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authorDaniel Roggow <daniel.roggow@rockwellcollins.com>2019-03-05 14:54:42 -0600
committerTobias Klauser <tobias.klauser@gmail.com>2019-03-06 10:02:19 +0100
commit90cdae43a6d7c8fe00dc2cc54cce44ef989d2075 (patch)
treec07c7ed2d39abf0e63fd0ff9212f3dd22b03ee6c /trafgen
parenta74294b4ae84bbc858f3bed9d7e11a9aebe52a6d (diff)
Build system: Use GZIP_ENV instead of GZIP
Older versions of gzip assume the GZIP environment variable contains flags[1]. Building netsniff-ng on a system with such a version of gzip will yield the following error: INST netsniff-ng/netsniff-ng gzip -9 -c netsniff-ng.8 > netsniff-ng/netsniff-ng.8.gz gzip: gzip: No such file or directory A practical alternative to redefining GZIP in the Makefile seems to be to use the GZIP_ENV make variable[2] instead. [1] The GZIP environment variable was deprecated in gzip version 1.7. See https://www.gnu.org/software/gzip/manual/html_node/Environment.html and https://git.savannah.gnu.org/cgit/gzip.git/tree/NEWS for more information. [2] https://www.gnu.org/software/automake/manual/automake.html#index-GZIP_005fENV Signed-off-by: Daniel Roggow <daniel.roggow@rockwellcollins.com>
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