gcc: Exclude DATE/SRCDATE variable from do_patch dependency

This patch excludes the variable DATE/SRCDATE from calculation of do_patch task hash value.

The following changes since commit e5ad03093dfc4364d1407183f458df79f347c7a1:
Lianhao Lu (1):
guile: fix cross configure failure

are available in the git repository at:

git://git.yoctoproject.org/poky-contrib llu/gccfix
http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=llu/gccfix

Lianhao Lu (1):
gcc: Excluding the DATE/SRCDATE from do_patch dependency.

 meta/recipes-devtools/gcc/gcc-common.inc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Corrected the error introduced by commit afb400e of dropping DATE/SRCDATE out of the vardepsexlude list of do_patch.

---
 meta/recipes-devtools/gcc/gcc-common.inc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 57668f9..df6021a 100644
@@ -109,4 +109,4 @@ do_headerfix[vardepvalue] = "PATH"
 # We need to ensure that for the shared work directory, the do_patch singatures match
 # The real WORKDIR location isn't a dependency for the shared workdir.
 src_patches[vardepsexclude] = "WORKDIR"
-should_apply[vardepsexclude] = "PN"
+should_apply[vardepsexclude] += "PN"

1.7.0.4

Merged into OE-core

Thanks
Sau!