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I had following error when done cross compilation for android. 

Cross compiler used SDK/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7/bin/arm-linux-androideabi' 
./libgpsd.a(libgpsd_core.o):libgpsd_core.c:function gpsd_poll: error: undefined reference to '__isfinite'
./libgpsd.a(libgpsd_core.o):libgpsd_core.c:function gpsd_poll: error: undefined reference to '__isfinite'
./libgpsd.a(libgpsd_core.o):libgpsd_core.c:function gpsd_poll: error: undefined reference to '__isfinite'
./libgpsd.a(libgpsd_core.o):libgpsd_core.c:function gpsd_poll: error: undefined reference to '__isfinite'
Damian Kozlak
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Shajana Basheer
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1 Answers1

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The function infinite() is part of C99. Add LOCAL_CFLAGS += -std=c99 to your Android.mk. See question How to set standard c99 for compile android NDK project

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Rabbid76
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