1 上面的警告显示-Wunused-but-set-variable，意思就是变量没有被使用。要是我们不想看到这样的警告，则在编译中加入 –Wno-unused-but-set-variable即可。再来编译，就不会产生warning了。注意事项 gcc的这些警告本是为了帮助我们发现低级问题的，如果不让warning打印，那么必然要承担相应的风险，不过本文的这种warnin...
没有什么是错误的编译器只是警告你你声明了一个变量，你没有使用它。这只是一个警告，而不是错误。虽...
a.c:4:14: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] double x,y; ^a.c: At top level:a.c:17:5: error: expected identifier or ‘(’ before ‘else’ else ^~~~a.c:21:12: error: expected declaration specifiers or ‘...’ before string constant printf...
SET( CMAKE_BUILD_TYPE Release ) ENDIF()IF(CMAKE_COMPILER_IS_GNUCXX )#设置编译选项参数SET(CMAKE_CXX_FLAGS_DEBUG"-O0 -g") SET(CMAKE_CXX_FLAGS_RELEASE"-O3 -DNDEBUG") ADD_DEFINITIONS("-Wall -Werror -Wno-unused-variable -Wno-unused-but-set-variable -Wno-unknown-pragmas") ENDIF()##...
mtune=mips32r2 -fno-caller-saves -fhonour-copts -Wno-error=unused-but-set-variable -msoft-float" LD="/home/nathan/openwrt/sdk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-uclibc-ld" NM="/home/nathan/openwrt/sdk/staging_dir/toolchain-mips_r2_gcc...
-- Performing Test HAVE_CXX_W_unused_but_set_variable - Success -- Performing Test HAVE_CXX_W_misleading_indentation -- Performing Test HAVE_CXX_W_misleading_indentation - Success -- Performing Test HAVE_CXX_W_maybe_uninitialized -- Performing Test HAVE_CXX_W_maybe_uninitialized - Succes...
C语言程序设计(第4版)》-CodeBlocks常见编程错误英汉对照-051 2.1.2.5 Code::Blocks常见编译错误和警告信息的英汉对照 Code::Blocks常见编译错误和警告信息的英汉对照如表2-1所示。
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CMake支持大写、小写、混合大小写的命令 实例一 CMAKE_MINIMUM_REQUIRED(VERSION 2.8) #声明Cmake版本,如果低于指定版本则会停止处理工程文件,并报告错误 PROJECT(XXX) SET(CMAKE_BUILD_TYPE Release) SET(CMAKE
Call CMFCToolBar::SetMenuSizes to set this global variable. CMFCToolBar::GetOrigButtons Retrieves the collection of non-customized buttons of the toolbar. Copy const CObList& GetOrigButtons() const; Return Value A reference to the list of non-customized buttons of the toolbar. Remarks ...