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本帖最后由 kallytin 于 2017-04-04 14:15 编辑
编译glibc碰到问题，具体如下：
编译平台：ubuntu12.04-32位（i386)
目标平台：linux-32位（arm7）
1、工具包
binutils-2.23.1.tar.bz2
gcc-4.7.2.tar.bz2
glibc-2.15-cpuid.patch
glibc-2.15-s_frexp.patch
glibc-2.15.tar.xz
gmp-5.0.5.tar.bz2
linux-3.7.4.tar.xz
mpc-1.0.1.tar.gz
mpfr-3.1.1.tar.bz2
glibc-ports-2.15.tar.xz
2、安装gawk, libtool
sudo apt-get -y install gawk
sudo apt-get -y install libtool
3、设置环境变量
unset LANG
export HOST=i686-pc-linux-gnu
export BUILD=$HOST
export TARGET=arm-unknown-linux-gnueabi
export CROSS_TOOL=/dest/cross-tool
export CROSS_GCC_TMP=/dest/cross-gcc-tmp
export SYSROOT=/dest/sysroot
PATH=$CROSS_TOOL/bin CROSS_GCC_TMP/bin:/sbin:/usr/sbinPATH
4、安装binutils
cd /dest/build
tar xvf ../source/binutils-2.23.1.tar.bz2
mkdir binutils-build
cd binutils-build
../binutils-2.23.1/configure --prefix=$CROSS_TOOL --target=$TARGET --with-sysroot=$SYSROOT
make
make install
5、编译“过渡”gcc
cd /dest/build
tar xvf ../source/gcc-4.7.2.tar.bz2
cd /dest/build/gcc-4.7.2
tar xvf ../../source/gmp-5.0.5.tar.bz2
mv gmp-5.0.5/ gmp
tar xvf ../../source/mpfr-3.1.1.tar.bz2
mv mpfr-3.1.1/ mpfr
tar xvf ../../source/mpc-1.0.1.tar.gz
mv mpc-1.0.1/ mpc
cd /dest/build
mkdir gcc-build
cd gcc-build
../gcc-4.7.2/configure --prefix=$CROSS_GCC_TMP --target=$TARGET --with-sysroot=$SYSROOT --with-newlib --enable-languages=c --with-mpfr-include=/dest/build/gcc-4.7.2/mpfr/src --with-mpfr-lib=/dest/build/gcc-build/mpfr/src/.libs --disable-shared --disable-threads --disable-decimal-float --disable-libquadmath --disable-libmudflap --disable-libgomp --disable-nls --disable-libssp
make
make install
cd /dest/cross-gcc-tmp
ln -s libgcc.a lib/gcc/arm-unknown-linux-gnueabi/4.7.2/libgcc_eh.a
6、安装内核头文件
cd /dest/build
tar xvf ../source/linux-3.7.4.tar.xz
cd linux-3.7.4
make mrproper
make ARCH=arm headers_check
make ARCH=arm INSTALL_HDR_PATH=$SYSROOT/usr/ headers_install
7、安装glibc
cd /dest/build
tar xvf ../source/glibc-2.15.tar.xz
cd /vita/build
tar xvf ../source/glibc-ports-2.15.tar.xz
mv glibc-ports-2.15 /vita/build/glibc-2.15/ports
cd glibc-2.15
patch -p1 < ../../source/glibc-2.15-cpuid.patch
patch -p1 < ../../source/glibc-2.15-s_frexp.patch
cd /dest/build
mkdir glibc-build
cd glibc-build
../glibc-2.15/configure --prefix=/usr --host=$TARGET --enable-kernel=3.7.4 --enable-add-ones --with-headers=$SYSROOT/usr/include libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes libc_cv_ctors_header=yes
make
make install_root=$SYSROOT install
这里报错：
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details
make: *** No targets specified and no makefile found. Stop.
make: *** No rule to make target `install'. Stop.
查看 config.log，发现其中有如下提示：
configure:2764: checking for suffix of object files
configure:2786: arm-unknown-linux-gnueabi-gcc -c conftest.c >&5
as: unrecognized option '-meabi=5'
问题：
我baidu了很久都没查出原因，各位大师有什么好的建议？
附上 config.log:
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发表于 2017-04-04 14:12
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