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/vendor/gc/acinclude.m4

http://github.com/feyeleanor/RubyGoLightly
m4 | 49 lines | 26 code | 5 blank | 18 comment | 0 complexity | 2d3001f5c547dacda7a7413701f4476b MD5 | raw file
 1# 
 2# 
 3# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 4# OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
 5# 
 6# Permission is hereby granted to use or copy this program
 7# for any purpose,  provided the above notices are retained on all copies.
 8# Permission to modify the code and to distribute modified code is granted,
 9# provided the above notices are retained, and a notice that the code was
10# modified is included with the above copyright notice.
11#
12# Modified by: Grzegorz Jakacki <jakacki at acm dot org>
13
14# GC_SET_VERSION
15# sets and AC_DEFINEs GC_VERSION_MAJOR, GC_VERSION_MINOR and GC_ALPHA_VERSION
16# based on the contents of PACKAGE_VERSION; PACKAGE_VERSION must conform to
17# [0-9]+[.][0-9]+(alpha[0.9]+)? 
18# in lex syntax; if there is no alpha number, GC_ALPHA_VERSION is empty
19#
20AC_DEFUN(GC_SET_VERSION, [
21  AC_MSG_CHECKING(GC version numbers)
22  GC_VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\([[0-9]][[0-9]]*\)[[.]].*$/\1/g'`
23  GC_VERSION_MINOR=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]]\([[0-9]][[0-9]]*\).*$/\1/g'`
24  GC_ALPHA_VERSION=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]][[0-9]]*//'`
25
26  case "$GC_ALPHA_VERSION" in
27    alpha*) 
28      GC_ALPHA_VERSION=`echo $GC_ALPHA_VERSION \
29      | sed 's/alpha\([[0-9]][[0-9]]*\)/\1/'` ;;
30    *)  GC_ALPHA_MAJOR='' ;;
31  esac
32
33  if test :$GC_VERSION_MAJOR: = :: \
34     -o   :$GC_VERSION_MINOR: = :: ;
35  then
36    AC_MSG_RESULT(invalid)
37    AC_MSG_ERROR([nonconforming PACKAGE_VERSION='$PACKAGE_VERSION'])
38  fi
39  
40  AC_DEFINE_UNQUOTED(GC_VERSION_MAJOR, $GC_VERSION_MAJOR)
41  AC_DEFINE_UNQUOTED(GC_VERSION_MINOR, $GC_VERSION_MINOR)
42  if test :$GC_ALPHA_VERSION: != :: ; then
43    AC_DEFINE_UNQUOTED(GC_ALPHA_VERSION, $GC_ALPHA_VERSION)
44  fi
45  AC_MSG_RESULT(major=$GC_VERSION_MAJOR minor=$GC_VERSION_MINOR \
46${GC_ALPHA_VERSION:+alpha=}$GC_ALPHA_VERSION)
47])
48
49sinclude(libtool.m4)