-#!/bin/sh -
+#! /bin/sh -
+# $OpenLDAP$
+## Copyright 1998,1999 The OpenLDAP Foundation
+## COPYING RESTRICTIONS APPLY. See COPYRIGHT File in top level directory
+## of this package for details.
#
+# Portions
# Copyright (c) 1987 Regents of the University of California.
# All rights reserved.
#
MAKE=Makefile # default makefile name is "Makefile"
NOSLASH="no" # by default, / dependencies are included
-CC=${CC-cc} # default compiler is cc
+SRCDIR=""
+SED=cat
+
+: ${CC=cc} # use cc by default
+
+# We generally set these via the command line options
+: ${MKDEP_CC=$CC} # select default compiler to generate dependencies
+: ${MKDEP_CFLAGS="-M"} # cc -M usually produces dependencies
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 ;;
- # -c allows you to select a compiler to use (default is cc)
+ # -d allows you to select a VPATH directory
+ -d)
+ SRCDIR=$2
+ shift; shift ;;
+
+ # -c allows you to override the compiler used to generate dependencies
-c)
- CC=$2
+ MKDEP_CC=$2
+ shift; shift ;;
+
+ # -m allows you to override the compiler flags used to generate
+ # dependencies.
+ -m)
+ MKDEP_CFLAGS=$2
shift; shift ;;
# 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 ;;
esac
done
-if [ $# = 0 ] ; then
- echo 'usage: mkdep [-p] [-s] [-c cc] [-f makefile] [flags] file ...'
+if test $# = 0 ; then
+ echo 'usage: mkdep [-p] [-s] [-c cc] [-m flags] [-f makefile] [-d srcdir] [cppflags] file ...'
exit 1
fi
-if [ ! -w $MAKE ]; then
+if test ! -w $MAKE ; then
echo "mkdep: no writeable file \"$MAKE\""
exit 1
fi
TMP=/tmp/mkdep$$
-trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
+trap 'rm -f $TMP.sed $TMP ; exit 1' 1 2 3 13 15
cp $MAKE ${MAKE}.bak
# 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 $i"
+ fi
+ done
+
+ MKDEP_CFLAGS="$MKDEP_CFLAGS -I$SRCDIR"
+fi
+
+cat << _EOF_ >> $TMP
+
+#
+# files: $*
+# command: $MKDEP_CC $MKDEP_CFLAGS $files
+#
+
+_EOF_
+
+$MKDEP_CC $MKDEP_CFLAGS $files | \
+ sed -e 's; \./; ;g' | \
+ $SED > $TMP.sed
+# do not pipe to awk. SGI awk wants a filename as argument.
+# (or '-', but I do not know if all other awks support that.)
awk '
-$1 ~ /:/ {
+$1 ~ /:$/ {
filenm=$1
- dep=$2
+ dep=substr($0, length(filenm)+1)
}
-$1 !~ /:/ {
- dep=$1
+$1 !~ /:$/ {
+ dep=$0
}
/.*/ {
- if ( noslash = "yes" && dep ~ /^\// ) next
- if (filenm != prev) {
- if (rec != "")
- print rec;
- rec = filenm " " dep;
- prev = filenm;
+ if ( length(filenm) < 2 ) next
+ if ( filenm ~ /:.*:$/ ) next
+ split(dep, depends, " ")
+ for(d in depends) {
+ dfile = depends[d]
+ if ( length(dfile) < 2 ) continue
+ if ( dfile ~ /:/ ) continue
+ if (( noslash == "yes") && (dfile ~ /^\// )) continue
+ rec = filenm " " dfile
+ print rec
}
- else {
- if (length(rec dep) > 78) {
- print rec;
- rec = filenm " " dep;
- }
- else
- rec = rec " " dep
- }
- }
-END {
- print rec
-}' noslash="$NOSLASH" >> $TMP
+}
+' noslash="$NOSLASH" $TMP.sed >> $TMP
+
cat << _EOF_ >> $TMP
# copy to preserve permissions
cp $TMP $MAKE
-rm -f ${MAKE}.bak $TMP
+rm -f ${MAKE}.bak $TMP.sed $TMP
exit 0