-#!/bin/sh -
+#! /bin/sh -
+# $OpenLDAP$
+## This work is part of OpenLDAP Software <http://www.openldap.org/>.
+##
+## Copyright 1998-2005 The OpenLDAP Foundation.
+## All rights reserved.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted only as authorized by the OpenLDAP
+## Public License.
+##
+## A copy of this license is available in the file LICENSE in the
+## top-level directory of the distribution or, alternatively, at
+## <http://www.OpenLDAP.org/license.html>.
#
-# Copyright (c) 1987 Regents of the University of California.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms are permitted
-# provided that the above copyright notice and this paragraph are
-# duplicated in all such forms and that any documentation,
-# advertising materials, and other materials related to such
-# distribution and use acknowledge that the software was developed
-# by the University of California, Berkeley. The name of the
-# University may not be used to endorse or promote products derived
-# from this software without specific prior written permission.
-# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
-# IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
-# WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+## Portions Copyright (c) 1987 Regents of the University of California.
+## All rights reserved.
+##
+## Redistribution and use in source and binary forms are permitted
+## provided that the above copyright notice and this paragraph are
+## duplicated in all such forms and that any documentation,
+## advertising materials, and other materials related to such
+## distribution and use acknowledge that the software was developed
+## by the University of California, Berkeley. The name of the
+## University may not be used to endorse or promote products derived
+## from this software without specific prior written permission.
+## THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+## IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+## WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# @(#)mkdep.sh 5.12 (Berkeley) 6/30/88
#
MAKE=Makefile # default makefile name is "Makefile"
NOSLASH="no" # by default, / dependencies are included
-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 -s flag removes dependencies to files that begin with /
- -s)
- NOSLASH=yes;
+ # the -l flag produces libtool compatible dependencies
+ -l)
+ SED='sed -e s;\.o:;.lo:;'
shift ;;
# -*) shift ;;
esac
done
-if [ $# = 0 ] ; then
- echo 'usage: mkdep [-p] [-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 ${MAKE}.bak
_EOF_
-# If your compiler doesn't have -M, add it. If you can't, the next two
-# lines will try and replace the "cc -M". The real problem is that this
-# hack can't deal with anything that requires a search path, and doesn't
-# even try for anything using bracket (<>) syntax.
+# If your compiler doesn't have -M, you may be able to use -E instead.
+# The preprocessor must generate lines of the form
+# #.* [0-9]* "dependent file" .*
+# This script will parse out the "dependent file"s to generate the
+# dependency list.
+
+if test "x$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
+
#
-# egrep '^#include[ ]*".*"' /dev/null $* |
-# sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
+# files: $*
+# command: $MKDEP_CC $MKDEP_CFLAGS $files
+#
+
+_EOF_
-$CC -M $* |
-sed "
- s; \./; ;g
- $SED" |
+case $MKDEP_CFLAGS in
+# Using regular preprocessor output
+ -E*)
+FLAGS=""
+FILES=""
+for i in $files; do
+ case $i in
+ -*) FLAGS="$FLAGS $i" ;;
+ *) FILES="$FILES $i" ;;
+ esac
+done
+for i in $FILES; do
+ $MKDEP_CC $MKDEP_CFLAGS $FLAGS $i | egrep '^#.*"' > $TMP.sed
+awk '
+BEGIN {
+ file = "'$i'"
+ n = split(file, parts, "/")
+ filenm = substr(parts[n], 0, length(parts[n])-1) "o"
+}
+{
+ dep = split($3, parts, "\"")
+ dep = parts[2]
+ if (dep ~ "^\./.*") dep = substr(dep, 3, length(dep)-2)
+ if (( noslash == "yes") && (dep ~ /^\// )) continue
+ if (deps[dep] == 0) printf "%s: %s\n", filenm, dep
+ deps[dep] = 1
+}' noslash="$NOSLASH" $TMP.sed >> $TMP
+done
+ ;;
+
+ *)
+# Using -M or some other specific dependency-generating option
+$MKDEP_CC $MKDEP_CFLAGS $files | \
+ sed -e 's; \./; ;g' -e 's/ :/:/' | \
+ $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
+ ;;
+esac
+
cat << _EOF_ >> $TMP
# copy to preserve permissions
cp $TMP $MAKE
-rm -f ${MAKE}.bak $TMP
+rm -f ${MAKE}.bak $TMP.sed $TMP
exit 0
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