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Sync toplevel with upstream GCC.

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Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2016-03-22 10:25:20 +01:00
parent 445036bb98
commit fe508576ef
84 changed files with 12618 additions and 7022 deletions
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26
config/plugins.m4
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@ -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
])