1 | #! /bin/sh |
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2 | # depcomp - compile a program generating dependencies as side-effects |
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3 | |
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4 | scriptversion=2004-05-31.23 |
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5 | |
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6 | # Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc. |
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7 | |
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8 | # This program is free software; you can redistribute it and/or modify |
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9 | # it under the terms of the GNU General Public License as published by |
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10 | # the Free Software Foundation; either version 2, or (at your option) |
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11 | # any later version. |
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12 | |
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13 | # This program is distributed in the hope that it will be useful, |
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14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | # GNU General Public License for more details. |
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17 | |
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18 | # You should have received a copy of the GNU General Public License |
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19 | # along with this program; if not, write to the Free Software |
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20 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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21 | # 02111-1307, USA. |
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22 | |
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23 | # As a special exception to the GNU General Public License, if you |
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24 | # distribute this file as part of a program that contains a |
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25 | # configuration script generated by Autoconf, you may include it under |
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26 | # the same distribution terms that you use for the rest of that program. |
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27 | |
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28 | # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. |
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29 | |
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30 | case $1 in |
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31 | '') |
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32 | echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
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33 | exit 1; |
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34 | ;; |
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35 | -h | --h*) |
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36 | cat <<\EOF |
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37 | Usage: depcomp [--help] [--version] PROGRAM [ARGS] |
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38 | |
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39 | Run PROGRAMS ARGS to compile a file, generating dependencies |
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40 | as side-effects. |
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41 | |
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42 | Environment variables: |
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43 | depmode Dependency tracking mode. |
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44 | source Source file read by `PROGRAMS ARGS'. |
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45 | object Object file output by `PROGRAMS ARGS'. |
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46 | DEPDIR directory where to store dependencies. |
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47 | depfile Dependency file to output. |
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48 | tmpdepfile Temporary file to use when outputing dependencies. |
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49 | libtool Whether libtool is used (yes/no). |
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50 | |
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51 | Report bugs to <bug-automake@gnu.org>. |
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52 | EOF |
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53 | exit 0 |
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54 | ;; |
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55 | -v | --v*) |
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56 | echo "depcomp $scriptversion" |
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57 | exit 0 |
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58 | ;; |
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59 | esac |
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60 | |
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61 | if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
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62 | echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
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63 | exit 1 |
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64 | fi |
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65 | |
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66 | # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. |
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67 | depfile=${depfile-`echo "$object" | |
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68 | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} |
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69 | tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} |
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70 | |
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71 | rm -f "$tmpdepfile" |
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72 | |
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73 | # Some modes work just like other modes, but use different flags. We |
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74 | # parameterize here, but still list the modes in the big case below, |
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75 | # to make depend.m4 easier to write. Note that we *cannot* use a case |
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76 | # here, because this file can only contain one case statement. |
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77 | if test "$depmode" = hp; then |
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78 | # HP compiler uses -M and no extra arg. |
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79 | gccflag=-M |
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80 | depmode=gcc |
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81 | fi |
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82 | |
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83 | if test "$depmode" = dashXmstdout; then |
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84 | # This is just like dashmstdout with a different argument. |
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85 | dashmflag=-xM |
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86 | depmode=dashmstdout |
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87 | fi |
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88 | |
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89 | case "$depmode" in |
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90 | gcc3) |
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91 | ## gcc 3 implements dependency tracking that does exactly what |
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92 | ## we want. Yay! Note: for some reason libtool 1.4 doesn't like |
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93 | ## it if -MD -MP comes after the -MF stuff. Hmm. |
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94 | "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" |
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95 | stat=$? |
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96 | if test $stat -eq 0; then : |
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97 | else |
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98 | rm -f "$tmpdepfile" |
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99 | exit $stat |
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100 | fi |
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101 | mv "$tmpdepfile" "$depfile" |
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102 | ;; |
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103 | |
