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#! /bin/sh

# depcomp - compile a program generating dependencies as side-effects

scriptversion=2012-03-27.16; # UTC

# 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

# the Free Software Foundation; either version 2, or (at your option)

# any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

# As a special exception to the GNU General Public License, if you

# distribute this file as part of a program that contains a

# configuration script generated by Autoconf, you may include it under

# the same distribution terms that you use for the rest of that program.

# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.

case $1 in

'')

echo "$0: No command. Try '$0 --help' for more information." 1>&2

exit 1;

;;

-h | --h*)

cat <<\EOF

Usage: depcomp [--help] [--version] PROGRAM [ARGS]

Run PROGRAMS ARGS to compile a file, generating dependencies

as side-effects.

Environment variables:

depmode Dependency tracking mode.

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 outputting dependencies.

libtool Whether libtool is used (yes/no).

Report bugs to <bug-automake@gnu.org>.

EOF

exit $?

;;

-v | --v*)

echo "depcomp $scriptversion"

exit $?

;;

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

# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.

depfile=${depfile-`echo "$object" |

sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.$[^.]*$$|.P\1|;s|Pobj$|Po|'`}

tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.$[^.]*$$/.T\1/'`}

rm -f "$tmpdepfile"

# Some modes work just like other modes, but use different flags. We

# parameterize here, but still list the modes in the big case below,

# to make depend.m4 easier to write. Note that we *cannot* use a case

# here, because this file can only contain one case statement.

if test "$depmode" = hp; then

# HP compiler uses -M and no extra arg.

gccflag=-M

depmode=gcc

if test "$depmode" = dashXmstdout; then

# This is just like dashmstdout with a different argument.

dashmflag=-xM

depmode=dashmstdout

cygpath_u="cygpath -u -f -"

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'

depmode=msvisualcpp

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

if test "$depmode" = xlc; then

# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.

gccflag=-qmakedep=gcc,-MF

depmode=gcc

case "$depmode" in

gcc3)

## gcc 3 implements dependency tracking that does exactly what

## we want. Yay! Note: for some reason libtool 1.4 doesn't like

## it if -MD -MP comes after the -MF stuff. Hmm.

## Unfortunately, FreeBSD c89 acceptance of flags depends upon

## the command line argument order; so add the flags where they

## appear in depend2.am. Note that the slowdown incurred here

## affects only configure: in makefiles, %FASTDEP% shortcuts this.

for arg

case $arg in

-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;

*) set fnord "$@" "$arg" ;;

esac

shift # fnord

shift # $arg

done

"$@"

stat=$?

if test $stat -eq 0; then :

else

rm -f "$tmpdepfile"

exit $stat

mv "$tmpdepfile" "$depfile"

;;

gcc)

## There are various ways to get dependency output from gcc. Here's

## why we pick this rather obscure method:

## - Don't want to use -MD because we'd like the dependencies to end

## up in a subdir. Having to rename by hand is ugly.

## (We might end up doing this anyway to support other compilers.)

## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like

## -MM, not -M (despite what the docs say).

## - Using -M directly means running the compiler twice (even worse

## than renaming).

if test -z "$gccflag"; then

gccflag=-MD,

"$@" -Wp,"$gccflag$tmpdepfile"

stat=$?

if test $stat -eq 0; then :

els 8000 e

rm -f "$tmpdepfile"

exit $stat

rm -f "$depfile"

echo "$object : \\" > "$depfile"

alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz

## 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.

## 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 ' ' "$nl" < "$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. 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 '/^$/d' -e "s|.*$object$||" -e '/:$/d' \

| sed -e 's/$/ :/' >> "$depfile"

rm -f "$tmpdepfile"

;;

hp)

# 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

;;

sgi)

if test "$libtool" = yes; then

"$@" "-Wp,-MDupdate,$tmpdepfile"

else

"$@" -MDupdate "$tmpdepfile"

stat=$?

if test $stat -eq 0; then :

else

rm -f "$tmpdepfile"

exit $stat

rm -f "$depfile"

if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files

echo "$object : \\" > "$depfile"

# Clip off the initial element (the dependent). Don't try to be

# 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

# dependency line.

tr ' ' "$nl" < "$tmpdepfile" \

| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \

tr "$nl" ' ' >> "$depfile"

echo >> "$depfile"

