[llvm] r312240 - Build LLVM with -Wstrict-prototypes enabled

[Alex Lorenz via llvm-commits]

Author: arphaman
Date: Thu Aug 31 06:23:24 2017
New Revision: 312240

URL: http://llvm.org/viewvc/llvm-project?rev=312240&view=rev
Log:
Build LLVM with -Wstrict-prototypes enabled

Clang 5 supports -Wstrict-prototypes. We should use it to catch any C
declarations that declare a non-prototype function.

rdar://33705313

Differential Revision: https://reviews.llvm.org/D36669

Modified:
    llvm/trunk/cmake/modules/HandleLLVMOptions.cmake

Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=312240&r1=312239&r2=312240&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Thu Aug 31 06:23:24 2017
@@ -581,6 +581,8 @@ if (LLVM_ENABLE_WARNINGS AND (LLVM_COMPI
 
   # Enable -Wstring-conversion to catch misuse of string literals.
   add_flag_if_supported("-Wstring-conversion" STRING_CONVERSION_FLAG)
+  # Enable -Wstrict-prototypes to catch incorrectly declared functions in C.
+  add_flag_if_supported("-Wstrict-prototypes" STRICT_PROTOTYPES_FLAG)
 endif (LLVM_ENABLE_WARNINGS AND (LLVM_COMPILER_IS_GCC_COMPATIBLE OR CLANG_CL))
 
 if (LLVM_COMPILER_IS_GCC_COMPATIBLE AND NOT LLVM_ENABLE_WARNINGS)