D greene wrote:
Thanks Dalibor for your response.

thanks for the bug report. Does configure detect isnan and isinf?

cheers,
dalibor topic


Seems like I'm not detecting it, here's the relevant snippets from config.log:

configure:43911: test -s conftest
configure:43914: $? = 0
configure:43926: result: yes
configure:43939: checking for isnan
configure:43996: mipsel-unknown-linux-uclibc-gcc -o conftest -Os -fomit-frame-pointer -Wall -Wstrict prototypes -fno-omit-frame-pointer -DNDEBUG conftest.c -lm >&5
conftest.c:150: warning: function declaration isn't a prototype
conftest.c:157: warning: function declaration isn't a prototype
conftest.c:165: warning: function declaration isn't a prototype
/tmp/ccYGlYrN.o(.text+0x20): In function `main':
: undefined reference to `isnan'
/tmp/ccYGlYrN.o(.data+0x0): undefined reference to `isnan'
collect2: ld returned 1 exit status
configure:44002: $? = 1
configure: failed program was:
| /* confdefs.h. */
...
configure:44027: result: no
configure:44039: checking for isinf
configure:44096: mipsel-unknown-linux-uclibc-gcc -o conftest -Os -fomit-frame-pointer -Wall -Wstrict-prototypes -fno-omit-frame-pointer -DNDEBUG conftest.c -lm >&5
conftest.c:150: warning: function declaration isn't a prototype
conftest.c:157: warning: function declaration isn't a prototype
conftest.c:165: warning: function declaration isn't a prototype
/tmp/ccMvpRol.o(.text+0x20): In function `main':
: undefined reference to `isinf'
/tmp/ccMvpRol.o(.data+0x0): undefined reference to `isinf'
collect2: ld returned 1 exit status
configure:44102: $? = 1
configure: failed program was:
| /* confdefs.h. */
...
ac_cv_func_isinf=no
ac_cv_func_isnan=no

Judging by http://www.uclibc.org/cgi-bin/cvsweb/uClibc/include/math.h?annotate=1.12&sortby=file


there is an isnan and isinf implementation as a macro in include/math.h. I'm wondering why it doesn't get picked up in your case. Could you put your config.log and build.log online?

cheers,
dalibor topic

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