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Replace cmake check for printf with a check for fopen. 

Printf is a builtin, and the check fails with -Werror because of a clang
warning about an incompatible redeclaration.

llvm-svn: 255188
This commit is contained in:
Evgeniy Stepanov 2015-12-10 00:47:08 +00:00
parent 2abfe726b2
commit 9b44fa87f3
1 changed files with 1 additions and 1 deletions
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2
libunwind/cmake/config-ix.cmake
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@ -39,7 +39,7 @@ check_cxx_compiler_flag(/EHs- LIBUNWIND_HAS_NO_EHS_FLAG)
check_cxx_compiler_flag(/EHa- LIBUNWIND_HAS_NO_EHA_FLAG)
check_cxx_compiler_flag(/GR- LIBUNWIND_HAS_NO_GR_FLAG)
check_library_exists(c printf "" LIBUNWIND_HAS_C_LIB)
check_library_exists(c fopen "" LIBUNWIND_HAS_C_LIB)
check_library_exists(dl dladdr "" LIBUNWIND_HAS_DL_LIB)
check_library_exists(pthread pthread_once "" LIBUNWIND_HAS_PTHREAD_LIB)