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annotate mk/subdir-rules.sh @ 16:f9e4689b837d

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Some minor updates for 15 years later.
author David A. Holland
date Tue, 31 May 2022 01:45:26 -0400
parents 13d2b8934445
children
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1 #!/bin/sh
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2 # subdir-rules.sh - generate make rules for subdir.mk
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3 # usage: subdir-rules.sh "targets" "subdirs" "moresubdirs" > rules.mk
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4
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5 if [ $# != 3 ]; then
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6 echo "$0: usage: $0 'targets' 'subdirs' 'moresubdirs'" 1>&2
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7 exit 1
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8 fi
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9
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10 TARGETS="$1"
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11 SUBDIRS="$2"
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12 MORESUBDIRS="$3"
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13
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14 # Remove anything from MORESUBDIRS that's already in DIRS
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15 MORESUBDIRS=`(echo 1 $SUBDIRS; echo 2 $MORESUBDIRS) | awk '
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16 /^1 / { for (i=2;i<=NF;i++) seen[$i] = 1; }
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17 /^2 / { for (i=2;i<=NF;i++) if (!seen[$i]) print $i; }
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18 '`
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19
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20 for T in $TARGETS; do
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21 if [ "$T" != rules -a "$T" != distclean ]; then
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22 echo "${T}: ${T}-subdirs"
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23 fi
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24 done
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25
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26 for T in $TARGETS; do
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27 echo "${T}-subdirs:"
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28
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29 if [ "$T" = rules -o "$T" = distclean ]; then
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30 DIRS="$SUBDIRS $MORESUBDIRS"
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31 else
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32 DIRS="$SUBDIRS"
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33 fi
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34
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35 for D in $DIRS; do
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36 echo $D | awk '{
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37 printf "\t@echo \"%s ===> $(_SUBDIR_)%s\"\n", t, $1;
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38 printf "\t@cd %s && $(MAKE) %s _SUBDIR_=$(_SUBDIR_)%s/\n", $1,t,$1;
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39 }' "t=$T"
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40 done
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41 done
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42
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43 for T in $TARGETS; do
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44 echo ".PHONY: $T ${T}-subdirs"
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45 done
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46
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47 echo 'distclean-here:'
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48 for D in $SUBDIRS $MORESUBDIRS; do
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49 echo $D | awk '
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50 {
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51 printf "\t@echo \" [RMDIR] %s\"\n", $1;
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52 printf "\t@-rm -f %s/Makefile %s/rules.mk %s/depend.mk\n",$1,$1,$1;
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53 printf "\t@-rmdir %s\n", $1;
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54 }
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55 '
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56 done