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binutils-gdb/config/plugins.m4
H.J. Lu 552d4da417 config: Sync with GCC
Sync with GCC
	2018-04-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/22318
	* plugins.m4 (AC_PLUGINS): Use dlsym to check if libdl is needed.

	2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>

	PR target/84148
	* cet.m4: Check if target support multi-byte NOPS (SSE).
2018-04-05 15:22:13 -07:00

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AC_DEFUN([AC_PLUGINS],
[
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([dlsym], [dl])
fi
])