summaryrefslogtreecommitdiff
path: root/nuttx/tools/mkdeps.sh
blob: 14ac6080e51fbaf6a6eda061a7c27c7f5d153a16 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#!/bin/bash
############################################################################
# tools/mkdeps.sh
#
#   Copyright (C) 2007-2009, 2011-2013 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
#
# Usage:

show_usage ()
{
  echo ""
  echo "$progname  [OPTIONS] CC -- CFLAGS -- file [file [file...]]"
  echo ""
  echo "Where:"
  echo "  CC"
  echo "    A variable number of arguments that define how to execute the compiler"
  echo "  CFLAGS"
  echo "    The compiler compilation flags"
  echo "  file"
  echo "    One or more C files whose dependencies will be checked.  Each file is expected"
  echo "    to reside in the current directory unless --dep-path is provided on the command line"
  echo ""
  echo "And [OPTIONS] include:"
  echo "  --dep-debug"
  echo "    Enable script debug"
  echo "  --dep-path <path>"
  echo "    Do not look in the current directory for the file.  Instead, look in <path> to see"
  echo "    if the file resides there.  --dep-path may be used multiple times to specify"
  echo "    multiple alternative location"
  echo "  --obj-path <path>"
  echo "    The final objects will not reside in this path but, rather, at the path provided by"
  echo "    <path>.  if provided multiple time, only the last --obj-path will be used."
  echo "  --obj-suffix <suffix>"
  echo "    If and object path is provided, then the extension will be assumed to be .o.  This"
  echo "    default suffix can be overrided with this command line option."
  echo "  --winpaths <TOPDIR>"
  echo "    CC generates dependency lists using Windows paths (e.g., C:\blablah\blabla).  This"
  echo "    switch instructs the script to use 'cygpath' to convert the Windows paths to Cygwin"
  echo "    paths"
  echo "  --help"
  echo "    Shows this message and exits"
  exit 1
}

dodep ()
{
  unset fullpath
  if [ -z "$altpath" ]; then
    if [ -r $1 ]; then
      fullpath=$1
    else
      echo "# ERROR: No readable file at $1"
      show_usage
    fi
  else
    for path in $altpath; do
      tmppath=$path/$1
      if [ -r $tmppath ]; then
        fullpath=$tmppath
        break;
      fi
    done
    if [ -z "$fullpath" ]; then
      echo "# ERROR: No readable file for $1 found at any location"
      show_usage
    fi
  fi

  unset mtarg
  if [ ! -z "$objpath" ]; then
    srcname=`basename $1`
    objname="${srcname%.*}"
    mtarg="-MT ${objpath}/${objname}${suffix}"
  fi

  $cc -M $mtarg $cflags $fullpath || \
    ( echo "# ERROR: $cc -M $cflags $fullpath FAILED"; exit 4; )
}

unset cc
unset cflags
unset files
unset args
unset altpath
unset objpath
suffix=.o
winpaths=n
unset topdir

# Accumulate CFLAGS up to "--"
progname=$0
while [ ! -z "$1" ]; do
  case $1 in
  -- )
    cc=$cflags
    cflags=$args
    args=
    ;;
  --dep-debug )
    if [ -z "$args" ]; then
      set -x
    else
      args="$args $1"
    fi
    ;;
  --dep-path )
    if [ -z "$args" ]; then
      shift
      altpath="$altpath $1"
    else
      args="$args $1"
    fi
    ;;
  --obj-path )
    shift
    objpath="$1"
    ;;
  --obj-suffix )
    shift
    suffix="$1"
    ;;
  --winpaths )
    if [ -z "$args" ]; then
      shift
      winpaths=y
      topdir=$1
    else
      args="$args $1"
    fi
    ;;
  --help )
    show_usage
    ;;
  *)
    args="$args $1"
    ;;
  esac
  shift
done
files=$args

if [ -z "$cc" ]; then
  echo "ERROR: No compiler specified"
  show_usage
  exit 1
fi

if [ -z "$files" ]; then
  # Don't report an error -- this happens normally in some configurations
  echo "# No files specified for dependency generataion"
  exit 0
fi

# Check if this compiler generates Cygwin/Linux paths or Windows paths

if [ "X${winpaths}" = "Xy" ]; then
    # We will have to parse and modify each dependency (yech)
    # Make sure a valid TOPDIR argument was provided

    if [ -z "$topdir" -o ! -d $topdir ]; then
    	echo "<TOPDIR> not specified or does not exist: $topdir"
    	show_usage
    	exit 1
    fi
 
    # Get the top dir expressed like the Windows GCC would use it, except
    # with forward slashs

    wtopdir=`cygpath -w ${topdir} | sed -e "s,\\\\\\,/,g"`

    # Then get the dependency and perform conversions on it to make it
    # palatable to the Cygwin make.  This is probably not sufficiently
    # general to work on all platforms (like if your disk is not C:).

    for file in $files ; do
        dodep $file | sed -e "s,\\\,/,g" -e "s,${wtopdir},${topdir},g" \
                          -e "s,/ ,\\\ ,g" -e "s,c:/,/cygdrive/c/,g" \
                          -e "s,/$,\\\,g"
    done
else
    # For normal Cygwin/Linux GCC, the dependency paths are in the
    # correct form and can simply be echoed on stdout

    for file in $files ; do
        dodep $file
    done
fi