# The second pass generates a dummy entry for each header file.

tr ' ' "$nl" < "$tmpdepfile" \

| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \

>> "$depfile"

else

# The sourcefile does not contain any dependencies, so just

# store a dummy comment line, to avoid errors with the Makefile

# "include basename.Plo" scheme.

echo "#dummy" > "$depfile"

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

# start of each line; $object doesn't have directory information.

# Version 6 uses the directory in both cases.

dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`

test "x$dir" = "x$object" && dir=

base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`

if test "$libtool" = yes; then

tmpdepfile1=$dir$base.u

tmpdepfile2=$base.u

tmpdepfile3=$dir.libs/$base.u

"$@" -Wc,-M

else

tmpdepfile1=$dir$base.u

tmpdepfile2=$dir$base.u

tmpdepfile3=$dir$base.u

"$@" -M

stat=$?

if test $stat -eq 0; then :

else

rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"

exit $stat

for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"

test -f "$tmpdepfile" && break

done

if test -f "$tmpdepfile"; then

# 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:'.

sed -e "s,^.*\.[a-z]*:,$object:," < "$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

# "include basename.Plo" scheme.

echo "#dummy" > "$depfile"

rm -f "$tmpdepfile"

;;

icc)

# 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

# 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 '\':

# 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 :

else

rm -f "$tmpdepfile"

exit $stat

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 \'.

# Do two passes, one to just change these to

# '$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"

;;

hp2)

# The "hp" stanza above does not work with aCC (C++) and HP's ia64

# compilers, which have integrated preprocessors. The correct option

# to use with these is +Maked; it writes dependencies to a file named

# 'foo.d', which lands next to the object file, wherever that

# happens to be.

# Much of this is similar to the tru64 case; see comments there.

dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`

test "x$dir" = "x$object" && dir=

base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`

if test "$libtool" = yes; then

tmpdepfile1=$dir$base.d

tmpdepfile2=$dir.libs/$base.d

"$@" -Wc,+Maked

else

tmpdepfile1=$dir$base.d

tmpdepfile2=$dir$base.d

"$@" +Maked

stat=$?

if test $stat -eq 0; then :

else

rm -f "$tmpdepfile1" "$tmpdepfile2"

exit $stat

for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"

test -f "$tmpdepfile" && break

done

if test -f "$tmpdepfile"; then

sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"

# Add 'dependent.h:' lines.

sed -ne '2,${

s/^ *//

s/ \\*$//

s/$/:/

}' "$tmpdepfile" >> "$depfile"

else

echo "#dummy" > "$depfile"

rm -f "$tmpdepfile" "$tmpdepfile2"

;;

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'.

# 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.

# Subdirectories are respected.

dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`

test "x$dir" = "x$object" && dir=

base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`

if test "$libtool" = yes; then

# With Tru64 cc, shared objects can also be used to make a

# static library. This mechanism is used in libtool 1.4 series to

# handle both shared and static libraries in a single compilation.

# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.

# With libtool 1.5 this exception was removed, and libtool now

# generates 2 separate objects for the 2 libraries. These two

# compilations output dependencies in $dir.libs/$base.o.d and

# in $dir$base.o.d. We have to check for both files, because

# one of the two compilations can be disabled. We should prefer

# $dir$base.o.d over $dir.libs/$base.o.d because the latter is

# automatically cleaned when .libs/ is deleted, while ignoring

# the former would cause a distcleancheck panic.

tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4

tmpdepfile2=$dir$base.o.d # libtool 1.5

tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5

tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504

"$@" -Wc,-MD

else

tmpdepfile1=$dir$base.o.d

tmpdepfile2=$dir$base.d

tmpdepfile3=$dir$base.d

tmpdepfile4=$dir$base.d

"$@" -MD

stat=$?

if test $stat -eq 0; then :

else

rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"

exit $stat

for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"

test -f "$tmpdepfile" && break

done

if test -f "$tmpdepfile"; then

sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"

sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"

else

echo "#dummy" > "$depfile"

rm -f "$tmpdepfile"

;;

msvc7)

if test "$libtool" = yes; then

showIncludes=-Wc,-showIncludes

else

showIncludes=-showIncludes

"$@" $showIncludes > "$tmpdepfile"

stat=$?

grep -v '^Note: including file: ' "$tmpdepfile"

if test "$stat" = 0; then :

else

rm -f "$tmpdepfile"

exit $stat

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

}' | $cygpath_u | sort -u | sed -n '

s/ /\\ /g

s/$.*$/'"$tab"'\1 \\/p

s/.$.*$ \\/\1:/

$ {

s/.*/'"$tab"'/

}' >> "$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.

dashmstdout)

# Important note: in order to support this mode, a compiler *must*

# always write the preprocessed file to stdout, regardless of -o.

"$@" || exit $?

