[CMake] Don't use -rtlib=compiler-rt with -nodefaultlibs.
authorCharles Davis <cdavis5x@gmail.com>
Tue, 4 Sep 2018 20:57:50 +0000 (20:57 +0000)
committerCharles Davis <cdavis5x@gmail.com>
Tue, 4 Sep 2018 20:57:50 +0000 (20:57 +0000)
commit4c08654b17118106919500a51e9623fbc8470b3a
tree8effb7d0429bce5ad3de7e9dd8bf5225173d0050
parenta47957ab130122f874548315aec198b7d1005fb9
[CMake] Don't use -rtlib=compiler-rt with -nodefaultlibs.

Summary:
This switch only has an effect at link time. It changes the default
compiler support library to `compiler-rt`. With `-nodefaultlibs`, this
library won't get linked anyway; Clang actually warns about that.

Reviewers: mstorsjo, rnk

Subscribers: dberris, mgorny, christof, cfe-commits

Differential Revision: https://reviews.llvm.org/D51645

llvm-svn: 341404
libunwind/CMakeLists.txt
libunwind/cmake/config-ix.cmake