mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-18 10:08:34 +00:00
18f99072a6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66156 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
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_CACHE_CHECK([for compiler -Wl,-R<path> option],[llvm_cv_link_use_r],
|
|
[ AC_LANG_PUSH([C])
|
|
oldcflags="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wl,-R."
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[int main() { return 0; }]])],
|
|
[llvm_cv_link_use_r=yes],[llvm_cv_link_use_r=no])
|
|
CFLAGS="$oldcflags"
|
|
AC_LANG_POP([C])
|
|
])
|
|
if test "$llvm_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
|
|
])
|
|
|
|
#
|
|
# Determine if the system can handle the -R option being passed to the linker.
|
|
#
|
|
# This macro is specific to LLVM.
|
|
#
|
|
AC_DEFUN([AC_LINK_EXPORT_DYNAMIC],
|
|
[AC_CACHE_CHECK([for compiler -Wl,-export-dynamic option],
|
|
[llvm_cv_link_use_export_dynamic],
|
|
[ AC_LANG_PUSH([C])
|
|
oldcflags="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wl,-export-dynamic"
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[int main() { return 0; }]])],
|
|
[llvm_cv_link_use_export_dynamic=yes],[llvm_cv_link_use_export_dynamic=no])
|
|
CFLAGS="$oldcflags"
|
|
AC_LANG_POP([C])
|
|
])
|
|
if test "$llvm_cv_link_use_export_dynamic" = yes ; then
|
|
AC_DEFINE([HAVE_LINK_EXPORT_DYNAMIC],[1],[Define if you can use -Wl,-export-dynamic.])
|
|
fi
|
|
])
|
|
|