[OE-core] [PATCH 5/8] populate_base_sdk: Stop running gcc --version all the time

[Richard Purdie]

Running 'gcc --version' for every image recipe is slow and increases parsing
time/resource usage for no good reason. Only compute the value in when we're
really running the task/function.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/populate_sdk_base.bbclass | 2 +-
 meta/lib/oe/utils.py                   | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/meta/classes/populate_sdk_base.bbclass b/meta/classes/populate_sdk_base.bbclass
index c456c52866a..bbf1ff1cd29 100644
--- a/meta/classes/populate_sdk_base.bbclass
+++ b/meta/classes/populate_sdk_base.bbclass
@@ -259,7 +259,7 @@ EOF
 		-e 's#@SDK_VERSION@#${SDK_VERSION}#g' \
 		-e '/@SDK_PRE_INSTALL_COMMAND@/d' \
 		-e '/@SDK_POST_INSTALL_COMMAND@/d' \
-		-e 's#@SDK_GCC_VER@#${@oe.utils.host_gcc_version(d)}#g' \
+		-e 's#@SDK_GCC_VER@#${@oe.utils.host_gcc_version(d, taskcontextonly=True)}#g' \
 		${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.sh
 
 	# add execution permission
diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
index f22a6ab596d..fbda7035f1e 100644
--- a/meta/lib/oe/utils.py
+++ b/meta/lib/oe/utils.py
@@ -342,9 +342,12 @@ def format_pkg_list(pkg_dict, ret_format=None):
 
     return '\n'.join(output)
 
-def host_gcc_version(d):
+def host_gcc_version(d, taskcontextonly=False):
     import re, subprocess
 
+    if taskcontextonly and d.getVar('BB_WORKERCONTEXT') != '1':
+        return
+
     compiler = d.getVar("BUILD_CC")
     try:
         env = os.environ.copy()
-- 
2.17.1