手斧Linux – 从LFS到Funtoo (84)
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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
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