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104 | gcc) |
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105 | ## There are various ways to get dependency output from gcc. Here's |
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106 | ## why we pick this rather obscure method: |
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107 | ## - Don't want to use -MD because we'd like the dependencies to end |
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108 | ## up in a subdir. Having to rename by hand is ugly. |
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109 | ## (We might end up doing this anyway to support other compilers.) |
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110 | ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like |
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111 | ## -MM, not -M (despite what the docs say). |
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112 | ## - Using -M directly means running the compiler twice (even worse |
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113 | ## than renaming). |
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114 | if test -z "$gccflag"; then |
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115 | gccflag=-MD, |
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116 | fi |
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117 | "$@" -Wp,"$gccflag$tmpdepfile" |
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118 | stat=$? |
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119 | if test $stat -eq 0; then : |
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120 | else |
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121 | rm -f "$tmpdepfile" |
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122 | exit $stat |
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123 | fi |
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124 | rm -f "$depfile" |
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125 | echo "$object : \\" > "$depfile" |
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126 | alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz |
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127 | ## The second -e expression handles DOS-style file names with drive letters. |
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128 | sed -e 's/^[^:]*: / /' \ |
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129 | -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" |
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130 | ## This next piece of magic avoids the `deleted header file' problem. |
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131 | ## The problem is that when a header file which appears in a .P file |
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132 | ## is deleted, the dependency causes make to die (because there is |
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133 | ## typically no way to rebuild the header). We avoid this by adding |
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134 | ## dummy dependencies for each header file. Too bad gcc doesn't do |
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135 | ## this for us directly. |
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136 | tr ' ' ' |
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137 | ' < "$tmpdepfile" | |
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138 | ## Some versions of gcc put a space before the `:'. On the theory |
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139 | ## that the space means something, we add a space to the output as |
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140 | ## well. |
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141 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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142 | ## correctly. Breaking it into two sed invocations is a workaround. |
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143 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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144 | rm -f "$tmpdepfile" |
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145 | ;; |
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146 | |
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147 | hp) |
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148 | # This case exists only to let depend.m4 do its work. It works by |
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149 | # looking at the text of this script. This case will never be run, |
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150 | # since it is checked for above. |
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151 | exit 1 |
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152 | ;; |
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153 | |
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154 | sgi) |
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155 | if test "$libtool" = yes; then |
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156 | "$@" "-Wp,-MDupdate,$tmpdepfile" |
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157 | else |
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158 | "$@" -MDupdate "$tmpdepfile" |
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159 | fi |
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160 | stat=$? |
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161 | if test $stat -eq 0; then : |
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162 | else |
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163 | rm -f "$tmpdepfile" |
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164 | exit $stat |
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165 | fi |
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166 | rm -f "$depfile" |
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167 | |
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168 | if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files |
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169 | echo "$object : \\" > "$depfile" |
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170 | |
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171 | # Clip off the initial element (the dependent). Don't try to be |
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172 | # clever and replace this with sed code, as IRIX sed won't handle |
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173 | # lines with more than a fixed number of characters (4096 in |
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174 | # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
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175 | # the IRIX cc adds comments like `#:fec' to the end of the |
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176 | # dependency line. |
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177 | tr ' ' ' |
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178 | ' < "$tmpdepfile" \ |
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179 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
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180 | tr ' |
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181 | ' ' ' >> $depfile |
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182 | echo >> $depfile |
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183 | |
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184 | # The second pass generates a dummy entry for each header file. |
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185 | tr ' ' ' |
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186 | ' < "$tmpdepfile" \ |
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187 | | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
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188 | >> $depfile |
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189 | else |
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190 | # The sourcefile does not contain any dependencies, so just |
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191 | # store a dummy comment line, to avoid errors with the Makefile |
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192 | # "include basename.Plo" scheme. |
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193 | echo "#dummy" > "$depfile" |
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194 | fi |
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195 | rm -f "$tmpdepfile" |
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196 | ;; |
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197 | |
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198 | aix) |
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199 | # The C for AIX Compiler uses -M and outputs the dependencies |
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200 | # in a .u file. In older versions, this file always lives in the |
