I've also built the gcc version of ghdl for OS X (10.8/10.9/10.9.1) see
https://sourceforge.net/p/ghdl-updates/wiki/OS%20X%20gcc%20ghdl%20build%20instructions/
Instructions for building GHDL (version 0.31dev) with GCC4.8.2 on OS X 10.9
This could likewise go into a makefile with the exception that wget isn't
native to OS X.
I'll be making a binary release after a bit of testing and coming up with a
README describing how the two versions of the GPL interplay (gcc-4.8.2 is
released under GPLv3). No fancy packages seem warranted with Apple's
Gatekeeper and the lack of an actual App.
I may build a relocatable gcc/ghdl before actually releasing. Turns out ghdl
doesn't find ghdl1 the way it's built. (any gcc version of ghdl).
Where ghdl1 is found in :
/opt/ghdl/gcc-4.8.2/libexec/gcc/x86_64-apple-darwin13.0.0/gcc.4.8.2/ghd1
for gcc build PREFIX = /opt/ghdl/gcc-4.8.2
move ghdl to somewhere else and it still expects:
david_koontz@Macbook: ghdl -a fault_gen.vhdl
ghdl: installation problem:
/opt/ghdl/gcc-4.8.2/libexec/gcc/x86_64-apple-darwin13.0.0/4.8.2/ghdl1 not found
It's hard coded in drvdir/default_pathes.ads:
Compiler_Gcc : constant String :=
"/opt/ghdl/gcc-4.8.2/libexec/gcc/x86_64-apple-darwin13.0.0/4.8.2/ghdl1";
Which begs the question as to whether gnat's OS_LIB.Locate_Exec_On_Path
swallows relative paths (see ghdldrv/ghdldrv.adb).
(dependent on something called Normalize_Pathname, which gets the current
working directory so presumably does support relative paths).
(part of gnatlib, both in gcc-4.8.2/gcc/ada/s-os_lib.adb)
Also the path to the vhdl libraries is given hardcoded in
drvdir/default_pathes.ads:
Prefix : constant String :=
"/opt/ghdl/gcc-4.8.2/lib/gcc/x86_64-apple-darwin13.0.0/4.8.2/vhdl/lib/";
Which doesn't result in an executable being searched for and can be specified
with GHDL_PREFIX in your environment.
(see ghdldrv/ghdllocal.adb) as well as a CLI arg (--PREFIX=path) for -a (and
presumably -e, -c, ...) (see options.adb)
It'd be nice if Prefix could be relative too.
The rest of gcc is supposed to use relative paths.
--
There's also directions for building mcode versions for OS X or a 32 bit Linux,
see
https://sourceforge.net/p/ghdl-updates/wiki/build%20mcode%20ghdl/
(And it's a shell script that can be customized for either OS X or Linux.)
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