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#!/bin/sh
. $(dirname $0)/mk.sh
STANDARD=${1-9899-1990}
if [ ! -f .dep/to-build ]; then
rm -rf .dep .deps.mk .headers.mk
mkdir -p .dep
echo ${STANDARD} > .dep/to-build
fi
if [ ! -d src/${STANDARD} ]; then
printf "Standard %s not found.\n" "${STANDARD}"
exit 1
fi
if [ -f src/${STANDARD}/DEPS.mk ]; then
for i in $(grep DEPS src/${STANDARD}/DEPS.mk | cut -d= -f2); do
sh $0 $i
done
fi
rm -f .dep/${STANDARD}.*
for i in $(find src/${STANDARD} -name \*.c) $(find src/${STANDARD} -name \*.ref); do
printf '%s\t' "$i"
FILE=$i
BASE=$i
if grep -q '^REFERENCE(' $FILE; then
BASE=$(grep '^REFERENCE(' $i | m4 -DREFERENCE='src/$1')
fi
NAME=$(basename $BASE .c)
TYPE=$(classify_source $BASE)
HEADER=$(sed -ne 's/.*<\(.*\.h\)>.*/\1/p' $FILE)
LIB=$(grep '^LINK(' $BASE | m4 -DLINK='lib$1')
LIB=${LIB:-libc}
printf ' <%s>\t' "${HEADER}"
if [ ! -f .dep/${HEADER}.mk ]; then
mkdir -p $(dirname .dep/${HEADER}.mk)
printf '%s_SOURCES = ' $(echo ${HEADER} | tr /. _) > .dep/${HEADER}.mk
fi
printf ' \\\n\t%s' "$FILE" >> .dep/${HEADER}.mk
if [ $FILE != $BASE ]; then
printf ' \\\n\t%s' "$BASE" >> .dep/${HEADER}.mk
continue
fi
printf ' %s.a\n' "${LIB}"
if [ ${TYPE} = EXTERN -o ${TYPE} = FUNCTION -o ${TYPE} = TGFN ]; then
printf '$(OBJDIR)/%s.o: %s $(INCDIR)/%s' ${NAME} $i ${HEADER}> .dep/${NAME}.o.mk
for j in $(grep include $i); do
: # TODO: add each header to depends file here
done
printf '\n\t-@mkdir -p $(OBJDIR)\n\t$(CC) $(CFLAGS) -c %s -o $@\n\n' $i >> .dep/${NAME}.o.mk
if [ ! -f .dep/${LIB}.a.mk ]; then
printf '%s_OBJS =' ${LIB} > .dep/${LIB}.a.mk
if [ ${LIB} = libc ]; then
printf ' $(OBJDIR)/libc.o $(OBJDIR)/x86-64.o' >> .dep/${LIB}.a.mk
fi
fi
printf ' \\\n\t$(OBJDIR)/%s.o' ${NAME} >> .dep/${LIB}.a.mk
fi
done
if [ $(cat .dep/to-build) = ${STANDARD} ]; then
printf '.POSIX:\n\n' > .deps.mk
printf 'default: all\n\n' >> .deps.mk
printf 'include config.mk\n\n' >> .deps.mk
printf 'INCLUDES=-I$(INCDIR) -I. -Inonstd/stubs\n' >> .deps.mk
printf 'CFLAGS=$(INCLUDES) -g -fno-builtin -nostdinc -nostdlib -nodefaultlibs -Werror -Wall -Wextra -fPIC\n\n' >> .deps.mk
for i in .dep/lib*.a.mk; do
LIB=$(basename $i .a.mk)
cat $i >> .deps.mk
printf '\n\n%s.a: $(%s_OBJS)\n\t$(AR) r $@ $?\n\n' $LIB $LIB >> .deps.mk
done
printf '.POSIX:\n\ninclude config.mk\n\n' > .headers.mk
printf 'default: headers\n\n' >> .headers.mk
for i in $(find .dep -name \*.h.mk); do
HDR=$(echo $i | sed -e 's#^.*\.dep/##;s#\.mk$##')
cat $i >> .headers.mk
printf '\n\n$(INCDIR)/%s: $(%s_SOURCES)\n' ${HDR} $(echo $HDR | tr /. _) >> .headers.mk
printf '\tsh mkh.sh $@ $(%s_SOURCES)\n\n' $(echo $HDR | tr /. _) >> .headers.mk
printf ' $(INCDIR)/%s' ${HDR} >> .dep/all_headers.mk
done
printf 'headers:' >> .headers.mk
cat .dep/all_headers.mk >> .headers.mk
cat .dep/*.o.mk >> .deps.mk
printf '$(OBJDIR)/libc.o: nonstd/libc.c\n\t-@mkdir -p $(OBJDIR)\n\t$(CC) $(CFLAGS) -c $? -o $@\n\n' >> .deps.mk
printf '$(OBJDIR)/x86-64.o: nonstd/x86-64.s\n\t-@mkdir -p $(OBJDIR)\n\t$(CC) $(CFLAGS) -c $? -o $@\n\n' >> .deps.mk
printf 'all:' >> .deps.mk
for i in .dep/lib*.a.mk; do
printf ' %s' $(basename $i .mk) >> .deps.mk
done
printf '\n\n' >> .deps.mk
rm -f .dep/to-build
fi
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