如遇到如下错误: fs/overlayfs/super.c: In function ‘ovl_init’: fs/overlayfs/super.c:1331:30: error: ‘ovl_v1_fs_type’ undeclared (first use in this function) ret = register_filesystem(&ovl_v1_fs_type); ^ fs/overlayfs/super.c:1331:30: note: each undeclared identifier is report...
GraphicsMagick安装报错:freetype报错'FT_ENCODING_PRC' undeclared (first use in this function) 这问题一般是和下方的note有关 以此图为例 FT_ENCODING_PRC的报错原因是annotate.c的encoding_type设置失败导致的 以magick为例,设置encoding_type时如果系统环境不支持忽略大小写,那么encoding_type=encoding_gb2312的赋值...
c语言:error: ‘true’ undeclared (first use in this function)error: unknown type name ‘bool’解决方法:包含<stdbool.h>头文件。错误提示:src/tools/start.c: In function ‘start’:src/tools/start.c:4:5: warning: incompatible implicit declaration of
make: *** [/private/tmp/freetype-zo03/freetype-2.5.2/objs/ftdebug.lo] Error 1 Error: Homebrew doesn't know what compiler versions ship with your version of Xcode (3.2.2). Please `brew update` and if that doesn't help, file an issue with the output of `brew --config`: https:/...
GraphicsMagick安装报错:freetype报错'FT_ENCODING_PRC' undeclared (first use in this function) 这问题一般是和下方的note有关 以此图为例 FT_ENCODING_PRC的报错原因是annotate.c的encoding_type设置失败导致的 以magick为例,设置encoding_type时如果系统环境不支持忽略大小写,那么encoding_type=encoding_gb2312的...
main.c:Infunction‘main’: main.c:6:4: error: unknown type name ‘bool’ 6|bool x =1; |^~~~ main.c:11:4: error: unknown type name ‘bool’ 11|bool y = *(bool*)p; |^~~~ main.c:11:15: error: ‘bool’undeclared(first useinthisfunction) ...
gd_jpeg.c:193: error: `JPEG_LIB_VERSION' undeclared (first use in this function) gd_jpeg.c:198: error: `JPEG_COM' undeclared (first use in this function) gd_jpeg.c:222: error: `nlines' undeclared (first use in this function) ...
错误:‘retuen’ undeclared (first use in this function) 这个错误发生在第86行,表明’retuen’未被声明。这很可能是一个拼写错误,应该是’return’而不是’retuen’。 警告:implicit declaration of function ‘read’; did you mean ‘fread’? 这个警告发生在第94行,表示在函数中隐式声明了一个名为’rea...
-Warc-maybe-repeated-use-of-weak "weak %select{variable|property|implicit property|instance variable}0 %1 may be accessed multiple times in this %select{function|method|block|lambda}2 and may be unpredictably set to nil assign to a strong variable to keep the object alive -Warc-non-pod-mema...
Why does this static_assert on a pointer to an incomplete type in a templated function apparently work? In the process of replacing a static_assert in a templated function with a requires statement, we discovered that firstly, the function was occasionally being used on an incomplete type, and...