1 files changed, 49 insertions, 0 deletions

diff --git a/meta/conf/distro/include/time64.inc b/meta/conf/distro/include/time64.inc
new file mode 100644
index 0000000000..2e85753e55
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+++ b/meta/conf/distro/include/time64.inc
@@ -0,0 +1,49 @@
+# To simulate Y2038 occurring in qemu, add to your build configuration:
+# QB_OPT_APPEND:append = " -rtc base=2040-02-02"
+#
+# Note that this does result in ptest failures on qemux86:
+# perl python3 dbus openssl glibc-tests openssh curl glib-2.0 tcl libmodule-build-perl
+# and a subset of those occurs in qemux86-64 as well:
+# curl python3 openssl openssl tcl python3-cryptography
+#
+# Working to address those (before Y2038 rolls in) will be appreciated.
+
+GLIBC_64BIT_TIME_FLAGS = " -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64"
+
+# Only needed for some 32-bit architectures, some relatively newer
+# architectures do not need it ( e.g. riscv32 )
+TARGET_CC_ARCH:append:arm = "${GLIBC_64BIT_TIME_FLAGS}"
+TARGET_CC_ARCH:append:armeb = "${GLIBC_64BIT_TIME_FLAGS}"
+TARGET_CC_ARCH:append:mipsarcho32 = "${GLIBC_64BIT_TIME_FLAGS}"
+TARGET_CC_ARCH:append:powerpc = "${@bb.utils.contains('TUNE_FEATURES', 'm32', '${GLIBC_64BIT_TIME_FLAGS}', '', d)}"
+TARGET_CC_ARCH:append:x86 = "${@bb.utils.contains('TUNE_FEATURES', 'm32', '${GLIBC_64BIT_TIME_FLAGS}', '', d)}"
+
+GLIBC_64BIT_TIME_FLAGS:pn-glibc = ""
+GLIBC_64BIT_TIME_FLAGS:pn-glibc-y2038-tests = ""
+GLIBC_64BIT_TIME_FLAGS:pn-glibc-testsuite = ""
+# pipewire-v4l2 explicitly sets _FILE_OFFSET_BITS=32 to get access to
+# both 32 and 64 bit file APIs.  But it does not handle the time side?
+# Needs further investigation
+GLIBC_64BIT_TIME_FLAGS:pn-pipewire = ""
+# Pulseaudio override certain LFS64 functions e.g. open64 and intentionally
+# undefines _FILE_OFFSET_BITS, which wont work when _TIME_BITS=64 is set
+# See https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/3770
+GLIBC_64BIT_TIME_FLAGS:pn-pulseaudio = ""
+# Undefines _FILE_OFFSET_BITS on purpose in
+# libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cpp
+GLIBC_64BIT_TIME_FLAGS:pn-gcc-sanitizers = ""
+
+# Caused by the flags exceptions above
+INSANE_SKIP:append:pn-gcc-sanitizers = " 32bit-time"
+INSANE_SKIP:append:pn-glibc = " 32bit-time"
+INSANE_SKIP:append:pn-glibc-y2038-tests = " 32bit-time"
+INSANE_SKIP:append:pn-pulseaudio = " 32bit-time"
+
+# Strace has tests that call 32 bit API directly, which is fair enough, e.g.
+# /usr/lib/strace/ptest/tests/ioctl_termios uses 32-bit api 'ioctl'
+INSANE_SKIP:append:pn-strace = " 32bit-time"
+
+# Additionally cargo_common class (i.e. everything written in rust)
+# has the same INSANE_SKIP setting.
+# Please check the comment in meta/classes-recipe/cargo_common.bbclass
+# for information about why, and the overall Y2038 situation in rust.