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[cmake] gcc.cmake: Test for "-Wno-error=" options.

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Should fix compatibility with older compiles that might lack some of
these warnings.
This commit is contained in:
David Korth 2025-04-07 19:53:49 -04:00
parent 4b194318f6
commit 53b2606bdb
1 changed files with 14 additions and 3 deletions
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17
cmake/platform/gcc.cmake
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@ -274,9 +274,20 @@ IF(CFLAG_OPTIMIZE_FTREE_VECTORIZE)
ENDIF(CFLAG_OPTIMIZE_FTREE_VECTORIZE)
# Add "-Werror" *after* checking for everything else.
SET(RP_IGNORE_ERRORS "-Wno-error=unknown-pragmas -Wno-error=address-of-packed-member -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=shift-negative-value -Wno-error=clobbered")
SET(RP_C_FLAGS_COMMON "${RP_C_FLAGS_COMMON} -Werror ${RP_IGNORE_ERRORS}")
SET(RP_CXX_FLAGS_COMMON "${RP_CXX_FLAGS_COMMON} -Werror ${RP_IGNORE_ERRORS}")
SET(RP_C_FLAGS_COMMON "${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)
FOREACH(FLAG_TEST ${CFLAGS_WNO_ERROR})
# CMake doesn't like certain characters in variable names.
STRING(REGEX REPLACE "/|:|=" "_" FLAG_TEST_VARNAME "${FLAG_TEST}")
CHECK_C_COMPILER_FLAG("${FLAG_TEST}" CFLAG_${FLAG_TEST_VARNAME})
IF(CFLAG_${FLAG_TEST_VARNAME})
SET(RP_C_FLAGS_COMMON "${RP_C_FLAGS_COMMON} ${FLAG_TEST}")
SET(RP_CXX_FLAGS_COMMON "${RP_CXX_FLAGS_COMMON} ${FLAG_TEST}")
ENDIF(CFLAG_${FLAG_TEST_VARNAME})
UNSET(CFLAG_${FLAG_TEST_VARNAME})
ENDFOREACH(FLAG_TEST)
### Debug/Release flags ###