[Buildroot] compiling a static toolchain
Guylhem
buildroot at guylhem.net
Sun Apr 29 21:34:26 UTC 2012
Hello
I'm trying to compile a static toolchain (gcc etc. will be statically
linked) for mips.
My .config is attached.
Yet the toolchain is still dynamic :
root at crosscompile:/home/buildroot-2012.02# file usr/bin/gcc
usr/bin/gcc: ELF 32-bit MSB executable, MIPS, MIPS32 rel2 version 1
(SYSV), dynamically linked (uses shared libs), with unknown capability
0x41000000 = 0xf676e75, with unknown capability 0x10000 = 0x70403,
stripped
It runs fine on the host, but if there is no buildroot option for this
yet (??) is there anything one can do to make the final gcc static?
On the host, gcc -v reports :
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/mips-unknown-linux-uclibc/4.6.2/lto-wrapper
Target: mips-unknown-linux-uclibc
Configured with:
/home/buildroot-2012.02/output/toolchain/gcc-4.6.2/configure
--prefix=/usr --build=i686-pc-linux-gnu
--host=mips-unknown-linux-uclibc --target=mips-unknown-linux-uclibc
--enable-languages=c,c++ --with-gxx-include-dir=/usr/include/c++
--disable-__cxa_atexit --enable-target-optspace --disable-libgomp
--with-gnu-ld --disable-libssp --disable-multilib --disable-tls
--disable-shared --disable-nls --enable-threads
--disable-decimal-float --with-float=soft --with-abi=32
--with-tune=mips32r2 --with-pkgversion='Buildroot 2012.02'
--with-bugurl=http://bugs.buildroot.net/ : (reconfigured)
/home/buildroot-2012.02/output/toolchain/gcc-4.6.2/configure
--prefix=/usr --build=i686-pc-linux-gnu
--host=mips-unknown-linux-uclibc --target=mips-unknown-linux-uclibc
--enable-languages=c,c++ --with-gxx-include-dir=/usr/include/c++
--disable-__cxa_atexit --enable-target-optspace --disable-libgomp
--with-gnu-ld --disable-libssp --disable-multilib --disable-tls
--disable-shared --disable-nls --enable-threads
--disable-decimal-float --with-float=soft --with-abi=32
--with-tune=mips32r2 --with-pkgversion='Buildroot 2012.02'
--with-bugurl=http://bugs.buildroot.net/
Thread model: posix
gcc version 4.6.2 (Buildroot 2012.02)
To relaunch the final gcc part only (to avoid recompiling everything
else on my small virtual host), I tried to use a different --prefix
(to quickly make a tarball) with:
cp -adr target/usr /gcc
cd output/toolchain/gcc-4.6.2
LDFLAGS="-L/home/buildroot-2012.02/output/host/lib"
CPPFLAGS="-I/home/buildroot-2012.02/output/host/include"
PATH=/home/buildroot-2012.02/output/host/usr/bin:$PATH CFLAGS='-pipe
-O3 -march=24kec -mips32r2 -mdsp -static -static-libgcc -Wl,-static'
CC=/home/buildroot-2012.02/output/host/usr/bin/mips-unknown-linux-uclibc-gcc
CXX=/home/buildroot-2012.02/output/host/usr/bin/mips-unknown-linux-uclibc-g++
./configure --prefix=/gcc --build=i686-pc-linux-gnu
--host=mips-unknown-linux-uclibc --target=mips-unknown-linux-uclibc
--enable-languages=c,c++ --with-gxx-include-dir=/usr/include/c++
--disable-__cxa_atexit --enable-target-optspace --disable-libgomp
--with-gnu-ld --disable-libssp --disable-multilib --disable-tls
--disable-shared --disable-nls --enable-threads
--disable-decimal-float --with-float=soft --with-abi=32
--with-tune=mips32r2
But make failed with:
make[2]: Leaving directory
`/home/buildroot-2012.02/output/toolchain/gcc-4.6.2/host-mips-unknown-linux-uclibc/libdecnumber'
make[2]: Entering directory
`/home/buildroot-2012.02/output/toolchain/gcc-4.6.2/host-mips-unknown-linux-uclibc/gcc'
(...)
