Add forgotten cmetric.omk

diff --git a/snippets/cmetric.omk b/snippets/cmetric.omk
new file mode 100644 (file)
index 0000000..f44cd02
--- /dev/null
+++ b/snippets/cmetric.omk
@@ -0,0 +1,42 @@
+# cmetric_include_HEADERS    .. generate header file with offsets and sizes of structure fields
+# xxx_CMETRIC_SOURCES       .. the source cmetric generation
+
+NM ?= nm
+
+# Syntax: $(call CMETRIC_o_h_template,<object_file>,<target_header>)
+define CMETRIC_o_h_template
+$(2): $(1)
+       @$(QUIET_CMD_ECHO) "  CMETRIC $$@"
+       $(Q)if [ -n `dirname $$@` ] ; then \
+             if [ ! -e `dirname $$@` ] ; then \
+               mkdir -p `dirname $$@` ; fi ; fi
+       $(Q)echo >$$@.tmp '/* Automatically generated from $$< */'
+       $(Q)echo >>$$@.tmp '/* Conditionals to control compilation */'
+# Bellow, the tricks with redirection are for shells without set -o pipefail
+# (see http://www.mail-archive.com/dash@vger.kernel.org/msg00149.html)
+       $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) $$<; echo $$$$? >&4; }\
+               | $(SED4OMK) -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2cond_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
+               | sort >>$$@.tmp` && exit $$$$status
+       $(Q)echo >>$$@.tmp '/* Defines from the values defined to symbols in hexadecimal format */'
+       $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) $$<; echo $$$$? >&4; }\
+               | $(SED4OMK) -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2def_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
+               | sort >>$$@.tmp` && exit $$$$status
+       $(Q)echo >>$$@.tmp '/* Defines from the values defined to symbols in decimal format */'
+       $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) -td $$<; echo $$$$? >&4; }\
+               | $(SED4OMK) -n 's/^ *0*\(0\|[1-9][0-9]*\) *A *_cmetric2defdec_\([A-Za-z_0-9]*\) */#define \2 \1/p' \
+               | sort >>$$@.tmp` && exit $$$$status
+       $(Q)mv $$@.tmp $$@
+endef
+
+library-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(cmetric_include_HEADERS))
+
+# Special rules for CMETRIC generated headers
+
+$(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call COMPILE_c_o_template,\
+               $(SOURCES_DIR)/$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES),\
+               $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),)))
+$(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call CMETRIC_o_h_template,\
+               $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),\
+               $(addprefix $(USER_INCLUDE_DIR)/,$(cmetrh)))))
+
+GEN_HEADERS+=$(cmetric_include_HEADERS:%=$(USER_INCLUDE_DIR)/%)