mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 15:11:24 +00:00
558aef86c2
with a 64-bit kernel, which confuses LLVM. Make LLVM double-check this by checking which defines the system gcc actually sets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83047 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
497 B
Plaintext
18 lines
497 B
Plaintext
#
|
|
# Some Linux machines run a 64-bit kernel with a 32-bit userspace. 'uname -m'
|
|
# shows these as x86_64. Ask the system 'gcc' what it thinks.
|
|
#
|
|
AC_DEFUN([AC_IS_LINUX_MIXED],
|
|
[AC_CACHE_CHECK(for 32-bit userspace on 64-bit system,llvm_cv_linux_mixed,
|
|
[ AC_LANG_PUSH([C])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
|
[[#ifndef __x86_64__
|
|
error: Not x86-64 even if uname says so!
|
|
#endif
|
|
]])],
|
|
[llvm_cv_linux_mixed=no],
|
|
[llvm_cv_linux_mixed=yes])
|
|
AC_LANG_POP([C])
|
|
])
|
|
])
|