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! /bin/sh

depcomp - compile a program generating dependencies as side-effects

scriptversion=2007-03-29.01

Copyright © 1999, 2000, 2003, 2004, 2005, 2006, 2007 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, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301, USA.

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 byPROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no).

Report bugs to bug-automake@gnu.org. EOF exit $? ;; -v | –v*) echo “depcomp $scriptversion” exit $? ;; esac

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 fi

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 fi

if test “$depmode” = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi

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 do 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 $stat fi mv “$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 “$gccflag”; then gccflag=-MD, fi “$@” -Wp,“$gccflag$tmpdepfile” stat=$? if test $stat -eq 0; then : else rm -f “$tmpdepfile” exit $stat fi rm -f “$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 ‘ ’ ‘ ’ < “$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.

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” ;;

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 “$tmpdepfile” fi stat=$? if test $stat -eq 0; then : else rm -f “$tmpdepfile” exit $stat fi rm -f “$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 ' ' '

‘ < “$tmpdepfile” \ | sed -e ’s/^..o://’ -e ’s/#.$//‘ -e ’/^$/ d' | \ tr ‘ ’ ‘ ’ >> $depfile echo >> $depfile

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

‘ < “$tmpdepfile” \ | sed -e ’s/^..o://’ -e ’s/#.$//‘ -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” fi rm -f “$tmpdepfile” ;;

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 fi stat=$?

if test $stat -eq 0; then : else rm -f “$tmpdepfile1” “$tmpdepfile2” “$tmpdepfile3” exit $stat fi

for tmpdepfile in “$tmpdepfile1” “$tmpdepfile2” “$tmpdepfile3” do test -f “$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” > “$depfile” # That’s a tab and a space in the []. sed -e ’s,^..[a-z]:[ ]*,,’ -e ’s,$,:,‘ < “$tmpdepfile” >> “$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” > “$depfile” fi rm -f “$tmpdepfile” ;;

icc) # Intel’s C compiler understands `-MD -MF file'. However on # icc -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 … \ # …

“$@” -MD -MF “$tmpdepfile” stat=$? if test $stat -eq 0; then : else rm -f “$tmpdepfile” exit $stat fi rm -f “$depfile” # Each line is of the form foo.o: dependent.h', # orfoo.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” 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 fi stat=$? if test $stat -eq 0; then : else rm -f “$tmpdepfile1” “$tmpdepfile2” exit $stat fi

for tmpdepfile in “$tmpdepfile1” “$tmpdepfile2” do 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/$/:/; p;}’ “$tmpdepfile” >> “$depfile” else echo “#dummy” > “$depfile” fi 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 intofoo.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 fi

stat=$? if test $stat -eq 0; then : else rm -f “$tmpdepfile1” “$tmpdepfile2” “$tmpdepfile3” “$tmpdepfile4” exit $stat fi

for tmpdepfile in “$tmpdepfile1” “$tmpdepfile2” “$tmpdepfile3” “$tmpdepfile4” do test -f “$tmpdepfile” && break done if test -f “$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” else echo “#dummy” > “$depfile” fi rm -f “$tmpdepfile” ;;

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 $1 != ‘–mode=compile’; do shift done shift fi

# Remove `-o $object'. IFS=“ ” for arg do case $arg in -o) shift ;; $object) shift ;; *) set fnord “$@” “$arg” shift # fnord shift # $arg ;; esac done

test -z “$dashmflag” && dashmflag=-M # Require at least two characters before searching for :' # in the target name. This is to cope with DOS-style filenames: # a dependency such asc:/foo/bar' could be seen as target `c' otherwise. “$@” $dashmflag | sed ’s:^[ ][^: ][^:][^:]:[ ]*:‘“$object”’: :‘ > “$tmpdepfile” rm -f “$depfile” cat < “$tmpdepfile” > “$depfile” tr ’ ‘ ’ ‘ < “$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 $1 != ‘–mode=compile’; do shift done shift fi # X makedepend shift cleared=no for arg in “$@”; do case $cleared in no) set “”; shift cleared=yes ;; esac case “$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. -|$object) ;; ) set fnord “$@” “$arg”; shift ;; esac done obj_suffix=“echo $object | sed 's/^.*\././'” touch “$tmpdepfile” ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" “$@” rm -f “$depfile” cat < “$tmpdepfile” > “$depfile” sed ‘1,2d’ “$tmpdepfile” | tr ‘ ’ ‘ ’ | \

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 $1 != ‘–mode=compile’; do shift done shift fi

# Remove `-o $object'. IFS=“ ” for arg do 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, regardless of -o, # because we must use -o when running libtool. “$@” || exit $? IFS=“ ” for arg do case “$arg” in “-Gm”|“/Gm”|“-Gi”|“/Gi”|“-ZI”|“/ZI”) set fnord “$@” shift shift ;; ) set fnord “$@” “$arg” shift shift ;; esac done “$@” -E | sed -n ‘/^#line [0-9][0-9] “([^”])“/ s::echo ”cygpath -u \\"\1\\"“:p’ | sort | uniq > ”$tmpdepfile" rm -f “$depfile” echo “$object : \” > “$depfile” . “$tmpdepfile” | sed ’s% %\ %g' | sed -n ‘/^(.)$/ s:: \1 \:p’ >> “$depfile” echo “ ” >> “$depfile” . “$tmpdepfile” | sed ’s% %\ %g' | sed -n ‘/^(.*)$/ s::\1::p’ >> “$depfile” rm -f “$tmpdepfile” ;;

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-end: “$”

End: