diff options
| author | Russ Allbery <rra@stanford.edu> | 2013-03-27 15:19:46 -0700 | 
|---|---|---|
| committer | Russ Allbery <rra@stanford.edu> | 2013-03-27 15:19:46 -0700 | 
| commit | 6871bae8e26beadaff5035de56b4f70a78961dc9 (patch) | |
| tree | 366943055e3db5c26a9415d1d2ea1486054e8177 /build-aux/depcomp | |
| parent | 61c348a8cc08e90c73993e09dc175b44c5a65681 (diff) | |
| parent | 06c44c9eb5efb00bb9368ed3709106c91b0b36b5 (diff) | |
Imported Upstream version 1.0
Diffstat (limited to 'build-aux/depcomp')
| -rwxr-xr-x | build-aux/depcomp | 190 | 
1 files changed, 134 insertions, 56 deletions
| diff --git a/build-aux/depcomp b/build-aux/depcomp index df8eea7..25a39e6 100755 --- a/build-aux/depcomp +++ b/build-aux/depcomp @@ -1,10 +1,10 @@  #! /bin/sh  # depcomp - compile a program generating dependencies as side-effects -scriptversion=2009-04-28.21; # UTC +scriptversion=2012-03-27.16; # UTC -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free -# Software Foundation, Inc. +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010, +# 2011, 2012 Free Software Foundation, Inc.  # This program is free software; you can redistribute it and/or modify  # it under the terms of the GNU General Public License as published by @@ -28,7 +28,7 @@ scriptversion=2009-04-28.21; # UTC  case $1 in    '') -     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2 +     echo "$0: No command.  Try '$0 --help' for more information." 1>&2       exit 1;       ;;    -h | --h*) @@ -40,11 +40,11 @@ as side-effects.  Environment variables:    depmode     Dependency tracking mode. -  source      Source file read by `PROGRAMS ARGS'. -  object      Object file output by `PROGRAMS ARGS'. +  source      Source file read by 'PROGRAMS ARGS'. +  object      Object file output by 'PROGRAMS ARGS'.    DEPDIR      directory where to store dependencies.    depfile     Dependency file to output. -  tmpdepfile  Temporary file to use when outputing dependencies. +  tmpdepfile  Temporary file to use when outputting dependencies.    libtool     Whether libtool is used (yes/no).  Report bugs to <bug-automake@gnu.org>. @@ -57,6 +57,12 @@ EOF      ;;  esac +# A tabulation character. +tab='	' +# A newline character. +nl=' +' +  if test -z "$depmode" || test -z "$source" || test -z "$object"; then    echo "depcomp: Variables source, object and depmode must be set" 1>&2    exit 1 @@ -90,10 +96,24 @@ if test "$depmode" = msvcmsys; then     # This is just like msvisualcpp but w/o cygpath translation.     # Just convert the backslash-escaped backslashes to single forward     # slashes to satisfy depend.m4 -   cygpath_u="sed s,\\\\\\\\,/,g" +   cygpath_u='sed s,\\\\,/,g'     depmode=msvisualcpp  fi +if test "$depmode" = msvc7msys; then +   # This is just like msvc7 but w/o cygpath translation. +   # Just convert the backslash-escaped backslashes to single forward +   # slashes to satisfy depend.m4 +   cygpath_u='sed s,\\\\,/,g' +   depmode=msvc7 +fi + +if test "$depmode" = xlc; then +   # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations. +   gccflag=-qmakedep=gcc,-MF +   depmode=gcc +fi +  case "$depmode" in  gcc3)  ## gcc 3 implements dependency tracking that does exactly what @@ -148,20 +168,21 @@ gcc)  ## The second -e expression handles DOS-style file names with drive letters.    sed -e 's/^[^:]*: / /' \        -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" -## This next piece of magic avoids the `deleted header file' problem. +## This next piece of magic avoids the "deleted header file" problem.  ## The problem is that when a header file which appears in a .P file  ## is deleted, the dependency causes make to die (because there is  ## typically no way to rebuild the header).  We avoid this by adding  ## dummy dependencies for each header file.  Too bad gcc doesn't do  ## this for us directly. -  tr ' ' ' -' < "$tmpdepfile" | -## Some versions of gcc put a space before the `:'.  On the theory +  tr ' ' "$nl" < "$tmpdepfile" | +## Some versions of gcc put a space before the ':'.  On the theory  ## that the space means something, we add a space to the output as -## well. +## well.  hp depmode also adds that space, but also prefixes the VPATH +## to the object.  Take care to not repeat it in the output.  ## Some versions of the HPUX 10.20 sed can't process this invocation  ## correctly.  