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[cmake] gcc.cmake: -Wno-error=cast-align

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The Ubuntu 16.04 Launchpad build for armhf failed due to a potential
alignment issue:

/<<PKGBUILDDIR>>/src/kde/AchQtDBus.cpp: In member function ‘int AchQtDBus::notifyFunc(LibRpBase::Achievements::ID)’:
/<<PKGBUILDDIR>>/src/kde/AchQtDBus.cpp:149:59: error: cast from ‘uchar* {aka unsigned char*}’ to ‘LibRpTexture::argb32_t*’ increases required alignment of target type [-Werror=cast-align]
   argb32_t *bits = reinterpret_cast<argb32_t*>(icon.bits());
                                                           ^

This shouldn't be an actual problem, since rp_image's image data is
always 16-byte aligned.

NOTE: Not rebuilding the Ubuntu 16.04 packages for ARM because of this.
(Both the armhf and arm64 builds were cancelled.)

(cherry picked from commit 5a08131311)
This commit is contained in:
David Korth 2025-04-20 00:09:48 -04:00
parent f5d34d97cb
commit fc9bcc275f
1 changed files with 1 additions and 1 deletions
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2
cmake/platform/gcc.cmake
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@ -276,7 +276,7 @@ ENDIF(CFLAG_OPTIMIZE_FTREE_VECTORIZE)
# Add "-Werror" *after* checking for everything else.
SET(RP_C_FLAGS_COMMON "${RP_C_FLAGS_COMMON} -Werror")
SET(RP_CXX_FLAGS_COMMON "${RP_CXX_FLAGS_COMMON} -Werror")
SET(CFLAGS_WNO_ERROR -Wno-error=unknown-pragmas -Wno-error=address -Wno-error=attributes -Wno-error=unused-parameter -Wno-error=unused-but-set-variable -Wno-error=ignored-qualifiers -Wno-error=missing-field-initializers -Wno-error=unused-variable -Wno-error=unused-function -Wno-error=type-limits -Wno-error=empty-body -Wno-error=address-of-packed-member -Wno-error=shift-negative-value -Wno-error=clobbered -Wno-error=overloaded-virtual -Wno-error=header-hygiene)
SET(CFLAGS_WNO_ERROR -Wno-error=unknown-pragmas -Wno-error=address -Wno-error=attributes -Wno-error=unused-parameter -Wno-error=unused-but-set-variable -Wno-error=ignored-qualifiers -Wno-error=missing-field-initializers -Wno-error=unused-variable -Wno-error=unused-function -Wno-error=type-limits -Wno-error=empty-body -Wno-error=address-of-packed-member -Wno-error=shift-negative-value -Wno-error=clobbered -Wno-error=overloaded-virtual -Wno-error=header-hygiene -Wno-error=cast-align)
FOREACH(FLAG_TEST ${CFLAGS_WNO_ERROR})
# CMake doesn't like certain characters in variable names.
STRING(REGEX REPLACE "/|:|=" "_" FLAG_TEST_VARNAME "${FLAG_TEST}")