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build: extract xrefs

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Signed-off-by: David Lamparter <equinox@diac24.net>
This commit is contained in:
David Lamparter 2020-04-28 13:17:20 +02:00
parent 36a8fdfd74
commit a1e6ab1e93
3 changed files with 33 additions and 0 deletions
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1
.gitignore vendored
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@ -59,6 +59,7 @@
*.cg.json
*.cg.dot
*.cg.svg
*.xref
### gcov outputs

20
lib/subdir.am
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@ -441,6 +441,26 @@ SUFFIXES += _clippy.c
.c_clippy.c:
$(AM_V_CLIPPY) $(CLIPPY) $(top_srcdir)/python/clidef.py -o $@ $<
# xrelfo, the ELF xref extractor
AM_V_XRELFO = $(am__v_XRELFO_$(V))
am__v_XRELFO_ = $(am__v_XRELFO_$(AM_DEFAULT_VERBOSITY))
am__v_XRELFO_0 = @echo " XRELFO " $@;
am__v_XRELFO_1 =
SUFFIXES += .xref
%.xref: % $(CLIPPY)
$(AM_V_XRELFO) $(CLIPPY) $(top_srcdir)/python/xrelfo.py -Wlog-format -o $@ $<
# dependencies added in python/makefile.py
frr.xref:
$(AM_V_XRELFO) $(CLIPPY) $(top_srcdir)/python/xrelfo.py -o $@ $^
all-am: frr.xref
clean-xref:
-rm -rf $(xrefs) frr.xref
clean-local: clean-xref
## automake's "ylwrap" is a great piece of GNU software... not.
.l.c:
$(AM_V_LEX)$(am__skiplex) $(LEXCOMPILE) $<

12
python/makefile.py
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@ -31,6 +31,10 @@ clippy_scan = mv["clippy_scan"].strip().split()
for clippy_file in clippy_scan:
assert clippy_file.endswith(".c")
xref_targets = []
for varname in ["bin_PROGRAMS", "sbin_PROGRAMS", "lib_LTLIBRARIES", "module_LTLIBRARIES"]:
xref_targets.extend(mv[varname].strip().split())
# check for files using clippy but not listed in clippy_scan
if args.dev_build:
basepath = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@ -124,6 +128,14 @@ out_lines.append("# clippy{\n# main clippy targets")
for clippy_file in clippy_scan:
out_lines.append(clippydep.substitute(clippybase=clippy_file[:-2]))
out_lines.append("")
out_lines.append("xrefs = %s" % (" ".join(["%s.xref" % target for target in xref_targets])))
out_lines.append("frr.xref: $(xrefs)")
out_lines.append("")
#frr.xref: $(bin_PROGRAMS) $(sbin_PROGRAMS) $(lib_LTLIBRARIES) $(module_LTLIBRARIES)
# $(AM_V_XRELFO) $(CLIPPY) $(top_srcdir)/python/xrelfo.py -o $@ $^
out_lines.append("")
out_lines.extend(bcdeps)
out_lines.append("")