2
# Determine if the system can handle the -R option being passed to the linker.
4
# This macro is specific to LLVM.
6
AC_DEFUN([AC_LINK_USE_R],
7
[AC_CACHE_CHECK([for compiler -Wl,-R<path> option],[llvm_cv_link_use_r],
10
CFLAGS="$CFLAGS -Wl,-R."
11
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[int main() { return 0; }]])],
12
[llvm_cv_link_use_r=yes],[llvm_cv_link_use_r=no])
16
if test "$llvm_cv_link_use_r" = yes ; then
17
AC_DEFINE([HAVE_LINK_R],[1],[Define if you can use -Wl,-R. to pass -R. to the linker, in order to add the current directory to the dynamic linker search path.])
22
# Determine if the system can handle the -R option being passed to the linker.
24
# This macro is specific to LLVM.
26
AC_DEFUN([AC_LINK_EXPORT_DYNAMIC],
27
[AC_CACHE_CHECK([for compiler -Wl,-export-dynamic option],
28
[llvm_cv_link_use_export_dynamic],
31
CFLAGS="$CFLAGS -Wl,-export-dynamic"
32
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[int main() { return 0; }]])],
33
[llvm_cv_link_use_export_dynamic=yes],[llvm_cv_link_use_export_dynamic=no])
37
if test "$llvm_cv_link_use_export_dynamic" = yes ; then
38
AC_DEFINE([HAVE_LINK_EXPORT_DYNAMIC],[1],[Define if you can use -Wl,-export-dynamic.])