It seems like CMAKE_CXX_FLAGS is getting double appended when building as a nested cmake project,
which breaks my build as gcc does not allow -specs=nosys.specs to be called multiple times.
Removing this fixes it and seems to keep the same compile options, just removing the duplicate definition.
diff --git a/googletest/cmake/internal_utils.cmake b/googletest/cmake/internal_utils.cmake
index b78dbcc..dc9186e 100644
--- a/googletest/cmake/internal_utils.cmake
+++ b/googletest/cmake/internal_utils.cmake
@@ -138,7 +138,7 @@
set(cxx_base_flags "${cxx_base_flags} ${GTEST_HAS_PTHREAD_MACRO}")
# For building gtest's own tests and samples.
- set(cxx_exception "${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_exception_flags}")
+ set(cxx_exception "${cxx_base_flags} ${cxx_exception_flags}")
set(cxx_no_exception
"${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_no_exception_flags}")
set(cxx_default "${cxx_exception}")
