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| author | Reid Kleckner <rnk@google.com> | 2016-12-22 19:12:14 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2016-12-22 19:12:14 +0000 |
| commit | c2b56634cfae06e4c2c373b96bc4da144adfe86f (patch) | |
| tree | bb7caed7d00706660df4253d73841534a93fcfc4 /llvm/cmake/modules | |
| parent | 143a937f79e8117ba3bace743d8476ab9dea0ba2 (diff) | |
| download | bcm5719-llvm-c2b56634cfae06e4c2c373b96bc4da144adfe86f.tar.gz bcm5719-llvm-c2b56634cfae06e4c2c373b96bc4da144adfe86f.zip | |
Pass -Wa,-mbig-obj in 64-bit mingw builds
COFF has a 2**16 section limit, and on Win64, every COMDAT function
creates at least 3 sections: .text, .pdata, and .xdata. For MSVC, we
enable bigobj on a file-by-file basis, but GCC appears to hit the limit
on different files.
Fixes PR25953
llvm-svn: 290358
Diffstat (limited to 'llvm/cmake/modules')
| -rw-r--r-- | llvm/cmake/modules/HandleLLVMOptions.cmake | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake index 964fa59c0ba..133e8ef3d8a 100644 --- a/llvm/cmake/modules/HandleLLVMOptions.cmake +++ b/llvm/cmake/modules/HandleLLVMOptions.cmake @@ -232,6 +232,13 @@ if(MSVC) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10000000") elseif(MINGW) # FIXME: Also cygwin? set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,16777216") + + # Pass -mbig-obj to mingw gas on Win64. COFF has a 2**16 section limit, and + # on Win64, every COMDAT function creates at least 3 sections: .text, .pdata, + # and .xdata. + if (CMAKE_SIZEOF_VOID_P EQUAL 8) + append("-Wa,-mbig-obj" CMAKE_C_FLAGS CMAKE_CXX_FLAGS) + endif() endif() if( MSVC ) |
