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build: allow optional use of Crinkler when linking examples

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5684185+vsariola@users.noreply.github.com 2023-09-02 22:33:48 +03:00
parent b028fea59a
commit c692ff0f16
1 changed files with 29 additions and 0 deletions
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29
examples/code/CMakeLists.txt
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@ -1,3 +1,32 @@
if(("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4") AND MSVC)
# in 32-bit mode with MSVC toolset, we can use Crinkler to compress the executable
set(CRINKLER_LEVEL "off" CACHE STRING "Crinkler compression level: off, light, medium, heavy")
if(NOT CRINKLER_LEVEL STREQUAL OFF)
find_program(CRINKLER NAMES Crinkler)
if (NOT CRINKLER)
message(WARNING "Crinkler not found. Cannot compress executable; using default linker. Get Crinkler from https://github.com/runestubbe/Crinkler & put it in path (as Crinkler.exe)")
set(CRINKLER_LEVEL OFF)
endif()
endif()
if (NOT CRINKLER_LEVEL STREQUAL OFF)
message(STATUS "Crinkler found at: ${CRINKLER}")
set(CRINKLER_FLAGS "/PROGRESSGUI /UNSAFEIMPORT /UNALIGNCODE /HASHSIZE:1000 /REPORT:<TARGET>.report.html")
# TBD: do we add /SATURATE
if (CRINKLER_LEVEL STREQUAL LIGHT)
set(CRINKLER_FLAGS "${CRINKLER_FLAGS} /HASHTRIES:100 /COMPMODE:INSTANT /ORDERTRIES:2000")
elseif (CRINKLER_LEVEL STREQUAL HEAVY)
set(CRINKLER_FLAGS "${CRINKLER_FLAGS} /HASHTRIES:1000 /COMPMODE:VERYSLOW /ORDERTRIES:30000")
else()
set(CRINKLER_FLAGS "${CRINKLER_FLAGS} /HASHTRIES:300 /COMPMODE:SLOW /ORDERTRIES:9000")
endif()
# we drop the whole manifest creation from the front; did not find a way to disable it from CMake otherwise
set (CMAKE_C_LINK_EXECUTABLE "${CRINKLER} <OBJECTS> /out:<TARGET> ${CRINKLER_FLAGS} <LINK_LIBRARIES>")
endif()
endif()
set_directory_properties(PROPERTIES EXCLUDE_FROM_ALL ON)
add_custom_target(examples)