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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

llvm-svn: 309483
This commit is contained in:
Michal Gorny 2017-07-29 08:10:24 +00:00
parent 546805b537
commit 5b253b0ff7
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")