libtool: compile:  /stuff/src/buildroot-qt/output/host/usr/bin/arm-buildroot-linux-gnueabihf-gcc -pedantic -ansi -I/stuff/src/buildroot-qt/output/build/freetype-2.7.1/objs -I./builds/unix -I/stuff/src/buildroot-qt/output/build/freetype-2.7.1/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -c -Wall -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -I/stuff/src/buildroot/output/host/usr/arm-buildroot-linux-gnueabihf/sysroot/usr/include -DFT_CONFIG_OPTION_SYSTEM_ZLIB -DFT_CONFIG_OPTION_USE_BZIP2 -I/usr/include/libpng16 -DFT_CONFIG_OPTION_USE_PNG "-DFT_CONFIG_CONFIG_H=<ftconfig.h>" -DFT2_BUILD_LIBRARY "-DFT_CONFIG_MODULES_H=<ftmodule.h>" /stuff/src/buildroot-qt/output/build/freetype-2.7.1/src/base/ftinit.c  -fPIC -DPIC -o /stuff/src/buildroot-qt/output/build/freetype-2.7.1/objs/.libs/ftinit.o
arm-buildroot-linux-gnueabihf-gcc: ERROR: unsafe header/library path used in cross-compilation: '-I/usr/include/libpng16'
make[1]: *** [/stuff/src/buildroot-qt/output/build/freetype-2.7.1/builds/freetype.mk:219: /stuff/src/buildroot-qt/output/build/freetype-2.7.1/objs/ftdebug.lo] Error 1
make[1]: *** Waiting for unfinished jobs....