1#!/bin/sh
2
3# Copyright 2005, 2006, 2007, 2008, 2009 by
4# David Turner, Robert Wilhelm, and Werner Lemberg.
5#
6# This file is part of the FreeType project, and may only be used, modified,
7# and distributed under the terms of the FreeType project license,
8# LICENSE.TXT.  By continuing to use, modify, or distribute this file you
9# indicate that you have read the license and understand and accept it
10# fully.
11
12run ()
13{
14  echo "running \`$*'"
15  eval $*
16
17  if test $? != 0 ; then
18    echo "error while running \`$*'"
19    exit 1
20  fi
21}
22
23get_major_version ()
24{
25  echo $1 | sed -e 's/\([0-9][0-9]*\)\..*/\1/g'
26}
27
28get_minor_version ()
29{
30  echo $1 | sed -e 's/[0-9][0-9]*\.\([0-9][0-9]*\).*/\1/g'
31}
32
33get_patch_version ()
34{
35  # tricky: some version numbers don't include a patch
36  # separated with a point, but something like 1.4-p6
37  patch=`echo $1 | sed -e 's/[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\).*/\1/g'`
38  if test "$patch" = "$1"; then
39    patch=`echo $1 | sed -e 's/[0-9][0-9]*\.[0-9][0-9]*\-p\([0-9][0-9]*\).*/\1/g'`
40    # if there isn't any patch number, default to 0
41    if test "$patch" = "$1"; then
42      patch=0
43    fi
44  fi
45  echo $patch
46}
47
48# $1: version to check
49# $2: minimum version
50
51compare_to_minimum_version ()
52{
53  MAJOR1=`get_major_version $1`
54  MAJOR2=`get_major_version $2`
55  if test $MAJOR1 -lt $MAJOR2; then
56    echo 0
57    return
58  else
59    if test $MAJOR1 -gt $MAJOR2; then
60      echo 1
61      return
62    fi
63  fi
64
65  MINOR1=`get_minor_version $1`
66  MINOR2=`get_minor_version $2`
67  if test $MINOR1 -lt $MINOR2; then
68    echo 0
69    return
70  else
71    if test $MINOR1 -gt $MINOR2; then
72      echo 1
73      return
74    fi
75  fi
76
77  PATCH1=`get_patch_version $1`
78  PATCH2=`get_patch_version $2`
79  if test $PATCH1 -lt $PATCH2; then
80    echo 0
81  else
82    echo 1
83  fi
84}
85
86# check the version of a given tool against a minimum version number
87#
88# $1: tool path
89# $2: tool usual name (e.g. `aclocal')
90# $3: tool variable  (e.g. `ACLOCAL')
91# $4: minimum version to check against
92# $5: option field index used to extract the tool version from the
93#     output of --version
94
95check_tool_version ()
96{
97  field=$5
98  if test "$field"x = x; then
99    field=4  # default to 4 for all GNU autotools
100  fi
101  version=`$1 --version | head -1 | cut -d ' ' -f $field`
102  version_check=`compare_to_minimum_version $version $4`
103  if test "$version_check"x = 0x; then
104    echo "ERROR: Your version of the \`$2' tool is too old."
105    echo "       Minimum version $4 is required (yours is version $version)."
106    echo "       Please upgrade or use the $3 variable to point to a more recent one."
107    echo ""
108    exit 1
109  fi
110}
111
112if test ! -f ./builds/unix/configure.raw; then
113  echo "You must be in the same directory as \`autogen.sh'."
114  echo "Bootstrapping doesn't work if srcdir != builddir."
115  exit 1
116fi
117
118# On MacOS X, the GNU libtool is named `glibtool'.
119HOSTOS=`uname`
120LIBTOOLIZE=libtoolize
121if test "$HOSTOS"x = Darwinx; then
122  LIBTOOLIZE=glibtoolize
123fi
124
125if test "$ACLOCAL"x = x; then
126  ACLOCAL=aclocal
127fi
128
129if test "$AUTOCONF"x = x; then
130  AUTOCONF=autoconf
131fi
132
133check_tool_version $ACLOCAL    aclocal    ACLOCAL    1.10.1
134check_tool_version $LIBTOOLIZE libtoolize LIBTOOLIZE 2.2.4
135check_tool_version $AUTOCONF   autoconf   AUTOCONF   2.62
136
137# This sets freetype_major, freetype_minor, and freetype_patch.
138eval `sed -nf version.sed include/freetype/freetype.h`
139
140# We set freetype-patch to an empty value if it is zero.
141if test "$freetype_patch" = ".0"; then
142  freetype_patch=
143fi
144
145cd builds/unix
146
147echo "generating \`configure.ac'"
148sed -e "s;@VERSION@;$freetype_major$freetype_minor$freetype_patch;" \
149  < configure.raw > configure.ac
150
151run aclocal -I . --force
152run $LIBTOOLIZE --force --copy --install
153run autoconf --force
154
155chmod +x mkinstalldirs
156chmod +x install-sh
157
158cd ../..
159
160chmod +x ./configure
161
162# EOF
163