admin/make-emacs

   1 #! /usr/bin/perl
   2
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is part of GNU Emacs.
   7 #
   8 # GNU Emacs is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3, or (at your option)
  11 # any later version.
  12 #
  13 # GNU Emacs is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with GNU Emacs; see the file COPYING.  If not, write to the
  20 # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 # Boston, MA 02110-1301, USA.
  22
  23 # Build Emacs with various options for profiling, debugging,
  24 # with and without warnings enabled etc.
  25
  26 require 5;
  27 use Getopt::Long;
  28 use File::Basename;
  29 use Cwd;
  30
  31 # Default CVS sandbox directory.  Only used when called from outside
  32 # of the sandbox.
  33
  34 $root = $ENV{"EMACS_ROOT"};
  35 $root = "/gd/gnu/emacs" unless $root;
  36
  37 # Default make command.
  38
  39 $make = $ENV{"EMACS_MAKE"};
  40 $make = "gmake" unless $make;
  41
  42 $rc = GetOptions ("help" => \$help,
  43                   "enable-checking" => \$enable_checking,
  44                   "no-warn" => \$no_warn,
  45                   "check-marked" => \$check_marked,
  46                   "all" => \$all,
  47                   "no-optim" => \$no_optim,
  48                   "union-type" => \$union_type,
  49                   "gprof" => \$profile,
  50                   "malloc-check" => \$malloc_check,
  51                   "no-mcheck" => \$no_mcheck,
  52                   "alias" => \$aliasing,
  53                   "boot" => \$boot,
  54                   "wall" => \$wall,
  55                   "gcc3" => \$gcc3,
  56                   "trace-selection" => \$trace_selection,
  57                   "trace-move" => \$trace_move,
  58                   "stabs" => \$use_stabs,
  59                   "optim" => \$optim);
  60
  61 if ($rc == 0 || $help)
  62  {
  63    print <<USAGE;
  64 make-emacs [options] ...
  65
  66 Build Emacs.
  67
  68  --help                 show this help
  69  --all                  make clean versionclean first
  70  --boot                 make boostrap, log to boot.log
  71  --enable-checking      ENABLE_CHECKING=1
  72  --no-warn              disable warnings
  73  --check-marked         GC_CHECK_MARKED_OBJECTS=1
  74  --optim                no debug defines
  75  --gprof                make Emacs for profiling
  76  --union-type           define USE_LISP_UNION_TYPE (bad for GDB)
  77  --malloc-check         define GC_MALLOC_CHECK
  78  --no-mcheck            dont define GC_MCHECK
  79  --wall                 compile with -Wall
  80  --gcc3                 use GCC 3.0 (30% slower compilation, slower code)
  81  --trace-selection      print traces in xselect.c
  82  --trace-move           print traces for move_it* functions
  83  --stabs                use -gstabs instead -g
  84
  85 Default is to compile with warnings, with -DGC_MCHECK=1, and
  86 with -DGLYPH_DEBUG=1.
  87
  88 USAGE
  89    exit 1;
  90  }
  91
  92 # Chdir to the top-level directory of the tree.  If not in a tree
  93 # containing Emacs, use the default.
  94
  95 while (! -f "src/emacs.c" && cwd () ne "/")
  96   {
  97     chdir "..";
  98   }
  99
 100 chdir $root if cwd () eq "/";
 101 chdir "./src";
 102 print "Build in ", cwd (), "\n";
 103
 104 # If first arg is `all' or if `--all' specified, ensure a clean
 105 # build.
 106
 107 if (@ARGV && $ARGV[0] eq "all")
 108   {
 109     $all = 1;
 110     shift @ARGV;
 111   }
 112
 113 system ("$make clean versionclean") if $all;
 114
 115 if ($wall)
 116   {
 117     $warn = "-Wall";
 118   }
 119 elsif (!$no_warn)
 120   {
 121     $warn = "-Wpointer-arith -Wchar-subscripts -Wformat -Wimplicit-int";
 122     $warn = "$warn -Wreturn-type -Wswitch -Wuninitialized";
 123   }
 124
 125 $defs = "-DGLYPH_DEBUG=1" unless $optim;
 126 $defs = "$defs -DGC_CHECK_MARKED_OBJECTS=1" if $check_marked;
 127 $defs = "$defs -DENABLE_CHECKING=1" if $enable_checking;
 128
 129 if ($profile)
 130   {
 131     $opts = "-pg";
 132     $defs = "$defs -DPROFILING=1";
 133   }
 134 else
 135   {
 136     if ($use_stabs)
 137       {
 138         $opts = "-gstabs";
 139       }
 140     else
 141       {
 142         $opts = "-g";
 143       }
 144   }
 145
 146 $defs = "$defs -DUSE_LISP_UNION_TYPE" if $union_type;
 147 $defs = "$defs -DGC_MALLOC_CHECK=1 -DGC_PROTECT_MALLOC_STATE=1" if $malloc_check;
 148 $defs = "$defs -DGC_MCHECK=1" unless $no_mcheck;
 149
 150 $defs = "$defs -DTRACE_SELECTION" if $trace_selection;
 151 $defs = "$defs -DDEBUG_TRACE_MOVE" if $trace_move;
 152
 153 # arch=pentium leads to slightly faster code than without.
 154 $opts = "$opts -march=pentiumpro";
 155
 156 if ($optim)
 157   {
 158     $opts = "$opts -pipe -O3";
 159   }
 160 elsif ($no_optim)
 161   {
 162     $opts = "$opts -pipe -fno-inline";
 163   }
 164 else
 165   {
 166     $opts = "$opts -O -pipe -fno-inline";
 167   }
 168
 169 $opts = "$opts -fstrict-aliasing" if $aliasing;
 170
 171 $opts = "$opts $defs" if $defs;
 172 $opts = "$opts $warn" if $warn;
 173
 174 $cc = "/usr/bin/gcc";
 175 $cc = "/gd/local/bin/gcc" if $gcc3;
 176
 177 if ($boot)
 178   {
 179     chdir "..";
 180     system "mv boot.log boot.log.old" if -f "boot.log";
 181     exit system "script boot.log $make CC=\"$cc\" CFLAGS=\"$opts\" bootstrap";
 182   }
 183
 184 exit system "$make CC=\"$cc\" CFLAGS=\"$opts\" @ARGV";
 185
 186 # Local Variables:
 187 # mode: cperl
 188 # End:
 189
 190 # arch-tag: 5c3f9713-9ece-4a12-b3f8-deaff15974ba