[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ned Deily]

Ned Deily  added the comment:


New changeset 0da546665075aefbb476e192ed64122d340164f4 by Ned Deily in branch 
'master':
bpo-26317: Support OBJC and OBJCXX configure command line variables (GH-20176)
https://github.com/python/cpython/commit/0da546665075aefbb476e192ed64122d340164f4


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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ned Deily]

Change by Ned Deily :


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pull_request: https://github.com/python/cpython/pull/20176

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Roundup Robot]

Change by Roundup Robot :


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nosy_count: 6.0 -> 7.0
pull_requests: +19002
pull_request: https://github.com/python/cpython/pull/19681

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ned Deily]

Ned Deily  added the comment:

Thanks, Terry. I'll look at it shortly.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Terry J. Reedy]

Terry J. Reedy  added the comment:

The progress was the PR.  I just fixed the merge conflicts, I believe 
correctly.  Please test and review.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[STINNER Victor]

Change by STINNER Victor :


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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[STINNER Victor]

Change by STINNER Victor :


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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Dong-hee Na]

Change by Dong-hee Na :


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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Dong-hee Na]

Dong-hee Na  added the comment:

I met this issue during I compile with gcc9 on my local mac machine.
This issue should be fixed..

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Dong-hee Na]

Dong-hee Na  added the comment:

Any progress?

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

I submitted a pull request that fixes both the PythonLauncher build issue and 
the _scproxy module build issue. They are related because _scproxy is required 
to install PythonLauncher.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Change by Jeffrey Kintscher :


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keywords: +patch
pull_requests: +13216
stage: needs patch -> patch review

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

I got it to build PythonLauncher using clang and everything else using gcc 
8.3.0 by making a few configure script and makefile changes. Unfortunately, 
"make install" still fails because a python script that requires the unbuilt 
_scproxy module crashes. I'll work on fixing that next.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

My mistake was not adding

--enable-framework=${HOME}/sandbox/src/python3.7/inst

to the configure script and then running

make
make install

(I know... read the README file)

gcc 8.3.0 doesn't like the Xcode system headers included by the .m files. I 
will dig into this now that I am using the proper build steps.

As a side note, I find it counter-intuitive that Mac/Makefile only gets invoked 
by 'make install' to build the Objective-C source files. IMHO they should be 
built by "make" and then installed by "make install". Forcing a build and 
install in one step can be dangerous and accidentally leave the system in an 
undesirable state when the build process fails with a partial install. Also, 
--enable-framework should use a subpath of --prefix by default for the 
framework installation instead of defaulting to /Library/Frameworks regardless 
of the --prefix setting.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ned Deily]

Ned Deily  added the comment:

THe _scproxy.c compile error is a separate issue.  The problem arises in an 
Apple-supplied include file and there are many reports on the web of clang vs 
gcc differences like this.  I'm not sure what we could or should do about it 
other than forcing _scproxy to always be compiled with clang or figure out a 
way to avoid use of that include file hierarchy.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

Module/_scproxy.c compiles cleanly with clang 10.0.0 and fails with GNU gcc 
8.3.0. Below is the relevant compiler error:

building '_scproxy' extension
gcc-8 -Wno-unused-result -Wsign-compare -g -Og -Wall -pipe -std=c99 -Wextra 
-Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers 
-Werror=implicit-function-declaration -I../cpython/Include/internal 
-I../cpython/Include -IObjects -IPython -I. -I/usr/local/opt/zlib/include 
-I/usr/local/opt/sqlite/include -I/usr/local/Cellar/ossp-uuid/1.6.2_2/include 
-I/usr/local/include -I/Users/jeff/sandbox/src/python3.7/cpython/Include 
-I/Users/jeff/sandbox/src/python3.7/build -c 
/Users/jeff/sandbox/src/python3.7/cpython/Modules/_scproxy.c -o 
build/temp.macosx-10.14-x86_64-3.8-pydebug/Users/jeff/sandbox/src/python3.7/cpython/Modules/_scproxy.o
In file included from 
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Security.framework/Headers/AuthSession.h:32,
 from 
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Security.framework/Headers/Security.h:42,
 from 
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/SystemConfiguration.framework/Headers/SCPreferences.h:35,
 from 
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/SystemConfiguration.framework/Headers/SystemConfiguration.h:126,
 from 
/Users/jeff/sandbox/src/python3.7/cpython/Modules/_scproxy.c:6:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Security.framework/Headers/Authorization.h:193:7:error:
 variably modified 'bytes' at file scope
  char bytes[kAuthorizationExternalFormLength];
   ^
building 'zlib' extension

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

This is still an issue with the 3.7 and the master branches. The Objective-C 
portion of the build still fails with gcc 8.3.0 on OS X Mojave (14.x). 
Specifying OBJC and OBJC++ on the configure command line does nothing because 
there is nothing in the script using the options.

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versions: +Python 3.8

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Terry J. Reedy]

Terry J. Reedy  added the comment:

3.5 is and 3.6 will soon be on security fix only status.  Robert, please verify 
that this is still an issue with 3.7 and the current build files.

