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configure.ac : Tweak for x32 architecture. 

The x32 architecture uses and ILP32 (32 bit ints, longs and pointers)
on an x86_64 CPU. Since the CPU is x86_64 we need to set FLAC__CPU_X86_64
even though the pointer size is 32 bits.

Patch-from: Stuart Shelton
Closes: https://sourceforge.net/p/flac/bugs/427/
This commit is contained in:
Erik de Castro Lopo 2015-03-11 20:51:42 +11:00
parent 336f6a5429
commit 7566d3d4c1
1 changed files with 24 additions and 13 deletions
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37
configure.ac
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@ -105,19 +105,30 @@ AC_CHECK_SIZEOF(void*,1)
asm_optimisation=no
case "$host_cpu" in
amd64|x86_64)
if test $ac_cv_sizeof_voidp = 4 ; then
# This must be a 32 bit user space running on 64 bit kernel so treat
# this as ia32.
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
else
# x86_64 user space and kernel.
cpu_x86_64=true
AC_DEFINE(FLAC__CPU_X86_64)
AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64])
fi
asm_optimisation=$asm_opt
case "$host" in
*gnux32)
# x32 user space and 64 bit kernel.
cpu_x86_64=true
AC_DEFINE(FLAC__CPU_X86_64)
AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64])
asm_optimisation=$asm_opt
;;
*)
if test $ac_cv_sizeof_voidp = 4 ; then
# This must be a 32 bit user space running on 64 bit kernel so treat
# this as ia32.
cpu_ia32=true
AC_DEFINE(FLAC__CPU_IA32)
AH_TEMPLATE(FLAC__CPU_IA32, [define if building for ia32/i386])
else
# x86_64 user space and kernel.
cpu_x86_64=true
AC_DEFINE(FLAC__CPU_X86_64)
AH_TEMPLATE(FLAC__CPU_X86_64, [define if building for x86_64])
fi
asm_optimisation=$asm_opt
;;
esac
;;
i*86)
cpu_ia32=true