[libcxx] r255187 - Replace cmake check for printf with a check for fopen.

[Evgeniy Stepanov via cfe-commits]

Author: eugenis
Date: Wed Dec  9 18:45:18 2015
New Revision: 255187

URL: http://llvm.org/viewvc/llvm-project?rev=255187&view=rev
Log:
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.

Modified:
    libcxx/trunk/cmake/config-ix.cmake

Modified: libcxx/trunk/cmake/config-ix.cmake
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/config-ix.cmake?rev=255187&r1=255186&r2=255187&view=diff
==============================================================================
--- libcxx/trunk/cmake/config-ix.cmake (original)
+++ libcxx/trunk/cmake/config-ix.cmake Wed Dec  9 18:45:18 2015
@@ -13,7 +13,7 @@ check_cxx_compiler_flag(/GR-
 
 # Check libraries
 check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
-check_library_exists(c printf "" LIBCXX_HAS_C_LIB)
+check_library_exists(c fopen "" LIBCXX_HAS_C_LIB)
 check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
 check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
 check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)