[Debian-astro-maintainers] Bug#818833: cpl-plugin-xshoo: FTBFS with libc 2.23: non-floating-point argument in call to function '__builtin_isnan'

[Martin Michlmayr]

Package: cpl-plugin-xshoo
Version: 2.6.8+dfsg-4
Severity: important
User: debian-glibc at lists.debian.org
Usertags: 2.23

This package fails to build with libc6 2.23 (2.23-0experimental0 from
experimental).

> sbuild (Debian sbuild) 0.68.0 (15 Jan 2016) on dl580gen9-02.hlinux
...
> libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -DCX_LOG_DOMAIN=\"XshLib\" -I../xsh -I../irplib -I../hdrl -I/usr/include -I/usr/include -I/usr/include -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-builtin -std=c99 -Wall -I/usr/include -Inotneeded -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-builtin -std=c99 -Wall -DIRPLIB_USE_FITS_UPDATE_CHECKSUM -Wdate-time -D_FORTIFY_SOURCE=2 -Inotneeded -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -fno-builtin -std=c99 -Wall -c xsh_utils_efficiency.c  -fPIC -DPIC -o .libs/xsh_utils_efficiency.o
> xsh_utils_efficiency.c: In function 'xsh_efficiency_compute':
> xsh_utils_efficiency.c:1104:6: error: non-floating-point argument in call to function '__builtin_isnan'
>       if(!isnan(nclip)) {
>       ^
> xsh_utils_efficiency.c: At top level:
> xsh_utils_efficiency.c:1172:15: warning: 'slaAirmas' defined but not used [-Wunused-function]
>  static double slaAirmas ( double zd )
>                ^
> Makefile:865: recipe for target 'xsh_utils_efficiency.lo' failed

-- 
Martin Michlmayr
Linux for HPE Helion, Hewlett Packard Enterprise