summaryrefslogtreecommitdiff
path: root/jmake/jmake.SH
diff options
context:
space:
mode:
authorManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
committerManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
commit371472d9fb6a936149b105a6563a0550d35bdf1a (patch)
tree6d23751e44a7dddf4e29918551f1ea0513352622 /jmake/jmake.SH
Initial import of upstream branch
Initial import of upstream branch git-archimport-id: srivasta@debian.org--2003-primary/dist--upstream--3.70--base-0
Diffstat (limited to 'jmake/jmake.SH')
-rwxr-xr-xjmake/jmake.SH390
1 files changed, 390 insertions, 0 deletions
diff --git a/jmake/jmake.SH b/jmake/jmake.SH
new file mode 100755
index 0000000..38a49eb
--- /dev/null
+++ b/jmake/jmake.SH
@@ -0,0 +1,390 @@
+case $CONFIG in
+'')
+ if test -f config.sh; then TOP=.;
+ elif test -f ../config.sh; then TOP=..;
+ elif test -f ../../config.sh; then TOP=../..;
+ elif test -f ../../../config.sh; then TOP=../../..;
+ elif test -f ../../../../config.sh; then TOP=../../../..;
+ else
+ echo "Can't find config.sh."; exit 1
+ fi
+ . $TOP/config.sh
+ ;;
+esac
+case "$0" in
+*/*) cd `expr X$0 : 'X\(.*\)/'` ;;
+esac
+echo "Extracting jmake/jmake (with variable substitutions)"
+$spitshell >jmake <<!GROK!THIS!
+$startperl
+ eval 'exec perl -S \$0 "\$@"'
+ if \$runnning_under_some_shell;
+
+# $Id: jmake.SH,v 3.0.1.6 1995/09/25 09:08:01 ram Exp $
+#
+# Copyright (c) 1991-1993, Raphael Manfredi
+#
+# You may redistribute only under the terms of the Artistic Licence,
+# as specified in the README file that comes with the distribution.
+# You may reuse parts of this distribution only within the terms of
+# that same Artistic Licence; a copy of which may be found at the root
+# of the source tree for dist 3.0.
+#
+# $Log: jmake.SH,v $
+# Revision 3.0.1.6 1995/09/25 09:08:01 ram
+# patch59: will now force macro definitions to the left
+#
+# Revision 3.0.1.5 1995/07/25 13:34:47 ram
+# patch56: all error messages are now prefixed with the program name
+#
+# Revision 3.0.1.4 1995/03/21 08:45:27 ram
+# patch52: now invokes cpp through new fixcpp script
+# patch52: first pass now skips cpp comments alltogether
+#
+# Revision 3.0.1.3 1994/10/29 15:47:01 ram
+# patch36: added various escapes in strings for perl5 support
+#
+# Revision 3.0.1.2 1993/08/24 12:12:50 ram
+# patch3: privlib dir was ~name expanded in the wrong place
+#
+# Revision 3.0.1.1 1993/08/19 06:42:13 ram
+# patch1: leading config.sh searching was not aborting properly
+#
+# Revision 3.0 1993/08/18 12:04:17 ram
+# Baseline for dist 3.0 netwide release.
+#
+
+\$dir = '$privlib/files';
+\$cpp = '$cpp';
+\$version = '$VERSION';
+\$patchlevel = '$PATCHLEVEL';
+!GROK!THIS!
+$spitshell >>jmake <<'!NO!SUBS!'
+
+($me = $0) =~ s|.*/(.*)|$1|;
+$dir = &tilda_expand($dir); # ~name expansion
+$file = $dir . '/Jmake.tmpl';
+
+$cpp_opt = "-I. "; # For Jmakefile, which is local
+while ($ARGV[0] =~ /^-/) {
+ $_ = shift;
+ last if /--/;
+ $cpp_opt .= "$_ ";
+}
+$cpp_opt .= "-I$dir";
+
+# Thank you HP-UX for having a cpp that blindly strips trailing backslashes
+# in the text. Run through cpp by using the fixcpp script...
+
+open(CPP, "$dir/fixcpp $cpp_opt $file |");
+while (<CPP>) {
+ # Record defined symbols in Jmakefile. We won't catch symbols
+ # in conditional commands, but that's ok, I hope.
