X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=m4%2Fhost-cpu-c-abi.m4;h=6db2aa25aeaff9ce9bb0722ea747a65df6cbf628;hp=af8c05cad72ca6d9c5b1a6d44b3712163fe65ca1;hb=9197695fc88502b6a56c7270e824f73faa7749f9;hpb=cb1ab077ba8ef330a75f40cf78b21fabbb35fb62

diff --git a/m4/host-cpu-c-abi.m4 b/m4/host-cpu-c-abi.m4
index af8c05ca..6db2aa25 100644
--- a/m4/host-cpu-c-abi.m4
+++ b/m4/host-cpu-c-abi.m4
@@ -1,5 +1,5 @@
-# host-cpu-c-abi.m4 serial 12
-dnl Copyright (C) 2002-2019 Free Software Foundation, Inc.
+# host-cpu-c-abi.m4 serial 13
+dnl Copyright (C) 2002-2020 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 with or without modifications, as long as this notice is preserved.
@@ -457,7 +457,8 @@ EOF
 
 
 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],
 [
@@ -467,8 +468,10 @@ 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
@@ -493,6 +496,14 @@ AC_DEFUN([gl_HOST_CPU_C_ABI_32BIT],
            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
@@ -654,7 +665,7 @@ changequote([,])dnl
            ;;
 
          *)
-           gl_cv_host_cpu_c_abi_32bit=no
+           gl_cv_host_cpu_c_abi_32bit=unknown
            ;;
        esac
      fi