Re: [MACTCL] trouble building tcl/tk from source (macOS 10.15.6, Xcode 12.4) --> strtoul() issue???

[Kevan H. <ha...@br...>]

Dear Uwe,

I'm having the same trouble as you.

> I put both tcl8.7a3 and tk8.7a3 in a common subdir tcltk8.7a3 and renamed both source trees to tcl and tk, respectively

I just did the same thing on MacOS 10.15.7

> tcl builds OK with:
> 
> cd tcl/macosx
> ./configure
> make

Here I do the following to make an embedded verion of TclTk 8.7a3:

export CFLAGS="-arch x86_64"
make -C tcl/macosx embedded
make -C tk/macosx embedded

> tk compiles OK with the corresponding command sequence but fails to link:
> 
> Undefined symbols for architecture x86_64:
>    "_TclIsSpaceProc", referenced from:
>        _strtoul in libtclstub8.7.a(strtoul.o)
> ld: symbol(s) not found for architecture x86_64
> clang: error: linker command failed with exit code 1 (use -v to see invocation)

I get the same error.

> BTW, the same happens when I try to build tcl/tk 8.6.10 from the command line.

Same for me.

So, I try linking against an older SDK, which I have on my hard driver, to generate an executable that will run on MacOS 10.8+. This worked before I updated from an earlier version of MacOS 10.15 to my current 10.15.7.

export CFLAGS="-arch x86_64 \
	-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.8.sdk \
	-mmacosx-version-min=10.8"
make -C tcl/macosx embedded
make -C tk/macosx embedded

The Tk build fails with a compiler error:

macosx/ttkMacOSXTheme.c:1097:22: error: implicit declaration of function 'CGPathCreateWithRoundedRect' is
       invalid in C99 [-Werror,-Wimplicit-function-declaration]
     CGPathRef path = CGPathCreateWithRoundedRect(insetBounds, 4, 4, NULL);

I try using the 10.15 SDK to make a 10.15+ executable and the Tk link fails with the same error you show above. Six months ago I compiled 8.6.10 and 8.6.11 multiple times for MacOS 10.8, 10.9, etc. with no problems. But that was before I installed the 10.15.7 update.

Best, Kevan

-- 
Kevan Hashemi, Electrical Engineer
Physics Department, Brandeis University
http://www.bndhep.net