makefile if exit
Makefile:17: *** Undefined OUT_DIR (build directory). Stop. ... It's sometimes OK if the variable is defined with an empty value. I'd use $(if $(filter ..., Each update command in a Makefile rule is executed in a separate shell. So $? does not contain the exit status of the previous failed command, ...,I have a make file that needs to have allot of options set. Some of these are based on uname and such, some are passed in the call to make. I need to | The UNIX ... , There is no such thing as $(ifeq) . I still think you should do the check in the makefile itself, not as one of the targets: ifeq ($(CROSS_COMPILE) ..., As geekosaur says you can't put a shell command like exit 1 as a makefile operation. Makefiles are not shell scripts, although they can contain ..., Each line in the makefile action invokes a new shell - the error must be ... If all you want is for the make to be aborted iff the tool exits with a ..., ... you should simply not, ever, use csh (or tcsh ) for writing makefile rules. Write the rule using POSIX shell: .PHONY: run run: md5sum -c md; - if ..., Makefile 在Linux 環境下，通常是用來撰寫編譯c 語言的指令，例如我們 ... compress: if [ -f "all.js" ]; then rm all.js ; fi; touch all.js; cat xx1.js >> all.js ..., exit alone returns the status of the last command executed. In this case, it returns zero, which means everything is ok. This is, because || and ..., 而if 裡的最後一個敘述是rm -rf，通常是不會遇到問題，因此exit code 是0， ... 得用$$ 代表$，因為單一的$ 會被make 認為是Makefile 自身的變數～.
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 makefile if exit 相關參考資料
Abort makefile if variable not set - Stack Overflow
Makefile:17: *** Undefined OUT_DIR (build directory). Stop. ... It's sometimes OK if the variable is defined with an empty value. I'd use $(if $(filter ... https://stackoverflow.com Don't stop make'ing if a command fails, but check exit status ...
Each update command in a Makefile rule is executed in a separate shell. So $? does not contain the exit status of the previous failed command, ... https://unix.stackexchange.com echo and exit from makefile - UNIX and Linux Forums - Unix.com
I have a make file that needs to have allot of options set. Some of these are based on uname and such, some are passed in the call to make. I need to | The UNIX ... https://www.unix.com Exiting from a make file if the state of two shell variables are a ...
There is no such thing as $(ifeq) . I still think you should do the check in the makefile itself, not as one of the targets: ifeq ($(CROSS_COMPILE) ... https://stackoverflow.com Get exit code 1 on Makefile if statement - Stack Overflow
As geekosaur says you can't put a shell command like exit 1 as a makefile operation. Makefiles are not shell scripts, although they can contain ... https://stackoverflow.com How to get exit status of a shell command used in GNU Makefile ...
Each line in the makefile action invokes a new shell - the error must be ... If all you want is for the make to be aborted iff the tool exits with a ... https://stackoverflow.com How To test the exit status, and do something in Makefile - Stack ...
... you should simply not, ever, use csh (or tcsh ) for writing makefile rules. Write the rule using POSIX shell: .PHONY: run run: md5sum -c md; - if ... https://stackoverflow.com Makefile 的寫法與用途 - Puritys Blog
Makefile 在Linux 環境下，通常是用來撰寫編譯c 語言的指令，例如我們 ... compress: if [ -f "all.js" ]; then rm all.js ; fi; touch all.js; cat xx1.js >> all.js ... https://www.puritys.me Testing if a file exists in makefile target, and quitting if not ...
exit alone returns the status of the last command executed. In this case, it returns zero, which means everything is ok. This is, because || and ... https://stackoverflow.com [Linux] 在Makefile 裡的if 敘述裡執行多行指令| EPH 的程式日記
而if 裡的最後一個敘述是rm -rf，通常是不會遇到問題，因此exit code 是0， ... 得用$$ 代表$，因為單一的$ 會被make 認為是Makefile 自身的變數～. https://ephrain.net |