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funclib.sh: improve comments.

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* gl/build-aux/funclib.sh: Add a comment explaining the need for
extra SED and GREP searches.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
This commit is contained in:
Gary V. Vaughan 2013-10-30 18:17:21 +13:00
parent 4494446e43
commit 4e373ebe13
1 changed files with 6 additions and 1 deletions
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7
gl/build-aux/funclib.sh
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@ -194,6 +194,11 @@ else
fi
# We want to be able to use the functions in this file before configure
# has figured out where the best binaries are kept, which means we have
# to search for them ourselves - except when the results are already set
# where we skip the searches.
# Unless the user overrides by setting SED, search the path for either GNU
# sed, or the sed that truncates its output the least.
test -z "$SED" && {
@ -236,7 +241,7 @@ test -z "$SED" && {
# Unless the user overrides by setting GREP, search the path for either GNU
# grep, or the sed that truncates its output the least.
# grep, or the grep that truncates its output the least.
test -z "$GREP" && {
func_check_prog_grep ()
{