移植linux交叉环境（Transplantation; Linux; cross environment）.docVIP

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移植linux交叉环境（Transplantation; Linux; cross environment）.doc

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移植linux交叉环境（Transplantation; Linux; cross environment）

移植linux交叉环境（Transplantation; Linux; cross environment） Http:///pub/gnu/ Build ARM-Linux cross compiling environment 2006-10-02 23:33, the whole process is as follows 1. download the source file, patch, and build the compiled directory 2. build kernel header files 3. build binary tools (binutils) 4. establish the initial compiler (bootstrap GCC) 5. establish the C library (glibc) 6., the establishment of a full set of compiler (full GCC) 1. download the source file, patch, and build the compiled directory 1.1. select the software version number When you select the software version number, first look at the INSTALL file in the glibc source code. It lists the binutils and GCC version numbers needed for this version of glibc compilation. For example, in the glibc-2.2.3/INSTALL file, recommend GCC with more than 2.95, binutils more than 2.10.1 version. The version of the software I selected is: Linux-2.4.18+rmk7 (linux-2.6.0+rmk1) Binutils-2.11 Gcc-2.95.3 Glibc-2.2.3 Glibc-linuxthreads-2.2.3 Gdb-6.0 If your version number of glibc is less than 2.2, you also have to download a file called glibc-crypt, such as glibc-crypt-2.1.tar.gz. The Linux kernel can be downloaded from or its mirror image. Binutils, GCC, and glibc can be downloaded from FSFs FTP site, /pub/gnu/, or its mirror image. When compiling glibc, you need to use the kernel header file of the include directory in the Linux kernel. If you find that a variable is not defined and the compilation fails, you change your kernel version number. For example, I started using linux-2.4.25+vrs2, compiled the glibc -2.2.3 times BUS_ISA, didnt define it, and later found that its name was changed to CTL_BUS_ISA at the beginning of 2.4.23. If you dont have the full assurance that youve changed the kernel completely, dont move the kernel, but rather reduce or increase the version number of your Linux kernel to fit the glibc. Gcc version number, recommended more than gcc-2.95. Too old versions can be a problem. Gcc-2.95.3 is a