(→Flex: the fast lexical analyser) |
(Added link to M4 macro processor and changed prefix to /usr/arm-linux-gnueabi) |
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== Flex: the fast lexical analyser == | == Flex: the fast lexical analyser == | ||
− | Flex is a dependency for Wide-DHCPv6. | + | Flex is a dependency for Wide-DHCPv6. It requires the [https://www.gnu.org/software/m4/m4.html GNU M4] macro processor installed on your build system: |
+ | |||
+ | <PRE> | ||
+ | sudo apt-get install m4 | ||
+ | </PRE> | ||
Download flex and cross compile for ARM assuming your ARM cross compiler is located at /opt/arm-2011.09/ | Download flex and cross compile for ARM assuming your ARM cross compiler is located at /opt/arm-2011.09/ | ||
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tar -xjf flex-2.5.39.tar.bz2 | tar -xjf flex-2.5.39.tar.bz2 | ||
cd flex-2.5.39/ | cd flex-2.5.39/ | ||
− | ./configure --host=arm-linux-gnueabi --prefix=/ | + | ./configure --host=arm-linux-gnueabi --prefix=/usr/arm-linux-gnueabi ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes |
make | make | ||
make install | make install |
Flex is a dependency for Wide-DHCPv6. It requires the GNU M4 macro processor installed on your build system:
sudo apt-get install m4
Download flex and cross compile for ARM assuming your ARM cross compiler is located at /opt/arm-2011.09/
wget http://sourceforge.net/projects/flex/files/flex-2.5.39.tar.bz2 tar -xjf flex-2.5.39.tar.bz2 cd flex-2.5.39/ ./configure --host=arm-linux-gnueabi --prefix=/usr/arm-linux-gnueabi ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes make make install
Wide-DHCPv6 has not been updated for some time and uses structures no longer avaliable in glibc without the use of the #define _GNU_SOURCE
Instead, we patch it with a patch developed by Jeremie Corbier
wget http://downloads.sourceforge.net/project/wide-dhcpv6/wide-dhcpv6/wide-dhcpv6-20080615/wide-dhcpv6-20080615.tar.gz wget http://wiki.beyondlogic.org/patches/wide-dhcpv6/0004-GNU-libc6-fixes.patch tar -xzf wide-dhcpv6-20080615.tar.gz cd wide-dhcpv6-20080615/ patch -p1 < ../0004-GNU-libc6-fixes.patch ./configure --prefix=/home/temp/wide-dhcp --host=arm-linux-gnueabi --with-localdbdir=/tmp ac_cv_func_setpgrp_void=yes make