Breaking it into two sed invocations is a workaround. -    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" +    sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ +      | sed -e 's/$/ :/' >> "$depfile"    rm -f "$tmpdepfile"    ;; @@ -193,18 +214,15 @@ sgi)      # clever and replace this with sed code, as IRIX sed won't handle      # lines with more than a fixed number of characters (4096 in      # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines; -    # the IRIX cc adds comments like `#:fec' to the end of the +    # the IRIX cc adds comments like '#:fec' to the end of the      # dependency line. -    tr ' ' ' -' < "$tmpdepfile" \ +    tr ' ' "$nl" < "$tmpdepfile" \      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ -    tr ' -' ' ' >> "$depfile" +    tr "$nl" ' ' >> "$depfile"      echo >> "$depfile"      # The second pass generates a dummy entry for each header file. -    tr ' ' ' -' < "$tmpdepfile" \ +    tr ' ' "$nl" < "$tmpdepfile" \     | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \     >> "$depfile"    else @@ -216,10 +234,17 @@ sgi)    rm -f "$tmpdepfile"    ;; +xlc) +  # This case exists only to let depend.m4 do its work.  It works by +  # looking at the text of this script.  This case will never be run, +  # since it is checked for above. +  exit 1 +  ;; +  aix)    # The C for AIX Compiler uses -M and outputs the dependencies    # in a .u file.  In older versions, this file always lives in the -  # current directory.  Also, the AIX compiler puts `$object:' at the +  # current directory.  Also, the AIX compiler puts '$object:' at the    # start of each line; $object doesn't have directory information.    # Version 6 uses the directory in both cases.    dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` @@ -249,12 +274,11 @@ aix)      test -f "$tmpdepfile" && break    done    if test -f "$tmpdepfile"; then -    # Each line is of the form `foo.o: dependent.h'. +    # Each line is of the form 'foo.o: dependent.h'.      # Do two passes, one to just change these to -    # `$object: dependent.h' and one to simply `dependent.h:'. +    # '$object: dependent.h' and one to simply 'dependent.h:'.      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" -    # That's a tab and a space in the []. -    sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" +    sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"    else      # The sourcefile does not contain any dependencies, so just      # store a dummy comment line, to avoid errors with the Makefile @@ -265,23 +289,26 @@ aix)    ;;  icc) -  # Intel's C compiler understands `-MD -MF file'.  However on -  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c +  # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. +  # However on +  #    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c    # ICC 7.0 will fill foo.d with something like    #    foo.o: sub/foo.c    #    foo.o: sub/foo.h -  # which is wrong.  We want: +  # which is wrong.  We want    #    sub/foo.o: sub/foo.c    #    sub/foo.o: sub/foo.h    #    sub/foo.c:    #    sub/foo.h:    # ICC 7.1 will output    #    foo.o: sub/foo.c sub/foo.h -  # and will wrap long lines using \ : +  # and will wrap long lines using '\':    #    foo.o: sub/foo.c ... \    #     sub/foo.h ... \    #     ... - +  # tcc 0.9.26 (FIXME still under development at the moment of writing) +  # will emit a similar output, but also prepend the continuation lines +  # with horizontal tabulation characters.    "$@" -MD -MF "$tmpdepfile"    stat=$?    if test $stat -eq 0; then : @@ -290,15 +317,21 @@ icc)      exit $stat    fi    rm -f "$depfile" -  # Each line is of the form `foo.o: dependent.h', -  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. +  # Each line is of the form 'foo.o: dependent.h', +  # or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.    # Do two passes, one to just change these to -  # `$object: dependent.h' and one to simply `dependent.h:'. -  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" -  # Some versions of the HPUX 10.20 sed can't process this invocation -  # correctly.  Breaking it into two sed invocations is a workaround. -  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | -    sed -e 's/$/ :/' >> "$depfile" +  # '$object: dependent.h' and one to simply 'dependent.h:'. +  sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \ +    < "$tmpdepfile" > "$depfile" +  sed ' +    s/[ '"$tab"'][ '"$tab"']*/ /g +    s/^ *// +    s/ *\\*$// +    s/^[^:]*: *// +    /^$/d +    /:$/d +    s/$/ :/ +  ' < "$tmpdepfile" >> "$depfile"    rm -f "$tmpdepfile"    ;; @@ -334,7 +367,7 @@ hp2)    done    if test -f "$tmpdepfile"; then      sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" -    # Add `dependent.h:' lines. +    # Add 'dependent.h:' lines.      