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#!/bin/sh
find_includes () {
grep '#include.*_' $1 | sed -e 's/^.*"\(.\)/\1/;s/"$//'
}
SOURCE=$1
BASE=$(basename $SOURCE .c)
LIB=$(grep LINK $SOURCE | tr -d 'LINK()')
test -z "$LIB" && LIB="c"
if ! grep -q "^mk/$BASE.d:" mk/deps.mk 2>&1; then
printf 'all: mk/%s.d\n' $BASE >> mk/deps.mk
printf 'mk/%s.d: %s\n' $BASE $SOURCE >> mk/deps.mk
printf '\tsh mk/deps.sh %s\n\n' $SOURCE >> mk/deps.mk
fi
if ! grep -q "include mk/$BASE.d" mk/all.mk 2>&1; then
printf 'include mk/%s.d\n' $BASE >> mk/all.mk
fi
exec > mk/$BASE.d
C=$(grep -F 'STDC(' $SOURCE | sed -e 's/STDC(//;s/,.*//;s/)$//g')
test -n "$C" && printf 'lib%s_C.%s: lib%s.a(%s.o)\n' $LIB $C $LIB $BASE
P=$(grep -F 'POSIX(' $SOURCE | sed -e 's/POSIX(//;s/,.*//;s/)$//g')
test -n "$P" && printf 'lib%s_P.%s: lib%s.a(%s.o)\n' $LIB $P $LIB $BASE
X=$(grep -F 'XOPEN(' $SOURCE | sed -e 's/XOPEN(//;s/,.*//;s/)$//g')
test -n "$X" && printf 'lib%s_X.%s: lib%s.a(%s.o)\n' $LIB $X $LIB $BASE
if [ -z "$C" ] && [ -z "$P" ] && [ -z "$X" ]; then
printf 'lib%s_C.0: lib%s.a(%s.o)\n' $LIB $LIB $BASE
fi
printf 'lib%s.a(%s.o): $(OBJDIR)/%s.o\n' $LIB $BASE $BASE
printf '\t@echo " [AR] $@($%%)"\n'
printf '\t@$(AR) $(ARFLAGS) $@ $(OBJDIR)/$%%\n\n'
printf '$(OBJDIR)/%s.o: %s\n' $BASE $SOURCE
#
# TODO: make this recursive
#
for INC in $(find_includes $SOURCE); do
if [ -f src/$INC ]; then
FILE=src/$INC
else
FILE=$(find src -name $INC)
fi
printf '$(OBJDIR)/%s.o: %s\n' $BASE $FILE
done
printf '$(OBJDIR)/%s.o:\n' $BASE
printf '\t@echo " [CC] $@"\n'
printf '\t@mkdir -p $(@D)\n'
printf '\t@$(CC) -c -o $@ $(CFLAGS) %s\n' $SOURCE
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