[18798] | 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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[20963] | 4 | # Copyright 1999, 2000, 2003 Free Software Foundation, Inc. |
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[18798] | 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 "$tmpdepfile" |
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| 171 | ;; |
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| 172 | |
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| 173 | aix) |
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| 174 | # The C for AIX Compiler uses -M and outputs the dependencies |
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[20963] | 175 | # in a .u file. In older versions, this file always lives in the |
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| 176 | # current directory. Also, the AIX compiler puts `$object:' at the |
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| 177 | # start of each line; $object doesn't have directory information. |
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| 178 | # Version 6 uses the directory in both cases. |
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| 179 | stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` |
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[18798] | 180 | tmpdepfile="$stripped.u" |
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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 | "$@" -M |
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| 185 | fi |
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[20963] | 186 | stat=$? |
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[18798] | 187 | |
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[20963] | 188 | if test -f "$tmpdepfile"; then : |
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| 189 | else |
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| 190 | stripped=`echo "$stripped" | sed 's,^.*/,,'` |
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| 191 | tmpdepfile="$stripped.u" |
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| 192 | fi |
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| 193 | |
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[18798] | 194 | if test $stat -eq 0; then : |
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| 195 | else |
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| 196 | rm -f "$tmpdepfile" |
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| 197 | exit $stat |
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| 198 | fi |
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| 199 | |
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| 200 | if test -f "$tmpdepfile"; then |
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[20963] | 201 | outname="$stripped.o" |
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[18798] | 202 | # Each line is of the form `foo.o: dependent.h'. |
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| 203 | # Do two passes, one to just change these to |
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| 204 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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| 205 | sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" |
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| 206 | sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" |
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| 207 | else |
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| 208 | # The sourcefile does not contain any dependencies, so just |
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| 209 | # store a dummy comment line, to avoid errors with the Makefile |
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| 210 | # "include basename.Plo" scheme. |
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| 211 | echo "#dummy" > "$depfile" |
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| 212 | fi |
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| 213 | rm -f "$tmpdepfile" |
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| 214 | ;; |
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| 215 | |
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[20963] | 216 | icc) |
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| 217 | # Intel's C compiler understands `-MD -MF file'. However on |
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| 218 | # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
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| 219 | # ICC 7.0 will fill foo.d with something like |
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| 220 | # foo.o: sub/foo.c |
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| 221 | # foo.o: sub/foo.h |
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| 222 | # which is wrong. We want: |
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| 223 | # sub/foo.o: sub/foo.c |
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| 224 | # sub/foo.o: sub/foo.h |
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| 225 | # sub/foo.c: |
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| 226 | # sub/foo.h: |
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| 227 | # ICC 7.1 will output |
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| 228 | # foo.o: sub/foo.c sub/foo.h |
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| 229 | # and will wrap long lines using \ : |
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| 230 | # foo.o: sub/foo.c ... \ |
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| 231 | # sub/foo.h ... \ |
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| 232 | # ... |
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| 233 | |
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| 234 | "$@" -MD -MF "$tmpdepfile" |
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| 235 | stat=$? |
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| 236 | if test $stat -eq 0; then : |
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| 237 | else |
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| 238 | rm -f "$tmpdepfile" |
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| 239 | exit $stat |
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| 240 | fi |
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| 241 | rm -f "$depfile" |
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| 242 | # Each line is of the form `foo.o: dependent.h', |
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| 243 | # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
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| 244 | # Do two passes, one to just change these to |
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| 245 | # `$object: dependent.h' and one to simply `dependent.h:'. |
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| 246 | sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
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| 247 | # Some versions of the HPUX 10.20 sed can't process this invocation |
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| 248 | # correctly. Breaking it into two sed invocations is a workaround. |
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| 249 | sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
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| 250 | sed -e 's/$/ :/' >> "$depfile" |
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| 251 | rm -f "$tmpdepfile" |
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| 252 | ;; |
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| 253 | |
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[18798] | 254 | tru64) |
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| 255 | # The Tru64 compiler uses -MD to generate dependencies as a side |
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| 256 | # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
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| 257 | # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
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| 258 | # dependencies in `foo.d' instead, so we check for that too. |
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| 259 | # Subdirectories are respected. |
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| 260 | dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
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| 261 | test "x$dir" = "x$object" && dir= |
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| 262 | base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` |
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| 263 | |
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| 264 | if test "$libtool" = yes; then |
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| 265 | tmpdepfile1="$dir.libs/$base.lo.d" |
