<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634'>You may want to take a look at “meta/conf/distro/include/security_flags.inc”. I think it does what you are looking for<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634'>//Peter<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#943634'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> bitbake-devel-bounces@lists.openembedded.org [mailto:bitbake-devel-bounces@lists.openembedded.org] <b>On Behalf Of </b>Udayan Bapat<br><b>Sent:</b> den 8 november 2013 14:53<br><b>To:</b> bitbake-devel@lists.openembedded.org<br><b>Subject:</b> [bitbake-devel] How to strip CFLAGS in the recipe file?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Hi all,<br><br>I have a Yocto build environment where I intend to build all recipes with -fPIE flag. So I have added CFLAGS_append += '-fPIE' in the local.conf. However since shared libraries can not be built using -fPIE flag, I would like to remove it from some recipes.<br><br>So far I have tried this in .bb files - <br><br>CFLAGS_noPIE = "<a href="mailto:$%7b@'$%7bCFLAGS%7d'.replace('-fPIE','')%7d">${@'${CFLAGS}'.replace('-fPIE','')}</a>"<br><br>do_compile_prepend () {<br> CFLAGS = "${CFLAGS_noPIE}"<br>}<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>This throws an error - <br><br>*/zlib-native/1.2.8-r0/temp/run.do_compile.23159: line 82: CFLAGS: command not found<o:p></o:p></p></div><p class=MsoNormal>I also have tried - <br><br>CFLAGS = "${@'${CFLAGS}'.replace('-<o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'>fPIE','')}"<o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>This doesn't work because same variable can not be referenced twice.<o:p></o:p></p></div><div><p class=MsoNormal>Then I tried this - <br><br>CFLAGS_noPIE = "<a href="mailto:$%7b@'$%7bCFLAGS%7d'.replace('-fPIE','')%7d">${@'${CFLAGS}'.replace('-fPIE','')}</a>"<o:p></o:p></p></div><div><p class=MsoNormal>CFLAGS = "${CFLAGS_noPIE}" <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'>This fails with an error "maximum recursion depth exceeded for variable 'CFLAGS'"<o:p></o:p></p></div><div><p class=MsoNormal>What is the correct way to doing this?<br><br>Thanks<o:p></o:p></p></div></div></div></div></div></div></body></html>