admin/make-emacs

   1 #! /usr/bin/perl
   2 # Build Emacs with various options for profiling, debugging,
   3 # with and without warnings enabled etc.
   4
   5 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   6 #   Free Software Foundation, Inc.
   7
   8 # This file is part of GNU Emacs.
   9
  10 # GNU Emacs is free software: you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation, either version 3 of the License, or
  13 # (at your option) any later version.
  14
  15 # GNU Emacs is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19
  20 # You should have received a copy of the GNU General Public License
  21 # along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23
  24 require 5;
  25 use Getopt::Long;
  26 use File::Basename;
  27 use Cwd;
  28
  29 # Default CVS sandbox directory.  Only used when called from outside
  30 # of the sandbox.
  31
  32 $root = $ENV{"EMACS_ROOT"};
  33 $root = "/gd/gnu/emacs" unless $root;
  34
  35 # Default make command.
  36
  37 $make = $ENV{"EMACS_MAKE"};
  38 $make = "gmake" unless $make;
  39
  40 $rc = GetOptions ("help" => \$help,
  41                   "enable-checking" => \$enable_checking,
  42                   "no-warn" => \$no_warn,
  43                   "check-marked" => \$check_marked,
  44                   "all" => \$all,
  45                   "no-optim" => \$no_optim,
  46                   "union-type" => \$union_type,
  47                   "gprof" => \$profile,
  48                   "malloc-check" => \$malloc_check,
  49                   "no-mcheck" => \$no_mcheck,
  50                   "alias" => \$aliasing,
  51                   "boot" => \$boot,
  52                   "wall" => \$wall,
  53                   "gcc3" => \$gcc3,
  54                   "trace-selection" => \$trace_selection,
  55                   "trace-move" => \$trace_move,
  56                   "stabs" => \$use_stabs,
  57                   "optim" => \$optim);
  58
  59 if ($rc == 0 || $help)
  60  {
  61    print <<USAGE;
  62 make-emacs [options] ...
  63
  64 Build Emacs.
  65
  66  --help                 show this help
  67  --all                  make clean versionclean first
  68  --boot                 make bootstrap, log to boot.log
  69  --enable-checking      ENABLE_CHECKING=1
  70  --no-warn              disable warnings
  71  --check-marked         GC_CHECK_MARKED_OBJECTS=1
  72  --optim                no debug defines
  73  --gprof                make Emacs for profiling
  74  --union-type           define USE_LISP_UNION_TYPE (bad for GDB)
  75  --malloc-check         define GC_MALLOC_CHECK
  76  --no-mcheck            dont define GC_MCHECK
  77  --wall                 compile with -Wall
  78  --gcc3                 use GCC 3.0 (30% slower compilation, slower code)
  79  --trace-selection      print traces in xselect.c
  80  --trace-move           print traces for move_it* functions
  81  --stabs                use -gstabs instead -g
  82
  83 Default is to compile with warnings, with -DGC_MCHECK=1, and
  84 with -DGLYPH_DEBUG=1.
  85
  86 USAGE
  87    exit 1;
  88  }
  89
  90 # Chdir to the top-level directory of the tree.  If not in a tree
  91 # containing Emacs, use the default.
  92
  93 while (! -f "src/emacs.c" && cwd () ne "/")
  94   {
  95     chdir "..";
  96   }
  97
  98 chdir $root if cwd () eq "/";
  99 chdir "./src";
 100 print "Build in ", cwd (), "\n";
 101
 102 # If first arg is `all' or if `--all' specified, ensure a clean
 103 # build.
 104
 105 if (@ARGV && $ARGV[0] eq "all")
 106   {
 107     $all = 1;
 108     shift @ARGV;
 109   }
 110
 111 system ("$make clean versionclean") if $all;
 112
 113 if ($wall)
 114   {
 115     $warn = "-Wall";
 116   }
 117 elsif (!$no_warn)
 118   {
 119     $warn = "-Wpointer-arith -Wchar-subscripts -Wformat -Wimplicit-int";
 120     $warn = "$warn -Wreturn-type -Wswitch -Wuninitialized";
 121   }
 122
 123 $defs = "-DGLYPH_DEBUG=1" unless $optim;
 124 $defs = "$defs -DGC_CHECK_MARKED_OBJECTS=1" if $check_marked;
 125 $defs = "$defs -DENABLE_CHECKING=1" if $enable_checking;
 126
 127 if ($profile)
 128   {
 129     $opts = "-pg";
 130     $defs = "$defs -DPROFILING=1";
 131   }
 132 else
 133   {
 134     if ($use_stabs)
 135       {
 136         $opts = "-gstabs";
 137       }
 138     else
 139       {
 140         $opts = "-g";
 141       }
 142   }
 143
 144 $defs = "$defs -DUSE_LISP_UNION_TYPE" if $union_type;
 145 $defs = "$defs -DGC_MALLOC_CHECK=1 -DGC_PROTECT_MALLOC_STATE=1" if $malloc_check;
 146 $defs = "$defs -DGC_MCHECK=1" unless $no_mcheck;
 147
 148 $defs = "$defs -DTRACE_SELECTION" if $trace_selection;
 149 $defs = "$defs -DDEBUG_TRACE_MOVE" if $trace_move;
 150
 151 # arch=pentium leads to slightly faster code than without.
 152 $opts = "$opts -march=pentiumpro";
 153
 154 if ($optim)
 155   {
 156     $opts = "$opts -pipe -O3";
 157   }
 158 elsif ($no_optim)
 159   {
 160     $opts = "$opts -pipe -fno-inline";
 161   }
 162 else
 163   {
 164     $opts = "$opts -O -pipe -fno-inline";
 165   }
 166
 167 $opts = "$opts -fstrict-aliasing" if $aliasing;
 168
 169 $opts = "$opts $defs" if $defs;
 170 $opts = "$opts $warn" if $warn;
 171
 172 $cc = "/usr/bin/gcc";
 173 $cc = "/gd/local/bin/gcc" if $gcc3;
 174
 175 if ($boot)
 176   {
 177     chdir "..";
 178     system "mv boot.log boot.log.old" if -f "boot.log";
 179     exit system "script boot.log $make CC=\"$cc\" CFLAGS=\"$opts\" bootstrap";
 180   }
 181
 182 exit system "$make CC=\"$cc\" CFLAGS=\"$opts\" @ARGV";
 183
 184 # Local Variables:
 185 # mode: cperl
 186 # End:
 187