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Fixed specific version of guile search in autoconf macro GUILE_PROGS.

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* meta/guile.m4 (GUILE_PROGS): Search for guile with suffixes
  first ('-X.Y' and 'X.Y' where X.Y denotes the version) before
  searching for guile with no suffix.  Patch co-authored by Andy Wingo.
This commit is contained in:
Freja Nordsiek 2016-10-10 15:50:19 +07:00 • committed by Andy Wingo
parent 7242ca566f
commit b6d3ab6c0f
1 changed files with 22 additions and 8 deletions
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30
meta/guile.m4
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@ -181,7 +181,12 @@ AC_DEFUN([GUILE_SITE_DIR],
#
# This macro looks for programs @code{guile} and @code{guild}, setting
# variables @var{GUILE} and @var{GUILD} to their paths, respectively.
# If @code{guile} is not found, signal an error.
# The macro will attempt to find @code{guile} with the suffix of
# @code{-X.Y}, followed by looking for it with the suffix @code{X.Y}, and
# then fall back to looking for @code{guile} with no suffix. If
# @code{guile} is still not found, signal an error. The suffix, if any,
# that was required to find @code{guile} will be used for @code{guild}
# as well.
#
# By default, this macro will search for the latest stable version of
# Guile (e.g. 2.0). x.y or x.y.z versions can be specified. If an older
@ -198,16 +203,25 @@ AC_DEFUN([GUILE_SITE_DIR],
# The variables are marked for substitution, as by @code{AC_SUBST}.
#
AC_DEFUN([GUILE_PROGS],
[AC_PATH_PROG(GUILE,guile)
_guile_required_version="m4_default([$1], [$GUILE_EFFECTIVE_VERSION])"
[_guile_required_version="m4_default([$1], [$GUILE_EFFECTIVE_VERSION])"
if test -z "$_guile_required_version"; then
_guile_required_version=2.0
fi
if test "$GUILE" = "" ; then
_guile_candidates=guile
_tmp=
for v in `echo "$_guile_required_version" | tr . ' '`; do
if test -n "$_tmp"; then _tmp=.$_tmp; fi
_tmp=$v$_tmp
_guile_candidates="guile-$_tmp guile$_tmp $_guile_candidates"
done
AC_PATH_PROGS(GUILE,[$_guile_candidates])
if test -z "$GUILE"; then
AC_MSG_ERROR([guile required but not found])
fi
AC_SUBST(GUILE)
_guile_suffix=`echo "$GUILE" | sed -e 's,^.*/guile\(.*\)$,\1,'`
_guile_effective_version=`$GUILE -c "(display (effective-version))"`
if test -z "$GUILE_EFFECTIVE_VERSION"; then
GUILE_EFFECTIVE_VERSION=$_guile_effective_version
@ -246,15 +260,15 @@ AC_DEFUN([GUILE_PROGS],
fi
AC_MSG_RESULT([$_guile_prog_version])
AC_PATH_PROG(GUILD,guild)
AC_PATH_PROG(GUILD,[guild$_guile_suffix])
AC_SUBST(GUILD)
AC_PATH_PROG(GUILE_CONFIG,guile-config)
AC_PATH_PROG(GUILE_CONFIG,[guile-config$_guile_suffix])
AC_SUBST(GUILE_CONFIG)
if test -n "$GUILD"; then
GUILE_TOOLS=$GUILD
else
AC_PATH_PROG(GUILE_TOOLS,guile-tools)
AC_PATH_PROG(GUILE_TOOLS,[guile-tools$_guile_suffix])
fi
AC_SUBST(GUILE_TOOLS)
])