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bitbake.conf: Stop exporting TARGET_ flags variables

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Way back in
http://lists.openembedded.org/pipermail/openembedded-core/2014-April/210138.html
a few of us discussed not exporting TARGET_LDFLAGS. There seemed to be
support for this idea, and I modified our tree to not do so. I then seem to
have dropped the ball. :( We've been running like that for over five years,
and not observed any problems.

It seems sensible to stop exporting TARGET_CPPFLAGS, TARGET_CFLAGS and
TARGET_CXXFLAGS too.

I've successfully compile-tested core-image-minimal and core-image-sato for
x86_64 and qemuarm64 with these changes.

(From OE-Core rev: 1b1ab93408c3ba72f855b2f4a028f1a917e9b551)

Signed-off-by: Mike Crowe <mac@mcrowe.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Mike Crowe
2019-06-25 14:16:25 +01:00
committed by Richard Purdie
parent bb75a12425
commit a478ad4c2d
1 changed files with 4 additions and 4 deletions
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meta/conf/bitbake.conf
+4 -4
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@@ -569,17 +569,17 @@ PATCHRESOLVE = "noop"
export BUILD_CPPFLAGS = "-isystem${STAGING_INCDIR_NATIVE}"
BUILDSDK_CPPFLAGS = ""
export CPPFLAGS = "${TARGET_CPPFLAGS}"
export TARGET_CPPFLAGS = ""
TARGET_CPPFLAGS = ""
export BUILD_CFLAGS = "${BUILD_CPPFLAGS} ${BUILD_OPTIMIZATION}"
BUILDSDK_CFLAGS = "${BUILDSDK_CPPFLAGS} ${BUILD_OPTIMIZATION} ${DEBUG_PREFIX_MAP}"
export CFLAGS = "${TARGET_CFLAGS}"
export TARGET_CFLAGS = "${TARGET_CPPFLAGS} ${SELECTED_OPTIMIZATION}"
TARGET_CFLAGS = "${TARGET_CPPFLAGS} ${SELECTED_OPTIMIZATION}"
export BUILD_CXXFLAGS = "${BUILD_CFLAGS}"
BUILDSDK_CXXFLAGS = "${BUILDSDK_CFLAGS}"
export CXXFLAGS = "${TARGET_CXXFLAGS}"
export TARGET_CXXFLAGS = "${TARGET_CFLAGS}"
TARGET_CXXFLAGS = "${TARGET_CFLAGS}"
export BUILD_LDFLAGS = "-L${STAGING_LIBDIR_NATIVE} \
-L${STAGING_BASE_LIBDIR_NATIVE} \
@@ -601,7 +601,7 @@ TARGET_LINK_HASH_STYLE ?= "${@['-Wl,--hash-style=gnu',''][d.getVar('LINKER_HASH_
ASNEEDED ?= "-Wl,--as-needed"
export LDFLAGS = "${TARGET_LDFLAGS}"
export TARGET_LDFLAGS = "-Wl,-O1 ${TARGET_LINK_HASH_STYLE} ${ASNEEDED}"
TARGET_LDFLAGS = "-Wl,-O1 ${TARGET_LINK_HASH_STYLE} ${ASNEEDED}"
# Pass parallel make options to the compile task
EXTRA_OEMAKE_prepend_task-compile = "${PARALLEL_MAKE} "