cfg-ml-pos.in

   1 # Configure fragment invoked in the post-target section for subdirs
   2 # wanting multilib support.
   3 # The intent is to keep as much of this in one place as possible (and out
   4 # of each subdirectory, eg: newlib, libio, etc.) until the right way to do
   5 # this (ha ha) is decided upon.
   6
   7 # Only do this if --enable-multilib.
   8
   9 if [ "${enable_multilib}" = yes ]; then
  10
  11 if [ -z "${with_multisubdir}" ]; then
  12   multisubdir=
  13 else
  14   multisubdir="/${with_multisubdir}"
  15   # FIXME: following line needs testing in multilevel dir (eg: m68k).
  16   dotdot=`echo ${multisubdir} | sed -e 's:/[^/]*:../:g'`
  17   sed -e "s:^TOP[       ]*=[    ]*\([./]*\)[    ]*$:TOP = ${dotdot}\1:" \
  18       -e "s:^MULTITOP[  ]*=[    ]*\([./]*\)[    ]*$:MULTITOP = ${dotdot}\1:" \
  19         ${Makefile} > Makefile.tem
  20   rm -f ${Makefile}
  21   mv Makefile.tem ${Makefile}
  22 fi
  23
  24 # MULTIDIRS is non-empty for the cpu top level Makefile (eg: newlib/Makefile)
  25 # and lists the subdirectories to recurse into.  MULTISUBDIR is non-empty in
  26 # each cpu subdirectory's Makefile (eg: newlib/h8300h/Makefile) and is the
  27 # installed subdirectory name with a trailing '/'.
  28 # XXX_MULTI is a set of helpers for all, install, etc.
  29 # Makefile.in is free to override them since these are prepended to the top.
  30
  31 cat > Multi.tem <<EOF
  32 MULTIDIRS = ${multidirs}
  33 MULTISUBDIR = ${multisubdir}
  34 EOF
  35 cat Multi.tem ${Makefile} > Makefile.tem
  36 rm -f Multi.tem ${Makefile}
  37 mv Makefile.tem ${Makefile}
  38
  39 # Add default definitions for all, install, clean, etc.
  40 # if the Makefile uses them.
  41 #
  42 # ??? The variables will be undefined when they're not used
  43 # (eg: native libiberty) and things will work just fine, but some may argue
  44 # that's not clean.  We can always revisit this as necessary (probably by
  45 # defining all the relevant vars as empty and then instead of prepending
  46 # corrected values we can modify them in place).
  47
  48 if grep ALL_MULTI ${Makefile} >/dev/null 2>/dev/null
  49 then
  50         cat > Multi.tem <<EOF
  51 ALL_MULTI = all-multi
  52 INSTALL_MULTI = install-multi
  53 MOSTLYCLEAN_MULTI = mostlyclean-multi
  54 CLEAN_MULTI = clean-multi
  55 DISTCLEAN_MULTI = distclean-multi
  56 EOF
  57
  58         cat Multi.tem ${Makefile} > Makefile.tem
  59         rm -f Multi.tem ${Makefile}
  60         mv Makefile.tem ${Makefile}
  61
  62         cat > Multi.tem <<\EOF
  63
  64 # FIXME: We use --print-multi-lib but the others don't.  Standardize.
  65 all-multi:
  66         if [ -z "$(MULTIDIRS)" ]; then \
  67           true; \
  68         else \
  69           rootpre=`pwd`/; export rootpre; \
  70           srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \
  71           compiler="$(CC)"; \
  72           for i in `$${compiler} --print-multi-lib 2>/dev/null`; do \
  73             dir=`echo $$i | sed -e 's/;.*$$//'`; \
  74             if [ "$${dir}" = "." ]; then \
  75               true; \
  76             else \
  77               if [ -d $${dir} ]; then \
  78                 flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
  79                 if (cd $${dir}; $(MAKE) $(FLAGS_TO_PASS) \
  80                                 CFLAGS="$(CFLAGS) $${flags}" \
  81                                 CXXFLAGS="$(CXXFLAGS) $${flags}" \
  82                                 LIBCFLAGS="$(LIBCFLAGS) $${flags}" \
  83                                 LIBCXXFLAGS="$(LIBCXXFLAGS) $${flags}" \
  84                                 all); then \
  85                   true; \
  86                 else \
  87                   exit 1; \
  88                 fi; \
  89               else true; \
  90               fi; \
  91             fi; \
  92           done; \
  93         fi
  94
  95 install-multi mostlyclean-multi clean-multi distclean-multi realclean-multi:
  96         if [ -n "$(MULTIDIRS)" ]; then \
  97           rootpre=`pwd`/; export rootpre; \
  98           srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \
  99           $(MAKE) DO=`echo $@ | sed -e 's/-multi$$//'` DODIRS="$(MULTIDIRS)" $(FLAGS_TO_PASS) multi_subdir_do; \
 100         else true; fi
 101
 102 multi_subdir_do:
 103         for i in $(DODIRS); do \
 104                 if [ -f ./$$i/Makefile ] ; then \
 105                         if (cd ./$$i; $(MAKE) $(FLAGS_TO_PASS) $(DO)) ; \
 106                         then true ; \
 107                         else exit 1 ; \
 108                         fi ; \
 109                 else true; \
 110                 fi ; \
 111         done
 112 EOF
 113
 114         cat ${Makefile} Multi.tem > Makefile.tem
 115         rm -f ${Makefile} Multi.tem
 116         mv Makefile.tem ${Makefile}
 117 fi
 118
 119 fi # "${enable_multilib}" = yes