[Wien] SRC_trig ifx patch

[Gavin Abo]

A user recently brought to my attention that the executable files (such 
as hex2rhomb) in SRC_trig of WIEN2k 24.1 were not compiling when using ifx.

There is now a Makefile.orig.patch at [1] that should fix that. It just 
needs applied using "patch -b Makefile.orig Makefile.orig.patch" while 
in the SRC_trig directory with the patch file present before running 
./siteconfig for the first time during installation.

If the patch wasn't applied before the first run of ./siteconfig, an 
additional step 3 below is needed:

_Step 1: Download the patch file_

username at computername:~$ cd $WIENROOT/SRC_trig
username at computername:~/WIEN2k/SRC_trig$ wget 
https://github.com/gsabo/WIEN2k-Patches/raw/refs/heads/master/24.1/Makefile.orig.patch

_Step 2: Apply the patch_

username at computername:~/WIEN2k/SRC_trig$ patch -b Makefile.orig 
Makefile.orig.patch

_Step 3: Create new SRC_trig/Makefile (from SRC_trig/Makefile.orig) 
using ./siteconfig_

username at computername:~/WIEN2k/SRC_trig$ cd $WIENROOT
username at computername:~/WIEN2k$ ./siteconfig

Select "C Specify Compiler" and use ifx again for the Fortran compiler.

SRC_trig should be listed in the message on the screen which indicates 
creation of the new SRC_trig/Makefile.

_Step 4: Compile_

If running ./siteconfig for the first time, select "A Compile all 
programs" when coming across it during the installation.  If after the 
first time, while still in ./siteconfig (or run ./siteconfig again), 
select "R Compile/Recompile". Then, select "A Compile all programs".

[1] https://github.com/gsabo/WIEN2k-Patches/tree/master/24.1

Best Regards,

Gavin
WIEN2k user
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