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Process compile flag lists like link_flags #724

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Process compile flag lists like link_flags #724

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fee4e26
Process compile flag lists like link_flags
eirrgang Aug 14, 2025
5a3d1e6
Merge remote-tracking branch 'origin/develop' into 723-quoting
eirrgang Apr 30, 2026
1931b2e
Use a less invasive fix.
eirrgang Apr 30, 2026
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8 changes: 8 additions & 0 deletions cmake/thirdparty/BLTSetupOpenMP.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,14 @@ endif()
message(STATUS "BLT OpenMP Compile Flags: ${_compile_flags}")
message(STATUS "BLT OpenMP Link Flags: ${_link_flags}")

# COMPILE_OPTIONS and INTERFACE_COMPILE_OPTIONS are semicolon-delimited lists,
# but the string in _compile_flags may be a space-delimited string of command line options.
# "SHELL:" causes the flags to be not de-duplicated and parsed with separate_arguments.
# Ref https://github.com/llnl/blt/issues/723
if(NOT "${_compile_flags}" MATCHES SHELL:)
set(_compile_flags "SHELL:${_compile_flags}")
endif()

blt_import_library(NAME openmp
COMPILE_FLAGS ${_compile_flags}
LINK_FLAGS ${_link_flags}
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