diff options
Diffstat (limited to 'depcomp')
| -rwxr-xr-x | depcomp | 189 |
1 files changed, 56 insertions, 133 deletions
@@ -1,9 +1,10 @@ #! /bin/sh # depcomp - compile a program generating dependencies as side-effects -scriptversion=2012-03-27.16; # UTC +scriptversion=2009-04-28.21; # UTC -# Copyright (C) 1999-2012 Free Software Foundation, Inc. +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 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 @@ -27,7 +28,7 @@ scriptversion=2012-03-27.16; # UTC case $1 in '') - echo "$0: No command. Try '$0 --help' for more information." 1>&2 + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) @@ -39,11 +40,11 @@ as side-effects. Environment variables: depmode Dependency tracking mode. - source Source file read by 'PROGRAMS ARGS'. - object Object file output by 'PROGRAMS ARGS'. + source Source file read by `PROGRAMS ARGS'. + object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. - tmpdepfile Temporary file to use when outputting dependencies. + tmpdepfile Temporary file to use when outputing dependencies. libtool Whether libtool is used (yes/no). Report bugs to <bug-automake@gnu.org>. @@ -56,12 +57,6 @@ EOF ;; esac -# A tabulation character. -tab=' ' -# A newline character. -nl=' -' - if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 @@ -95,24 +90,10 @@ 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 @@ -167,21 +148,20 @@ gcc) ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" -## This next piece of magic avoids the "deleted header file" problem. +## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. - tr ' ' "$nl" < "$tmpdepfile" | -## Some versions of gcc put a space before the ':'. On the theory + tr ' ' ' +' < "$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. hp depmode also adds that space, but also prefixes the VPATH -## to the object. Take care to not repeat it in the output. +## 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 '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ - | sed -e 's/$/ :/' >> "$depfile" + sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; @@ -213,15 +193,18 @@ sgi) # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; - # the IRIX cc adds comments like '#:fec' to the end of the + # the IRIX cc adds comments like `#:fec' to the end of the # dependency line. - tr ' ' "$nl" < "$tmpdepfile" \ + tr ' ' ' +' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ - tr "$nl" ' ' >> "$depfile" + tr ' +' ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. - tr ' ' "$nl" < "$tmpdepfile" \ + tr ' ' ' +' < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else @@ -233,17 +216,10 @@ sgi) rm -f "$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|/[^/]*$|/|'` @@ -273,11 +249,12 @@ aix) test -f "$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" - sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$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 @@ -288,26 +265,23 @@ aix) ;; icc) - # Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. - # However on - # $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c + # Intel's C compiler understands `-MD -MF file'. However on + # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c # ICC 7.0 will fill foo.d with something like # foo.o: sub/foo.c # foo.o: sub/foo.h - # which is wrong. We want + # which is wrong. We want: # sub/foo.o: sub/foo.c # sub/foo.o: sub/foo.h # sub/foo.c: # sub/foo.h: # ICC 7.1 will output # foo.o: sub/foo.c sub/foo.h - # and will wrap long lines using '\': + # and will wrap long lines using \ : # foo.o: sub/foo.c ... \ # sub/foo.h ... \ # ... - # tcc 0.9.26 (FIXME still under development at the moment of writing) - # will emit a similar output, but also prepend the continuation lines - # with horizontal tabulation characters. + "$@" -MD -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : @@ -316,21 +290,15 @@ 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 -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \ - < "$tmpdepfile" > "$depfile" - sed ' - s/[ '"$tab"'][ '"$tab"']*/ /g - s/^ *// - s/ *\\*$// - s/^[^:]*: *// - /^$/d - /:$/d - s/$/ :/ - ' < "$tmpdepfile" >> "$depfile" + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$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" ;; @@ -366,7 +334,7 @@ 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,${ s/^ *// s/ \\*$// @@ -381,9 +349,9 @@ 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= @@ -429,59 +397,14 @@ tru64) done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" - sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$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 "$tmpdepfile" ;; -msvc7) - if test "$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. @@ -499,7 +422,7 @@ dashmstdout) shift fi - # Remove '-o $object'. + # Remove `-o $object'. IFS=" " for arg do @@ -519,14 +442,15 @@ dashmstdout) done test -z "$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. "$@" $dashmflag | - sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile" + sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" - tr ' ' "$nl" < "$tmpdepfile" | \ + tr ' ' ' +' < "$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" @@ -579,10 +503,9 @@ makedepend) 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" | \ + 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" @@ -602,7 +525,7 @@ cpp) shift fi - # Remove '-o $object'. + # Remove `-o $object'. IFS=" " for arg do @@ -671,8 +594,8 @@ 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 '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" - echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" + echo " " >> "$depfile" sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; |