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552d4da417
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).
22 lines
640 B
Plaintext
22 lines
640 B
Plaintext
AC_DEFUN([AC_PLUGINS],
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[
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maybe_plugins=no
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AC_CHECK_HEADERS([dlfcn.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
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AC_CHECK_HEADERS([windows.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
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AC_ARG_ENABLE([plugins],
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AS_HELP_STRING([--enable-plugins], [Enable support for plugins]),
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[case "${enableval}" in
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no) plugins=no ;;
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*) plugins=yes
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if test "$maybe_plugins" != "yes" ; then
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AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen.])
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fi ;;
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esac],
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[plugins=$maybe_plugins]
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)
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if test "$plugins" = "yes"; then
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AC_SEARCH_LIBS([dlsym], [dl])
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fi
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])
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