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| 266 | tmpdepfile2="$dir.libs/$base.d" |
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| 267 | "$@" -Wc,-MD |
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| 268 | else |
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| 269 | tmpdepfile1="$dir$base.o.d" |
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| 270 | tmpdepfile2="$dir$base.d" |
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| 271 | "$@" -MD |
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| 272 | fi |
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| 273 | |
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| 274 | stat=$? |
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| 275 | if test $stat -eq 0; then : |
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| 276 | else |
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| 277 | rm -f "$tmpdepfile1" "$tmpdepfile2" |
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| 278 | exit $stat |
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| 279 | fi |
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| 280 | |
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| 281 | if test -f "$tmpdepfile1"; then |
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| 282 | tmpdepfile="$tmpdepfile1" |
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| 283 | else |
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| 284 | tmpdepfile="$tmpdepfile2" |
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| 285 | fi |
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| 286 | if test -f "$tmpdepfile"; then |
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| 287 | sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
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[20963] | 288 | # That's a tab and a space in the []. |
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| 289 | sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
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[18798] | 290 | else |
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| 291 | echo "#dummy" > "$depfile" |
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| 292 | fi |
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| 293 | rm -f "$tmpdepfile" |
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| 294 | ;; |
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| 295 | |
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| 296 | #nosideeffect) |
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| 297 | # This comment above is used by automake to tell side-effect |
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| 298 | # dependency tracking mechanisms from slower ones. |
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| 299 | |
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| 300 | dashmstdout) |
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| 301 | # Important note: in order to support this mode, a compiler *must* |
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[20963] | 302 | # always write the preprocessed file to stdout, regardless of -o. |
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[18798] | 303 | "$@" || exit $? |
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| 304 | |
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| 305 | # Remove the call to Libtool. |
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| 306 | if test "$libtool" = yes; then |
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| 307 | while test $1 != '--mode=compile'; do |
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| 308 | shift |
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| 309 | done |
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| 310 | shift |
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| 311 | fi |
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| 312 | |
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[20963] | 313 | # Remove `-o $object'. |
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[18798] | 314 | IFS=" " |
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| 315 | for arg |
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| 316 | do |
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| 317 | case $arg in |
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| 318 | -o) |
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| 319 | shift |
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| 320 | ;; |
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| 321 | $object) |
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| 322 | shift |
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| 323 | ;; |
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| 324 | *) |
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| 325 | set fnord "$@" "$arg" |
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| 326 | shift # fnord |
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| 327 | shift # $arg |
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| 328 | ;; |
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| 329 | esac |
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| 330 | done |
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| 331 | |
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| 332 | test -z "$dashmflag" && dashmflag=-M |
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[20963] | 333 | # Require at least two characters before searching for `:' |
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| 334 | # in the target name. This is to cope with DOS-style filenames: |
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| 335 | # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
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| 336 | "$@" $dashmflag | |
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| 337 | sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
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[18798] | 338 | rm -f "$depfile" |
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| 339 | cat < "$tmpdepfile" > "$depfile" |
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| 340 | tr ' ' ' |
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| 341 | ' < "$tmpdepfile" | \ |
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| 342 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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| 343 | ## correctly. Breaking it into two sed invocations is a workaround. |
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| 344 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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| 345 | rm -f "$tmpdepfile" |
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| 346 | ;; |
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| 347 | |
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| 348 | dashXmstdout) |
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| 349 | # This case only exists to satisfy depend.m4. It is never actually |
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| 350 | # run, as this mode is specially recognized in the preamble. |
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| 351 | exit 1 |
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| 352 | ;; |
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| 353 | |
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| 354 | makedepend) |
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| 355 | "$@" || exit $? |
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[20963] | 356 | # Remove any Libtool call |
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| 357 | if test "$libtool" = yes; then |
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| 358 | while test $1 != '--mode=compile'; do |
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| 359 | shift |
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| 360 | done |
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| 361 | shift |
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| 362 | fi |
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[18798] | 363 | # X makedepend |
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| 364 | shift |
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| 365 | cleared=no |
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| 366 | for arg in "$@"; do |
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| 367 | case $cleared in |
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| 368 | no) |
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| 369 | set ""; shift |
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| 370 | cleared=yes ;; |
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| 371 | esac |
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| 372 | case "$arg" in |
