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Xcode 11.4 beta2: _bit_scan_forward redefinition #247

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Axel-Naumann opened this issue Feb 26, 2020 · 0 comments · Fixed by #248
Closed

Xcode 11.4 beta2: _bit_scan_forward redefinition #247

Axel-Naumann opened this issue Feb 26, 2020 · 0 comments · Fixed by #248
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Vc 1.4.2

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@Axel-Naumann
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Vc version / revision Operating System Compiler & Version Compiler Flags Assembler & Version CPU 
       1.4.1           |         Mac         |          Xcode 11.4 beta 2 (11N123k)         |    ROOT's            |                     |

Testcase

clang++ -std=c++11 -fsyntax-only -x c++-header -I /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/ /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/Vc

Actual Results

In file included from /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/Vc:30:
In file included from /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/vector.h:35:
In file included from /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/sse/vector.h:496:
In file included from /Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/scalar/../common/../sse/vector.tcc:30:
/Users/sftnight/build/jenkins/night/LABEL/mac10beta/SPEC/cxx17/V/6-20/build/include/Vc/scalar/../common/../sse/../common/bitscanintrinsics.h:37:13: warning: '_bit_scan_forward' macro redefined [-Wmacro-redefined]
#    define _bit_scan_forward(x) __builtin_ctz(x)
            ^
/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/11.0.3/include/ia32intrin.h:72:9: note: previous definition is here
#define _bit_scan_forward(A) __bsfd((A))
        ^

Same for _bit_scan_reverse

Expected Results

No warning!
amadio added a commit to amadio/vc that referenced this issue Mar 6, 2020
@amadio
Avoid redefinition of _bit_scan_{forward,reverse} macros
cc1daf3 
Fixes VcDevel#247.
@amadio amadio mentioned this issue Mar 6, 2020
Merged
amadio added a commit to amadio/vc that referenced this issue Mar 9, 2020
@amadio
Avoid redefinition of _bit_scan_{forward,reverse} macros
01015d2 
Fixes VcDevel#247.
amadio added a commit to amadio/root that referenced this issue Mar 17, 2020
@amadio
Patch Vc to avoid warnings about macro redefinitions
593a2a3 
See VcDevel/Vc#247 for more information.
@amadio amadio mentioned this issue Mar 17, 2020
Merged
oshadura pushed a commit to root-project/root that referenced this issue Mar 18, 2020
@amadio @oshadura
Patch Vc to avoid warnings about macro redefinitions
35db763 
See VcDevel/Vc#247 for more information.
oshadura pushed a commit to oshadura/root that referenced this issue Mar 26, 2020
@amadio @oshadura
Patch Vc to avoid warnings about macro redefinitions
8f86364 
See VcDevel/Vc#247 for more information.
oshadura pushed a commit to oshadura/root that referenced this issue Mar 26, 2020
@amadio @oshadura
Patch Vc to avoid warnings about macro redefinitions
d877b0a 
See VcDevel/Vc#247 for more information.
This was referenced Mar 26, 2020
Merged
Merged
oshadura pushed a commit to root-project/root that referenced this issue Mar 27, 2020
@amadio @oshadura
Patch Vc to avoid warnings about macro redefinitions
a97668a 
See VcDevel/Vc#247 for more information.
oshadura pushed a commit to root-project/root that referenced this issue Mar 27, 2020
@amadio @oshadura
Patch Vc to avoid warnings about macro redefinitions
bc79fad 
See VcDevel/Vc#247 for more information.
linev pushed a commit to linev/Vc that referenced this issue Jun 9, 2020
@amadio @linev
Avoid redefinition of _bit_scan_{forward,reverse} macros
d19a824 
Fixes VcDevel#247.
mattkretz pushed a commit that referenced this issue Dec 4, 2020
@amadio @mattkretz
Avoid redefinition of _bit_scan_{forward,reverse} macros
383458a 
Fixes #247.
@agheata agheata mentioned this issue Dec 15, 2020
Closed
osschar pushed a commit to osschar/root that referenced this issue Dec 21, 2020
@amadio @osschar
Patch Vc to avoid warnings about macro redefinitions
7da59c1 
See VcDevel/Vc#247 for more information.
@bernhardmgruber bernhardmgruber added this to the Vc 1.4.2 milestone Jun 22, 2021
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Avoid redefinition of _bit_scan_{forward,reverse} macros amadio/vc
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@Axel-Naumann @bernhardmgruber