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

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 8f2f5c426e
commit 7581afef4c

View File

@@ -1085,12 +1085,14 @@ 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"
EXTRA_CONFIGURE: "--with-python=python3"
RUN_MAKE_INSTALL: 1
<<: *debian_bullseye_amd64_image