include/buildrules

   1 # SPDX-License-Identifier: GPL-2.0
   2 # Copyright (c) 1999, 2001-2003 Silicon Graphics, Inc.  All Rights Reserved.
   3 #
   4 ifndef _BUILDRULES_INCLUDED_
   5 _BUILDRULES_INCLUDED_ = 1
   6
   7 include $(TOPDIR)/include/builddefs
   8
   9 clean clobber : $(addsuffix -clean,$(SUBDIRS))
  10         @rm -f $(DIRT) .ltdep .dep
  11         @rm -fr $(DIRDIRT)
  12 %-clean:
  13         @echo "Cleaning $*"
  14         $(Q)$(MAKE) $(MAKEOPTS) -C $* clean
  15
  16 ifdef HDR_SUBDIRS
  17 .PHONY: .xfs
  18
  19 headers: $(addsuffix -headers, $(HDR_SUBDIRS))
  20
  21 %-headers: .xfs
  22         @echo "   [HEADERS] $*"
  23         $(Q)$(MAKE) $(MAKEOPTS) -C $* NODEP=1 install-headers
  24
  25 .xfs:
  26         @mkdir -p include/xfs
  27 endif
  28
  29 # Never blow away subdirs
  30 ifdef SUBDIRS
  31 .PRECIOUS: $(SUBDIRS)
  32 .PHONY: $(SUBDIRS)
  33
  34 $(SUBDIRS):
  35         @echo "Building $@"
  36         $(Q)$(MAKE) $(MAKEOPTS) -q -C $@ || $(MAKE) $(MAKEOPTS) -C $@
  37 endif
  38
  39 #
  40 # Standard targets
  41 #
  42
  43 ifdef LTCOMMAND
  44 $(LTCOMMAND) : $(SUBDIRS) $(OBJECTS) $(LTDEPENDENCIES)
  45         @echo "    [LD]     $@"
  46         $(Q)$(LTLINK) -o $@ $(LDFLAGS) $(OBJECTS) $(LDLIBS)
  47 endif
  48
  49 ifdef LTLIBRARY
  50 $(LTLIBRARY) : $(SUBDIRS) $(LTOBJECTS)
  51         @echo "    [LD]     $@"
  52         $(Q)$(LTLINK) $(LTLDFLAGS) -o $(LTLIBRARY) $(LTOBJECTS) $(LTLIBS)
  53
  54 %.lo: %.c
  55         @echo "    [CC]     $@"
  56         $(Q)$(LTCOMPILE) -c $<
  57 else
  58 %.o: %.c
  59         @echo "    [CC]     $@"
  60         $(Q)$(CC) $(CFLAGS) -c $<
  61
  62 endif
  63
  64 ifdef POTHEAD
  65 $(POTHEAD): $(XGETTEXTFILES)
  66         @echo "    [GETTXT] $@"
  67         $(Q)$(XGETTEXT) --language=C --keyword=_ --keyword=N_ -o $@ $(XGETTEXTFILES)
  68
  69 # Update translations
  70 update-po: $(POTHEAD) $(wildcard $(TOPDIR)/po/*.po)
  71         catalogs="$(wildcard $(TOPDIR)/po/*.po)"; \
  72         for cat in $$catalogs; do \
  73           lang=`basename $$cat .po`; \
  74           mv $$lang.po $$lang.old.po; \
  75           echo "$$lang:"; \
  76           if $(MSGMERGE) $$lang.old.po $(POTHEAD) -o $$lang.po; then \
  77             rm -f $$lang.old.po; \
  78           else \
  79             echo "msgmerge for $$lang failed!"; \
  80             rm -f $$lang.po; \
  81             mv $$lang.old.po $$lang.po; \
  82           fi; \
  83         done
  84
  85 %.mo: %.po
  86         @echo "    [MSGFMT] $@"
  87         $(Q)$(MSGFMT) -c --statistics -o $@ $<
  88 endif
  89
  90 endif # _BUILDRULES_INCLUDED_
  91
  92 $(_FORCE):
  93
  94 # dependency build is automatic, relies on gcc -MM to generate.
  95 #
  96 # This is a bit messy. It regenerates the dependencies on each build so
  97 # that we catch files being added and removed. There are other ways of doing
  98 # this (e.g. per-file dependency files) but that requires more in-depth changes
  99 # to the build system. Compile time is not an issue for us, so the
 100 # rebuild on every make invocation isn't a problem we need to care about. Just
 101 # do it silently so it doesn't make the build unnecessarily noisy.
 102
 103 .PHONY : depend ltdepend
 104
 105 MAKEDEP := $(MAKEDEPEND) $(CFLAGS)
 106
 107 ltdepend: rmltdep .ltdep
 108
 109 rmltdep:
 110         $(Q)rm -f .ltdep
 111
 112 .ltdep: $(CFILES) $(HFILES)
 113         $(Q)$(MAKEDEP) $(CFILES) | $(SED) -e 's,^\([^:]*\)\.o,\1.lo,' > .ltdep
 114
 115 depend: rmdep .dep
 116
 117 rmdep:
 118         $(Q)rm -f .dep
 119
 120 .dep: $(CFILES) $(HFILES)
 121         $(Q)$(MAKEDEP) $(CFILES) > .dep