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Disable compound-token-split-by-macro warning with Clang

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Perl DLZ module compilation with Clang produces the following warning:

    /usr/lib/x86_64-linux-gnu/perl/5.32/CORE/zaphod32_hash.h:150:5: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /usr/lib/x86_64-linux-gnu/perl/5.32/CORE/zaphod32_hash.h:80:38: note: expanded from macro 'ZAPHOD32_SCRAMBLE32'
    #define ZAPHOD32_SCRAMBLE32(v,prime) STMT_START {  \
                                         ^~~~~~~~~~
    /usr/lib/x86_64-linux-gnu/perl/5.32/CORE/perl.h:666:29: note: expanded from macro 'STMT_START'
    #   define STMT_START   (void)( /* gcc supports "({ STATEMENTS; })" */
                                  ^
    /usr/lib/x86_64-linux-gnu/perl/5.32/CORE/zaphod32_hash.h:150:5: note: '{' token is here
        ZAPHOD32_SCRAMBLE32(state[0],0x9fade23b);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /usr/lib/x86_64-linux-gnu/perl/5.32/CORE/zaphod32_hash.h:80:49: note: expanded from macro 'ZAPHOD32_SCRAMBLE32'
    #define ZAPHOD32_SCRAMBLE32(v,prime) STMT_START {  \
                                                    ^

(cherry picked from commit 69b7e4362d)
This commit is contained in:
Michal Nowak 2022-05-30 18:53:09 +02:00
parent c49b5d9d1d
commit 2d747f7312
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1 changed files with 3 additions and 1 deletions
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.gitlab-ci.yml
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@ -1101,12 +1101,14 @@ unit:clang:tsan:
artifacts: true
# Jobs for Clang builds on Debian 11 "bullseye" (amd64)
# The -Wno-compound-token-split-by-macro option prevents warning when compiling
# Perl DLZ module with Clang against Perl older than version 5.35.2.
clang:bullseye:amd64:
variables:
BUILD_CONTRIB: 1
CC: ${CLANG}
CFLAGS: "${CFLAGS_COMMON} -Wenum-conversion"
CFLAGS: "${CFLAGS_COMMON} -Wenum-conversion -Wno-compound-token-split-by-macro"
# See https://gitlab.isc.org/isc-projects/bind9/-/issues/3444
EXTRA_CONFIGURE: "--without-jemalloc"
RUN_MAKE_INSTALL: 1