Fails to install on Debian buster

[hakonhagland]

Refer to this cpantesters report:

Output from running './Build':

Building Math-GSL
Processing 2.7 XS files, GSL 2.7 (via gsl-config) at /usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL
Compiler        = x86_64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

ccflags         = -fPIC -I/usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL/include -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wno-sometimes-uninitialized -Wno-unused-function -Wno-unused-value -Wno-unused-function -Wno-unused-variable -Wno-gnu -g -fPIC -fno-omit-frame-pointer -I/usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL/include
ldflags         = -shared -L/usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL/lib -lgsl -lgslcblas -lm -fPIC -fno-omit-frame-pointer
PERL5LIB        = /home/cpansand/.cpan/build/2021072619/Test-Taint-1.08-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Taint-1.08-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Most-0.37-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Most-0.37-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Warn-0.36-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Warn-0.36-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Differences-0.68-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Differences-0.68-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Text-Diff-1.45-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Text-Diff-1.45-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Algorithm-Diff-1.201-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Algorithm-Diff-1.201-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Deep-1.130-1/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Deep-1.130-1/blib/lib:/home/cpansand/.cpan/build/2021072619/Exception-Class-1.45-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Exception-Class-1.45-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Devel-StackTrace-2.04-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Devel-StackTrace-2.04-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Class-Data-Inheritable-0.08-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Class-Data-Inheritable-0.08-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Class-0.52-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Class-0.52-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Exception-0.43-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Exception-0.43-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Sub-Uplevel-0.2800-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Sub-Uplevel-0.2800-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Module-Runtime-0.016-1/blib/arch:/home/cpansand/.cpan/build/2021072619/Module-Runtime-0.016-1/blib/lib:/home/cpansand/.cpan/build/2021072619/MRO-Compat-0.13-0/blib/arch:/home/cpansand/.cpan/build/2021072619/MRO-Compat-0.13-0/blib/lib:/home/cpansand/.cpan/build/2021072619/PkgConfig-0.25026-0/blib/arch:/home/cpansand/.cpan/build/2021072619/PkgConfig-0.25026-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Module-Build-0.4231-1/blib/arch:/home/cpansand/.cpan/build/2021072619/Module-Build-0.4231-1/blib/lib:/home/cpansand/.cpan/build/2021072619/Alien-GSL-1.04-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Alien-GSL-1.04-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Sort-Versions-1.62-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Sort-Versions-1.62-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Alien-Build-2.41-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Alien-Build-2.41-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Path-Tiny-0.118-1/blib/arch:/home/cpansand/.cpan/build/2021072619/Path-Tiny-0.118-1/blib/lib:/home/cpansand/.cpan/build/2021072619/File-chdir-0.1010-0/blib/arch:/home/cpansand/.cpan/build/2021072619/File-chdir-0.1010-0/blib/lib:/home/cpansand/.cpan/build/2021072619/FFI-CheckLib-0.28-0/blib/arch:/home/cpansand/.cpan/build/2021072619/FFI-CheckLib-0.28-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test2-Suite-0.000140-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test2-Suite-0.000140-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Test-Simple-1.302185-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Test-Simple-1.302185-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Term-Table-0.015-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Term-Table-0.015-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Sub-Info-0.002-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Sub-Info-0.002-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Scope-Guard-0.21-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Scope-Guard-0.21-0/blib/lib:/home/cpansand/.cpan/build/2021072619/Importer-0.026-0/blib/arch:/home/cpansand/.cpan/build/2021072619/Importer-0.026-0/blib/lib
LD_LIBRARY_PATH = 
x86_64-linux-gnu-gcc -I/usr/lib/x86_64-linux-gnu/perl/5.32/CORE -c -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -fPIC -I/usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL/include -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wno-sometimes-uninitialized -Wno-unused-function -Wno-unused-value -Wno-unused-function -Wno-unused-variable -Wno-gnu -g -fPIC -fno-omit-frame-pointer -I/usr/local/lib/x86_64-linux-gnu/perl/5.32.1/auto/share/dist/Alien-GSL/include -o xs/Diff_wrap.2.7.o xs/Diff_wrap.2.7.c
xs/Diff_wrap.2.7.c:1813:14: fatal error: gsl/gsl_nan.h: No such file or directory
 1813 |     #include "gsl/gsl_nan.h"
      |              ^~~~~~~~~~~~~~~
compilation terminated.
error building .o file from 'xs/Diff_wrap.2.7.c' at inc/GSLBuilder.pm line 339.

[hakonhagland]

@eserte Is this related to issue #12 in Alien::GSL ?