Create macro to identify openXL compiler #7480
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| # TODO we don't actually have a clang config | ||
| # just use GNU config | ||
| set(_OMR_TOOLCONFIG "gnu") | ||
| elseif(CMAKE_C_COMPILER_ID MATCHES "^Clang$") |
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Z system will use OpenXL compiler too. Have you make sure either of the two below?
- Z system will not use Clang compiler ID for that expected switch; or
- this config setting is applicable to them as well.
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@r30shah please comment ...
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Yes, I believe the COMPILER_ID on Z will be IBMClang and TOOLCONFIG will be set to openxl. I would like @Deigue to confirm this.
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I didn't consider that the COMPILER_ID can be different for Z system.
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you had better get together with @Deigue
either, both can use the same ID, if we can;
or, AIX uses a more differentiating and meaningful ID, rather than this very generic "Clang"
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I can't find any existing toolconfig for "openxl" that's why I used "gnu" for now.
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I've made the compiler id related changes here: #7319 ,
also will be moving the "IBMClang$" somewhere alongside the xlc clause so that all that compiler id variations can navigate to openxl toolchain easily from one spot based on Keiths feedback.
From what I remember, I was seeing zOS as the compiler ID while running locally, but when trying a Open XL build on Jenkins for z/OS, I was seeing the compiler id come out as "IBMClang" ...
In any case, I did create my own openxl.cmake toolconfig in the PR above.
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@Deigue Can this openxl.cmake be used for AIX as well?
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I would say yes, because there is a section in the file I left behind that says
if(OMR_OS_AIX) , that leaves the default state of setup/configs, I suspect from xlc.cmake .
So you would be able to use that section, but you may need to adapt the AIX configs to be whatever you need to make things work.
| # OpenXL17 uses CMAKE_C_COMPILER_ID "Clang" | ||
| set(_OMR_TOOLCONFIG "gnu") | ||
| set(CMAKE_C_COMPILER_IS_OPENXL TRUE CACHE BOOL "OpenXL is the C compiler") |
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Lines should be indented with tabs (like the rest of this file).
| @@ -499,7 +499,7 @@ int32_t TR_PPCTableOfConstants::lookUp(TR::SymbolReference *symRef, TR::CodeGene | |||
| int8_t local_buffer[1024]; | |||
| int8_t *name = local_buffer; | |||
| bool isAddr = false; | |||
| intptr_t myTag; | |||
| intptr_t myTag=0; | |||
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Please add a space both sides of = (like the lines above).
This macro will specify if openXL17 clang is used. Signed-off-by: Ishita Ray <ishita.ray@ibm.com>
Signed-off-by: Ishita Ray <ishita.ray@ibm.com>
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| @@ -499,7 +499,7 @@ int32_t TR_PPCTableOfConstants::lookUp(TR::SymbolReference *symRef, TR::CodeGene | |||
| int8_t local_buffer[1024]; | |||
| int8_t *name = local_buffer; | |||
| bool isAddr = false; | |||
| intptr_t myTag; | |||
| intptr_t myTag = 0; | |||
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This change seems unrelated to the title of this pull request; perhaps it should be proposed separately?
| if(CMAKE_C_COMPILER_IS_OPENXL) | ||
| set(OMR_ENV_OPENXL 1) | ||
| set(ENV{OMR_ENV_OPENXL} ${OMR_ENV_OPENXL}) | ||
| else() | ||
| set(OMR_ENV_OPENXL 0) | ||
| set(ENV{OMR_ENV_OPENXL} ${OMR_ENV_OPENXL}) | ||
| endif() |
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Why would we want this? Won't CMAKE_C_COMPILER_IS_OPENXL be sufficient?
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That environment variable is for Makefiles to check if the compiler is openxl. I used that env variable instead of adding openxl in defaults.yml
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Which makefiles? With cmake, we don't write makefiles (cmake might even use another generator, e.g. ninja).
I don't see any references to OMR_ENV_OPENXL, neither in cmakefiles nor the environment; perhaps it would help if you provided a sample of how you imagine they would be used.
Added macro CMAKE_C_COMPILER_IS_OPENXL that will be used to add compiler options for openXL