You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.6 KiB
81 lines
2.6 KiB
#!/bin/sh
|
|
# Helper for saving time when recompiling, skipping files that haven't
|
|
# changed in a meaningful way (e.g. if you only change a comment...)
|
|
#
|
|
# LGPL v2, David Faure <david@mandrakesoft.com>
|
|
|
|
usage()
|
|
{
|
|
echo "Usage:"
|
|
echo " $0 hidechange file Hides the fact that file was changed (use with care!)"
|
|
echo " $0 show Lists what make currently has to rebuild"
|
|
echo " $0 why file Explains why make must rebuild file"
|
|
exit 1;
|
|
}
|
|
|
|
if [ $# -eq 0 ]; then usage; fi
|
|
CDPATH=
|
|
builddir=$PWD
|
|
|
|
# 'srcdir != builddir' stuff
|
|
if test ! -f Makefile && test -n "$OBJ_SUBDIR"; then
|
|
builddir=$OBJ_SUBDIR
|
|
else
|
|
if test ! -f Makefile && test -n "$OBJ_REPLACEMENT"; then
|
|
builddir=`pwd | sed -e "$OBJ_REPLACEMENT"`
|
|
fi
|
|
fi
|
|
|
|
if test ! -f Makefile && test -n "$OBJ_SUBDIR"; then
|
|
builddir=$OBJ_SUBDIR
|
|
fi
|
|
cd $builddir
|
|
srcdir=`egrep '^srcdir *=' Makefile | sed -e "s#srcdir *= *##"`
|
|
UNSERMAKE=`type -p unsermake`
|
|
using_unsermake=
|
|
if head -n 1 Makefile | grep unsermake >/dev/null; then
|
|
using_unsermake=new
|
|
fi
|
|
if head -n 1 Makefile | grep automake >/dev/null; then
|
|
using_unsermake=old
|
|
fi
|
|
|
|
|
|
case $1 in
|
|
hidechange )
|
|
if [ $# -ne 2 ]; then usage; fi
|
|
## TODO: unsermake support (or support in unsermake itself)
|
|
deps=`make SUBDIRS='' -n | grep '\-o' | sed -e 's/.*-o \([^ ]*\).*/\1/'`;
|
|
if [ -n "$deps" ]; then
|
|
oldestdep=`ls -t $deps 2>/dev/null | tail -1`
|
|
thefile=$2
|
|
if [ -f $srcdir/$thefile ]; then
|
|
thefile=$srcdir/$thefile
|
|
fi
|
|
echo
|
|
echo "Setting date of $thefile back in time with:"
|
|
echo "touch -r $oldestdep $thefile" ; touch -r $oldestdep $thefile
|
|
fi
|
|
;;
|
|
show )
|
|
if [ $# -ne 1 ]; then usage; fi
|
|
if test "$using_unsermake" != "new"; then
|
|
# Look at the commands that make will issue, and extract "-o output".
|
|
# The only trouble, with libtool, is that this gives us .libs/foo.o instead of foo.lo
|
|
make SUBDIRS='' -n | grep '\-o' | sed -e 's/.*-o \([^ ]*\).*/\1/'
|
|
else
|
|
# Solve the above problem (when using new-unsermake) by watching the "echo" lines for creating .lo files
|
|
# separately from the rest of the "-o target" lines (for libs and binaries)
|
|
# (For libs and bins another way would be to grep for "linking")
|
|
# The "ls" is for sorting by date
|
|
$UNSERMAKE -n | perl -e 'while(<>) { if (/by libtool/) { s/.*> //; print; } if (m/-o ([^ ]*)/ && $1!~/\.o$/) { print "$1\n"; } }' | xargs --no-run-if-empty ls -t -1
|
|
fi
|
|
;;
|
|
why )
|
|
if [ $# -ne 2 ]; then usage; fi
|
|
## TODO: unsermake support (or support in unsermake itself)
|
|
make SUBDIRS='' -n -d $2 | egrep -e "(newer than target \`$2'|Must)"
|
|
;;
|
|
* ) usage ;;
|
|
esac
|