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[OCaml] Pass -D/-UNDEBUG through to ocamlc

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Detect [/-][DU]NDEBUG in CMAKE_C_FLAGS* and pass them through to ocamlc.
This is necessary because their value might affect visibility of dump
functions in LLVM and ocamlc uses its own compiler and flags by default.

Differential Revision: https://reviews.llvm.org/D35898

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309483 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michal Gorny 2017-07-29 08:10:24 +00:00
parent cb5fd996a0
commit a405cd45b7
1 changed files with 5 additions and 0 deletions
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5
cmake/modules/AddOCaml.cmake
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@ -87,6 +87,11 @@ function(add_ocaml_library name)
foreach( include_dir ${LLVM_INCLUDE_DIR} ${LLVM_MAIN_INCLUDE_DIR} )
set(c_flags "${c_flags} -I${include_dir}")
endforeach()
# include -D/-UNDEBUG to match dump function visibility
# regex from HandleLLVMOptions.cmake
string(REGEX MATCH "(^| )[/-][UD] *NDEBUG($| )" flag_matches
"${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${CMAKE_C_FLAGS}")
set(c_flags "${c_flags} ${flag_matches}")
foreach( ocaml_file ${ARG_OCAML} )
list(APPEND sources "${ocaml_file}.mli" "${ocaml_file}.ml")