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icecc: Don't replace non-empty PARALLEL_MAKE with empty ICECC_PARALLEL_MAKE

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* it's needed for use-case like this:
  # Inherit icecc here, so that all builders have the same sstate signatures
  INHERIT_DISTRO += "icecc"
  # and then disable its function by default (so that people still need to explicity
  # enable it in local.conf if they have configured icecc and want to use it.
  # You need to set _empty_ value in local.conf to enable icecc function:
  # ICECC_DISABLED = ""
  ICECC_DISABLED ??= "1"
* so default ICECC_PARALLEL_MAKE is still empty, but we want build
  to respect our PARALLEL_MAKE, unfortunately we cannot do something
  like ICECC_PARALLEL_MAKE ??= "${PARALLEL_MAKE}", because that would
  cause PARALLEL_MAKE to reference itself.

(From OE-Core rev: 7e586d5b7c8c7f20eafc32624200f60a8ed9a582)

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Martin Jansa
2014-01-18 15:01:51 +01:00
committed by Richard Purdie
parent 94802fd6fc
commit a7b97cbccc
1 changed files with 1 additions and 1 deletions
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2
meta/classes/icecc.bbclass
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@@ -147,7 +147,7 @@ def icc_version(bb, d):
return ""
parallel = d.getVar('ICECC_PARALLEL_MAKE') or ""
if not d.getVar('PARALLEL_MAKE') == "":
if not d.getVar('PARALLEL_MAKE') == "" and parallel:
d.setVar("PARALLEL_MAKE", parallel)
if icc_is_native(bb, d):