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| author | Eugene Zemtsov <ezemtsov@google.com> | 2017-09-01 23:12:43 +0000 |
|---|---|---|
| committer | Eugene Zemtsov <ezemtsov@google.com> | 2017-09-01 23:12:43 +0000 |
| commit | 52a37ca13c3006eaa78c37ef3cb347c10aec5d63 (patch) | |
| tree | 23ece8d2b75b3e9eabbfe110e5154807299d9a28 /cmake | |
| parent | 99106502b7a82f6ed4c923a6cbdbbf90fd2b0486 (diff) | |
| download | llvm-52a37ca13c3006eaa78c37ef3cb347c10aec5d63.tar.gz | |
Disable 64bit file position on old 32 bit Androids.
This is needed for building LLVM on Android with new NDK (newer
than r15c) and API level < 24. Android C library (Bionic) didn't have
support for 64 bit file position until Android N.
Differential Revision: https://reviews.llvm.org/D37314
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312389 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/modules/HandleLLVMOptions.cmake | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake index 86806140023..17a8aca06cd 100644 --- a/cmake/modules/HandleLLVMOptions.cmake +++ b/cmake/modules/HandleLLVMOptions.cmake @@ -233,8 +233,12 @@ if( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) endif( CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32 ) # If building on a GNU specific 32-bit system, make sure off_t is 64 bits -# so that off_t can stored offset > 2GB -if( CMAKE_SIZEOF_VOID_P EQUAL 4 ) +# so that off_t can stored offset > 2GB. +# Android until version N (API 24) doesn't support it. +if (ANDROID AND (ANDROID_NATIVE_API_LEVEL LESS 24)) + set(LLVM_FORCE_SMALLFILE_FOR_ANDROID TRUE) +endif() +if( CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT LLVM_FORCE_SMALLFILE_FOR_ANDROID) add_definitions( -D_LARGEFILE_SOURCE ) add_definitions( -D_FILE_OFFSET_BITS=64 ) endif() @@ -303,13 +307,13 @@ if( MSVC ) # especially so std::equal(nullptr, nullptr, nullptr) will not assert. add_definitions("-D_DEBUG_POINTER_IMPL=") endif() - + include(ChooseMSVCCRT) if( MSVC11 ) add_definitions(-D_VARIADIC_MAX=10) endif() - + # Add definitions that make MSVC much less annoying. add_definitions( # For some reason MS wants to deprecate a bunch of standard functions... @@ -370,7 +374,7 @@ if( MSVC ) string(FIND "${upper_exe_flags} ${upper_module_flags} ${upper_shared_flags}" "/INCREMENTAL" linker_flag_idx) - + if (${linker_flag_idx} GREATER -1) message(WARNING "/Brepro not compatible with /INCREMENTAL linking - builds will be non-deterministic") else() |