sed -ne '2,${  	       s/^ *//  	       s/ \\*$// @@ -349,9 +382,9 @@ hp2)  tru64)     # The Tru64 compiler uses -MD to generate dependencies as a side -   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. +   # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.     # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put -   # dependencies in `foo.d' instead, so we check for that too. +   # dependencies in 'foo.d' instead, so we check for that too.     # Subdirectories are respected.     dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`     test "x$dir" = "x$object" && dir= @@ -397,14 +430,59 @@ tru64)     done     if test -f "$tmpdepfile"; then        sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" -      # That's a tab and a space in the []. -      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" +      sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"     else        echo "#dummy" > "$depfile"     fi     rm -f "$tmpdepfile"     ;; +msvc7) +  if test "$libtool" = yes; then +    showIncludes=-Wc,-showIncludes +  else +    showIncludes=-showIncludes +  fi +  "$@" $showIncludes > "$tmpdepfile" +  stat=$? +  grep -v '^Note: including file: ' "$tmpdepfile" +  if test "$stat" = 0; then : +  else +    rm -f "$tmpdepfile" +    exit $stat +  fi +  rm -f "$depfile" +  echo "$object : \\" > "$depfile" +  # The first sed program below extracts the file names and escapes +  # backslashes for cygpath.  The second sed program outputs the file +  # name when reading, but also accumulates all include files in the +  # hold buffer in order to output them again at the end.  This only +  # works with sed implementations that can handle large buffers. +  sed < "$tmpdepfile" -n ' +/^Note: including file:  *\(.*\)/ { +  s//\1/ +  s/\\/\\\\/g +  p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { +  s/.*/'"$tab"'/ +  G +  p +}' >> "$depfile" +  rm -f "$tmpdepfile" +  ;; + +msvc7msys) +  # This case exists only to let depend.m4 do its work.  It works by +  # looking at the text of this script.  This case will never be run, +  # since it is checked for above. +  exit 1 +  ;; +  #nosideeffect)    # This comment above is used by automake to tell side-effect    # dependency tracking mechanisms from slower ones. @@ -422,7 +500,7 @@ dashmstdout)      shift    fi -  # Remove `-o $object'. +  # Remove '-o $object'.    IFS=" "    for arg    do @@ -442,15 +520,14 @@ dashmstdout)    done    test -z "$dashmflag" && dashmflag=-M -  # Require at least two characters before searching for `:' +  # Require at least two characters before searching for ':'    # in the target name.  This is to cope with DOS-style filenames: -  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. +  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.    "$@" $dashmflag | -    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile" +    sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"    rm -f "$depfile"    cat < "$tmpdepfile" > "$depfile" -  tr ' ' ' -' < "$tmpdepfile" | \ +  tr ' ' "$nl" < "$tmpdepfile" | \  ## Some versions of the HPUX 10.20 sed can't process this invocation  ## correctly.  Breaking it into two sed invocations is a workaround.      sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" @@ -503,9 +580,10 @@ makedepend)    touch "$tmpdepfile"    ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"    rm -f "$depfile" -  cat < "$tmpdepfile" > "$depfile" -  sed '1,2d' "$tmpdepfile" | tr ' ' ' -' | \ +  # makedepend may prepend the VPATH from the source file name to the object. +  # No need to regex-escape $object, excess matching of '.' is harmless. +  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" +  sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \  ## Some versions of the HPUX 10.20 sed can't process this invocation  ## correctly.  Breaking it into two sed invocations is a workaround.      sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" @@ -525,7 +603,7 @@ cpp)      shift    fi -  # Remove `-o $object'. +  # Remove '-o $object'.    IFS=" "    for arg    do @@ -594,8 +672,8 @@ msvisualcpp)    sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"    rm -f "$depfile"    echo "$object : \\" > "$depfile" -  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile" -  echo "	" >> "$depfile" +  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" +  echo "$tab" >> "$depfile"    sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"    rm -f "$tmpdepfile"    ;; | 
