On 1/3/19 3:47 AM, Laszlo Ersek wrote:
> Repo:   https://github.com/lersek/edk2.git
> Branch: drop_gcc44_gcc47_tiano1377
> 
> (0) This series is meant as an alternative to
> 
>   [edk2] [Patch 0/5] Remove unused tool chains in tools_def.template
>   20181224150107.28624-1-liming.gao@intel.com">http://mid.mail-archive.com/20181224150107.28624-1-liming.gao@intel.com
> 
> Out of that series, patch #1 (from Ard) is included here, while patch #3
> is reimplemented from scratch (making up the bulk of this series) in a
> way that at least I would be capable of reviewing.

Lovely.

> The rest of the
> patches from Liming's series (#2, #4, #5) are out of scope for me, and I
> ask for them to be rebased on top of this series (if this one is
> acceptable).
> 
> Thus, this series intends to address
> 
>   https://bugzilla.tianocore.org/show_bug.cgi?id=1377
> 
> only in part.
> 
> (1) For locating GCC44 references, I used the following grep command:
> 
>   git grep -H -n -i -E 'gcc[- ]?4\.?[4567]'
> 
> That is,
> - "gcc" (case-insensitively),
> - optionally followed by hyphen or space,
> - followed by "4",
> - optionally followed by ".",
> - followed by 4 through 7.
> 
> One hit that persists after this patch set is in
> "AppPkg/Applications/Python/Python-2.7.2/Lib/distutils/tests/test_unixccompiler.py".
> It's a bundled software distribution so I didn't touch it.
> 
> Another hit that remains is "StdLib/Include/sys/EfiCdefs.h"; see (2) for
> that.
> 
> (2) __GNUC_PREREQ__ is used in StdLib/Include. But StdLib/Include checks
> for ancient GCC versions too (such as 2.0), so it clearly hasn't been
> kept in sync with the minimum edk2 requirement over time. I didn't touch
> it.
> 
> (3) __GNUC_MINOR__ is used in the following directories:
> 
> (3a) bundled Python:
> 
> - AppPkg/Applications/Python/PyMod-2.7.2
> - AppPkg/Applications/Python/Python-2.7.10
> - AppPkg/Applications/Python/Python-2.7.2
> 
> (3b) bundled Brotli:
> 
> - BaseTools/Source/C/BrotliCompress/include/brotli
> - MdeModulePkg/Library/BrotliCustomDecompressLib/brotli/
> 
> (3c) bundled LZMA:
> 
> - BaseTools/Source/C/LzmaCompress/Sdk/C/
> - IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/
> - MdeModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/
> 
> (3d) bundled Lua / Lua interface:
> 
> - StdLib/Include/Lua/
> 
> (3e) Same as (2):
> 
> - StdLib/Include/sys/EfiCdefs.h
> 
> (3f) bundled OpenSSL / OpenSSL interface:
> 
> - CryptoPkg/Library/Include/openssl/opensslconf.h
> 
> I didn't touch any of these.
> 
> (4) I built OVMF with GCC48, and ArmVirtQemu with GCC5, using "-n 1",
> and compared the build logs, before/after.
> 
> (For the comparison, I first sorted the build logs: I didn't care about
> the relative order between the commands, I just wanted the sets of
> commands to be comparable. Sorting was necessary because even with "-n
> 1", modules weren't built in the same order, and that interfered with
> diffing.)
> 
> The sorted logs were identical, except for any time stamps / durations
> that had been logged.
> 
> Cc: Andrew Fish <af...@apple.com>
> Cc: Anthony Perard <anthony.per...@citrix.com>
> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
> Cc: Bob Feng <bob.c.f...@intel.com>
> Cc: Gang Wei <gang....@intel.com>
> Cc: Jian Wang <jian.j.w...@intel.com>
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Julien Grall <julien.gr...@linaro.org>
> Cc: Leif Lindholm <leif.lindh...@linaro.org>
> Cc: Liming Gao <liming....@intel.com>
> Cc: Marvin Haeuser <marvin.haeu...@outlook.com>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Ruiyu Ni <ruiyu...@intel.com>
> Cc: Ting Ye <ting...@intel.com>
> Cc: Yi Qian <yi.q...@intel.com>
> Cc: Yonghong Zhu <yonghong....@intel.com>
> Cc: Zailiang Sun <zailiang....@intel.com>
> 
> Thanks,
> Laszlo
> 
> Ard Biesheuvel (1):
>   BaseTools/Conf/tools_def.template: drop ARM/AARCH support from
>     GCC46/GCC47
> 
> Laszlo Ersek (25):
>   EmulatorPkg: require GCC48 or later
>   OvmfPkg: require GCC48 or later
>   Vlv2TbltDevicePkg: assume GCC48 or later
>   BaseTools/tools_def.template: fix up LF-only line terminator
>   BaseTools/tools_def.template: strip trailing whitespace
>   BaseTools/tools_def.template: remove GCC48_IA32_X64_DLINK_COMMON
>     dead-end
>   BaseTools/tools_def.template: remove GCC47 leaf definitions
>   BaseTools/tools_def.template: propagate loss of GCC47 references
>   BaseTools/tools_def.template: remove GCC47 documentation
>   BaseTools/tools_def.template: remove GCC46 leaf definitions
>   BaseTools/tools_def.template: propagate loss of GCC46 references
>   BaseTools/tools_def.template: remove GCC46 documentation
>   BaseTools/tools_def.template: remove GCC45 leaf definitions
>   BaseTools/tools_def.template: propagate loss of GCC45 references
>   BaseTools/tools_def.template: remove GCC45 documentation
>   BaseTools/tools_def.template: remove GCC44 leaf definitions
>   BaseTools/tools_def.template: propagate loss of GCC44 references
>   BaseTools/tools_def.template: rename GCC44_ALL_CC_FLAGS to
>     GCC48_ALL_CC_FLAGS
>   BaseTools/tools_def.template: eliminate GCC44_IA32_X64_DLINK_FLAGS
>   BaseTools/tools_def.template: rename GCC44_IA32_X64_DLINK_COMMON to
>     GCC48_IA32_X64_DLINK_COMMON
>   BaseTools/tools_def.template: remove comment about GCC44 +
>     LzmaF86Compress
>   BaseTools/tools_def.template: remove GCC44 documentation
>   ArmPkg/ArmSoftFloatLib: drop build flags specific to GCC46/GCC47
>   CryptoPkg/BaseCryptLib: drop build flags specific to GCC44
>   Revert "MdePkg: avoid __builtin_unreachable() on GCC v4.4"
> 
>  ArmPkg/Library/ArmSoftFloatLib/ArmSoftFloatLib.inf |   2 -
>  BaseTools/Conf/tools_def.template                  | 638 +++-----------------
>  CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf    |   2 -
>  CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf     |   2 -
>  CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf |   2 -
>  CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf     |   1 -
>  EmulatorPkg/Unix/Host/Host.inf                     |   4 -
>  EmulatorPkg/build.sh                               |  18 +-
>  MdePkg/Include/Base.h                              |   3 +-
>  OvmfPkg/README                                     |   6 +-
>  OvmfPkg/build.sh                                   |  16 +-
>  Vlv2TbltDevicePkg/bld_vlv.sh                       |  14 +-
>  12 files changed, 81 insertions(+), 627 deletions(-)
> 

Series:
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
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