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CMake: Fix Interrogate macro sometimes passing -D''

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This commit is contained in:
Sam Edwards 2020-01-22 02:35:11 -07:00
parent f5b6761128
commit 1046b122a3
1 changed files with 4 additions and 1 deletions
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5
cmake/macros/Interrogate.cmake
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@ -218,7 +218,10 @@ function(interrogate_sources target output database language_flags)
# that's fine, it also ignores '"'
set(_q "'")
endif()
set(define_flags "$<$<BOOL:${_compile_defs}>:-D${_q}$<JOIN:${_compile_defs},${_q}\t-D${_q}>${_q}>")
set(_compile_defs_flags "-D${_q}$<JOIN:${_compile_defs},${_q}\t-D${_q}>${_q}")
# We may have just ended up with -D'' if there are no flags; filter that
set(define_flags
"$<$<NOT:$<STREQUAL:${_compile_defs_flags},-D${_q}${_q}>>:${_compile_defs_flags}>")
# Some of the definitions may be specified using -D flags in the global
# CXX_FLAGS variables; parse those out (this also picks up NDEBUG)