Installation issue

[lim9gu]

Hello,

I am trying to install hotpants in OS environment of Ubuntu 22.04.
I set the cfitsio include and lib path like;

CFITSIOINCDIR =  /usr/include/cfitsio/include
LIBDIR        =  /usr/include/cfitsio/lib

Referring the issue comment in #1,
I used the complier command changing c99 into gnu99;

gcc -funroll-loops -O3 -ansi -std=gnu99 -pedantic-errors -Wall -I/usr/include/cfitsio/include -D_GNU_SOURCE -c main.c

However, the "unused variable" error occurred.

 /usr/local/hotpants-master# gcc -funroll-loops -O3 -ansi -std=gnu99 -pedantic-errors -Wall -I/usr/include/cfitsio/include -D_GNU_SOURCE  -c main.c 
main.c: In function ‘main’:
main.c:21:59: warning: "/*" within comment [-Wcomment]
   21 |     /*double      meanksumSubstamps,scatterksumSubstamps; /* mean and scatter of ksum */
      |                                                            
main.c:562:38: warning: ‘%d’ directive writing between 1 and 10 bytes into a region of size 4 [-Wformat-overflow=]
  562 |             sprintf(ttype[k], "Region%d", k);
      |                                      ^~
main.c:562:31: note: directive argument in the range [0, 2147483646]
  562 |             sprintf(ttype[k], "Region%d", k);
      |                               ^~~~~~~~~~
In file included from /usr/include/stdio.h:894,
                 from main.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:10: note: ‘__builtin___sprintf_chk’ output between 8 and 17 bytes into a destination of size 10
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~
main.c:1870:30: warning: ‘__builtin___sprintf_chk’ may write a terminating nul past the end of the destination [-Wformat-overflow=]
 1870 |         sprintf(hInfo, "%s %s", hInfo, argv[i]);
      |                              ^
In file included from /usr/include/stdio.h:894,
                 from main.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:38:10: note: ‘__builtin___sprintf_chk’ output 2 or more bytes (assuming 2049) into a destination of size 2048
   38 |   return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   39 |                                   __glibc_objsize (__s), __fmt,
      |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   40 |                                   __va_arg_pack ());
      |                                   ~~~~~~~~~~~~~~~~~

I found the unused variable error occurs when the defined variable is not used in the code.

Can somebody help me?

[jehos]

I submitted PR #7 to solve this problem.. @acbecker

[BrunoSanchez]

I was also struggling with this.

Thanks I will try to test your fix (PR #7)!

[jehos]

@BrunoSanchez

You can install it using snap.

sudo snap install hotpants --edge

However, the snap version has several limitations.

• Files under a network file system such as NFS, SMB are not accessible.
• You can only access files under the '/home/' directory.
• SEE ALSO: https://forum.snapcraft.io/t/limitations-in-snapd/9718

If you can't ignore the limitations of the snap version, use the docker version.