diff options
Diffstat (limited to 'config')
-rw-r--r-- | config/ChangeLog | 6 | ||||
-rw-r--r-- | config/plugins.m4 | 23 |
2 files changed, 21 insertions, 8 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 8212c31..b11ca26 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,9 @@ +2014-08-14 Alan Modra <amodra@gmail.com> + + * plugins.m4: Test for dlfcn.h or windows.h here to set default + for --enable-plugins. Report error if someone tries to enable + plugins on a host we don't support. + 2014-05-14 Sandra Loosemore <sandra@codesourcery.com> * mt-nios2-elf: New file. diff --git a/config/plugins.m4 b/config/plugins.m4 index 7ee8412..f65fdcb 100644 --- a/config/plugins.m4 +++ b/config/plugins.m4 @@ -1,11 +1,18 @@ 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] + ) ]) |