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