# Set our own. .DEFAULT_GOAL := foo This makefile prints: no default goal is set default goal is foo default goal is bar foo 9.2 Arguments to Specify the Goals https://www.gnu.org/software/make/manual/html_node/Goals.html#Goals By default, the goal is the first target in the make...
在makefile中取消定义多个环境变量,可以通过以下步骤实现: 1. 首先,需要了解makefile中定义环境变量的语法。在makefile中,可以使用`export`关键字来定义环境变量,语法如...
从terminal中将变量传入makefile, 直接make var=2接口,makefile内部直接将var作为一个为赋值的变量就可以。该var的值也可以作为target,来从外部控制makefile流程。 Makefile中的条件判断:make是在读取Makefile时就计算表达式的值,并根据条件表达式的值来选择语句,所以不应该吧自动化变量如($@)放在条件表达式中。 1)i...
# (See Makefile.gtk+-2.0 for an example) # * to search sources in more directories, set to <SRCDIRS> # * to specify your favorite program name, set to <PROGRAM> # 3. Type make to start building your program. # # Make Target: # --- # The Makefile provides the following targets...
在上面的示例中,CC变量设置为gcc,CFLAGS变量设置为-Wall -O2,TARGET变量设置为myprogram。在规则中使用这些变量来指定编译器、编译选项和目标文件名。 这是一个简单的示例,展示了如何在makefile规则中设置变量。根据具体的需求,可以设置更多的变量,并在规则中使用它们来完成更复杂的任务。 腾讯云相关产品和产品介绍链接...
(CONFIG_ARCH_ROCKCHIP),y) # On ARM64 this target is produced by binman so we don't need this dep ifeq ($(CONFIG_ARM64),y) ifeq ($(CONFIG_SPL),y) # TODO: Get binman to generate this too INPUTS-y += u-boot-rockchip.bin endif else ifeq ($(CONFIG_SPL),y) # Generate ...
example1 example2 example3: deptarget1 deptarget2 depfile 该目标行指出目标名表中的example1、example2、example3这三个各自独立的目标是用相同的依赖列表和规则生成的。 clean: 空的依赖列表说明目标clean没有其他依赖关系。 目标行后续的以Tab 开始的行是指出目标的生成规则,该Tab字符不能以空格代替。例如: ...
set(MAKE_PATH "D:/AndroidSDK/ndk/21.1.6352462/prebuilt/windows-x86_64/bin/make.exe") # referred to the variable on the last line of this statment add_custom_target(libwg-go.so WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/libwg-go" COMMENT "Building wireguard-go" VERBATIM COMMAND $...
You can set target-specific defaults in the Makefile.am, or you can set the default in the configure.ac, and that'll apply to everything you build in the project. See section 4.8.1 (and 5.10.4) in the autoconf manual. Note the remarks in 4.8.1 about not second-guessing the eventu...
Everything in the makefiles is working correctly, however callingmake testdoes not alter the variable$DEBUG: both$CXXFLAGSand$BUILDDIRstill get set to the values they would have for a deployment built. Is there a way to first set$DEBUG := 1inMakefilewhen the target istest, and then norm...