"Nicholas \"Indy\" Ray" <arelius@xxxxxxxxx> writes:
> I've attached a patch that seems to fix the build problem on my
> FreeBSD box. I would submit the patch to gcc-patches directlly but I
> don't have a GNU/Linux box, or a machine without dlopen to test on
> before such. So I was hoping I could get someone to test the patch out
> on at least Linux before hand, considering this is my first time
> touching an autoconf file.
That patch doesn't work right on GNU/Linux. Would you mind testing
this one on FreeBSD?
Ian
Index: configure.ac
===================================================================
--- configure.ac (revision 152499)
+++ configure.ac (working copy)
@@ -4253,16 +4253,13 @@ if test x"$enable_plugin" = x"yes"; then
fi
# Check -ldl
- LIBS="$LIBS -ldl"
AC_MSG_CHECKING([for -ldl])
- AC_TRY_LINK(
- [#include <dlfcn.h>],
- [volatile int f = 0; if (f) dlopen ("dummy", 0);],
- [AC_MSG_RESULT([yes]); have_dl=yes],
- [AC_MSG_RESULT([no])])
- if test x"$have_dl" = x"yes"; then
+ AC_CHECK_LIB(dl, dlopen, found_dl=yes, found_dl=no)
+ if test x"$found_dl" = x"yes"; then
+ LIBS="$LIBS -ldl"
pluginlibs="$pluginlibs -ldl"
fi
+ AC_CHECK_FUNC(dlopen, found_dlopen=yes, found_dlopen=no)
# Check that we can build shared objects with -fPIC -shared
LDFLAGS="$LDFLAGS -fPIC -shared"
@@ -4271,7 +4268,7 @@ if test x"$enable_plugin" = x"yes"; then
[extern int X;],[return X == 0;],
[AC_MSG_RESULT([yes]); have_pic_shared=yes],
[AC_MSG_RESULT([no]); have_pic_shared=no])
- if test x"$have_pic_shared" != x"yes"; then
+ if test x"$have_pic_shared" != x"yes" -o x"$found_dlopen" != x"yes"; then
pluginlibs=
enable_plugin=no
fi
