Mercurial > hg > CbC > CbC_gcc
diff config/plugins.m4 @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | 77e2b8dfacca |
children | 84e7813d76e9 |
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--- a/config/plugins.m4 Sun Aug 21 07:07:55 2011 +0900 +++ b/config/plugins.m4 Fri Oct 27 22:46:09 2017 +0900 @@ -1,11 +1,21 @@ AC_DEFUN([AC_PLUGINS], [ -AC_ARG_ENABLE([plugins], -AS_HELP_STRING([--enable-plugins], [Enable support for plugins (defaults no)]), -[case "${enableval}" in - yes | "") plugins=yes ;; - no) plugins=no ;; - *) plugins=yes ;; - esac], -[plugins=no]) + maybe_plugins=no + AC_CHECK_HEADERS([dlfcn.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT]) + AC_CHECK_HEADERS([windows.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT]) + + AC_ARG_ENABLE([plugins], + AS_HELP_STRING([--enable-plugins], [Enable support for plugins]), + [case "${enableval}" in + no) plugins=no ;; + *) plugins=yes + if test "$maybe_plugins" != "yes" ; then + AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen.]) + fi ;; + esac], + [plugins=$maybe_plugins] + ) + if test "$plugins" = "yes"; then + AC_SEARCH_LIBS([dlopen], [dl]) + fi ])