From: Andrei Gherzan <[email protected]> getcwd() conforms to POSIX.1-2001 which leaves the behaviour when the buf argument is NULL, undefined. This makes gcc 10+ throw the following warning:
argument 1 is null but the corresponding size argument 2 value is 4096 Initially, this was fixed by disabling NSS_ENABLE_WERROR. This patch re-enables NSS_ENABLE_WERROR (by leaving it to its default value) and takes advantage of the existing functionality in nss that wraps the getcwd call into a function making sure that the buf argument is always properly allocated. Signed-off-by: Andrei Gherzan <[email protected]> Signed-off-by: Khem Raj <[email protected]> (cherry picked from commit dad2aef6be76564103952e0ad78a7d666b49f72e) Signed-off-by: Armin Kuster <[email protected]> --- meta-oe/recipes-support/nss/nss_3.57.bb | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/meta-oe/recipes-support/nss/nss_3.57.bb b/meta-oe/recipes-support/nss/nss_3.57.bb index 5d9318a9223..411707feca5 100644 --- a/meta-oe/recipes-support/nss/nss_3.57.bb +++ b/meta-oe/recipes-support/nss/nss_3.57.bb @@ -68,7 +68,6 @@ do_compile_prepend_class-native() { do_compile() { export NSPR_INCLUDE_DIR=${STAGING_INCDIR}/nspr - export NSS_ENABLE_WERROR=0 export CROSS_COMPILE=1 export NATIVE_CC="${BUILD_CC}" @@ -76,6 +75,10 @@ do_compile() { export NATIVE_FLAGS="${BUILD_CFLAGS} -DLINUX -Dlinux" export BUILD_OPT=1 + # POSIX.1-2001 states that the behaviour of getcwd() when passing a null + # pointer as the buf argument, is unspecified. + export NATIVE_FLAGS="${NATIVE_FLAGS} -DGETCWD_CANT_MALLOC" + export FREEBL_NO_DEPEND=1 export FREEBL_LOWHASH=1 -- 2.17.1
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