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Win32: Allow 32 bit SolveSpace to access up to 4GB of RAM.

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Link 32 bit SolveSpace for Windows with /LARGEADDRESSAWARE which allows
it to access up to 3GB of RAM on a properly configured 32 bit Windows and
up to 4GB on 64 bit.

See: https://msdn.microsoft.com/en-us/library/aa366778
https://docs.microsoft.com/en-us/cpp/build/reference/largeaddressaware-handle-large-addresses
https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#characteristics
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2003/cc786709
https://docs.microsoft.com/en-us/windows/win32/memory/4-gigabyte-tuning

Fixes: #1261
This commit is contained in:
ruevs 2022-06-26 14:58:36 +03:00 committed by Ryan A. Pavlik
parent 3b133bfd6d
commit d6e1b23006
1 changed files with 10 additions and 0 deletions
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10
CMakeLists.txt
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@ -91,6 +91,10 @@ endif()
if(MINGW)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libgcc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")
# Link 32 bit SolveSpace with --large-address-aware which allows it to access
# up to 3GB on a properly configured 32 bit Windows and up to 4GB on 64 bit.
# See https://msdn.microsoft.com/en-us/library/aa366778
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--large-address-aware")
endif()
# Ensure that all platforms use 64-bit IEEE floating point operations for consistency;
@ -376,6 +380,12 @@ if(MSVC)
# We rely on these /we flags. They correspond to the GNU-style flags below as
# follows: /w4062=-Wswitch
set(WARNING_FLAGS "${WARNING_FLAGS} /we4062")
# Link 32 bit SolveSpace with /LARGEADDRESSAWARE which allows it to access
# up to 3GB on a properly configured 32 bit Windows and up to 4GB on 64 bit.
# See https://msdn.microsoft.com/en-us/library/aa366778
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /LARGEADDRESSAWARE")
endif()
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")