN_HEADERS) $$(foreach f,$$(renamed_$(2)_GEN_HEADERS),$$(shell echo '$$(f)' | sed -e 's/^\(.*\)->.*$$$$/\1/'))
+include-pass-local-$(2): $$($(2)_GEN_HEADERS) $$(foreach f,$$(renamed_$(2)_GEN_HEADERS),$$(shell f='$$(f)'; echo $$$${f%->*}))
        @$$(foreach f, $$($(2)_HEADERS),$$(call cp_cmd,$$(SOURCES_DIR)/$$(f),$(1)/$$(notdir $$(f))); )
 # FIXME: Use correct build dir, then document it (in the line bellow)
        @$$(foreach f, $$($(2)_GEN_HEADERS),$$(call cp_cmd,$$(LOCAL_BUILD_DIR)/$$(f),$(1)/$$(notdir $$(f))); )
-       @$$(foreach f, $$(nobase_$(2)_HEADERS),if mkdir -p $(1)/$$(dir $$(f)); then $$(call cp_cmd,$$(SOURCES_DIR)/$$(f),$(1)/$$(f)); fi; )
+       @$$(foreach f, $$(nobase_$(2)_HEADERS), $$(call cp_cmd,$$(SOURCES_DIR)/$$(f),$(1)/$$(f)); )
        @$$(foreach f, $$(renamed_$(2)_HEADERS), \
-          srcfname=`echo '$$(f)' | sed -e 's/^\(.*\)->.*$$$$/\1/'` ; destfname=`echo '$$(f)' | sed -e 's/^.*->\(.*\)$$$$/\1/'` ; \
-          if mkdir -p `dirname $(1)/$$$${destfname}`; then $$(call cp_cmd,$$(SOURCES_DIR)/$$$${srcfname},$(1)/$$$${destfname}); fi; )
+          f='$$(f)'; srcfname=$$$${f%->*}; destfname=$$$${f#*->}; \
+          $$(call cp_cmd,$$(SOURCES_DIR)/$$$${srcfname},$(1)/$$$${destfname}); )
        @$$(foreach f, $$(renamed_$(2)_GEN_HEADERS), \
-          srcfname=`echo '$$(f)' | sed -e 's/^\(.*\)->.*$$$$/\1/'` ; destfname=`echo '$$(f)' | sed -e 's/^.*->\(.*\)$$$$/\1/'` ; \
-          if mkdir -p `dirname $(1)/$$$${destfname}`; then  $$(call cp_cmd,$$(LOCAL_BUILD_DIR)/$$$${srcfname},$(1)/$$$${destfname}); fi; )
+          f='$$(f)'; srcfname=$$$${f%->*}; destfname=$$$${f#*->}; \
+          $$(call cp_cmd,$$(LOCAL_BUILD_DIR)/$$$${srcfname},$(1)/$$$${destfname}); )
 # Suppress "Nothing to be done for `include-pass-local'" message if no headers are defined in Makefile.omk
        @$$(if $$($(2)_HEADERS)$$($(2)_GEN_HEADERS)$$(nobase_$(2)_HEADERS)$$(renamed_$(2)_HEADERS)$$(renamed_$(2)_GEN_HEADERS),,true)
 endef