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201 | # current directory. Also, the AIX compiler puts `$object:' at the |
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202 | # start of each line; $object doesn't have directory information. |
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203 | # Version 6 uses the directory in both cases. |
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204 | stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
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205 | tmpdepfile="$stripped.u" |
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206 | if test "$libtool" = yes; then |
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207 | "$@" -Wc,-M |
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208 | else |
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209 | "$@" -M |
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210 | fi |
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211 | stat=$? |
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212 | |
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213 | if test -f "$tmpdepfile"; then : |
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214 | else |
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215 | stripped=`echo "$stripped" | sed 's,^.*/,,'` |
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216 | tmpdepfile="$stripped.u" |
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217 | fi |
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218 | |
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219 | if test $stat -eq 0; then : |
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220 | else |
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221 | rm -f "$tmpdepfile" |
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222 | exit $stat |
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223 | fi |
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224 | |
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225 | if test -f "$tmpdepfile"; then |
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226 | outname="$stripped.o" |
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227 | # Each line is of the form `foo.o: dependent.h'. |
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228 | # Do two passes, one to just change these to |
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229 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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230 | sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
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231 | sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
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232 | else |
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233 | # The sourcefile does not contain any dependencies, so just |
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234 | # store a dummy comment line, to avoid errors with the Makefile |
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235 | # "include basename.Plo" scheme. |
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236 | echo "#dummy" > "$depfile" |
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237 | fi |
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238 | rm -f "$tmpdepfile" |
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239 | ;; |
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240 | |
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241 | icc) |
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242 | # Intel's C compiler understands `-MD -MF file'. However on |
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243 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
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244 | # ICC 7.0 will fill foo.d with something like |
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245 | # foo.o: sub/foo.c |
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246 | # foo.o: sub/foo.h |
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247 | # which is wrong. We want: |
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248 | # sub/foo.o: sub/foo.c |
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249 | # sub/foo.o: sub/foo.h |
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250 | # sub/foo.c: |
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251 | # sub/foo.h: |
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252 | # ICC 7.1 will output |
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253 | # foo.o: sub/foo.c sub/foo.h |
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254 | # and will wrap long lines using \ : |
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255 | # foo.o: sub/foo.c ... \ |
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256 | # sub/foo.h ... \ |
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257 | # ... |
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258 | |
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259 | "$@" -MD -MF "$tmpdepfile" |
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260 | stat=$? |
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261 | if test $stat -eq 0; then : |
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262 | else |
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263 | rm -f "$tmpdepfile" |
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264 | exit $stat |
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265 | fi |
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266 | rm -f "$depfile" |
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267 | # Each line is of the form `foo.o: dependent.h', |
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268 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
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269 | # Do two passes, one to just change these to |
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270 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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271 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
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272 | # Some versions of the HPUX 10.20 sed can't process this invocation |
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273 | # correctly. Breaking it into two sed invocations is a workaround. |
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274 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
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275 | sed -e 's/$/ :/' >> "$depfile" |
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276 | rm -f "$tmpdepfile" |
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277 | ;; |
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278 | |
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279 | tru64) |
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280 | # The Tru64 compiler uses -MD to generate dependencies as a side |
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281 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
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282 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
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283 | # dependencies in `foo.d' instead, so we check for that too. |
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284 | # Subdirectories are respected. |
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285 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
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286 | test "x$dir" = "x$object" && dir= |
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287 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
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288 | |
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289 | if test "$libtool" = yes; then |
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290 | # Dependencies are output in .lo.d with libtool 1.4. |
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291 | # With libtool 1.5 they are output both in $dir.libs/$base.o.d |
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292 | # and in $dir.libs/$base.o.d and $dir$base.o.d. We process the |
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293 | # latter, because the former will be cleaned when $dir.libs is |
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294 | # erased. |
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295 | tmpdepfile1="$dir.libs/$base.lo.d" |
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296 | tmpdepfile2="$dir$base.o.d" |
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297 | tmpdepfile3="$dir.libs/$base.d" |
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298 | "$@" -Wc,-MD |
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299 | else |
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300 | tmpdepfile1="$dir$base.o.d" |