+ if ($in_symbol) {
+ $val = $_;
+ $in_symbol = 0 if !($val =~ s/\\\s*$//); # Last line
+ if ($val = /^\|expand/) { # Found an expand command
+ $in_symbol = 0; # Stop gathering value
+ $val .= "void::x"; # Stop any incomplete escape sequence
+ }
+ chop($val);
+ $Makesym{$current_symbol} .= $val;
+ } elsif (/^\s*(\w+)\s*=(.*)/ && !$in_symbol) {
+ # Found a makefile's macro declaration
+ $val = $2;
+ $current_symbol = $1;
+ if ($val =~ s/\\\s*$//) { # Remove final '\'
+ $in_symbol = 1; # This is a continuation line
+ }
+ $Makesym{$current_symbol} = $val;
+ push(@Order, $current_symbol); # Keep track of order
+ }
+ # Protect RCS keyword Id or Header from normal substitution
+ s/\$(Id|Header|Log)/\$X-$1/;
+ # Restore possibly escaped C comments
+ s|/#\*|/*|g;
+ s|\*#/|*/|g;
+ # Remove all ^^ (null space character)
+ s|\^\^||g;
+ # Restore escaped ^^ sequence
+ s|\^\\\^|^^|g;
+ next if /^#\s+\d+/; # Skip cpp commments
+
+ s/^;#/#/;
+ s/@#\s?/\n/g; # Kept for backward compatibility
+ s/@!\s?/\n/g;
+ s/@@\s?/\n\t/g;
+
+ $* = 1;
+ # A '\r' is added to all lines, in order to let 'split' keep them
+ # As lines ending with '\' won't fit in the next regular
+ # expression (why ?), we have to treat that special case separately
+ s/\n$/\r\n/g;
+ s/\\\s*$/\\\r/g; # Remove spaces after final '\' and add '\r'
+ $* = 0;
+ @macro = split(/\n/);
+ for ($i = 0; $i <= $#macro; $i++) {
+ chop($_ = $macro[$i]); # Remove final '\r'
+ s/\s+$//g; # Remove possible useless spaces
+ if (/^TOP\s*=\s*(\S+)/) { # Get the top from generated file
+ $top = $1;
+ }
+ if (s/^\s*>//) { # '>' means "symbol wanted"
+ $symbol{$_} = 1;
+ } elsif (s/^\s*\+//) { # '+' means "initialization section"
+ if (s/^\+(\w+)//) { # '++' means add to variable list
+ $added{$1} .= $_;
+ } else { # A single '+' means "add as is".
+ push(@init, $_);
+ }
+ } elsif (s/^\|//) { # Command for us
+ if (/suffix\s+(\S+)/) { # Add suffix
+ push(@suffix, $1) unless $seen{$1};
+ $seen{$1} = 1;
+ } elsif (s/^rule://) { # Add building rule
+ s/^\s(\s*\S+)/\t$1/; # Make sure leading tab is there
+ push(@rule, $_);
+ } elsif (/^skip/) { # Unconditional skip... funny!
+ push(@makefile, "|$_"); # Skip handled in pass 2
+ } elsif (/^expand/) {
+ push(@makefile, "|$_"); # Expand handled in pass 2
+ } elsif (/^once\s+(\S+)/) { # Once handled in pass 1
+ if ($Once{$1}++) { # Symbol already seen -- skip
+ for (; $i <= $#macro; $i++) {
+ last if $macro[$i] =~/^-once/;
+ }
+ warn("$me: -once not found for $1")
+ unless $macro[$i] =~/^-once/;
+ }
+ } else {
+ print "$me: Warning: unknown command $_\n";
+ }
+ } else {
+ next if /^-once/; # Control statement removed
+ push(@makefile, $_);
+ }
+ }
+}
+close CPP;
+
+@key = keys(%added);
+$last_was_blank = 1; # To avoid blank line at the top of the file
+$symbol{'INIT'} = 1 if ($#init >= 0 || $#key >=0); # Initializations
+$symbol{'SUFFIX'} = 1 if ($#suffix >= 0 || $#rule >=0); # Rules or suffixes
+$symbol{'TOP'} = 1 if $top eq '.'; # If imake invoked for the top
+
+open(MAKEFILE, ">Makefile.SH");
+# We have to use for instead of foreach to handle 'skip' easily
+line: for ($i = 0; $i <= $#makefile; $i++) {
+ $_ = $makefile[$i];
+ next if /^-skip|-expand/; # They might have made a mistake
+
+ s/<TAG>/[jmake $version PL$patchlevel]/;
+ if (/^\s*$/) {
+ next if ($last_was_blank);
+ $last_was_blank = 1;
+ } else {
+ $last_was_blank = 0;
+ }
+
+ # Lines starting with ?SYMBOL: (resp. %SYMBOL:) are to be processed
+ # only if SYMBOL is defined (resp. undefined).
