1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef CHRE_UTIL_TOOLCHAIN_H_ 18 #define CHRE_UTIL_TOOLCHAIN_H_ 19 20 /** 21 * @file 22 * Compiler/build toolchain-specific macros used by nanoapps and the CHRE system 23 */ 24 25 #if defined(__GNUC__) || defined(__clang__) 26 27 // Promoting float to double is a necessary part of vararg-based logging, so 28 // ignore those warnings when logging via chre/util/nanoapp/log.h 29 #define CHRE_LOG_PREAMBLE \ 30 _Pragma("GCC diagnostic push") \ 31 _Pragma("GCC diagnostic ignored \"-Wdouble-promotion\"") 32 33 #define CHRE_LOG_EPILOGUE \ 34 _Pragma("GCC diagnostic pop") 35 36 // Enable printf-style compiler warnings for mismatched format string and args 37 #define CHRE_PRINTF_ATTR(formatPos, argStart) \ 38 __attribute__((format(printf, formatPos, argStart))) 39 40 #else // if !defined(__GNUC__) && !defined(__clang__) 41 42 #error Need to add support for new compiler 43 44 #endif 45 46 #endif // CHRE_UTIL_TOOLCHAIN_H_ 47