Index: depcomp |
diff --git a/depcomp b/depcomp |
index bd0ac089584a762069b7e0b3f2937e89b9144cc7..25a39e6cd5c82d7276f6ccc62ef5e7ba1cc9776f 100755 |
--- a/depcomp |
+++ b/depcomp |
@@ -1,10 +1,10 @@ |
#! /bin/sh |
# depcomp - compile a program generating dependencies as side-effects |
-scriptversion=2011-12-04.11; # UTC |
+scriptversion=2012-03-27.16; # UTC |
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010, |
-# 2011 Free Software Foundation, Inc. |
+# 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=2011-12-04.11; # UTC |
case $1 in |
'') |
- echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
+ echo "$0: No command. Try '$0 --help' for more information." 1>&2 |
exit 1; |
;; |
-h | --h*) |
@@ -40,8 +40,8 @@ as side-effects. |
Environment variables: |
depmode Dependency tracking mode. |
- source Source file read by `PROGRAMS ARGS'. |
- object Object file output by `PROGRAMS ARGS'. |
+ source Source file read by 'PROGRAMS ARGS'. |
+ object Object file output by 'PROGRAMS ARGS'. |
DEPDIR directory where to store dependencies. |
depfile Dependency file to output. |
tmpdepfile Temporary file to use when outputting dependencies. |
@@ -57,6 +57,12 @@ EOF |
;; |
esac |
+# A tabulation character. |
+tab=' ' |
+# A newline character. |
+nl=' |
+' |
+ |
if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
exit 1 |
@@ -102,6 +108,12 @@ if test "$depmode" = msvc7msys; then |
depmode=msvc7 |
fi |
+if test "$depmode" = xlc; then |
+ # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations. |
+ gccflag=-qmakedep=gcc,-MF |
+ depmode=gcc |
+fi |
+ |
case "$depmode" in |
gcc3) |
## gcc 3 implements dependency tracking that does exactly what |
@@ -156,15 +168,14 @@ gcc) |
## The second -e expression handles DOS-style file names with drive letters. |
sed -e 's/^[^:]*: / /' \ |
-e 's/^['$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" < "$tmpdepfile" | |
+## Some versions of gcc put a space before the ':'. On the theory |
## that the space means something, we add a space to the output as |
## well. hp depmode also adds that space, but also prefixes the VPATH |
## to the object. Take care to not repeat it in the output. |
@@ -203,18 +214,15 @@ sgi) |
# clever and replace this with sed code, as IRIX sed won't handle |
# lines with more than a fixed number of characters (4096 in |
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
- # the IRIX cc adds comments like `#:fec' to the end of the |
+ # the IRIX cc adds comments like '#:fec' to the end of the |
# dependency line. |
- tr ' ' ' |
-' < "$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 '/^$/ d' -e 's/$/:/' \ |
>> "$depfile" |
else |
@@ -226,10 +234,17 @@ sgi) |
rm -f "$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|/[^/]*$|/|'` |
@@ -259,12 +274,11 @@ aix) |
test -f "$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 |
@@ -275,23 +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 : |
@@ -300,15 +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 "$tmpdepfile" |
;; |
@@ -344,7 +367,7 @@ hp2) |
done |
if test -f "$tmpdepfile"; then |
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" |
- # Add `dependent.h:' lines. |
+ # Add 'dependent.h:' lines. |
sed -ne '2,${ |
s/^ *// |
s/ \\*$// |
@@ -359,9 +382,9 @@ hp2) |
tru64) |
# The Tru64 compiler uses -MD to generate dependencies as a side |
- # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
+ # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. |
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
- # dependencies in `foo.d' instead, so we check for that too. |
+ # dependencies in 'foo.d' instead, so we check for that too. |
# Subdirectories are respected. |
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
test "x$dir" = "x$object" && dir= |
@@ -407,8 +430,7 @@ tru64) |
done |
if test -f "$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 |
@@ -443,11 +465,11 @@ msvc7) |
p |
}' | $cygpath_u | sort -u | sed -n ' |
s/ /\\ /g |
-s/\(.*\)/ \1 \\/p |
+s/\(.*\)/'"$tab"'\1 \\/p |
s/.\(.*\) \\/\1:/ |
H |
$ { |
- s/.*/ / |
+ s/.*/'"$tab"'/ |
G |
p |
}' >> "$depfile" |
@@ -478,7 +500,7 @@ dashmstdout) |
shift |
fi |
- # Remove `-o $object'. |
+ # Remove '-o $object'. |
IFS=" " |
for arg |
do |
@@ -498,15 +520,14 @@ dashmstdout) |
done |
test -z "$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" |
@@ -562,8 +583,7 @@ makedepend) |
# 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' "$tmpdepfile" | tr ' ' ' |
-' | \ |
+ sed '1,2d' "$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" |
@@ -583,7 +603,7 @@ cpp) |
shift |
fi |
- # Remove `-o $object'. |
+ # Remove '-o $object'. |
IFS=" " |
for arg |
do |
@@ -652,8 +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" |
;; |