# Weak variables (usually to retain backwards compatibility)
##################################################################
-OLDEST_KERNEL ?= "2.4.0"
-
DL_DIR ?= "${TMPDIR}/downloads"
IMAGE_FSTYPES ?= "tar.gz"
PCMCIA_MANAGER ?= "pcmcia-cs"
PREFERRED_PROVIDER_virtual/libc = "eglibc"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-initial = "eglibc-initial"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "eglibc"
+
+# eglibc is configured for OLDEST_KERNEL kernel version, so we set minimal
+# sane versions there
+
+OLDEST_KERNEL ?= "2.4.0"
+
+# ARM OABI is fine with 2.4.0, EABI is not, so we override on "-gnueabi"
+# TARGET_OS here, not on architecture which is 'arm' in both cases
+OLDEST_KERNEL_linux-gnueabi ?= "2.6.16"
+OLDEST_KERNEL_sparc64 ?= "2.4.21"
+OLDEST_KERNEL_ppc64 ?= "2.4.21"
PREFERRED_PROVIDER_virtual/libc = "glibc"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-initial = "glibc-initial"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "glibc"
+
+# glibc is configured for OLDEST_KERNEL kernel version, so we set minimal
+# sane versions there
+
+OLDEST_KERNEL ?= "2.4.0"
+
+# ARM OABI is fine with 2.4.0, EABI is not, so we override on "-gnueabi"
+# TARGET_OS here, not on architecture which is 'arm' in both cases
+OLDEST_KERNEL_linux-gnueabi ?= "2.6.14"
+OLDEST_KERNEL_sparc64 ?= "2.4.21"
+OLDEST_KERNEL_ppc64 ?= "2.4.21"