[Automake-commit] [SCM] GNU Automake branch, depcomp-pgcc, updated. v1.12.2-7-g4e922a4

[Stefano Lattarini]

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- Log -----------------------------------------------------------------
commit 4e922a42f01b5ba146c1b7d29e3253bee07e2c8b
Author: Stefano Lattarini <address@hidden>
Date:   Thu Jul 12 22:04:07 2012 +0200

    depcomp: style changes to Portland Group Compilers support
    
    * lib/depcomp (pgcc): Quote 'like this', not `like this'.  Other minor
    quoting improvements.  Remove a commented-out command.  In comments,
    use proper capitalization and punctuation.  Make a more consistent use
    of whitespace.  Make fatal error messages more nicely formatted, and
    send them to standard error rather than to standard output.
    
    Signed-off-by: Stefano Lattarini <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 lib/depcomp |   37 ++++++++++++++++++-------------------
 1 files changed, 18 insertions(+), 19 deletions(-)

diff --git a/lib/depcomp b/lib/depcomp
index 8619fcb..0544c68 100755
--- a/lib/depcomp
+++ b/lib/depcomp
@@ -336,24 +336,23 @@ icc)
 
 ## The order of this option in the case statement is important, since the
 ## shell code in configure will try each of these formats in the order
-## listed in this file.  A plain `-MD' option would be understood by many
+## listed in this file.  A plain '-MD' option would be understood by many
 ## compilers, so we must ensure this comes after the gcc and icc options.
 pgcc)
-  # Portland's C compiler understands `-MD'.
-  # Will always output deps to `file.d' where file is the root name of the
+  # Portland's C compiler understands '-MD'.
+  # Will always output deps to 'file.d' where file is the root name of the
   # source file under compilation, even if file resides in a subdirectory.
-  # The object file name does not affect the name of the ".d" file.
+  # The object file name does not affect the name of the '.d' file.
   # pgcc 10.2 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 ... \
   #     ...
   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
   test "x$dir" = "x$object" && dir=
-  ##base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
-  # use the source, not the object to determine the base name, since that's
-  # sadly what pgcc will do too
+  # Use the source, not the object, to determine the base name, since
+  # that's sadly what pgcc will do too.
   base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'`
   tmpdepfile="$base.d"
 
@@ -362,36 +361,36 @@ pgcc)
   # 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...' ; rm -rf $lockdir" 1 2 13 15
+  trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 
15
   numtries=100
   i=$numtries
   while test $i -gt 0 ; do
-    # mkdir is a portable test-and-set
+    # mkdir is a portable test-and-set.
     if mkdir $lockdir 2>/dev/null; then
-      # this process acquired the lock
+      # This process acquired the lock.
       "$@" -MD
       stat=$?
-      # release the lock
+      # Release the lock.
       rm -rf $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
-        sleep 1;
+      while test -d $lockdir && test $i -gt 0; do
+        sleep 1
         i=`expr $i - 1`
       done
     fi
     i=`expr $i - 1`
   done
   trap - 1 2 13 15
-  if test $i -le 0 ; then
-    echo "$0 ERROR: failed to acquire lock after $numtries attempts, check 
lockdir '$lockdir'"
-    exit 1;
+  if test $i -le 0; then
+    echo "$0: failed to acquire lock after $numtries attempts" >&2
+    echo "$0: check lockdir '$lockdir'" >&2
+    exit 1
   fi
 
-  if test $stat -eq 0; then :
-  else
+  if test $stat -ne 0; then
     rm -f "$tmpdepfile"
     exit $stat
   fi


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