[CMake] Remove LLDB_TEST_USE_CUSTOM_C(XX)_COMPILER
Given that LLDB_TEST_USE_CUSTOM_C_COMPILER and LLDB_TEST_C_COMPILER are
both set at configuration time, I don't really see the point of having
both. This patch simplifies things and uses the custom C/C++ compiler
when the variable is set, and uses the default one when it's not set.
The variable can be unset by passing -ULLDB_TEST_C_COMPILER to CMake.
Differential revision: https://reviews.llvm.org/D66429
llvm-svn: 369435
GitOrigin-RevId: 8509b0a7788a27f1211b6d0a4a676f11b114211f
3 files changed
