Use absolute pathname to call all subcommands.

 - We do not have "/sbin" in $PATH in some situation on Shrike.

diff --git a/kernel/Linux/prepmod.in b/kernel/Linux/prepmod.in
index d74c8af..da224a7 100755 (executable)
--- a/kernel/Linux/prepmod.in
+++ b/kernel/Linux/prepmod.in
@@ -96,7 +96,8 @@ my($load)=@_;
 
        my $modproberc;
        if ($load) {
-               do { ($modproberc=_system $_) and cluck "$_ failed - ignoring"; } for ("depmod -aq","modprobe lufs");
+               do { ($modproberc=_system $_) and cluck "$_ failed - ignoring"; }
+                               for ("/sbin/depmod -aq","/sbin/modprobe lufs");
                }
        exit ($modproberc ? 1 : 0) if !$lufsmnt_bin;
        do { exec $lufsmnt_bin,@ARGV; };
@@ -108,7 +109,7 @@ my $filesystems=_readfile "/proc/filesystems";      # 'lufs' may be built-in
 _pass if $filesystems=~/\blufs$/m;
 my $modules=_readfile "/proc/modules"; # 'lufs' may be already loaded
 _pass if $modules=~/^lufs\b/m;
-_pass if !_system "modprobe lufs 2>/dev/null";
+_pass if !_system "/sbin/modprobe lufs 2>/dev/null";
 
 my $proc_version=_readfile "/proc/version";
 my $uname_r=($proc_version=~/^Linux version (\S+)/)[0] || _readfile "uname -r|";
@@ -138,7 +139,7 @@ else {
                # depmod(1) will take the larget symlink name - we must create directory for  it.
                if (build($kernel,$uname_r,$_)) {
                        do { cluck "Failed to symlink $_"; next; }
-                                       if _system "rm -rf $moduledir; mkdir -p $moduledir; ln -s $_ $moduledir/lufs.o";
+                                       if _system "/bin/rm -rf $moduledir; /bin/mkdir -p $moduledir; /bin/ln -s $_ $moduledir/lufs.o";
                        _pass 1;
                        }
                }
@@ -146,8 +147,9 @@ else {
 
 local $_;
 for (<$modbindir/*-$uname_r*/*.o>,<$modbindir/*-${uname_r_base}*/*.o>,<$modbindir/*/*.o>) {
-       next if _system "rmmod lufs 2>/dev/null; insmod -o lufs -p $_ 2>/dev/null";
-       do { cluck "Failed to symlink $_"; next; } if _system "rm -rf $moduledir; mkdir -p $moduledir; ln -s $_ $moduledir/lufs.o";
+       next if _system "/sbin/rmmod lufs 2>/dev/null; /sbin/insmod -o lufs -p $_ 2>/dev/null";
+       do { cluck "Failed to symlink $_"; next; }
+                       if _system "/bin/rm -rf $moduledir; /bin/mkdir -p $moduledir; /bin/ln -s $_ $moduledir/lufs.o";
        _pass 1;
        }
 confess "lufs module not loaded: Try running $basedir/prepmod to see more.";
@@ -162,7 +164,7 @@ my($kernel,$uname_r,$destmodule)=@_;
 
        my $kdebug="";
        do { $kdebug=$_ if !/^@/; } for ('@KDEBUG_FLAGS@');
-       my $cmdline="gcc"
+       my $cmdline="/usr/bin/gcc"
                        .($quiet ? " 2>/dev/null" : "")
                        ." -Wall -Wstrict-prototypes -Wno-trigraphs"
                        ." -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2"
@@ -182,11 +184,11 @@ my($kernel,$uname_r,$destmodule)=@_;
                                        || (!$config && !$autoconf);    # assume modversions if not known
 
        my @objects=map({ my $o=$_; $o=~s/[.]c$/.o/; $o; } @sources);
-       return !_system "set -e; mkdir -p `dirname $destmodule`; rm -f $destmodule;"
+       return !_system "set -e; /bin/mkdir -p `dirname $destmodule`; /bin/rm -f $destmodule;"
                        .(!$vardir ? "" : " cd $vardir;")
                        ." $cmdline -c ".join(" ",map({ srcdir($uname_r)."/".$_; } @sources)).";"
-                       ." ld -r -o $destmodule ".join(" ",@objects).";"
-                       ." rm -f ".join(" ",@objects);
+                       ." /usr/bin/ld -r -o $destmodule ".join(" ",@objects).";"
+                       ." /bin/rm -f ".join(" ",@objects);
 }
 
 
@@ -210,9 +212,9 @@ my($rpm)=@_;
        my $uname_r;
        $uname_r||=($rpm=~m#/kernel-source-([^-]+-[^-]+)[.][^.]+[.]rpm$#)[0];
        my $uname_r_base=($uname_r=~/^([^-]+)/)[0];
-       _system "rm -rf $tmp_dir; mkdir $tmp_dir; set -e;"
+       _system "/bin/rm -rf $tmp_dir; /bin/mkdir $tmp_dir; set -e;"
                        # Here we will extract even some false 'include's but we filter dirs just for speed/space.
-                       ." rpm2cpio '$rpm' | (cd $tmp_dir; cpio -id --quiet ./usr/src/linux*/{.config,include/*})"
+                       ." /usr/bin/rpm2cpio '$rpm' | (cd $tmp_dir; /bin/cpio -id --quiet ./usr/src/linux*/{.config,include/*})"
                        and confess "Extraction of: $rpm";
        my $dir;
        do { $dir||=$_ if -d $_; } for ($tmp_dir."/usr/src/linux-$uname_r");
@@ -249,7 +251,7 @@ RHCONFIG_H_NOBOOT_EOF
                        prebuild_kernel $dir,$vendor,$uname_r.$smp.".".$arch;
                        }
                }
-       _system "rm -rf $tmp_dir" and confess "Deletion of: $tmp_dir";
+       _system "/bin/rm -rf $tmp_dir" and confess "Deletion of: $tmp_dir";
 }
 
 sub prebuild_dir