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versions: +Python 3.7 -Python 3.5, Python 3.6

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Terry J. Reedy]

Terry J. Reedy added the comment:

3.4 only gets security fixes

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stage:  -> needs patch
type:  -> compile error
versions: +Python 3.5, Python 3.6 -Python 3.4

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Robert P Fischer]

Robert P Fischer added the comment:

Could this be fixed on 3.5 and 3.6?

On Fri, Feb 12, 2016 at 2:34 PM, Terry J. Reedy 
wrote:

>
> Terry J. Reedy added the comment:
>
> 3.4 only gets security fixes
>
> --
> nosy: +terry.reedy
> stage:  -> needs patch
> type:  -> compile error
> versions: +Python 3.5, Python 3.6 -Python 3.4
>
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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Terry J. Reedy]

Changes by Terry J. Reedy :


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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Terry J. Reedy]

Terry J. Reedy added the comment:

When you reply by email to an email, please snip off the quote, except for 
possible a line that you are responding to.  The disposition of this issue for 
3.5+ is up to Ned or Ronald.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ronald Oussoren]

Ronald Oussoren added the comment:

The makefiles use CC throughout and don't look at and OBJC variable. Is that 
variable a standard way to specify an ObjC compiler in makefiles? 

Make's default ruleset for compiling .m files uses $(CC) and doesn't look at 
$(OBJC).

I wouldn't be opposed to a patch that makes it possible to specify an ObjC 
compiler, could you write such a patch?  BTW. The patch should also update the 
autoconf script (use AC_PROG_OBJC).

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Robert P Fischer]

Robert P Fischer added the comment:

> The makefiles use CC throughout and don't look at and OBJC variable. Is
> that variable a standard way to specify an ObjC compiler in makefiles?

I believe that OBJC and OBJCFLAGS are standard for Autoconf/Automake:

https://www.gnu.org/software/automake/manual/html_node/Objective-C-Support.html

https://www.gnu.org/software/autoconf/manual/autoconf-2.61/html_node/Output-Variable-Index.html#Output-Variable-Index

https://www.google.com/webhp?sourceid=chrome-instant=1=2=UTF-8#q=using%20objective%20c%20with%20autoconf%20automake

I wouldn't be opposed to a patch that makes it possible to specify an ObjC
> compiler, could you write such a patch?  BTW. The patch should also update
> the autoconf script (use AC_PROG_OBJC).

Sorry, I don't do Autotools --- a software package that came to us directly
from the seventh level of Hell.  CMake's main claim to fame is it's not as
bad.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Robert P Fischer]

Robert P Fischer added the comment:

I'm trying to compile the Objective-C portions of Python (the Python
Launcher app) with clang, not GCC.  Why does Python insist on using GCC,
even when I set the OBJC env variable to clang?  That seems to be a problem
that the Python project CAN fix.

On Tue, Feb 9, 2016 at 6:39 AM, Ronald Oussoren 
wrote:

>
> Ronald Oussoren added the comment:
>
> The build fails while building the "Python Launcher" application. This is
> an Objective-C project.
>
> If GCC doesn't support the system headers on OSX 10.11 there's nothing the
> Python project can do about that.
>
> --
> nosy: +ronaldoussoren
>
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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Ronald Oussoren]

Ronald Oussoren added the comment:

The build fails while building the "Python Launcher" application. This is an 
Objective-C project. 

If GCC doesn't support the system headers on OSX 10.11 there's nothing the 
Python project can do about that.

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[issue26317] Build Problem with GCC + Macintosh OS X 10.11 El Capitain

[Robert P Fischer]

New submission from Robert P Fischer:

Changes to OS X 10.11 render GCC's Objective-C compiler useless.  However, I 
want to compile the main part of Python in GCC (because my C++ / Fortran Cython 
modules use GCC).

I tried to build Python (via MacPorts) using Clang for Objective-C and GCC for 
C/C++.  The environment upon running ./configure included:

  CC='/Users/rpfische/macports/mpgompi-4.9.3/bin/gcc-mp-4.9'
  CXX='/Users/rpfische/macports/mpgompi-4.9.3/bin/gcc-mp-4.9'
  OBJC='/usr/bin/clang'
  OBJCXX='/usr/bin/clang++'

HOWEVER... the build still tried to use GCC to compile Objective-C, and failed 
miserably:



:info:destroot /Users/rpfische/macports/mpgompi-4.9.3/bin/gcc-mp-4.9 -pipe -Os 
-arch x86_64 -Wno-unused-result -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 
-Wall -Wstrict-prototypes -o FileSettings.o -c ./FileSettings.m
:info:destroot /usr/include/objc/NSObject.h:22:4: error: unknown type name 
'instancetype'
:info:destroot  - (instancetype)self;
:info:destroot ^
...



Log file attached.

--
components: Build
files: log
messages: 259914
nosy: Robert P Fischer
priority: normal
severity: normal
status: open
title: Build Problem with GCC + Macintosh OS X 10.11 El Capitain
versions: Python 3.4
Added file: http://bugs.python.org/file41865/log

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