tree 0aba63cd8a9fd331b9c3d457f418915797b3ce98
parent edafe479684097c3be798a436edb4e094fec0022
author David Benjamin <davidben@google.com> 1494539425 -0400
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1494540847 +0000

Only fixup CMAKE_ASM_FLAGS -isysroot if CMAKE_OSX_SYSROOT is set.

Sometimes[1] CMake will do a build on Darwin without setting up
CMAKE_OSX_SYSROOT. This appears to be to support the "basic POSIX-only
case"[2]. The hard-coded CMake logic we're mimicking[3] handles this
case, so do the same.

[1] https://github.com/Kitware/CMake/blob/f6b93fbf3ae00a9157af2f6497bed074d585cea9/Modules/Platform/Darwin-Initialize.cmake#L48
[2] https://github.com/Kitware/CMake/commit/43b74793de80153b9446689adf79c4acf1391969
[3] https://github.com/Kitware/CMake/blob/master/Source/cmLocalGenerator.cxx#L1307

Change-Id: Ica5ae8510d07eca384cc366dd3de10b0c1ce0f81
Reviewed-on: https://boringssl-review.googlesource.com/16245
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>