手斧Linux – 从LFS到Funtoo （84）

开始编译。

make 2>&1|tee out.make
#make -k check 2>&1|tee out.check
make install DESTDIR=$(pwd)/img 2>&1|tee out.install

查看生成的程序。

file img/usr/bin/gcc
img/usr/bin/gcc: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.30, BuildID[sha1]=0x71c0d869b41cc329f261fa89c26acfa2b91d469e, not stripped

ldd img/usr/bin/gcc
linux-vdso.so.1 => (0x00007fff45fff000)

libc.so.6 => /lib/libc.so.6 (0x00007f08f427d000)

/lib64/ld-linux-x86-64.so.2 (0x00007f08f462a000)

将结果安装到根目录下。

ln -sv gcc img/usr/bin/cc
cp -afv img/* /
cd ..

第23节 测试gcc multilib

命令如下：

echo 'main(){}' > dummy.c
gcc dummy.c -v -Wl,--verbose &> dummy.log
在dummy.log里看到：

#include "..." search starts here:

#include <...> search starts here:

/usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/include

/usr/local/include

/usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/include-fixed

/usr/include

OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",

"elf64-x86-64")

OUTPUT_ARCH(i386:x86-64)

attempt to open /usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/../../../../lib64/crt1.o succeeded

attempt to open /usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/../../../../lib64/crti.o succeeded

attempt to open /usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/crtbegin.o succeeded

attempt to open /tmp/cc1UiMMK.o succeeded

attempt to open /usr/lib64/gcc/x86_64-wolf-linux-gnu/4.6.1/libgcc.a succeeded