+
+ # Apply in sequence
+ while (/^\s*\?|\s*%/) {
+ if (s/^\s*\?(\w+)://) { # Wanted symbol ?
+ next line unless $symbol{$1};
+ } elsif (s/^\s*%(\w+)://) { # Unwanted symbol ?
+ next line if $symbol{$1};
+ } else {
+ print "$me: Warning: missing ':' in $_\n";
+ last;
+ }
+ }
+
+ # We wish to make sure there is a leading tab if the line starts with
+ # a space to prevent problems later on. However, variable definitions
+ # might want to be aligned on the '=' (imake style). Not all make
+ # may be able to cope with those though, so they are left justified
+ # again.
+
+ s/^\s/\t/ unless /^\s+\w+\s+=/; # Make sure leading tab is there
+ s/^\s+(\w+\s+=)/$1/; # Left justify variable definition
+ s/^;#/#/; # Comments in Jmakefile
+
+ if (s/^\|//) { # Command for us
+ if (/^skip/) { # Skip until -skip
+ for (; $i <= $#makefile; $i++) {
+ last if $makefile[$i] =~ /^-skip/;
+ }
+ } elsif (s/^expand//) {
+ do init_expand($_); # Initializes data structures
+ $i++; # Skip expand line
+ undef @Expand; # Storage for expanded lines
+ $pattern = ''; # Assume no pattern
+ for (; $i <= $#makefile; $i++) {
+ $_ = $makefile[$i];
+ if (s/^-expand//) { # Reached end of expansion
+ if (s/^\s*(.*)/$1/) { # Expand followed by a pattern
+ $pattern = $_; # Get pattern to be removed
+ }
+ last;
+ }
+ s/^\s/\t/; # Make sure leading tab is there
+ push(@Expand, $_); # Line to be expanded
+ }
+ do expand($pattern); # Expand all lines in buffer
+ } else {
+ print "$me: Warning: unknown command $_\n";
+ }
+ } elsif (/^INIT/) { # Initialization section
+ # All the initializations are put in the variable substitution
+ # section of the Makefile.SH. Therefore, we have to protect all
+ # the '$' signs that are not followed by an alphanumeric character.
+ foreach (@init) {
+ # Dumps core sometimes with perl 4.0 PL10
+ # do protect_dollars(*_);
+ $_ = do protect_dollars($_);
+ do print_makefile($_);
+ }
+ foreach (@key) { # @key set earlier to keys(%added)
+ $_ .= " = " . $added{$_};
+ # Dumps core sometimes with perl 4.0 PL10
+ # do protect_dollars(*_);
+ $_ = do protect_dollars($_);
+ do print_makefile($_);
+ }
+ } elsif (/^SUFFIX/) { # Suffixes/Rules section
+ # Rules and suffixes are put in the variable substitution
+ # section of the Makefile.SH. Therefore, we have to protect all
+ # the '$' signs that are not followed by an alphanumeric character.
