Darwin support

[Alex Strickland]

Hi

I tried to build Harbour on a Mac M1 and I did not get too far.

Looks like the png library needs to be updated:

clang   -I. -I../../../../../../include -fno-common -Wmissing-braces
-Wreturn-type -Wformat -Wimplicit-int -Wimplicit-function-declaration
-O3 -I/Users/alexstrickland/dev/harbour-core/src/3rd/zlib -DPNG_NO_STDIO
-DPNG_ARM_NEON_OPT=0  -o png.o  -c ../../../png.c
In file included from ../../../png.c:14:
../../../pngpriv.h:524:16: fatal error: 'fp.h' file not found
  524 | #      include <fp.h>
      |                ^~~~~~
1 error generated.

It looks easy to fix in a simplistic way, but really the png source
needs to be updated to 6.41 from 6.40 or ideally to the latest release
6.48 and I don't have a very good idea how to do that.

Is anyone maintaining a build for Harbour for Darwin and they have been
shy to try and get it into the https://github.com/harbour/core repository?

--

Regards

Alex

[Robb]

Alex,

I have been doing local builds on an M1 Mac for quite sometime time, typically just running a new build anytime there has been an update on GitHub for the project. The last build I did was after the last update on March 25, 2025 , and at the time I built it without issue. And, I don't remember ever having any real issues at all.

From the binary I currently built and use locally: Harbour 3.2.0dev (r2503251254)

That said, I just attempted to do another build after reading your post. The harbour source is still what I would have pulled back in March, no changes there. I was surprised that I got the same error on this build as you reported. I know I haven't touched the harbour repository, the only thing I can recall doing since 3/25 on this machine was the upgrade to Sequoia 15.5. I'm assuming that update also updated clang and that broke things, though I currently have no idea what that might be. If not that then I haven't a clue what changed to cause this. I don't have time to dig into it right now, but wanted to share my experience in this regard while I was thinking about it. I'm not disagreeing that the png source could stand to be updated, but I don't think that that alone is what broke this.

Robb

[Francesco Perillo]

https://forum.qt.io/topic/161705/building-for-ios-fatal-error-fp-h-file-not-found

https://community.aseprite.org/t/build-failed-on-macos-15-4-due-to-fp-h-not-found/25192/6

A couple of possible fixes... upgrading the lib is the best but must be done with extreme care

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[lai...@paysoft.com.br]

I am using mac m1 for long time and it is working ok.
probably there are some package homebew that you should install.

try 

brew install xquartz pcre libpng zlib

sudo ln -s /opt/X11 /usr/X11
sudo ln -s /opt/X11 /usr/X11R6

export HB_WITH_PCRE=local
export HB_WITH_ZLIB=local
export HB_WITH_JPEG=local
export HB_WITH_PNG=local

Then try it

make clean
make

[Lorenzo Fiorini]

Hello, I've got similar problems few weeks ago (see src/3rd/png and src/3rd/zlib build errors with latest MacOS 15.4 in Harbour lists)

Since 15.4, MacOS uses clang 17 that has changed a few things (search for clang 17 errors).

I've fixed using the latest versions from homebrew instead of local versions.

This is my actual setup:

export HB_WITH_ZLIB=/opt/homebrew/opt/zlib/include
export HB_WITH_PCRE=/opt/homebrew/opt/pcre/include
export HB_WITH_PNG=nolocal
export HB_WITH_JPEG=nolocal

Regards,

Lorenzo

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[Alex Strickland]

Hi Lorenzo

I tried your suggestion, thank you. I got an error about zlib:

Makefile:329: *** ! Error: zlib component required, but not available. 
Stop.

so it looked like I needed homebrew so I installed that and then zlib:

brew install zlib

and:

make

and the compile seemed to go well and then I ran:

sudo make install

And then this pops up again:

clang   -I. -I../../../../../../include -fno-common -Wmissing-braces
-Wreturn-type -Wformat -Wimplicit-int -Wimplicit-function-declaration
-O3 -I/Users/alexstrickland/dev/harbour-core/src/3rd/zlib -DPNG_NO_STDIO
-DPNG_ARM_NEON_OPT=0  -o png.o  -c ../../../png.c
In file included from ../../../png.c:14:
../../../pngpriv.h:524:16: fatal error: 'fp.h' file not found
  524 | #      include <fp.h>
      |                ^~~~~~
1 error generated.

Any idea why make works and make install does not : (

--
Regards
Alex

[Lorenzo Fiorini]

Hi Alex, it seems it still tries to build the local version of png which is not working with clang 17.

Are you sure that these exports are in place?  

export HB_WITH_PNG=nolocal
export HB_WITH_JPEG=nolocal

png and jpeg in src/3rd are very old and are not used in the RTL so they can be omitted from the build while zlib and pcre are needed.

Regards,
Lorenzo

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[Alex Strickland]

Hi Lorenzo

I did everything again, and it seems I must have done something odd between "make" and "make install", it all went smoothly.

Because I am stubborn (as you say I don't even use the png lib) I did this:

export HB_WITH_ZLIB=/opt/homebrew/opt/zlib/include

export HB_WITH_PCRE=/opt/homebrew/opt/pcre/include

export HB_WITH_PNG=/opt/homebrew/opt/libpng/include

and that all worked fine as well.

Thank you.

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Regards

Alex

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[Alex Strickland]

Hi

I experienced the same error as before. I am not sure what the point of installing homebrew versions is if you don't point the exports at them?

You may have seen from my other posts that I have a successful Harbour build under MacOS now.

I wondered actually what you use xquartz for?

Thank you for the reply.

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Regards

Alex

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