When trying to build radvd (which now is at version 1.6, you only call for 1.6 so this needs bumping up too) I get the following error: ---- checking dependency style of /usr/src/wag54g/buildroot/output/staging/usr/bin/mipsel-linux-uclibc-gcc -Os -pipe -Os -I/usr/src/wag54g/buildroot/output/staging/usr/include -I/usr/src/wag54g/buildroot/output/staging/include --sysroot=/usr/src/wag54g/buildroot/output/staging/ -isysroot /usr/src/wag54g/buildroot/output/staging -mtune=mips32 -mabi=32 -msoft-float -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64... gcc3 checking for a BSD-compatible install... /usr/bin/install -c checking for rm... /bin/rm checking for sed... /usr/src/wag54g/buildroot/output/toolchain/bin/sed checking for ln... /bin/ln checking for bison... bison -y checking for flex... flex checking for yywrap in -lfl... yes checking lex output file root... configure: error: cannot find output from flex; giving up make: *** [/usr/src/wag54g/buildroot/output/build/radvd-1.5/.stamp_configured] Error 1 ---- If I hunt for the relevent bit in config.log I find: ---- configure:3149: found /bin/ln configure:3161: result: /bin/ln configure:3172: checking for bison configure:3188: found /usr/bin/bison configure:3198: result: bison -y configure:3214: checking for flex configure:3230: found /usr/src/wag54g/buildroot/output/staging/usr/bin/flex configure:3240: result: flex configure:3253: checking for yywrap in -lfl configure:3283: /usr/src/wag54g/buildroot/output/staging/usr/bin/mipsel-linux-uclibc-gcc -Os -pipe -Os -I/usr/src/wag54g/buildroot/output/staging/usr/include -I/usr/src/wag54g/buildroot/output/staging/include --sysroot=/usr/src/wag54g/buildroot/output/staging/ -isysroot /usr/src/wag54g/buildroot/output/staging -mtune=mips32 -mabi=32 -msoft-float -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o conftest -Os -pipe -Os -I/usr/src/wag54g/buildroot/output/staging/usr/include -I/usr/src/wag54g/buildroot/output/staging/include --sysroot=/usr/src/wag54g/buildroot/output/staging/ -isysroot /usr/src/wag54g/buildroot/output/staging -mtune=mips32 -mabi=32 -msoft-float -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -L/usr/src/wag54g/buildroot/output/staging/lib -L/usr/src/wag54g/buildroot/output/staging/usr/lib --sysroot=/usr/src/wag54g/buildroot/output/staging/ conftest.c -lfl >&5 configure:3289: $? = 0 configure:3293: test -z || test ! -s conftest.err configure:3296: $? = 0 configure:3299: test -s conftest configure:3302: $? = 0 configure:3315: result: yes configure:3393: checking lex output file root configure:3404: flex conftest.l /lib/ld-uClibc.so.0: No such file or directory configure:3407: $? = 255 configure:3414: error: cannot find output from flex; giving up ---- I have not the slightest idea where to begin with trying to fix this, but happy to test anything anyone sends to me.
re: version 1.6, I meant to say you only pull version 1.5
Fixed in git (0a179adef3e62)
I have the same problem while trying to compile linux-atm with buildroot-2010.05 (busybox 1.16.x) for powerpc : checking dependency style of /home/olivier/buildroot-2010.05/output/staging/usr/bin/powerpc-unknown-linux-uclibc-gcc -Os -pipe -Os -mtune=e500mc -I/home/olivier/buildroot-2010.05/output/staging/usr/include -I/home/olivier/buildroot-2010.05/output/staging/include --sysroot=/home/olivier/buildroot-2010.05/output/staging/ -isysroot /home/olivier/buildroot-2010.05/output/staging... none checking for flex... flex checking lex output file root... configure: error: cannot find output from flex; giving up make: *** [/home/olivier/buildroot-2010.05/output/build/linux-atm-2.5.1/.stamp_configured] Error 1 $ less output/build/linux-atm-2.5.1/config.log configure:3727: checking dependency style of /home/olivier/buildroot-2010.05/output/staging/usr/bin/powerpc-unknown-linux-uclibc-gcc -Os -pipe -Os -mtune=e500mc -I/home/olivier/buildroot-2010.05/output/staging/usr/include -I/home/olivier/buildroot-2010.05/output/staging/include --sysroot=/home/olivier/buildroot-2010.05/output/staging/ -isysroot /home/olivier/buildroot-2010.05/output/staging configure:3837: result: none configure:3857: checking for flex configure:3873: found /home/olivier/buildroot-2010.05/output/staging/usr/bin/flex configure:3884: result: flex configure:3921: flex conftest.l /lib/ld-uClibc.so.0: No such file or directory configure:3925: $? = 255 configure:3927: checking lex output file root configure:3938: error: cannot find output from flex; giving up