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301 | tmpdepfile2="$dir$base.d" |
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302 | tmpdepfile3="$dir$base.d" |
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303 | "$@" -MD |
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304 | fi |
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305 | |
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306 | stat=$? |
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307 | if test $stat -eq 0; then : |
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308 | else |
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309 | rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" |
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310 | exit $stat |
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311 | fi |
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312 | |
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313 | if test -f "$tmpdepfile1"; then |
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314 | tmpdepfile="$tmpdepfile1" |
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315 | elif test -f "$tmpdepfile2"; then |
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316 | tmpdepfile="$tmpdepfile2" |
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317 | else |
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318 | tmpdepfile="$tmpdepfile3" |
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319 | fi |
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320 | if test -f "$tmpdepfile"; then |
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321 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
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322 | # That's a tab and a space in the []. |
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323 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
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324 | else |
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325 | echo "#dummy" > "$depfile" |
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326 | fi |
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327 | rm -f "$tmpdepfile" |
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328 | ;; |
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329 | |
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330 | #nosideeffect) |
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331 | # This comment above is used by automake to tell side-effect |
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332 | # dependency tracking mechanisms from slower ones. |
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333 | |
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334 | dashmstdout) |
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335 | # Important note: in order to support this mode, a compiler *must* |
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336 | # always write the preprocessed file to stdout, regardless of -o. |
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337 | "$@" || exit $? |
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338 | |
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339 | # Remove the call to Libtool. |
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340 | if test "$libtool" = yes; then |
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341 | while test $1 != '--mode=compile'; do |
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342 | shift |
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343 | done |
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344 | shift |
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345 | fi |
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346 | |
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347 | # Remove `-o $object'. |
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348 | IFS=" " |
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349 | for arg |
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350 | do |
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351 | case $arg in |
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352 | -o) |
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353 | shift |
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354 | ;; |
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355 | $object) |
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356 | shift |
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357 | ;; |
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358 | *) |
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359 | set fnord "$@" "$arg" |
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360 | shift # fnord |
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361 | shift # $arg |
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362 | ;; |
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363 | esac |
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364 | done |
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365 | |
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366 | test -z "$dashmflag" && dashmflag=-M |
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367 | # Require at least two characters before searching for `:' |
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368 | # in the target name. This is to cope with DOS-style filenames: |
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369 | # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
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370 | "$@" $dashmflag | |
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371 | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
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372 | rm -f "$depfile" |
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373 | cat < "$tmpdepfile" > "$depfile" |
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374 | tr ' ' ' |
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375 | ' < "$tmpdepfile" | \ |
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376 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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377 | ## correctly. Breaking it into two sed invocations is a workaround. |
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378 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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379 | rm -f "$tmpdepfile" |
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380 | ;; |
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381 | |
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382 | dashXmstdout) |
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383 | # This case only exists to satisfy depend.m4. It is never actually |
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384 | # run, as this mode is specially recognized in the preamble. |
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385 | exit 1 |
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386 | ;; |
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387 | |
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388 | makedepend) |
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389 | "$@" || exit $? |
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390 | # Remove any Libtool call |
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391 | if test "$libtool" = yes; then |
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392 | while test $1 != '--mode=compile'; do |
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393 | shift |
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394 | done |
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395 | shift |
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396 | fi |
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397 | # X makedepend |
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398 | shift |
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399 | cleared=no |
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400 | for arg in "$@"; do |
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401 | case $cleared in |
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402 | no) |
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403 | set ""; shift |
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404 | cleared=yes ;; |
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405 | esac |
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406 | case "$arg" in |
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407 | -D*|-I*) |
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408 | set fnord "$@" "$arg"; shift ;; |
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409 | # Strip any option that makedepend may not understand. Remove |
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410 | # the object too, otherwise makedepend will parse it as a source file. |
