When trying to compile the 'next' branch of xenomai-3.git under Ubuntu 14.04, I
get this error:
Making all in autotune
make[2]: Entering directory
`/home/webb-ja/deb/xenomai-3.git.test/utils/autotune'
gcc -DHAVE_CONFIG_H -I. -I../../include
-I/home/webb-ja/deb/xenomai-3.git.test/lib/cobalt/arch/x86/include
-I/home/webb-ja/deb/xenomai-3.git.test/kernel/cobalt/arch/x86/include -DNDEBUG
-O2 -D_GNU_SOURCE -D_REENTRANT -pipe -fstrict-aliasing -Wall
-Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wno-unused-parameter
-Werror -D__XENO__ -D__IN_XENO__
-I/home/webb-ja/deb/xenomai-3.git.test/include/cobalt -I../../include -MT
autotune-autotune.o -MD -MP -MF .deps/autotune-autotune.Tpo -c -o
autotune-autotune.o `test -f 'autotune.c' || echo './'`autotune.c
autotune.c: In function ‘main’:
autotune.c:298:9: error: ignoring return value of ‘daemon’, declared with
attribute warn_unused_result [-Werror=unused-result]
daemon(0, 0);
^
cc1: all warnings being treated as errors
make[2]: *** [autotune-autotune.o] Error 1
make[2]: Leaving directory `/home/webb-ja/deb/xenomai-3.git.test/utils/autotune'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/webb-ja/deb/xenomai-3.git.test/utils'
make: *** [all-recursive] Error 1
I see this sort of thing often due to Ubuntu's default compiler flags settings.
I applied the attached patch to fix it.
-Jeff
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