| 1 | #! /usr/bin/perl |
| 2 | # Build Emacs with various options for profiling, debugging, |
| 3 | # with and without warnings enabled etc. |
| 4 | |
| 5 | # Copyright (C) 2001-2013 Free Software Foundation, Inc. |
| 6 | |
| 7 | # This file is part of GNU Emacs. |
| 8 | |
| 9 | # GNU Emacs is free software: you can redistribute it and/or modify |
| 10 | # it under the terms of the GNU General Public License as published by |
| 11 | # the Free Software Foundation, either version 3 of the License, or |
| 12 | # (at your option) any later version. |
| 13 | |
| 14 | # GNU Emacs is distributed in the hope that it will be useful, |
| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | # GNU General Public License for more details. |
| 18 | |
| 19 | # You should have received a copy of the GNU General Public License |
| 20 | # along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 21 | |
| 22 | |
| 23 | require 5; |
| 24 | use strict; |
| 25 | use warnings; |
| 26 | use Getopt::Long; |
| 27 | use File::Basename; |
| 28 | use Cwd; |
| 29 | |
| 30 | # Default CVS sandbox directory. Only used when called from outside |
| 31 | # of the sandbox. |
| 32 | |
| 33 | $root = $ENV{"EMACS_ROOT"}; |
| 34 | $root = "/gd/gnu/emacs" unless $root; |
| 35 | |
| 36 | # Default make command. |
| 37 | |
| 38 | $make = $ENV{"EMACS_MAKE"}; |
| 39 | $make = "gmake" unless $make; |
| 40 | |
| 41 | $rc = GetOptions ("help" => \$help, |
| 42 | "enable-checking" => \$enable_checking, |
| 43 | "no-warn" => \$no_warn, |
| 44 | "check-marked" => \$check_marked, |
| 45 | "all" => \$all, |
| 46 | "no-optim" => \$no_optim, |
| 47 | "check-lisp-type" => \$check_lisp_type, |
| 48 | "gprof" => \$profile, |
| 49 | "malloc-check" => \$malloc_check, |
| 50 | "no-mcheck" => \$no_mcheck, |
| 51 | "alias" => \$aliasing, |
| 52 | "boot" => \$boot, |
| 53 | "wall" => \$wall, |
| 54 | "gcc3" => \$gcc3, |
| 55 | "trace-selection" => \$trace_selection, |
| 56 | "trace-move" => \$trace_move, |
| 57 | "stabs" => \$use_stabs, |
| 58 | "optim" => \$optim); |
| 59 | |
| 60 | if ($rc == 0 || $help) |
| 61 | { |
| 62 | print <<USAGE; |
| 63 | make-emacs [options] ... |
| 64 | |
| 65 | Build Emacs. |
| 66 | |
| 67 | --help show this help |
| 68 | --all make clean versionclean first |
| 69 | --boot make bootstrap, log to boot.log |
| 70 | --enable-checking ENABLE_CHECKING=1 |
| 71 | --no-warn disable warnings |
| 72 | --check-marked GC_CHECK_MARKED_OBJECTS=1 |
| 73 | --optim no debug defines |
| 74 | --gprof make Emacs for profiling |
| 75 | --check-lisp-type define CHECK_LISP_OBJECT_TYPE |
| 76 | --malloc-check define GC_MALLOC_CHECK |
| 77 | --no-mcheck don't define GC_MCHECK |
| 78 | --wall compile with -Wall |
| 79 | --gcc3 use GCC 3.0 (30% slower compilation, slower code) |
| 80 | --trace-selection print traces in xselect.c |
| 81 | --trace-move print traces for move_it* functions |
| 82 | --stabs use -gstabs instead -g |
| 83 | |
