Hi!<br><br>I am trying to install the RRDTool and have tried versions 1.2.19 and <a href="http://1.2.27.">1.2.27.</a> The Make fails every single time with the following errors:<br><br>&nbsp;gcc -DHAVE_CONFIG_H -I. -I. -I.. -DRRD_DEFAULT_FONT=\&quot;/export/home/m34206/htdocs/Tools/rrdtool-1.2.27/share/rrdtool/fonts/DejaVuSansMono-Roman.ttf\&quot; -DNUMVERS=1.2019 -I/export/home/m34206/htdocs/Tools/rrdbuild/lb/include -I/export/home/m34206/htdocs/Tools/rrdbuild/lb/include/libart-2.0 -I/export/home/m34206/htdocs/Tools/rrdbuild/lb/include/freetype2 -I/export/home/m34206/htdocs/Tools/rrdbuild/lb/include/libpng -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -I/usr/include/libart-2.0 -I/usr/include/freetype2 -O3 -Wall -std=gnu99 -pedantic -Wshadow -Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline -W -fPIC -DPIC -c rrd_gfx.c -Wp,-MD,.deps/rrd_gfx.TPlo&nbsp; -fPIC -DPIC -o .libs/rrd_gfx.o<br>
<b style="color: rgb(102, 51, 255);">gcc: unrecognized option `-std=gnu99&#39;</b><br style="color: rgb(102, 51, 255);"><b style="color: rgb(102, 51, 255);">rrd_gfx.c:16: warning: invalid character in macro parameter name<br>
rrd_gfx.c:16: badly punctuated parameter list in `#define&#39;<br>make[2]: *** [rrd_gfx.lo] Error 1</b><br style="color: rgb(102, 51, 255);">make[2]: Leaving directory `/rrdbuild/rrdtool-1.2.19/src&#39;<br>make[1]: *** [all-recursive] Error 1<br>
make[1]: Leaving directory `/rrdbuild/rrdtool-1.2.19&#39;<br>make: *** [all] Error 2<br><br>Please advise how to resolve this issue.<br><br>Thanks,<br>Sachin<br><br><br>