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CMake: Fix PGO on non-GNU platforms

This commit is contained in:
Vicki Pfau 2020-09-09 19:57:41 -07:00
parent 11f105eec7
commit 94fc963c89
1 changed files with 4 additions and 0 deletions
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4
CMakeLists.txt
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@ -166,6 +166,10 @@ mark_as_advanced(BUILD_LTO BUILD_PGO PGO_STAGE_2 PGO_DIR)
set(PGO_PRE_FLAGS "-fprofile-generate=${PGO_DIR} -fprofile-arcs")
set(PGO_POST_FLAGS "-fprofile-use=${PGO_DIR} -fbranch-probabilities")
if(BUILD_PGO AND CMAKE_SYSTEM_NAME STREQUAL "Generic")
add_definitions(-DTARGET_POSIX_IO)
endif()
if(BUILD_PGO AND NOT PGO_STAGE_2)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${PGO_PRE_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${PGO_PRE_FLAGS}")