makefile 中的变量除了在 makefile 中自定义的之外,还可以来自 make 内置缺省变量(default variable)、make 内置自动化变量(automatic variable)、命令行变量(command line variable)、系统环境变量(environment variable)、目标指定变量(target-specific variable)、模式指定变量(pattern-specific variable)。 系统环境变量 ...
Options:-b, -m Ignoredforcompatibility.-B, --always-make Unconditionally make all targets.-C DIRECTORY, --directory=DIRECTORY Change to DIRECTORY before doing anything.-d Print lots of debugging information.--debug[=FLAGS] Print various types of debugging information.-e, --environment-overrides ...
1.) Join the variable initialization and the variable use into a single shell command, so that one child shell will execute both:all: GOGO: export HAI=HELLO; \ echo $$HAINot very flexible, but it works.2.) Use Makefile variables instead of environment variables:HAI=HELLOall: G...
这里简单举个例子，假如我想要对一个test.c源文件进行编译，最终生成一个mytest的可执行程序，那么我们...
示例代码35.5.7顶层 Makefile 代码段179# Use make M=dir to specify directory of external module to build180# Old syntax make ... SUBDIRS=$PWD is still supported181# Setting the environment variable KBUILD_EXTMOD take precedence182ifdef SUBDIRS183KBUILD_EXTMOD ?= $(SUBDIRS)184endif185186ifeq ("...
${env:ENVIRONMENT_VARIABLE} ${config:ANY_EXTENSION_SCOPE.ANY_SETTING_ID} ${command:ANY_EXTENSION_SCOPE.ANY_COMMAND_ID} ${configuration}and${command:makefile.getConfiguration} ${buildTarget}and${command:makefile.getBuildTarget} You can use this syntax in your settings.json, a...
# Use "make O=dir/to/store/output/files/" # # 2) Set KBUILD_OUTPUT # Set the environment variable KBUILD_OUTPUT to point to the output directory.# export KBUILD_OUTPUT=dir/to/store/output/files/; make # # The O= assignment takes precedence over the KBUILD_OUTPUT environment ...
# Use makeM=dir orsetthe environment variableKBUILD_EXTMODto specify the # directoryofexternal module to build.SettingM=takes precedence.ifeq("$(origin M)","command line")KBUILD_EXTMOD:=$(M)endif module.bbclass里定义的变量KERNEL_SRC的代码: ...
Use 32-bit ActiveX Control in 64-bit application Use C# class in C++ application Use of DUMPBIN tool with x64 executable use of release dll's in debug build USERDOMAIN environment variable not found using GetEnvironmentVariable API Using _tcscat_s Using AfxMessageBox Using C++, how can I mak...
environment variable so that the Makefiles do not have to contain this path all the time. * OCAMLFIND - ocamlfind from findlib (default: ocamlfind) * OCAML - OCaml interpreter (default: ocaml) * OCAMLC - byte-code compiler (default: ocamlc) ...