PAR pp macOs set -mmacosx-version-min

IB2017 has asked for the wisdom of the Perl Monks concerning the following question:

Dear monks

I am creating a binary of my script for macOS using PAR pp (latest version). Is there a way to set the value of -mmacosx-version-min? Reason: pp seems to set it automatically to the OS version used to compile the binary. In this way, however, there are problems when running the same binary on older OS versions. The binary created with pp contains the following info (read with $ otool -l binary):

Load command 9
      cmd LC_VERSION_MIN_MACOSX
  cmdsize 16
  version 10.13
      sdk 10.13
[download]

In some circumstances (for example if the binary is bundled in a .app), macOS will refuse to run the binary if the OS is older than the version indicated here (at least this is what I 've understood with my researches until now). The pp instructions do not seem to mention any option.

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Re: PAR pp macOs set -mmacosx-version-min by beech (Parson) on Jun 18, 2018 at 20:43 UTC
Is there a way to set the value of -mmacosx-version-min? Hi Yes, reinstall PAR/PAR::Packer, but edit Makefile to modify LD or LDFLAGS variable to add/set `-mmacosx-version-min=` Afterwards use "pp" as normal	[reply] [d/l]
Re^2: PAR pp macOs set -mmacosx-version-min by IB2017 (Pilgrim) on Jun 19, 2018 at 15:01 UTC
Thank you, beech. I need a bit of advice, as I never edited a Makefile before. The package has two Makefile, but I guess the one that needs editing is the one at the first level inside the package (the second being in folder "myldr"). How/Where do I add the variable `-mmacosx-version-min=`? I appreciate your help	[reply] [d/l]
Re^3: PAR pp macOs set -mmacosx-version-min by beech (Parson) on Jun 19, 2018 at 23:46 UTC
Hi So it doesn't already show up in any of the generated makefiles? One of CFLAGS/LDFLAGS would be the place to add it, possibly by editing postamble in https://metacpan.org/source/RSCHUPP/PAR-Packer-1.045/myldr/Makefile.PL If its not specified in any makefile , https://stackoverflow.com/questions/25352389/what-is-the-difference-between-macosx-deployment-target-and-mmacosx-version-min/25362535 says you can specify the same thing by `export MACOSX_DEPLOYMENT_TARGET=10.6`	[reply] [d/l]
Re^4: PAR pp macOs set -mmacosx-version-min by IB2017 (Pilgrim) on Jun 20, 2018 at 10:58 UTC
Re^5: PAR pp macOs set -mmacosx-version-min by beech (Parson) on Jun 21, 2018 at 02:35 UTC
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Re: PAR pp macOs set -mmacosx-version-min by IB2017 (Pilgrim) on Jun 23, 2018 at 14:16 UTC
After 3 days of work I found a solution. Not elegant nor practical, but it works. After setting the variable `export MACOSX_DEPLOYMENT_TARGET=10.11` (with the desired OS version), I reinstalled Perl with Perlbrew. In this way the `MACOSX_DEPLOYMENT_TARGET` was set inside the Perl installation too (visible through `perl -V`. For all the rest, I proceeded as usual. The final executable created with `pp` finally had: `Load command 9 cmd LC_VERSION_MIN_MACOSX cmdsize 16 version 10.11 sdk 10.13` [download]	[reply] [d/l] [select]