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Re: Passing environment variables in reciepes

From: Greg Chicares
Subject: Re: Passing environment variables in reciepes
Date: Wed, 08 Dec 2010 12:23:48 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20101027 Thunderbird/3.1.6

On 2010-12-08 10:29Z, Warlich, Christof wrote:
> all:
>         @if [ "${USER}" == "" ]; then \
>             export message="no user defined"; \
>         else \
>             export message="user is ${USER}"; \
>         fi
>         @echo ${message} $${message} $message $$message eval $$message
> My problem ist that I cannot find a way to pass data being determined in one
> reciepe line to the next reciepe line. Executing the example given above:

"if ... fi" is passed to a subshell; then "echo ..." is passed to a
different subshell:
I'd change the makefile:

-       fi
-       @echo ${message}, $${message}, $message, $$message, eval $$message
+       fi; \
+       echo ${message}, $${message}, $message, $$message, eval $$message

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