| 84 | Default is to compile with warnings, with -DGC_MCHECK=1, and |
| 85 | with -DGLYPH_DEBUG=1. |
| 86 | |
| 87 | USAGE |
| 88 | exit 1; |
| 89 | } |
| 90 | |
| 91 | # Chdir to the top-level directory of the tree. If not in a tree |
| 92 | # containing Emacs, use the default. |
| 93 | |
| 94 | while (! -f "src/emacs.c" && cwd () ne "/") |
| 95 | { |
| 96 | chdir ".."; |
| 97 | } |
| 98 | |
| 99 | chdir $root if cwd () eq "/"; |
| 100 | chdir "./src"; |
| 101 | print "Build in ", cwd (), "\n"; |
| 102 | |
| 103 | # If first arg is `all' or if `--all' specified, ensure a clean |
| 104 | # build. |
| 105 | |
| 106 | if (@ARGV && $ARGV[0] eq "all") |
| 107 | { |
| 108 | $all = 1; |
| 109 | shift @ARGV; |
| 110 | } |
| 111 | |
| 112 | system ("$make clean versionclean") if $all; |
| 113 | |
| 114 | if ($wall) |
| 115 | { |
| 116 | $warn = "-Wall"; |
| 117 | } |
| 118 | elsif (!$no_warn) |
| 119 | { |
| 120 | $warn = "-Wpointer-arith -Wchar-subscripts -Wformat -Wimplicit-int"; |
| 121 | $warn = "$warn -Wreturn-type -Wswitch -Wuninitialized"; |
| 122 | } |
| 123 | |
| 124 | $defs = "-DGLYPH_DEBUG=1" unless $optim; |
| 125 | $defs = "$defs -DGC_CHECK_MARKED_OBJECTS=1" if $check_marked; |
| 126 | $defs = "$defs -DENABLE_CHECKING=1" if $enable_checking; |
| 127 | |
| 128 | if ($profile) |
| 129 | { |
| 130 | $opts = "-pg"; |
| 131 | $defs = "$defs -DPROFILING=1"; |
| 132 | } |
| 133 | else |
| 134 | { |
| 135 | if ($use_stabs) |
| 136 | { |
| 137 | $opts = "-gstabs"; |
| 138 | } |
| 139 | else |
| 140 | { |
| 141 | $opts = "-g"; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | $defs = "$defs -DCHECK_LISP_OBJECT_TYPE" if $check_lisp_type; |
| 146 | $defs = "$defs -DGC_MALLOC_CHECK=1 -DGC_PROTECT_MALLOC_STATE=1" if $malloc_check; |
| 147 | $defs = "$defs -DGC_MCHECK=1" unless $no_mcheck; |
| 148 | |
| 149 | $defs = "$defs -DTRACE_SELECTION" if $trace_selection; |
| 150 | $defs = "$defs -DDEBUG_TRACE_MOVE" if $trace_move; |
| 151 | |
| 152 | # arch=pentium leads to slightly faster code than without. |
| 153 | $opts = "$opts -march=pentiumpro"; |
| 154 | |
| 155 | if ($optim) |
| 156 | { |
| 157 | $opts = "$opts -pipe -O3"; |
| 158 | } |
| 159 | elsif ($no_optim) |
| 160 | { |
| 161 | $opts = "$opts -pipe -fno-inline"; |
| 162 | } |
| 163 | else |
| 164 | { |
| 165 | $opts = "$opts -O -pipe -fno-inline"; |
| 166 | } |
| 167 | |
| 168 | $opts = "$opts -fstrict-aliasing" if $aliasing; |
| 169 | |
| 170 | $opts = "$opts $defs" if $defs; |
| 171 | $opts = "$opts $warn" if $warn; |
| 172 | |
| 173 | $cc = "/usr/bin/gcc"; |
| 174 | $cc = "/gd/local/bin/gcc" if $gcc3; |
| 175 | |
| 176 | if ($boot) |
| 177 | { |
| 178 | chdir ".."; |
| 179 | system "mv boot.log boot.log.old" if -f "boot.log"; |
| 180 | exit system "script boot.log $make CC=\"$cc\" CFLAGS=\"$opts\" bootstrap"; |
| 181 | } |
| 182 | |
| 183 | exit system "$make CC=\"$cc\" CFLAGS=\"$opts\" @ARGV"; |
| 184 | |
| 185 | # Local Variables: |
| 186 | # mode: cperl |
| 187 | # End: |