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411 | -*|$object) |
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412 | ;; |
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413 | *) |
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414 | set fnord "$@" "$arg"; shift ;; |
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415 | esac |
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416 | done |
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417 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
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418 | touch "$tmpdepfile" |
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419 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
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420 | rm -f "$depfile" |
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421 | cat < "$tmpdepfile" > "$depfile" |
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422 | sed '1,2d' "$tmpdepfile" | tr ' ' ' |
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423 | ' | \ |
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424 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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425 | ## correctly. Breaking it into two sed invocations is a workaround. |
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426 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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427 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
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428 | ;; |
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429 | |
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430 | cpp) |
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431 | # Important note: in order to support this mode, a compiler *must* |
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432 | # always write the preprocessed file to stdout. |
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433 | "$@" || exit $? |
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434 | |
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435 | # Remove the call to Libtool. |
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436 | if test "$libtool" = yes; then |
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437 | while test $1 != '--mode=compile'; do |
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438 | shift |
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439 | done |
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440 | shift |
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441 | fi |
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442 | |
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443 | # Remove `-o $object'. |
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444 | IFS=" " |
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445 | for arg |
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446 | do |
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447 | case $arg in |
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448 | -o) |
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449 | shift |
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450 | ;; |
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451 | $object) |
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452 | shift |
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453 | ;; |
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454 | *) |
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455 | set fnord "$@" "$arg" |
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456 | shift # fnord |
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457 | shift # $arg |
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458 | ;; |
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459 | esac |
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460 | done |
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461 | |
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462 | "$@" -E | |
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463 | sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
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464 | sed '$ s: \\$::' > "$tmpdepfile" |
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465 | rm -f "$depfile" |
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466 | echo "$object : \\" > "$depfile" |
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467 | cat < "$tmpdepfile" >> "$depfile" |
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468 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
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469 | rm -f "$tmpdepfile" |
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470 | ;; |
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471 | |
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472 | msvisualcpp) |
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473 | # Important note: in order to support this mode, a compiler *must* |
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474 | # always write the preprocessed file to stdout, regardless of -o, |
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475 | # because we must use -o when running libtool. |
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476 | "$@" || exit $? |
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477 | IFS=" " |
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478 | for arg |
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479 | do |
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480 | case "$arg" in |
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481 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
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482 | set fnord "$@" |
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483 | shift |
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484 | shift |
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485 | ;; |
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486 | *) |
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487 | set fnord "$@" "$arg" |
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488 | shift |
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489 | shift |
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490 | ;; |
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491 | esac |
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492 | done |
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493 | "$@" -E | |
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494 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
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495 | rm -f "$depfile" |
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496 | echo "$object : \\" > "$depfile" |
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497 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
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498 | echo " " >> "$depfile" |
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499 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
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500 | rm -f "$tmpdepfile" |
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501 | ;; |
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502 | |
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503 | none) |
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504 | exec "$@" |
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505 | ;; |
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506 | |
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507 | *) |
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508 | echo "Unknown depmode $depmode" 1>&2 |
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509 | exit 1 |
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510 | ;; |
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511 | esac |
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512 | |
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513 | exit 0 |
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514 | |
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515 | # Local Variables: |
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516 | # mode: shell-script |
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517 | # sh-indentation: 2 |
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518 | # eval: (add-hook 'write-file-hooks 'time-stamp) |
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519 | # time-stamp-start: "scriptversion=" |
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520 | # time-stamp-format: "%:y-%02m-%02d.%02H" |
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521 | # time-stamp-end: "$" |
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522 | # End: |
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