gcc: update, split and rework 4.8 musl patches

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42969 3c298f89-4303-0410-b956-a3cf2f4a3e73
gcc: update, split and rework 4.9 musl patches

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42970 3c298f89-4303-0410-b956-a3cf2f4a3e73
musl: update to version 1.1.5

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42971 3c298f89-4303-0410-b956-a3cf2f4a3e73
mountd: explicitly link libubox (needed by libuci)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42972 3c298f89-4303-0410-b956-a3cf2f4a3e73
gcc: do not assume that the Mac OS X filesystem is case insensitive

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42973 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain: when using musl, install a symlink from ld-musl-*.so to /usr/bin/ldd

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42974 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain: drop the mips softfloat symlink hack

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42975 3c298f89-4303-0410-b956-a3cf2f4a3e73
base-files: fix ldd definition if /usr/bin/ldd exists

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42976 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain: mark musl as non-broken

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42977 3c298f89-4303-0410-b956-a3cf2f4a3e73