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| 373 | -D*|-I*) |
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| 374 | set fnord "$@" "$arg"; shift ;; |
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[20963] | 375 | # Strip any option that makedepend may not understand. Remove |
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| 376 | # the object too, otherwise makedepend will parse it as a source file. |
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| 377 | -*|$object) |
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[18798] | 378 | ;; |
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| 379 | *) |
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| 380 | set fnord "$@" "$arg"; shift ;; |
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| 381 | esac |
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| 382 | done |
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| 383 | obj_suffix="`echo $object | sed 's/^.*\././'`" |
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| 384 | touch "$tmpdepfile" |
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| 385 | ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
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| 386 | rm -f "$depfile" |
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| 387 | cat < "$tmpdepfile" > "$depfile" |
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| 388 | sed '1,2d' "$tmpdepfile" | tr ' ' ' |
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| 389 | ' | \ |
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| 390 | ## Some versions of the HPUX 10.20 sed can't process this invocation |
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| 391 | ## correctly. Breaking it into two sed invocations is a workaround. |
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| 392 | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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| 393 | rm -f "$tmpdepfile" "$tmpdepfile".bak |
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| 394 | ;; |
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| 395 | |
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| 396 | cpp) |
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| 397 | # Important note: in order to support this mode, a compiler *must* |
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[20963] | 398 | # always write the preprocessed file to stdout. |
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[18798] | 399 | "$@" || exit $? |
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| 400 | |
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| 401 | # Remove the call to Libtool. |
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| 402 | if test "$libtool" = yes; then |
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| 403 | while test $1 != '--mode=compile'; do |
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| 404 | shift |
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| 405 | done |
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| 406 | shift |
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| 407 | fi |
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| 408 | |
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| 409 | # Remove `-o $object'. |
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| 410 | IFS=" " |
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| 411 | for arg |
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| 412 | do |
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| 413 | case $arg in |
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| 414 | -o) |
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| 415 | shift |
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| 416 | ;; |
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| 417 | $object) |
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| 418 | shift |
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| 419 | ;; |
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| 420 | *) |
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| 421 | set fnord "$@" "$arg" |
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| 422 | shift # fnord |
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| 423 | shift # $arg |
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| 424 | ;; |
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| 425 | esac |
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| 426 | done |
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| 427 | |
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| 428 | "$@" -E | |
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| 429 | sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | |
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| 430 | sed '$ s: \\$::' > "$tmpdepfile" |
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| 431 | rm -f "$depfile" |
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| 432 | echo "$object : \\" > "$depfile" |
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| 433 | cat < "$tmpdepfile" >> "$depfile" |
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| 434 | sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" |
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| 435 | rm -f "$tmpdepfile" |
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| 436 | ;; |
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| 437 | |
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| 438 | msvisualcpp) |
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| 439 | # Important note: in order to support this mode, a compiler *must* |
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[20963] | 440 | # always write the preprocessed file to stdout, regardless of -o, |
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[18798] | 441 | # because we must use -o when running libtool. |
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| 442 | "$@" || exit $? |
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| 443 | IFS=" " |
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| 444 | for arg |
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| 445 | do |
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| 446 | case "$arg" in |
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| 447 | "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") |
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| 448 | set fnord "$@" |
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| 449 | shift |
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| 450 | shift |
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| 451 | ;; |
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| 452 | *) |
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| 453 | set fnord "$@" "$arg" |
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| 454 | shift |
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| 455 | shift |
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| 456 | ;; |
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| 457 | esac |
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| 458 | done |
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| 459 | "$@" -E | |
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| 460 | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" |
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| 461 | rm -f "$depfile" |
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| 462 | echo "$object : \\" > "$depfile" |
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| 463 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
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| 464 | echo " " >> "$depfile" |
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| 465 | . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
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| 466 | rm -f "$tmpdepfile" |
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| 467 | ;; |
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| 468 | |
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| 469 | none) |
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| 470 | exec "$@" |
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| 471 | ;; |
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| 472 | |
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| 473 | *) |
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| 474 | echo "Unknown depmode $depmode" 1>&2 |
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| 475 | exit 1 |
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| 476 | ;; |
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| 477 | esac |
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| 478 | |
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| 479 | exit 0 |
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