mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
491f6812ef
per the recommended style guide for autoconf and so that individual autoconf functions can more easily be shared across projects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16223 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
660 B
Plaintext
24 lines
660 B
Plaintext
#
|
|
# Determine if the system can handle the -R option being passed to the linker.
|
|
#
|
|
# This macro is specific to LLVM.
|
|
#
|
|
AC_DEFUN([AC_LINK_USE_R],
|
|
[
|
|
AC_MSG_CHECKING([for compiler -Wl,-R<path> option])
|
|
AC_LANG_SAVE
|
|
AC_LANG_C
|
|
oldcflags="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wl,-R."
|
|
AC_LINK_IFELSE([int main() { return 0; }],[ac_cv_link_use_r=yes],[ac_cv_link_use_r=no])
|
|
CFLAGS="$oldcflags"
|
|
AC_LANG_RESTORE
|
|
AC_MSG_RESULT($ac_cv_link_use_r)
|
|
if test "$ac_cv_link_use_r" = yes
|
|
then
|
|
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.])
|
|
fi
|
|
])
|
|
|
|
|