The computation of string length is not that complicated. Fix it, again. :)
[llvm/stm8.git] / autoconf / m4 / linux_mixed_64_32.m4
blob123491f87e5e270248ee7ca1bf7af4f6c74d03d2
2 # Some Linux machines run a 64-bit kernel with a 32-bit userspace. 'uname -m'
3 # shows these as x86_64. Ask the system 'gcc' what it thinks.
5 AC_DEFUN([AC_IS_LINUX_MIXED],
6 [AC_CACHE_CHECK(for 32-bit userspace on 64-bit system,llvm_cv_linux_mixed,
7 [ AC_LANG_PUSH([C])
8   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
9       [[#ifndef __x86_64__
10        error: Not x86-64 even if uname says so!
11       #endif
12       ]])],
13       [llvm_cv_linux_mixed=no],
14       [llvm_cv_linux_mixed=yes])
15   AC_LANG_POP([C])