-Werror-implicit-function-declaration 是GCC(GNU Compiler Collection)编译器的一个编译选项。这个选项将隐式函数声明的警告(-Wimplicit-function-declaration)提升为错误。默认情况下,当编译器遇到一个未声明的函数时,它会发出警告并假定该函数返回 int 类型。启用 -Werror 后,这些警告会被视为错误,导致编译失败。
error: implicit declaration of function 'm' is invalid in C99 [-Werror,-Wimplicit-function-declaration] (gcc 中会报出 warning,而不是 error) 经过排查,发现是没有在头文件那里提前声明自定义函数,所以提前声明之后再进行编译就 OK 了. 这种声明称为函数原型,作用是让编译器在编译时对程序中的函数调用检...
1.30.0 fails to build on Mac OS X 10.7: src/lib/ares_event_configchg.c:370:11: error: implicit declaration of function 'fcntl' [-Werror,-Wimplicit-function-declaration] flags = fcntl((*configchg)->fd, F_GETFL, 0); ^ src/lib/ares_event_co...
GCC 9 emits the following new warning: cc1plus: warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++ Please remove the flag for C++ code.
vtls/openssl.c:479:15: error: implicit declaration of function ‘RAND_egd’ [-Werror=implicit-function-declaration] int ret = RAND_egd(data->set.str[STRING_SSL_EGDSOCKET]? 1. 2. 这个是新版本的问题,如果不影响使用,可以换老版本,如:curl-7.69.1.tar.gz...
mac pyenv install 报错 error: implicit declaration of function 'sendfile' is invalid in C99 [-Werror,-Wimplicit-function-declaration] 执行pyenv install 3.8.0报错 解决办法 CFLAGS="-I$(brew --prefix openssl)/include -I$(brew --prefix bzip2)/include -I$(brew --prefix readline)/include -I...
错错误:隐式声明函数‘init_MUTEX’[-Werror=implicit-function-declaration]误:隐式声明函数‘init_MUTEX’[-Werror=implicit-function-declaration] 分类:Linux驱动2012-07-2321:332200人阅读评论(0)收藏举报 semaphorestructdocumentationliststructurelinux
/Users/tsit/tsjdk8-project/openjdk8/jdk/src/share/native/sun/misc/URLClassPath.c:58:5: error: implicit declaration of function 'VerifyFixClassname' is invalid in C99 [-Werror,-Wimplicit-function-declaration] VerifyFixClassname(clname); ...
builds/unix/ftsystem.c:325:22: error: implicit declaration of function 'read'[-Werror,-Wimplicit-function-declaration]read_count = read( file,^builds/unix/ftsystem.c:325:22: note: did you mean 'fread'?/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX...
relro -flto -o example example.o libz.a /tmp/ccL03c39.ltrans0.ltrans.o: In function `x86_check_features': <artificial>:(.text+0xb975): undefined reference to `_xgetbv' collect2: error: ld returned 1 exit status Related: #1664 Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>...