10.6.8 and ffmpeg

[Richard L. Hamilton]

Thanks - closer, but must be more to it than that:

h-3.2# ls -ld /Dev*
lrwxr-xr-x   1 root  admin   16 Aug 23 20:42 /Developer -> /Developer-3.2.6
drwxrwxr-x@ 20 root  admin  680 Nov 16  2010 /Developer-3.2.2
drwxrwxr-x@ 16 root  admin  544 Aug 23 19:50 /Developer-3.2.6
drwxrwxr-x  14 root  admin  476 Jun  4  2011 /Developer-4.0.2
drwxrwxr-x  14 root  admin  476 Mar 26  2015 /Developer-4.2

sh-3.2# ls /Developer?*/SDKs
/Developer-3.2.2/SDKs:
MacOSX10.4u.sdk	MacOSX10.5.sdk	MacOSX10.6.sdk

/Developer-3.2.6/SDKs:
MacOSX10.5.sdk	MacOSX10.6.sdk	MacOSX10.7.sdk

/Developer-4.0.2/SDKs:
MacOSX10.6.sdk

/Developer-4.2/SDKs:
MacOSX10.6.sdk

sh-3.2# xcode-select --print-path
/Developer-3.2.6


--->  Configuring libsdl2
Error: Failed to configure libsdl2, consult /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.5/config.log


Lines of likely interest from config.log:

configure:2919: checking for gcc
configure:2946: result: /usr/bin/gcc-4.2
configure:3175: checking for C compiler version
configure:3184: /usr/bin/gcc-4.2 --version >&5
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure:3195: $? = 0
configure:3184: /usr/bin/gcc-4.2 -v >&5
Using built-in specs.
Target: i686-apple-darwin10
Configured with: /var/tmp/gcc/gcc-5666.3~6/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin10 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1
Thread model: posix
gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)
configure:3195: $? = 0
configure:3184: /usr/bin/gcc-4.2 -V >&5
gcc-4.2: argument to `-V' is missing
configure:3195: $? = 1
configure:3184: /usr/bin/gcc-4.2 -qversion >&5
i686-apple-darwin10-gcc-4.2.1: no input files
configure:3195: $? = 1
configure:3215: checking whether the C compiler works
configure:3237: /usr/bin/gcc-4.2 -pipe -Os -isysroot/Developer-3.2.6/SDKs/MacOSX10.7.sdk -arch x86_64 -arch i386 -I/opt/local/include -isysroot/Developer-3.2.6/SDKs/MacOSX10.7.sdk -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Developer-3.2.6/SDKs/MacOSX10.7.sdk -arch x86_64 -arch i386 conftest.c  >&5
ld: library not found for -lcrt1.10.6.o
collect2: ld returned 1 exit status
ld: library not found for -lcrt1.10.6.o
collect2: ld returned 1 exit status
fatal error: lipo: can't open input file: /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/.tmp/ccWPQ19t.out (No such file or directory)
configure:3241: $? = 1
configure:3279: result: no
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME ""
| #define PACKAGE_TARNAME ""
| #define PACKAGE_VERSION ""
| #define PACKAGE_STRING ""
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL ""
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:3284: error: in `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.5':
configure:3286: error: C compiler cannot create executables
See `config.log' for more details


sh-3.2# /Users/rlhamil/bin/vers  # a script of mine that outputs the versions of various interesting things that might be relevant
Hardware Version: Mac mini (Mid 2007)
Model Identifier: Macmini2,1
Mac OS X 10.6.8 10K549 (Snow Leopard)
Xcode 3.2.6 DevToolsSupport-1806.0
MacPorts Version: 2.3.4


> On Oct 28, 2016, at 22:05, Ken Cunningham <ken.cunningham.webuse at gmail.com> wrote:
> 
> libsdl2 will build without trouble on 10.6.8 if you find a copy of the 10.7 SDK and put it like so in /Developer/SDKs/MacOSX10.7.sdk
> 
> Ken
> 
> 
> On 2016-10-28, at 9:58 PM, Richard L. Hamilton wrote:
> 
>> Am I right in thinking that  ffmpeg now requires libsdl2 while it previously required libsdl?  That causes ffmpeg to fail on 10.6.x, because libsdl2 fails:
>> 
>> Error: org.macports.fetch for port libsdl2 returned: Building libsdl2 requires OS X 10.7 SDK or later
>> Error: Failed to install libsdl2
>> Please see the log file for port libsdl2 for details:
>>   /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/main.log
>> Error: The following dependencies were not installed: libsdl2
>> Error: Unable to upgrade port: 1
>> To report a bug, follow the instructions in the guide:
>>   http://guide.macports.org/#project.tickets
>> 
>> _______________________________________________
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>> macports-users at lists.macosforge.org
>> https://lists.macosforge.org/mailman/listinfo/macports-users
>