With a GNU makefile content of:
SVNVERSION_NUMBER := $(shell svnversion --version | perl -lne print $1 if /version (d+.d+.d+)/ )
$(error $(SVNVERSION_NUMBER))
I get a result of:
Makefile:3: *** svnversion, version 1.6.2 (r37639). Stop.
However, at the shell if I type:
svnversion --version | perl -lne print $1 if /version (d+.d+.d+)/
I get the result:
1.6.2
Clearly, my shell syntax is not doing what I think it is, but I m not clear on why.
Thanks.
$ is special in make strings. $$ for a literal dollar sign in the perl command.
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