MAKE=Makefile # default makefile name is "Makefile"
NOSLASH="no" # by default, / dependencies are included
CC=${CC-cc} # default compiler is cc
+: ${CC_MKDEP_FLAGS="-M"} # cc -M usually produces dependencies
+SRCDIR=""
+SED=cat
while :
do case "$1" in
+ # the -s flag removes dependencies to files that begin with /
+ -s)
+ NOSLASH=yes;
+ shift ;;
+
# -f allows you to select a makefile name
-f)
MAKE=$2
shift; shift ;;
+ # -d allows you to select a VPATH directory
+ -d)
+ SRCDIR=$2
+ shift; shift ;;
+
# -c allows you to select a compiler to use (default is cc)
-c)
CC=$2
# the -p flag produces "program: program.c" style dependencies
# so .o's don't get produced
-p)
- SED='s;\.o;;'
+ SED='sed -e s;\.o;;'
shift ;;
# the -l flag produces libtool compatible dependencies
-l)
- SED='s;\.o:;.lo:;'
- shift ;;
-
- # the -s flag removes dependencies to files that begin with /
- -s)
- NOSLASH=yes;
+ SED='sed -e s;\.o:;.lo:;'
shift ;;
# -*) shift ;;
done
if [ $# = 0 ] ; then
- echo 'usage: mkdep [-p] [-s] [-c cc] [-f makefile] [flags] file ...'
+ echo 'usage: mkdep [-p] [-s] [-c cc] [-f makefile] [-d srcdir] [flags] file ...'
exit 1
fi
# egrep '^#include[ ]*".*"' /dev/null $* |
# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
-$CC -M $* |
-sed "
- s; \./; ;g
- $SED" |
+if test "x$SRCDIR" = "x" ; then
+ files=$*
+else
+ files=
+ for i in $* ; do
+ if test -f $i ; then
+ files="$files $i"
+ elif test -f $SRCDIR/$i ; then
+ files="$files $SRCDIR/$i"
+ else
+ files="$files $i"
+ fi
+ done
+ CC="$CC -I$SRCDIR"
+fi
+
+cat << _EOF_ >> $TMP
+
+#
+# files: $*
+# command: $CC -M $files
+#
+
+_EOF_
+
+$CC $CC_MKDEP_FLAGS $files | \
+ sed -e 's; \./; ;g' | \
+ $SED | \
awk '
$1 ~ /:/ {
- filenm=$1
- dep=$2
+ filenm=$1;
+ dep=substr($0, length(filenm)+1);
}
$1 !~ /:/ {
- dep=$1
+ dep=$0;
}
/.*/ {
- if ( noslash = "yes" && dep ~ /^\// ) next
- if (filenm != prev) {
- if (rec != "")
- print rec;
- rec = filenm " " dep;
- prev = filenm;
- }
- else {
- if (length(rec dep) > 78) {
- print rec;
- rec = filenm " " dep;
- }
- else
- rec = rec " " dep
+ split(dep, depends, " ");
+ for(d in depends) {
+ dfile = depends[d];
+ if (( noslash == "yes") && (dfile ~ /^\// )) next
+ if ( length(dfile) < 2 ) continue
+ rec = filenm " " dfile;
+ print rec;
}
}
-END {
- print rec
-}' noslash="$NOSLASH" >> $TMP
+' noslash="$NOSLASH" >> $TMP
+
cat << _EOF_ >> $TMP