+ if ($#suffix >= 0) {
+ print MAKEFILE ".SUFFIXES:";
+ foreach (@suffix) {
+ # Dumps core sometimes with perl 4.0 PL10
+ # do protect_dollars(*_);
+ $_ = do protect_dollars($_);
+ print MAKEFILE " $_";
+ }
+ print MAKEFILE "\n\n";
+ }
+ foreach (@rule) {
+ # Dumps core sometimes with perl 4.0 PL10
+ # do protect_dollars(*_);
+ $_ = do protect_dollars($_);
+ print MAKEFILE "$_\n";
+ }
+ } else {
+ do print_makefile($_);
+ }
+}
+close MAKEFILE;
+
+sub protect_dollars {
+ # Dumps core sometimes with perl 4.0 PL10
+ # local(*_) = shift(@_);
+ s/\\\$/\\=/g; # Protect already escaped '$'
+ s/(\$\W)/\\$1/g; # Escape unprotected '$'
+ s/\\=/\\\$/g; # Restore escaped '$'
+ $_; # Because perl dumps core... :-(
+}
+
+# Initializes data structures for expansion. If we detect Makefile
+# macro in the 'expand' line (the argument), then we write a small
+# makefile that will do the substitution for us -- I'm lazy today :-)
+sub init_expand {
+ local($_) = shift(@_);
+ undef %Vars; # Reset array of variables
+ $Vars_len = 0; # Number of "symbols" in first expanded
+ if (/\$\(\w+\)/) { # If at least one macro
+ local($make) = "/tmp/mkjm$$";
+ open(MAKE, ">$make") || die "$me: can't create $make: $!\n";
+ do gen_variables(); # Generates already computed variables
+ foreach $var (@Order) { # Print each in order we found them
+ print MAKE "$var = $Makesym{$var}\n" if !$Gvars{$var};
+ }
+ print MAKE "all:\n\t\@echo '$_'\n";
+ close MAKE;
+ chop($_ = `make -f $make all`);
+ unlink($make);
+ }
+ while (s/^\s*(\w+)!([^!]*)!//) {
+ $Vars{$1} = $2;
+ # Record only length for _first_ expanded symbol
+ $Vars_len = split(/\s\s*/, $2) unless $Vars_len;
+ }
+}
+
+# Expand lines in the @Expand array. The argument is a pattern which is to
+# be removed from the last chunk of expanded lines.
+# For each symbol s, !s is replaced by the next item, and !s:p=q does the
+# same after having replaced the pattern 'p' by pattern 'q' in the item.
+# Spaces are NOT allowed in 'p' or 'q'. Substitution is done once (no /g).
+sub expand {
+ local($pattern) = shift; # To-be-removed pattern for last chunk
+ local($_);
+ local($sub);
+ local($i);
+ local(@expands);
+ for ($i = 0; $i < $Vars_len; $i++) {
+ foreach $line (@Expand) {
+ $_ = $line; # Don't modify elements in array
+ foreach $sym (keys %Vars) {
+ @expands = split(/\s\s*/, $Vars{$sym});
+ $sub = $expands[$i];
+ $sub =~ s/\/\///g; # // is a void value
+ while (s/!${sym}:([^\s]*)=([^\s]*)/,x##x,/) {
+ # Replacing item is altered by some pattern
+ local($p) = $1;
+ local($q) = $2;
+ local($subq) = $sub;
+ eval "\$subq =~ s=${p}=${q}=";
+ s/,x##x,/${subq}/;
+ }
+ s/!${sym}/${sub}/g;
+ }
+ # Protect substitution in an 'eval' in case of error
+ eval "s/${pattern}\$//" if $pattern && $i == ($Vars_len - 1);
+ do print_makefile($_);
+ }
+ }
+}
+
+# Prints its argument in MAKEFILE and records it also in Generated
+sub print_makefile {
+ local($_) = shift(@_); # Line to be printed
+ print MAKEFILE "$_\n";
+ push(@Generated, "$_\n");
+}
+
+# Generates in MAKE file all the generated variable we have so far for
+# final Makefile. This is mainly intended to allow expansion of variables
+# which are already defined with an expand.
+sub gen_variables {
+ undef %Gvars; # Reset already generated variables
+ local ($in_symbol) = 0; # True when in variable (Makefile's macro)
+ foreach (@Generated) {
+ if ($in_symbol) {
+ if (/^\s*(\w+)\s*=(.*)/) { # Missed the end of previous macro
+ $in_symbol = 0;
+ $Gvars{$1} = 1; # Definition of variable seen
+ $in_symbol = 1 if (/\\\s*$/); # There is a final '\'
+ print MAKE "void::\n"; # Cut incomplete esc sequence
+ } else {
+ $in_symbol = 0 if !(/\\\s*$/); # Last line
+ }
+ print MAKE;
+ } elsif (/^\s*(\w+)\s*=(.*)/ && !$in_symbol) {
+ # Found a makefile's macro declaration
+ $Gvars{$1} = 1; # Definition of variable seen
+ $in_symbol = 1 if (/\\\s*$/); # There is a final '\'
+ print MAKE;
+ }
+ }
+ print MAKE "void::\n"; # Cut incomplete escape sequence
+}
+
+!NO!SUBS!
+$grep -v '^;#' ../pl/tilde.pl >>jmake
+chmod 755 jmake
+$eunicefix jmake