How to build on Mac OS X ?

You need to prepare these.

• reference libraries from github.com
• brew
• Xcode

Reference libraries

• fltk-1.3.5-2-ts
• fl_imgtk
• minIni

places fl_imgtk and minIni

• Let places fl_imgtk and minIni each same level of directory with make_img_o_hdr.
• eg.

  projects\make_img_o_hdr
  projects\fl_imgtk
  projects\minIni
  

Configure & Make & Install fltk-1.3.4-5-ts

• Make configure fltk-1.3.5-2-ts with ./configMac.sh.
• configMac.sh may helps complete configure with Xcode llvm-gcc if you already installed HPC-gcc.
• Then, just make.
• When it completed, install fltk to your system with root privilege : sudo make install.

Make fl_imgtk.

• Just move to cloned repository path to fl_imgtk.
• And make it with llvm.

Move to make_img_o_hdr, then make it.

• Just make with this : make -f Makefile.llvm
• Done.

MacOS Big Sur

• MacOS Big Sur and arm64 architecture may automatically enables universal binary architecture for these references:
  • fltk-1.3.5-2-ts
  • fl_imgtk
• Please keep updates for these libraries for latest make_img_o_hdr.