Does setting the env-var MACOSX_DEPLOYMENT_TARGET not work?

> On Apr 26, 2019, at 6:22 AM, Barry Scott <ba...@barrys-emacs.org> wrote:
> 
> I have found the problem and its in the way I setup CFLAGS and LDFLAGS.
> 
> In the past it was necessary to setup the env like this so that the build use 
> the Mac OSX SDK so that you can target older Mac OSX releases:
> 
>       export 
> CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
>         export CFLAGS="-arch ${BUILD_ARCH} -isysroot 
> ${SDK_FOLDER}/${MACOSX_SDK} -Wno-deprecated-declarations"
>         export LDFLAGS="-arch ${BUILD_ARCH} 
> -Wl,-syslibroot,${SDK_FOLDER}/${MACOSX_SDK}"
> 
> But with the latest Xcode that no longer works as it did, however I can use 
> newer clang options:
> 
>         export CFLAGS="-arch ${BUILD_ARCH} 
> -mmacosx-version-min=${ALL_MACOSX_DEPLOYMENT_TARGETS} 
> -Wno-deprecated-declarations"
>         export LDFLAGS="-arch ${BUILD_ARCH} 
> -mmacosx-version-min=${ALL_MACOSX_DEPLOYMENT_TARGETS}"
> 
> With that changed I can configure. I will follow up if there are any more 
> changes that are worth recording here.
> 
> Barry
> 
> 
> 
>> On 24 Apr 2019, at 19:39, William A Rowe Jr <wr...@rowe-clan.net 
>> <mailto:wr...@rowe-clan.net>> wrote:
>> 
>> Hi Barry,
>> 
>> you are looking at the latest consensus code spanning BSD and OS/X in two 
>> variants.
>> 
>> It would help us if you would share your config.log and entire output of 
>> ./configure along with cc -version type data for the applicable compiler.
>> 
>> 
>> On Wed, Apr 24, 2019 at 1:04 PM Barry Scott <ba...@barrys-emacs.org 
>> <mailto:ba...@barrys-emacs.org>> wrote:
>> I use ./configure --prefix=/usr/local/svn and see the error:
>> ...
>> checking whether int64_t and long long use fmt %lld... no
>> configure: error: could not determine the string function for int64_t
>> 
>> Looking in config.log I see this:
>> 
>> configure:24313: 
>> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
>>  -c -arch x86_64 -isysroot 
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
>>  -Wno-deprecated-declarations  -Werror -DDARWIN 
>> -DSIGPROCMASK_SETS_THREAD_MASK -DDARWIN_10 conftest.c >&5
>> In file included from conftest.c:149:
>> In file included from 
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/types.h:109:
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/_types/_gid_t.h:31:25:
>>  error: cannot combine with previous 'type-name' declaration specifier
>> typedef __darwin_gid_t  gid_t;
>>                         ^
>> ./confdefs.h:137:15: note: expanded from macro 'gid_t'
>> #define gid_t int
>>               ^
>> In file included from conftest.c:149:
>> In file included from 
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/types.h:128:
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/_types/_uid_t.h:31:31:
>>  error: cannot combine with previous 'type-name' declaration specifier
>> typedef __darwin_uid_t        uid_t;
>>                               ^
>> ./confdefs.h:136:15: note: expanded from macro 'uid_t'
>> #define uid_t int
>>               ^
>> In file included from conftest.c:149:
>> In file included from 
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/types.h:167:
>> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/_types/_ssize_t.h:31:33:
>>  error: cannot combine with previous 'type-name' declaration specifier
>> typedef __darwin_ssize_t        ssize_t;
>>                                 ^
>> ./confdefs.h:138:17: note: expanded from macro 'ssize_t'
>> #define ssize_t int
>>                 ^
>> 3 errors generated.
>> 
>> Clearly configdefs.h must not define ssize_t - is this a know problem?
>> Is there a patch I help can test?
>> 
>> Barry
>> 
> 

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