+2019-11-17 Bruno Haible <bruno@clisp.org>
+
+ host-cpu-c-abi: Add support for unknown CPUs.
+ * m4/host-cpu-c-abi.m4 (gl_HOST_CPU_C_ABI_32BIT): Set
+ gl_cv_host_cpu_c_abi_32bit to 'unknown' if we don't know whether it's
+ 32-bit or 64-bit.
+
2019-11-17 Bruno Haible <bruno@clisp.org>
havelib: Remove redundant code.
-# host-cpu-c-abi.m4 serial 12
+# host-cpu-c-abi.m4 serial 13
dnl Copyright (C) 2002-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl Sets the HOST_CPU_C_ABI_32BIT variable to 'yes' if the C language ABI
-dnl (application binary interface) is a 32-bit one, or to 'no' otherwise.
+dnl (application binary interface) is a 32-bit one, to 'no' if it is a 64-bit
+dnl one, or to 'unknown' if unknown.
dnl This is a simplified variant of gl_HOST_CPU_C_ABI.
AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT],
[
case "$gl_cv_host_cpu_c_abi" in
i386 | x86_64-x32 | arm | armhf | arm64-ilp32 | hppa | ia64-ilp32 | mips | mipsn32 | powerpc | riscv*-ilp32* | s390 | sparc)
gl_cv_host_cpu_c_abi_32bit=yes ;;
- *)
+ x86_64 | alpha | arm64 | hppa64 | ia64 | mips64 | powerpc64 | powerpc64-elfv2 | riscv*-lp64* | s390x | sparc64 )
gl_cv_host_cpu_c_abi_32bit=no ;;
+ *)
+ gl_cv_host_cpu_c_abi_32bit=unknown ;;
esac
else
case "$host_cpu" in
gl_cv_host_cpu_c_abi_32bit=yes
;;
+ # CPUs that only support a 64-bit ABI.
+changequote(,)dnl
+ alpha | alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] \
+ | mmix )
+changequote([,])dnl
+ gl_cv_host_cpu_c_abi_32bit=no
+ ;;
+
changequote(,)dnl
i[34567]86 )
changequote([,])dnl
;;
*)
- gl_cv_host_cpu_c_abi_32bit=no
+ gl_cv_host_cpu_c_abi_32bit=unknown
;;
esac
fi