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Re: [PATCH] configure: Use -mlittle-endian instead of -mlittle for ppc64
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH] configure: Use -mlittle-endian instead of -mlittle for ppc64 |
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Date: |
Wed, 19 Jan 2022 18:28:00 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 |
On 1/19/22 12:13, Paolo Bonzini wrote:
> On 1/19/22 10:56, mrezanin@redhat.com wrote:
>> From: Miroslav Rezanina <mrezanin@redhat.com>
>>
>> GCC options -mlittle and -mlittle-endian are equivalent on ppc64
>> architecture. However, clang supports only -mlittle-endian option.
>>
>> Use longer form in configure to properly support both GCC and clang
>> compiler.
>>
>> Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
>> ---
>> configure | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/configure b/configure
>> index e1a31fb332..e63c78ca67 100755
>> --- a/configure
>> +++ b/configure
>> @@ -658,7 +658,7 @@ case "$cpu" in
>> CPU_CFLAGS="-m64 -mbig" ;;
>> ppc64le)
>> cpu="ppc64"
>> - CPU_CFLAGS="-m64 -mlittle" ;;
>> + CPU_CFLAGS="-m64 -mlittle-endian" ;;
>> s390)
>> CPU_CFLAGS="-m31" ;;
>
> Does -mbig need the same one line above?
Yes, and tests/tcg/configure.sh needs that change too.