Mercurial > hg > octave-kai > gnulib-hg
changeset 17164:c8a3450e4ff0
autoupdate
author | Karl Berry <karl@freefriends.org> |
---|---|
date | Wed, 28 Nov 2012 08:30:11 -0800 |
parents | 2afe33d03981 |
children | 932266a7240e |
files | build-aux/depcomp |
diffstat | 1 files changed, 202 insertions(+), 199 deletions(-) [+] |
line wrap: on
line diff
--- a/build-aux/depcomp +++ b/build-aux/depcomp @@ -1,7 +1,7 @@ #! /bin/sh # depcomp - compile a program generating dependencies as side-effects -scriptversion=2012-07-12.20; # UTC +scriptversion=2012-10-18.11; # UTC # Copyright (C) 1999-2012 Free Software Foundation, Inc. @@ -27,9 +27,9 @@ case $1 in '') - echo "$0: No command. Try '$0 --help' for more information." 1>&2 - exit 1; - ;; + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] @@ -56,11 +56,65 @@ ;; esac +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + # A tabulation character. tab=' ' # A newline character. nl=' ' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 @@ -88,32 +142,32 @@ fi if test "$depmode" = dashXmstdout; then - # This is just like dashmstdout with a different argument. - dashmflag=-xM - depmode=dashmstdout + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then - # This is just like msvisualcpp but w/o cygpath translation. - # Just convert the backslash-escaped backslashes to single forward - # slashes to satisfy depend.m4 - cygpath_u='sed s,\\\\,/,g' - depmode=msvisualcpp + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp fi if test "$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 + # 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 "$depmode" = xlc; then - # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. - gccflag=-qmakedep=gcc,-MF - depmode=gcc + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc fi case "$depmode" in @@ -136,8 +190,7 @@ done "$@" stat=$? - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi @@ -163,15 +216,14 @@ fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" - alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz -## The second -e expression handles DOS-style file names with drive letters. + # The second -e expression handles DOS-style file names with drive + # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. @@ -180,15 +232,15 @@ ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. - tr ' ' "$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" + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; @@ -206,8 +258,7 @@ "$@" -MDupdate "$tmpdepfile" fi stat=$? - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi @@ -215,7 +266,6 @@ if test -f "$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 @@ -223,19 +273,15 @@ # 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" + | 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 '/^$/ d' -e 's/$/:/' \ - >> "$depfile" + | sed -e 's/^.*\.o://' -e 's/#.*$//' -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" + make_dummy_depfile fi rm -f "$tmpdepfile" ;; @@ -253,9 +299,8 @@ # current directory. Also, the AIX compiler puts '$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$//' -e 's/\.lo$//'` + set_dir_from "$object" + set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.u tmpdepfile2=$base.u @@ -268,9 +313,7 @@ "$@" -M fi stat=$? - - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi @@ -279,65 +322,37 @@ do test -f "$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" > "$depfile" - sed -e 's,^.*\.[a-z]*:['"$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" - fi - rm -f "$tmpdepfile" + aix_post_process_depfile ;; -icc) - # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. - # However on - # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c - # ICC 7.0 will fill foo.d with something like - # foo.o: sub/foo.c - # foo.o: sub/foo.h - # which is wrong. We want - # sub/foo.o: sub/foo.c - # sub/foo.o: sub/foo.h - # sub/foo.c: - # sub/foo.h: - # ICC 7.1 will output - # foo.o: sub/foo.c sub/foo.h - # and will wrap long lines using '\': - # foo.o: sub/foo.c ... \ - # sub/foo.h ... \ - # ... - # tcc 0.9.26 (FIXME still under development at the moment of writing) - # will emit a similar output, but also prepend the continuation lines - # with horizontal tabulation characters. +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). "$@" -MD -MF "$tmpdepfile" stat=$? - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile" 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 \'. - # 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" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" rm -f "$tmpdepfile" ;; @@ -356,34 +371,37 @@ # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... - dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` - test "x$dir" = "x$object" && dir= + set_dir_from "$object" # Use the source, not the object, to determine the base name, since # that's sadly what pgcc will do too. - base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'` - tmpdepfile="$base.d" + set_base_from "$source" + tmpdepfile=$base.d # For projects that build the same source file twice into different object # files, the pgcc approach of using the *source* file root name can cause # problems in parallel builds. Use a locking strategy to avoid stomping on # the same $tmpdepfile. - lockdir="$base.d-lock" - trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15 + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 numtries=100 i=$numtries - while test $i -gt 0 ; do + while test $i -gt 0; do # mkdir is a portable test-and-set. - if mkdir $lockdir 2>/dev/null; then + if mkdir "$lockdir" 2>/dev/null; then # This process acquired the lock. "$@" -MD stat=$? # Release the lock. - rm -rf $lockdir + rmdir "$lockdir" break else - ## the lock is being held by a different process, - ## wait until the winning process is done or we timeout - while test -d $lockdir && test $i -gt 0; do + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do sleep 1 i=`expr $i - 1` done @@ -409,8 +427,8 @@ sed "s,^[^:]*:,$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" + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; @@ -421,9 +439,8 @@ # '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$//'` + set_dir_from "$object" + set_base_from "$object" if test "$libtool" = yes; then tmpdepfile1=$dir$base.d tmpdepfile2=$dir.libs/$base.d @@ -434,8 +451,7 @@ "$@" +Maked fi stat=$? - if test $stat -eq 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile1" "$tmpdepfile2" exit $stat fi @@ -445,76 +461,61 @@ test -f "$tmpdepfile" && break done if test -f "$tmpdepfile"; then - sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" # Add 'dependent.h:' lines. sed -ne '2,${ - s/^ *// - s/ \\*$// - s/$/:/ - p - }' "$tmpdepfile" >> "$depfile" + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" else - echo "#dummy" > "$depfile" + make_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 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$//'` + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" - if test "$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 + if test "$libtool" = yes; then + # Libtool 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=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi - stat=$? - if test $stat -eq 0; then : - else - rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" - exit $stat - fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + 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" - sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" - else - echo "#dummy" > "$depfile" - fi - rm -f "$tmpdepfile" - ;; + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; msvc7) if test "$libtool" = yes; then @@ -525,8 +526,7 @@ "$@" $showIncludes > "$tmpdepfile" stat=$? grep -v '^Note: including file: ' "$tmpdepfile" - if test "$stat" = 0; then : - else + if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi @@ -603,13 +603,14 @@ # in the target name. This is to cope with DOS-style filenames: # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. "$@" $dashmflag | - sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile" + 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" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; @@ -662,10 +663,12 @@ # 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" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; @@ -701,10 +704,10 @@ esac done - "$@" -E | - sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ - -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | - sed '$ s: \\$::' > "$tmpdepfile" + "$@" -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" @@ -736,15 +739,15 @@ shift ;; "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") - set fnord "$@" - shift - shift - ;; + set fnord "$@" + shift + shift + ;; *) - set fnord "$@" "$arg" - shift - shift - ;; + set fnord "$@" "$arg" + shift + shift + ;; esac done "$@" -E 2>/dev/null |