TARGET_CPU_DEFAULT="" \
HEADERS="auto-build.h ansidecl.h" DEFINES="" \
/bin/sh ../.././gcc/mkconfig.sh bconfig.h
gcc -c -DIN_GCC -DGENERATOR_FILE -I. -Ibuild -I../.././gcc
-I../.././gcc/build -I../.././gcc/../include
-I../.././gcc/../libcpp/include -I/gcc//include -I/gcc//include
-I/mpc//include -I../.././gcc/../libdecnumber
-I../.././gcc/../libdecnumber/dpd -I../libdecnumber \
-o build/genconstants.o ../.././gcc/genconstants.c
In file included from /gcc//include/stdio.h:36,
from ../.././gcc/system.h:42,
from ../.././gcc/genconstants.c:29:
/gcc//include/bits/types.h:132:3: error: #error your machine is
neither 32 bit or 64 bit ... it must be magical
Should I define __WORDSIZE to 64? (like the host)
BTW - I could do the dynamic compile only after adding in
toolchain/uClibc/uClibc-0.9.32.config :
UCLIBC_HAS_FENV=y
You may want to add that fix
Thanks
Guylhem
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# BR2_PACKAGE_LIBOAUTH is not set
# BR2_PACKAGE_LIBMICROHTTPD is not set
# BR2_PACKAGE_NEON is not set
# BR2_PACKAGE_LIBMNL is not set
# BR2_PACKAGE_LIBMODBUS is not set
# BR2_PACKAGE_LIBMBUS is not set
# BR2_PACKAGE_LIBNL is not set
# BR2_PACKAGE_LIBPCAP is not set
# BR2_PACKAGE_LIBOSIP2 is not set
# BR2_PACKAGE_LIBRSYNC is not set
# BR2_PACKAGE_LIBSOUP is not set
# BR2_PACKAGE_LIBUPNP is not set
# BR2_PACKAGE_LIBVNCSERVER is not set
#
# Other
#
# BR2_PACKAGE_FFTW is not set
# BR2_PACKAGE_LIBARGTABLE2 is not set
# BR2_PACKAGE_ARGP_STANDALONE is not set
# BR2_PACKAGE_BOOST is not set
# BR2_PACKAGE_LIBATOMIC_OPS is not set
# BR2_PACKAGE_LIBCAP is not set
# BR2_PACKAGE_LIBDAEMON is not set
# BR2_PACKAGE_LIBELF is not set
# BR2_PACKAGE_LIBEVENT is not set
# BR2_PACKAGE_LIBEV is not set
# BR2_PACKAGE_LIBFFI is not set
# BR2_PACKAGE_LIBGLIB2 is not set
# BR2_PACKAGE_LIBICAL is not set
# BR2_PACKAGE_LIBNSPR is not set
# BR2_PACKAGE_LIBSIGC is not set
# BR2_PACKAGE_LIBURCU is not set
# BR2_PACKAGE_LTTNG_LIBUST is not set
# BR2_PACKAGE_ORC is not set
# BR2_PACKAGE_POCO is not set
#
# Text and terminal handling
#
# BR2_PACKAGE_ENCHANT is not set
# BR2_PACKAGE_ICU is not set
# BR2_PACKAGE_LIBICONV is not set
# BR2_PACKAGE_NCURSES is not set
# BR2_PACKAGE_NEWT is not set
# BR2_PACKAGE_PCRE is not set
# BR2_PACKAGE_POPT is not set
# BR2_PACKAGE_READLINE is not set
# BR2_PACKAGE_SLANG is not set
#
# JSON/XML
#
# BR2_PACKAGE_EXPAT is not set
# BR2_PACKAGE_EZXML is not set
# BR2_PACKAGE_JSON_C is not set
# BR2_PACKAGE_LIBROXML is not set
# BR2_PACKAGE_LIBXML2 is not set
# BR2_PACKAGE_LIBXSLT is not set
# BR2_PACKAGE_LIBYAML is not set
# BR2_PACKAGE_MXML is not set
# BR2_PACKAGE_XERCES is not set
# BR2_PACKAGE_YAJL is not set
#
# Miscellaneous
#
# BR2_PACKAGE_SHARED_MIME_INFO is not set
#
# Networking applications
#
# BR2_PACKAGE_ARGUS is not set
# BR2_PACKAGE_AVAHI is not set
# BR2_PACKAGE_AXEL is not set
# BR2_PACKAGE_BLUEZ_UTILS is not set
# BR2_PACKAGE_BIND is not set
# BR2_PACKAGE_BMON is not set
# BR2_PACKAGE_BRIDGE_UTILS is not set
# BR2_PACKAGE_BWM_NG is not set
# BR2_PACKAGE_CAN_UTILS is not set
#
# connman needs a toolchain with resolver support
#
# BR2_PACKAGE_CTORRENT is not set
# BR2_PACKAGE_CIFS_UTILS is not set
# BR2_PACKAGE_CUPS is not set
# BR2_PACKAGE_DHCPDUMP is not set
# BR2_PACKAGE_DNSMASQ is not set
# BR2_PACKAGE_DROPBEAR is not set
# BR2_PACKAGE_EBTABLES is not set
# BR2_PACKAGE_ETHTOOL