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check availability of --color=never command on grep and egrep

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before applying them.
Fixes #1436
This commit is contained in:
Yann Collet
2018-12-03 15:46:55 -08:00
parent c631fdec9f
commit 7ef7dc561a
3 changed files with 24 additions and 4 deletions
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Makefile
+6 -1
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@@ -129,7 +129,12 @@ ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD Dr
HOST_OS = POSIX
CMAKE_PARAMS = -DZSTD_BUILD_CONTRIB:BOOL=ON -DZSTD_BUILD_STATIC:BOOL=ON -DZSTD_BUILD_TESTS:BOOL=ON -DZSTD_ZLIB_SUPPORT:BOOL=ON -DZSTD_LZMA_SUPPORT:BOOL=ON -DCMAKE_BUILD_TYPE=Release
EGREP = egrep --color=never
HAVE_COLORNEVER = $(shell echo a | egrep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
EGREP_OPTIONS ?=
ifeq ($HAVE_COLORNEVER, 1)
EGREP_OPTIONS += --color=never
endif
EGREP = egrep $(EGREP_OPTIONS)
# Print a two column output of targets and their description. To add a target description, put a
# comment in the Makefile with the format "## <TARGET>: <DESCRIPTION>". For example: