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dnl -*- Autoconf -*-
AC_DEFUN([RUBY_MODULAR_GC],[
AC_ARG_WITH(modular-gc,
AS_HELP_STRING([--with-modular-gc=DIR],
[Enable replacement of Ruby's GC from a modular library in the specified directory.]),
[modular_gc_dir=$withval], [unset modular_gc_dir]
)
AS_IF([test "$modular_gc_dir" = yes], [
AC_MSG_ERROR(you must specify a directory when using --with-modular-gc)
])
AC_MSG_CHECKING([if building with modular GC support])
AS_IF([test x"$modular_gc_dir" != x], [
AC_MSG_RESULT([yes])
# Ensure that modular_gc_dir is always an absolute path so that Ruby
# never loads a modular GC from a relative path
AS_CASE(["$modular_gc_dir"],
[/*], [],
[test "$load_relative" = yes || modular_gc_dir="$prefix/$modular_gc_dir"]
)
# Ensure that modular_gc_dir always terminates with a /
AS_CASE(["$modular_gc_dir"],
[*/], [],
[modular_gc_dir="$modular_gc_dir/"]
)
AC_DEFINE([USE_MODULAR_GC], [1])
modular_gc_summary="yes (in $modular_gc_dir)"
], [
AC_MSG_RESULT([no])
AC_DEFINE([USE_MODULAR_GC], [0])
modular_gc_summary="no"
])
AC_SUBST(modular_gc_dir, "${modular_gc_dir}")
])dnl
|