is not set
# BR2_PACKAGE_HOSTAPD is not set
# BR2_PACKAGE_IPERF is not set
# BR2_PACKAGE_IPROUTE2 is not set
# BR2_PACKAGE_IPSEC_TOOLS is not set
# BR2_PACKAGE_IPSET is not set
# BR2_PACKAGE_IPTABLES is not set
# BR2_PACKAGE_IW is not set
# BR2_PACKAGE_KISMET is not set
# BR2_PACKAGE_LINKS is not set
# BR2_PACKAGE_LRZSZ is not set
# BR2_PACKAGE_MII_DIAG is not set
# BR2_PACKAGE_MROUTED is not set
# BR2_PACKAGE_MUTT is not set
# BR2_PACKAGE_NBD is not set
# BR2_PACKAGE_NCFTP is not set
# BR2_PACKAGE_NETPLUG is not set
# BR2_PACKAGE_NETSNMP is not set
# BR2_PACKAGE_NETSTAT_NAT is not set
# BR2_PACKAGE_NOIP is not set
# BR2_PACKAGE_NFS_UTILS is not set
# BR2_PACKAGE_NGIRCD is not set
# BR2_PACKAGE_NGREP is not set
# BR2_PACKAGE_NTP is not set
# BR2_PACKAGE_NUTTCP is not set
# BR2_PACKAGE_OLSR is not set
# BR2_PACKAGE_OPENNTPD is not set
# BR2_PACKAGE_OPENSSH is not set
# BR2_PACKAGE_OPENVPN is not set
# BR2_PACKAGE_PORTMAP is not set
# BR2_PACKAGE_PPPD is not set
# BR2_PACKAGE_PPTP_LINUX is not set
# BR2_PACKAGE_PROFTPD is not set
# BR2_PACKAGE_QUAGGA is not set
# BR2_PACKAGE_RADVD is not set
# BR2_PACKAGE_RSH_REDONE is not set
# BR2_PACKAGE_RSYNC is not set
# BR2_PACKAGE_SAMBA is not set
# BR2_PACKAGE_SER2NET is not set
# BR2_PACKAGE_SOCAT is not set
# BR2_PACKAGE_SPAWN_FCGI is not set
# BR2_PACKAGE_SQUID is not set
# BR2_PACKAGE_STUNNEL is not set
# BR2_PACKAGE_TCPDUMP is not set
# BR2_PACKAGE_TCPREPLAY is not set
# BR2_PACKAGE_TN5250 is not set
# BR2_PACKAGE_TRANSMISSION is not set
# BR2_PACKAGE_TTCP is not set
# BR2_PACKAGE_UDPCAST is not set
# BR2_PACKAGE_VPNC is not set
# BR2_PACKAGE_VSFTPD is not set
# BR2_PACKAGE_VTUN is not set
# BR2_PACKAGE_WIRELESS_TOOLS is not set
# BR2_PACKAGE_WPA_SUPPLICANT is not set
# BR2_PACKAGE_XL2TP is not set
#
# Package managers
#
# BR2_PACKAGE_IPKG is not set
#
# Real-Time
#
#
# Shell and utilities
#
# BR2_PACKAGE_AT is not set
# BR2_PACKAGE_DIALOG is not set
# BR2_PACKAGE_FILE is not set
# BR2_PACKAGE_INOTIFY_TOOLS is not set
# BR2_PACKAGE_LOCKFILE_PROGS is not set
# BR2_PACKAGE_LOGROTATE is not set
# BR2_PACKAGE_SCREEN is not set
# BR2_PACKAGE_SUDO is not set
# BR2_PACKAGE_XMLSTARLET is not set
#
# System tools
#
# BR2_PACKAGE_ACL is not set
# BR2_PACKAGE_ATTR is not set
# BR2_PACKAGE_HTOP is not set
# BR2_PACKAGE_KMOD is not set
# BR2_PACKAGE_UTIL_LINUX is not set
#
# Text editors and viewers
#
# BR2_PACKAGE_ED is not set
# BR2_PACKAGE_NANO is not set
# BR2_PACKAGE_UEMACS is not set
#
# Host utilities
#
# BR2_PACKAGE_HOST_OPENOCD is not set
# BR2_PACKAGE_HOST_SAM_BA is not set
# BR2_PACKAGE_HOST_UBOOT_TOOLS is not set
#
# Filesystem images
#
# BR2_TARGET_ROOTFS_CRAMFS is not set
# BR2_TARGET_ROOTFS_CLOOP is not set
# BR2_TARGET_ROOTFS_EXT2 is not set
# BR2_TARGET_ROOTFS_JFFS2 is not set
# BR2_TARGET_ROOTFS_UBIFS is not set
# BR2_TARGET_ROOTFS_SQUASHFS is not set
BR2_TARGET_ROOTFS_TAR=y
BR2_TARGET_ROOTFS_TAR_NONE=y
# BR2_TARGET_ROOTFS_TAR_GZIP is not set
# BR2_TARGET_ROOTFS_TAR_BZIP2 is not set
# BR2_TARGET_ROOTFS_TAR_LZMA is not set
BR2_TARGET_ROOTFS_TAR_OPTIONS=""
# BR2_TARGET_ROOTFS_CPIO is not set
#
# initramfs requires a Linux kernel to be built
#
# BR2_TARGET_ROOTFS_ROMFS is not set
#
# Bootloaders
#
# BR2_TARGET_BAREBOX is not set
# BR2_TARGET_UBOOT is not set
#
# Kernel
#
# BR2_LINUX_KERNEL is not set
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