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From: "Wiles, Keith" <keith.wiles@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>, "dev@dpdk.org"
<dev@dpdk.org>
CC: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [PATCH] build: fix invalid characters in toolchain definitions
Thread-Topic: [PATCH] build: fix invalid characters in toolchain definitions
Thread-Index: AQHZOwf7qxdaDbW4XkKHXDznF3WW0K7FLxb0
Date: Wed, 8 Feb 2023 15:33:30 +0000
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References: <20230207152200.122227-1-bruce.richardson@intel.com>
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Errors-To: dev-bounces@dpdk.org
________________________________________=0A=
From: Richardson, Bruce <bruce.richardson@intel.com>=0A=
Sent: Tuesday, February 7, 2023 9:22 AM=0A=
To: dev@dpdk.org=0A=
Cc: Richardson, Bruce; stable@dpdk.org; Wiles, Keith=0A=
Subject: [PATCH] build: fix invalid characters in toolchain definitions=0A=
=0A=
When using "icx" (Intel(R) oneAPI DPC++/C++ Compiler) to build DPDK,=0A=
meson reports the toolchain as "intel-llvm"[1]. This value is used=0A=
directly to define the RTE_TOOLCHAIN macros, which means that we end up=0A=
with the invalid macro name "RTE_TOOLCHAIN_INTEL-LLVM", and getting the=0A=
compiler warning:=0A=
=0A=
./rte_build_config.h:422:28: warning: ISO C99 requires whitespace after the=
macro name [-Wc99-extensions]=0A=
=0A=
This can be fixed, and the macro generation made more robust generally,=0A=
by adding "underscorify()" on the string. This replaces the "-", and=0A=
any other invalid characters, with "_" [2].=0A=
=0A=
[1] https://mesonbuild.com/Reference-tables.html#compiler-ids=0A=
[2] https://mesonbuild.com/Reference-manual_elementary_str.html#strundersco=
rify=0A=
=0A=
Fixes: afd18fa21b5e ("build: set toolchain info during meson configure")=0A=
Cc: stable@dpdk.org=0A=
=0A=
Reported-by: Keith Wiles <keith.wiles@intel.com>=0A=
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>=0A=
---=0A=
config/meson.build | 2 +-=0A=
1 file changed, 1 insertion(+), 1 deletion(-)=0A=
=0A=
diff --git a/config/meson.build b/config/meson.build=0A=
index 26f3168bc9..fc3ac99a32 100644=0A=
--- a/config/meson.build=0A=
+++ b/config/meson.build=0A=
@@ -139,7 +139,7 @@ endif=0A=
=0A=
toolchain =3D cc.get_id()=0A=
dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)=0A=
-dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)=0A=
+dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper().underscorify(), 1)=
=0A=
=0A=
dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') =3D=3D 8)=0A=
dpdk_conf.set('RTE_ARCH_32', cc.sizeof('void *') =3D=3D 4)=0A=
--=0A=
2.37.2=0A=
=0A=
Acked-by: Keith Wiles <keith.wiles@intel.com>=0A=