Is There a Port for a compiler compatible with OpenMP and Imagemagick

[Chris Jones]

On 26/04/17 07:11, Richard L. Hamilton wrote:
> Is this the sort of version cross-reference you're looking for?
> https://gist.github.com/yamaya/2924292

That doesn't give anything more that 'clang --version' gives for each 
OS/Xcode release. So doesn't really help much.

>
>
>> On Apr 26, 2017, at 00:38, Ryan Schmidt <ryandesign at macports.org
>> <mailto:ryandesign at macports.org>> wrote:
>>
>>
>>> On Apr 25, 2017, at 22:11, Fred Weinhaus <fmw at alink.net
>>> <mailto:fmw at alink.net>> wrote:
>>>
>>>
>>>> On Apr 25, 2017, at 5:21 PM, Ryan Schmidt <ryandesign at macports.org
>>>> <mailto:ryandesign at macports.org>> wrote:
>>>>
>>>>
>>>>> On Apr 25, 2017, at 18:38, Fred Weinhaus <fmw at alink.net
>>>>> <mailto:fmw at alink.net>> wrote:
>>>>>
>>>>> I am trying to install Imagemagick from source using all my delegates
>>>>> installed from MacPorts. I have been doing this for years on OSX
>>>>> SnowLeopard. But I recently bought a new Mac with OSX 10.12.4
>>>>> Sierra and
>>>>> the compiler will compile Imagemagick fine, except there is not support
>>>>> for OpenMP. I have tried using gcc and gcc5 and gcc6 from MacPorts, but
>>>>> that does not seem to help. I have found a document at
>>>>> https://solarianprogrammer.com/2016/09/22/compiling- gcc-6-macos/ which
>>>>> implies that gcc6 should work with the addition of a few other
>>>>> delegates. I did
>>>>> install the ports for all those delegates suggested, but it still
>>>>> does not work.
>>>>> The following is my configure command:
>>>>>
>>>>>
>>>>> ./configure CC=/opt/local/lib/gcc6/gcc CXX=/opt/local/lib/gcc6/g++ \
>>>>> CPPFLAGS='-I/opt/local/include' LDFLAGS='-L/opt/local/lib' \
>>>>> --enable-openmp \
>>>>> --enable-delegate-build --enable-shared --disable-static
>>>>> --disable-opencl \
>>>>> --with-modules --with-quantum-depth=16 --without-wmf --with-rsvg \
>>>>> --disable-silent-rules --disable-dependency-tracking --without-pango \
>>>>> --with-lqr --with-gslib --with-gs-font-
>>>>> dir=/opt/local/share/ghostscript/fonts/
>>>>>
>>>>>
>>>>>
>>>>> Can anyone recommend a compiler port that is compatible with
>>>>> Imagemagick and
>>>>> OpenMP?
>>>>>
>>>>> Seems to me that the MacPorts ImageMagick port maintainer must be
>>>>> using something
>>>>> to properly compile Imagemagick with OpenMP for your Imagemagick port.
>>>>>
>>>>> Thanks.
>>>>
>>>>
>>>> Like most ports, the ImageMagick port uses the default compiler for
>>>> the currently running macOS / Xcode version (i.e. clang on OS X 10.7
>>>> and later). The portfile doesn't contain any statements about openmp
>>>> so I have no idea whether the port supports openmp. My understanding
>>>> is that support for openmp was added in clang 3.8 if that helps.
>>>>
>>>> Attempting to use FSF GCC C++ compilers on OS X 10.9 or later will
>>>> usually result in problems, since FSF GCC C++ uses libstdc++ and any
>>>> dependencies you may be trying to use, including dependencies
>>>> provided by macOS or MacPorts, were built using clang++ using
>>>> libc++, and you cannot mix and match C++ libraries like that.
>>>
>>> My apologies if I am replying the wrong way. I do not know how to
>>> post again to the same topic. This is my first topic on this forum.
>>> If replying like this is wrong, please point me in the right
>>> direction for this forum usages.
>>
>> Well it's a mailing list, not a forum. To reply to a message, press
>> the Reply All button in your email program, that way you send your
>> reply to both the sender's address and the list address. I've re-added
>> the list address to this reply.
>>
>>
>>> I can compile ImageMagick from source using MacPorts delegates by the
>>> following:
>>>
>>> ./configure CPPFLAGS='-I/opt/local/include' LDFLAGS='-L/opt/local/lib' \
>>>  --enable-openmp \
>>>  --enable-delegate-build --enable-shared --disable-static
>>> --disable-opencl \
>>>  --with-modules --with-quantum-depth=16 --without-wmf --with-rsvg \
>>>  --disable-silent-rules --disable-dependency-tracking --without-pango \
>>>  --with-lqr --with-gslib
>>> --with-gs-font-dir=/opt/local/share/ghostscript/fonts/
>>>
>>>
>>> But it does not enable OpenMP.
>>
>> I don't know much about openmp, sorry. You might need to ask the
>> developers of ImageMagick.
>>
>>
>>> I tried to check my versions of clang and gcc and get the following:
>>>
>>> clang --version
>>> Apple LLVM version 8.1.0 (clang-802.0.42)
>>> Target: x86_64-apple-darwin16.5.0
>>> Thread model: posix
>>> InstalledDir:
>>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
>>>
>>> and
>>>
>>> gcc --version
>>> Configured with:
>>> --prefix=/Applications/Xcode.app/Contents/Developer/usr
>>> --with-gxx-include-dir=/usr/include/c++/4.2.1
>>> Apple LLVM version 8.1.0 (clang-802.0.42)
>>> Target: x86_64-apple-darwin16.5.0
>>> Thread model: posix
>>> InstalledDir:
>>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
>>>
>>>
>>> I do not see any clang version that is like 3.8 or 3.9.
>>
>> Yes, Apple assigns their own version numbers to the fork of clang they
>> ship with Xcode and the command line tools. They used to tell us what
>> FSF versions of clang those correspond to, but they don't anymore. I
>> don't know what FSF version of clang Apple LLVM 8.1 corresponds to.
>> Jeremy Sequoia probably knows.
>>
>>
>>> Sorry, I am not a software or unix expert.  Can you tell me how I can
>>> verify if the Xcode compilers are correct for enabling openmp?
>>
>> I don't know; maybe someone else on the list does.
>>
>>
>