makefile findstring example
This statement: ifeq ($(findstring $@, $(APP_OBJS)), $@). is a Make conditional, and Make will evaluate before executing any rule, and therefore before the automatic variable $@ has a value. So Make expands "$@" to nothing: ifeq ($(findstring ,,Thus, the two examples,. $(findstring a,a b c) $(findstring a,b c). produce the values ' a ' and ' ' (the empty string), respectively. See Testing Flags, for a practical application of findstring . $(filter pattern …, text ). Returns all w
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 makefile findstring example 相關參考資料
Makefile : contains string - Stack Overflow
The findstring function is what your heart desires: $(findstring find , in ). Searches in for an occurrence of find. If it occurs, the value is find; otherwise, the value is empty. You can use this f... https://stackoverflow.com c - Makefile 'ifeq''findstring' Seemingly Incorrect String ...
This statement: ifeq ($(findstring $@, $(APP_OBJS)), $@). is a Make conditional, and Make will evaluate before executing any rule, and therefore before the automatic variable $@ has a value. So Make ... https://stackoverflow.com GNU make: Text Functions
Thus, the two examples,. $(findstring a,a b c) $(findstring a,b c). produce the values ' a ' and ' ' (the empty string), respectively. See Testing Flags, for a practical application of... https://www.gnu.org 雜記: Makefile字串函式的用法
Makefile字串函式的用法 ... 名稱：查找字符串函數——findstring。 功能：在字串<in>中查找<find>字串。 返回：如果找到，那麼返回<find>，否則返回空字符串。 示例： $(findstring a,a b c) $(findstring a,b c) 第一個函數返回「a」字符串，第二個返回「」字符串（空字符串） $(filter... http://deanjai.blogspot.com 跟我一起写Makefile:使用函数- Ubuntu中文
使用函数. 在Makefile中可以使用函数来处理变量，从而让我们的命令或是规则更为的灵活和具有智能。make所支持的函数也不算很多，不过已经足够我们的操作了。函数调用后，函数的返回值可以当做变量来使用。 函数的调用语法. 函数调用，很像变量的使用，也是以“$”来标识的，其語法如下： $(<function> <arguments>). 或是 http://wiki.ubuntu.org.cn 程式扎記: [GNU Make] 函式: 內建函式
GNU make 提供不少內建函式可用來操作變數和它們的內容. make 的函式可以分類為: 字串操作, 檔名操作, 流程控制, 使用者自訂函式以及若干 (重要的) 雜項函式. 但首先你應該多 ... 在make 中我們有 filter, filter-out 和 findstring 等函式可以使用. 首先來看 filter: ...... Conditional Example: Examp... http://puremonkey2010.blogspot Makefile Tutorial by Example
Intro This file will make some_binary the first time, and the second time notice it's already made, resulting in make: 'some_binary' is up to date. some_binary: touch some_binary. Intro Al... http://makefiletutorial.com Gnu - Make - Help - findstring & ifeq
I'm trying to do conditional compilation using findstring and ifeq in the makefile, but having errors. Can anyone advise how to best do this? The problem I am having is with a simple 'ifeq'... http://gnu-make.2324884.n4.nab 跟我一起写Makefile（九） - CSDN博客
使用函数————在Makefile中可以使用函数来处理变量，从而让我们的命令或是规则更为的灵活和具有智能。make所支持的函数也不算很多，不过已经足够 ... $(findstring a,a b c) $(findstring a,b c). 第一个函数返回“a”字符串，第二个返回“”字符串（空字符串）. $(filter <pattern...>,<text>). 名... https://blog.csdn.net findstring & ifeq - GNU mailing lists
I'm trying to do conditional compilation using findstring and ifeq in the makefile, but having errors. Can anyone advise how to best do this? The problem I am having is with a simple 'ifeq... https://lists.gnu.org |