Bug #81507 [Fbk->Opn]: Fiber does not compile
Edit report at https://bugs.php.net/bug.php?id=81507&edit=1
ID: 81507
User updated by: etienne dot guesnet at atos dot net
Reported by: etienne dot guesnet at atos dot net
Summary: Fiber does not compile
-Status: Feedback
+Status: Open
Type: Bug
Package: Compile Failure
Operating System: AIX
PHP Version: 8.1.0RC3
Block user comment: N
Private report: N
New Comment:
Build in 64 bits works with host as powerpc64-ibm-aix. However, it is not an official target:
powerpc-ibm-aix is both 32 and 64 bits. As an example, GCC is built on 32 and 64 bits on AIX with
the same host build.
I confirm build in 32 bits is broken due to "make_ppc32_sysv_xcoff_gas.S", but the reason
is more complex that I have expected. Our ASM expert will have a look.
Previous Comments:
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[2021-10-05 14:28:39] nikic@php.net
I'm not familiar with PowerPC or AIX, but this sounds like it's effectively doing a
cross-compile, in which case you need to specify a correct --build triple. Similar to how you need
to set --build=i686-linux-gnu when using -m32 on a 64-bit system. Does it work if you specify a
powerpc64-* triple?
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[2021-10-05 14:26:01] etienne dot guesnet at atos dot net
Is there a way to tag @NattyNarwhal?
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[2021-10-05 14:24:03] etienne dot guesnet at atos dot net
Description:
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I cannot build PHP 7.1.0RC3 on AIX 7.1 due to a bug in Fiber part.
On 64 bits (-maix64 and OBJECT_MODE=64 used), host remains "powerpc-ibm-aix7.1.5.0", so
"$fiber_os" is "ppc32", and 32 bits PPC asm is used
"make_ppc32_sysv_xcoff_gas.S" (configure.ac, line 1200). Attempted behavior: if -maix64
used, 64 bits PPC asm used.
On 32 bits, file "make_ppc32_sysv_xcoff_gas.S" does not compile, due to all
"(r1)", not supported by AIX assembly.
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