# Remove the call to Libtool.

if test "$libtool" = yes; then

while test "X$1" != 'X--mode=compile'; do

shift

done

shift

# Remove '-o $object'.

IFS=" "

for arg

case $arg in

-o)

shift

;;

$object)

shift

;;

set fnord "$@" "$arg"

shift # fnord

shift # $arg

;;

esac

done

test -z "$dashmflag" && dashmflag=-M

# 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.

"$@" $dashmflag |

sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"

rm -f "$depfile"

cat < "$tmpdepfile" > "$depfile"

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"

rm -f "$tmpdepfile"

;;

dashXmstdout)

# This case only exists to satisfy depend.m4. It is never actually

# run, as this mode is specially recognized in the preamble.

exit 1

;;

makedepend)

"$@" || exit $?

# Remove any Libtool call

if test "$libtool" = yes; then

while test "X$1" != 'X--mode=compile'; do

shift

done

shift

# X makedepend

shift

cleared=no eat=no

for arg

case $cleared in

no)

set ""; shift

cleared=yes ;;

esac

if test $eat = yes; then

eat=no

continue

case "$arg" in

-D*|-I*)

set fnord "$@" "$arg"; shift ;;

# Strip any option that makedepend may not understand. Remove

# the object too, otherwise makedepend will parse it as a source file.

-arch)

eat=yes ;;

-*|$object)

;;

set fnord "$@" "$arg"; shift ;;

esac

done

obj_suffix=`echo "$object" | sed 's/^.*\././'`

touch "$tmpdepfile"

${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"

rm -f "$depfile"

# 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"

rm -f "$tmpdepfile" "$tmpdepfile".bak

;;

cpp)

# Important note: in order to support this mode, a compiler *must*

# always write the preprocessed file to stdout.

"$@" || exit $?

# Remove the call to Libtool.

if test "$libtool" = yes; then

while test "X$1" != 'X--mode=compile'; do

shift

done

shift

# Remove '-o $object'.

IFS=" "

for arg

case $arg in

-o)

shift

;;

$object)

shift

;;

set fnord "$@" "$arg"

shift # fnord

shift # $arg

;;

esac

done

"$@" -E |

sed -n -e '/^# [0-9][0-9]* "$[^"]*$".*/ s:: \1 \\:p' \

-e '/^#line [0-9][0-9]* "$[^"]*$".*/ s:: \1 \\:p' |

sed '$ s: \\$::' > "$tmpdepfile"

rm -f "$depfile"

echo "$object : \\" > "$depfile"

cat < "$tmpdepfile" >> "$depfile"

sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"

rm -f "$tmpdepfile"

;;

msvisualcpp)

# Important note: in order to support this mode, a compiler *must*

# always write the preprocessed file to stdout.

"$@" || exit $?

# Remove the call to Libtool.

if test "$libtool" = yes; then

while test "X$1" != 'X--mode=compile'; do

shift

done

shift

IFS=" "

for arg

case "$arg" in

-o)

shift

;;

$object)

shift

;;

"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")

set fnord "$@"

shift

;;

set fnord "$@" "$arg"

shift

;;

esac

done

"$@" -E 2>/dev/null |

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::'"$tab"'\1 \\:p' >> "$depfile"

echo "$tab" >> "$depfile"

sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^$.*$$/ s::\1\::p' >> "$depfile"

rm -f "$tmpdepfile"

;;

msvcmsys)

# 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

;;

none)

exec "$@"

;;

echo "Unknown depmode $depmode" 1>&2

exit 1

;;

esac

exit 0

# Local Variables:

# mode: shell-script

# sh-indentation: 2

# eval: (add-hook 'write-file-hooks 'time-stamp)

# time-stamp-start: "scriptversion="

# time-stamp-format: "%:y-%02m-%02d.%02H"

# time-stamp-time-zone: "UTC"

# time-stamp-end: "; # UTC"

# End:

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