###############################
###  xkwy-gcc-arm-20210428  ###
###############################

[verify]
    $ gpg --verify xkwy-gcc-arm-20210428.tar.xz.sign
    > gpg: assuming signed data in 'xkwy-gcc-arm-20210428.tar.xz'
    > gpg: Signature made Wed 28 Apr 2021 10:41:13 AM CST
    > gpg:                using RSA key 7D74C4A6F52A8C2A7D88FFAB1CFE6CB6E9F8894A
    > gpg: Good signature from "xkwy.xkwy <xkwy001@gmail.com>" [ultimate]

[install]
    $ sudo tar xf xkwy-gcc-arm-20210428.tar.xz -C /opt
    $ /opt/xkwy-gcc/arm-20210428/bin/arm-xkwy-linux-gnueabihf-gcc -v # for check

[version]
    binutils: 2.36.1
    gdb: 10.2
    kernel header: 5.12
    gcc: 11.1.0
    gmp: 6.2.1
    mpfr: 4.1.0
    mpc: 1.2.1
    isl: 0.23
    glibc: 2.33

[checksum]
    md5: 52fdd98070b90b2d9b9c97fef624fd05  xkwy-gcc-arm-20210428.tar.xz
    sha1: 210e4339440908f0230132f7e93174573b848fe7  xkwy-gcc-arm-20210428.tar.xz
    sha256: 2b484e0270dfe747858a6229d3ee93aa96d400eea85bf975816ee5cd481f0913  xkwy-gcc-arm-20210428.tar.xz
    sha384: 5a3c842c04de95b84f2a3acd90bef9bb925bfbf993bc497515087aee2805547c23a4d5af31f74fa00ebc632338767beb  xkwy-gcc-arm-20210428.tar.xz
    sha512: c83a868f96e6e5910501f653330fabd2c6a47a1024d1379d5c21f703c5bced4376b5a50a84b748b830ce63001d9ea8c45ec28269f1eefad55f554f284c85698b  xkwy-gcc-arm-20210428.tar.xz


[change log]
    [2021-04-28]
        1. update gdb version to 10.2
        2. update gcc version to 11.1.0
        3. update kernel header version to 5.12
    [2021-04-09]
        1. update binutils version to 2.36.1
        2. update gdb version to 10.1
        3. update gcc version to 10.3.0
        4. update gmp version to 6.2.1
        5. update mpc version to 1.2.1
        6. update isl version to 0.23
        7. update kernel header version to 5.11.12
        8. update glibc version to 2.33
    [2020-08-07]
        1. add aarch64 support
        2. update binutils version to 2.35
        3. update gdb version to 9.2
        4. update gcc version to 10.2.0
        5. update mpfr version to 4.1.0
        6. update kernel header version to 5.8
        7. update glibc version to 2.32
        8. gcc: enable thumb mode
        9. gcc: fpu change to vfpv3-d16
        10. gcc: float abi change to hard
        11. gdb(host): use static linking for more compatibility
    [2020-05-17]
        1. add gdb/gdbserver support, version 9.1
        2. add gpg sign for tarball package
        3. add version as sub directory to install destination
        4. update binutils version to 2.34
        5. update kernel header version to 5.6.11
        6. update glibc version to 2.31
        7. update gcc version to 10.1.0
        8. update gmp version to 6.2.0
        9. update isl version to 0.22.1
        10. binutils: enable gold,ld,libada,libssp,lto,host-shared
        11. gcc: default cpu change to cortex-a9(armv7-a), fpu=vfpv3
        12. gcc: float abi change to softfp
        13. glibc: enable stackguard-randomization,stack-protector=strong
        14. glibc: add pkgversion and bugurl
        15. optimize change log format
    [2019-08-14]
        1. gcc: using static gmp/mpc/mpfr/isl libs
        2. tar.xz: use multi-threads compress
        3. tar.xz: files' group and owner to zero (current user)
        4. glibc: compatibility kernel version down to 3.2.0
        5. binutils: strip executable file to reduce size
        6. gcc: strip executable file to reduce size
        7. update gcc&glibc build order, only need once gcc configure
        8. update gcc version to 9.2.0
        9. update kernel header version to 5.2.8
        10. update glibc version to 2.30
    [2019-05-04]
        1. update gcc version to 9.1.0
        2. update kernel header version to 5.0.12
        3. add sysroot support, fix some bugs about limits.h
        4. add custom pkgversion and bugurl
    [2019-02-23]
        1. update binutils version to 2.32
        2. update gcc version to 8.3.0
        3. gcc: using system's buildin gmp/mpc/mpfr/isl libs
        4. update kernel header version to 4.19.24
        5. update glibc version to 2.29
        6. glibc: compatibility kernel version down to 3.16.0
    [2018-05-26]
        1. update gcc version to 8.1.0
        2. fixup bug: libc.so not found


[author]
    e-mail: xkwy001(at)gmail.com
    date: 2021-04-28