[bug #61740] WCSLIB causing with system's wide-character string (WCS) library in Gnulib checks

[Mohammad Akhlaghi]

URL:
  <https://savannah.gnu.org/bugs/?61740>

                 Summary: WCSLIB causing with system's wide-character string
(WCS) library in Gnulib checks
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Wed 29 Dec 2021 04:07:31 PM UTC
                Category: Installation
                Severity: 3 - Normal
              Item Group: Crash
                  Status: In Progress
                 Privacy: Public
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any

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Details:

In Gnuastro, Gnulib does an extensive set of checks during configure time to
make sure that the system has all the necessary C library components. Because
they are very long, to help users notice high-level dependencies easier,
Gnuastro does the high-level library checks first.

However, one problem comes up: WCSLIB has the same library name (-lwcs) as the
system's wide-character string (WCS; '-lwcs'). On some systems this can cause
conflicts with Gnulib's 'getgroups' check and cause a crash later, when it is
being built (as shown in the P.S.

This bug was reported by Martin Guerrero Roncel


P.S. Compilation crash due to conflicts in Gnulib's checks:


libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getcwd-lgpl.lo
-MD -MP -MF .deps/getcwd-lgpl.Tpo -c getcwd-lgpl.c -o getcwd-lgpl.o >/dev/null
2>&1
getgroups.c:33:1: error: conflicting types for 'rpl_getgroups'
getgroups (_GL_UNUSED int n, _GL_UNUSED GETGROUPS_T *groups)
^
./unistd.h:1702:22: note: expanded from macro 'getgroups'
#   define getgroups rpl_getgroups
                     ^
./unistd.h:1704:1: note: previous declaration is here
_GL_FUNCDECL_RPL (getgroups, int, (int n, gid_t *groups));
^
./time.h:156:23: note: expanded from macro '_GL_FUNCDECL_RPL'
  _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes)
                      ^
<scratch space>:39:1: note: expanded from here
rpl_getgroups
^
1 error generated.
make[4]: *** [getgroups.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getdelim.lo -MD
-MP -MF .deps/getdelim.Tpo -c getdelim.c -o getdelim.o >/dev/null 2>&1
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getdtablesize.lo
-MD -MP -MF .deps/getdtablesize.Tpo -c getdtablesize.c -o getdtablesize.o
>/dev/null 2>&1
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getline.lo -MD
-MP -MF .deps/getline.Tpo -c getline.c -o getline.o >/dev/null 2>&1
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getopt1.lo -MD
-MP -MF .deps/getopt1.Tpo -c getopt1.c -o getopt1.o >/dev/null 2>&1
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../..
-I/home/user/gnuastro/install/include -Wall -O3 -pthread -MT getopt.lo -MD -MP
-MF .deps/getopt.Tpo -c getopt.c -o getopt.o >/dev/null 2>&1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2





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