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Make ifeq example

WebUNAME := $(shell uname -m) all: $(info Checking if custom header is needed) ifeq ($(UNAME), x86_64) ... do some things to build unistd_32.h endif @make -C $(KDIR) … Web18 jan. 2016 · Makefileにおける条件文 foo の値に応じて異なる処理する場合、条件文が使えます。 # Makefile抜粋 ifdef foo FN=$ {foo} else FN=default endif make foo=bar の場合、 FN が bar となって、 make のみなら、 FN が default になります。 ifdef 以外にも、 ifndef 、 ifeq など多数ありますので、 7. Makefileの条件文 を参考してください。 Register …

11. Example Makefiles - Managing Projects with GNU …

Web13 dec. 2024 · 其实 ifneq 和 ifeq 的使用方法是完全相同的，只不过是满足条件后执行的语句正好相反。 3. ifdef 和 ifndef 使用方式如下： ifdef VARIABLE_NAME 1 它的主要功能是判断变量的值是不是为空，示例 1 a = b = $ (a) all: ifdef b echo yes else echo no endif 1 2 3 4 5 6 7 8 执行 make 之后的输出 wohu@ubuntu:~/cpp/ifeq$ make echo yes yes … WebMakefiles are the solution to simplify this task. Makefiles are special format files that help build and manage the projects automatically. For example, let’s assume we have the following source files. main.cpp hello.cpp factorial.cpp functions.h main.cpp The following is the code for main.cpp source file − halikko steel https://meg-auto.com

使用条件判断 — 跟我一起写Makefile 1.0 文档

WebThe most simple kbuild makefile contains one line: Example: obj-y += foo.o This tells kbuild that there is one object in that directory, named foo.o. foo.o will be built from foo.c or foo.S. If foo.o shall be built as a module, the variable obj-m is used. Therefore the following pattern is often used: Example: obj-$ (CONFIG_FOO) += foo.o http://korea.gnu.org/manual/4check/make-3.77/ko/make_7.html Web条件表达式的语法为： ; ; endif 以及： ; ; else ; endif 其中;表示条件关键字，如“ifeq”。 这个关键字有四个，如下： 形式一： ifeq (, ) 语句1 else 语句2 endif 或者： ifeq (, ) 语句1 else ifeq (, ) 语句2 else 语句3 endif halikontie salo

GNU make - Makefile의 조건 부분(Conditional Parts of Makefiles)

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Make ifeq example

The difference between Makefile

WebHere is an example of ampere common instance, where a variable holds the names of show the object files in a program: Variables within Recipes (GNU make) objects = program.o foo.o utils.o program : $(objects) cc -o program $(objects) $(objects) : defs.h Variable ... Web1 dag geleden · 全志v853 在 eyesee-mpp 中添加一个hello_world sample 的流程 [复制链接] **1. 为什么要在eyesee-mpp 中添加sample？. ** 1）保持整个openwrt 应用程序编写的完成性； 2）eyesee-mpp 中包含了几乎所有全志视频音频模块的sample 以及 头文件，参考以及头文件调用起来非常方便，而且 ...

Make ifeq example

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Web31 jan. 2024 · The ifeq/else/endifblock is an example of a conditionaldirective. The variable USE_VERBOSE_COMPILEis used by ChibiOS to control the logging of additional information, with increased output to stdoutwhen set to yes. Typically makefiles print (aka echo) each line before executing it. Web7 sep. 2016 · （2）最近在学习makefile的过程中遇到需要用ifeq进行逻辑与判断，但是ifeq并没有像其他编程语言那样有 逻辑或（ ） 逻辑与（&&） 的符号可用。 这时候需要变通一下。 1）逻辑与变通实现： 举例说明：比如需要判断两个变量 VALUE1 和 VALUE2 的值都存在才执行某个动作，这需要逻辑与的判断 C语言的逻辑： if ( VALUE1 && VALUE2) { do …

WebAs this example illustrates, conditionals work at the textual level:the lines of the conditional are treated as part of the makefile, orignored, according to the condition. … http://bbs.eeworld.com.cn/thread-1239690-1-1.html

Web23 jul. 2024 · makefile 的 ifdef, ifeq 使用及辨析. ifdef DEBUG CFLAGS += -DDEBUG=1 -O0 -ggdb RELMODE = debug else CFLAGS += -DDEBUG=0 -O0 -s RELMODE = release … WebCHK = 0 default: ifeq ($(CHK), 0) echo "ok" else echo "not ok" endif Otherwise Make passes them to the shell, rather than handling them itself. Share. Improve this answer. Follow edited Feb 24, 2024 at 16:07. answered Feb 24 ...

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Web9 dec. 2024 · You can continue reading the bytecode and understand what invokevirtual, getstatic or ifeq mean. Attributes: Information about the actual source file is displayed here. For example we can see the name of the file that points to the Constant Pool map: Note: If you want to see the code using the javap tool you can issue the following command: halikon apteekki aukioloajatWebIn this example, the outmost ifgt () function has these 4 parameters: DBRegionMarketAvg 250000g 70% DBRegionMarketAvg ifgt (DBRegionMarketAvg, 100000g, 50% DBRegionMarketAvg, 20% DBRegionMarketAvg) As you can see, the inner ifgt () function is actually the fourth parameter of the outmost ifgt () function. halikkokoti saloWeb*RFC PATCH 00/34] The rest of the x86_64-gnu port @ 2024-03-19 15:09 Sergey Bugaev 2024-03-19 15:09 ` [RFC PATCH gnumach 01/34] Add i386_fsgs_base_state Sergey Bugaev ` (36 more replies) 0 siblings, 37 replies; 132+ messages in thread From: Sergey Bugaev @ 2024-03-19 15:09 UTC (permalink / raw) To: libc-alpha, bug-hurd; +Cc: halihaluoWebVerilator open-source SystemVerilog simulator and lint system - verilator/Makefile at master · verilator/verilator halina kielanWebExample Makefiles. The makefile s shown throughout this book are industrial strength and quite suitable for adapting to your most advanced needs. But it’s still worthwhile looking … halima liveWebThe ifeq directive begins the conditional, and specifies the condition. It contains two arguments, separated by a comma and surrounded by parentheses. Variable substitution … halime hatun ilkokuluWeb4 okt. 2011 · For example ifeq ($ (GCC_MINOR),$ (filter $ (GCC_MINOR),4 5)) filter X, A B will return those of A,B that are equal to X. Note, while this is not relevant in the above example, this is a XOR operation. I.e. if you instead have something like: ifeq (4, $ (filter … halimin put