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ããBinutilsãgccåglibcä½ å¯ä»¥ä»FSFçFTPç«ç¹ftp://ftp.gun.org/gnu/ æå®çéåå»ä¸è½½ã å¨ç¼è¯glibcæ¶ï¼è¦ç¨å° Linux å æ ¸ä¸ç include ç®å½çå æ ¸å¤´æ件ãå¦æä½ åç°æåé没æå®ä¹è导è´ç¼è¯å¤±è´¥ï¼ä½ å°±æ¹åä½ çå æ ¸çæ¬å·ãä¾å¦æå¼å§ç¨linux-2.4.+vrs2ï¼ç¼è¯glibc-2.2.3 æ¶æ¥ BUS_ISA 没å®ä¹ï¼åæ¥åç°å¨ 2.4. å¼å§å®çåå被æ¹ä¸º CTL_BUS_ISAãå¦æä½ æ²¡æå®å ¨çææ¡ä¿è¯ä½ æ¹çå æ ¸æ¹å®å ¨äºï¼å°±ä¸è¦å¨å æ ¸ï¼èæ¯æä½ ç Linux å æ ¸ççæ¬å·éä½æåé«ï¼æ¥éåº glibcã
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ãã$export PRJROOT=/home/liang/embedded
ãã$export TARGET=arm-linux
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ãã$export TARGET_PREFIX=$PREFIX/$TARGET
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ãã$mkdir build-binutils build-boot-gcc build-gcc build-glibc gcc-patch
ããbuild-binutils-ç¼è¯binutilsçç®å½
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ããbinutils-2..1.tar.bz2 build-gcc gcc-patch
ããbuild-binutls build-glibc glibc-2.2.3.tar.gz
ããbuild-boot-gcc gcc-2..3.tar.gz glibc-linuxthreads-2.2.3.tar.gz
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ãã解å¼å æ ¸æºä»£ç
ãã$tar -xzvf linux-2.4..tar.gz
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ãã$tar -xjvf linux-2.4..tar.bz2
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ãã$mkdir -p $TARGET_PREFIX/include
ãã$ln -s $PRJROOT/kernel/linux-2.4./include/linux $TARGET_PREFIX/include/linux
ãã$in -s $PRJROOT/kernel/linux-2.4./include/asm-arm $TARGET_PREFIX/include/asm
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ãã$mkdir -p $TARGET_PREFIX/include
ãã$cp -r $PRJROOT/kernel/linux-2.4./include/linux $TARGET_PREFIX/include
ãã$cp -r $PRJROOT/kernel/linux-2.4./include/asm-arm $TARGET_PREFIX/include
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ãã$cd build-binutils
ãã$../binutils-2..1/configure --target=$TARGET --prefix=$PREFIX
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ãã$cd $PRJROOT/build-tools
ãã$tar -xvzf gcc-2..3.tar.gz
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ãã$cd gcc-2..3
ãã$patch -p1< ../gcc-patch/gcc-2..3.-2.patch
ãã$patch -p1< ../gcc-patch/gcc-2..3.-no-fixinc.patch
ãã$patch -p1< ../gcc-patch/gcc-2..3-returntype-fix.patch
ããecho timestamp > gcc/cstamp-h.in
ããå¨æ们ç¼è¯å¹¶å®è£ gcc åï¼æ们å è¦æ¹ä¸ä¸ªæ件 $PRJROOT/gcc/config/arm/t-linuxï¼æ
ããTARGET_LIBGCC2-CFLAGS = -fomit-frame-pointer -fPIC
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ããTARGET_LIBGCC2-CFLAGS = -fomit-frame-pointer -fPIC -Dinhibit_libc -D__gthr_posix_h
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ãã../../gcc-2..3/gcc/libgcc2.c:: stdlib.h: No such file or directory
ãã../../gcc-2..3/gcc/libgcc2.c:: unistd.h: No such file or directory
ããmake[3]: *** [libgcc2.a] Error 1
ããmake[2]: *** [stmp-multilib-sub] Error 2
ããmake[1]: *** [stmp-multilib] Error 1
ããmake: *** [all-gcc] Error 2
ããå¦æ没æå®ä¹ -D__gthr_posix_hï¼ç¼è¯æ¶ä¼æ¥å¦ä¸çé误
ããIn file included from gthr-default.h:1,
ããfrom ../../gcc-2..3/gcc/gthr.h:,
ããfrom ../../gcc-2..3/gcc/libgcc2.c::
ãã../../gcc-2..3/gcc/gthr-posix.h:: pthread.h: No such file or directory
ããmake[3]: *** [libgcc2.a] Error 1
ããmake[2]: *** [stmp-multilib-sub] Error 2
ããmake[1]: *** [stmp-multilib] Error 1
ããmake: *** [all-gcc] Error 2
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ãã$cd $PRJROOT/build-tools
ãã$tar -xvzf glibc-2.2.3.tar.gz
ãã$tar -xzvf glibc-linuxthreads-2.2.3.tar.gz --directory=glibc-2.2.3
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ãã$cd build-glibc
ãã$CC=arm-linux-gcc ../glibc-2.2.3/configure --host=$TARGET --prefix="/usr"
ãã--enable-add-ons --with-headers=$TARGET_PREFIX/include
ããCC=arm-linux-gcc æ¯æ CC åé设æä½ åç¼è¯å®çboostrap gccï¼ç¨å®æ¥ç¼è¯ä½ çglibcã--enable-add-onsæ¯åè¯glibcç¨ linuxthreads å ï¼å¨ä¸é¢æ们已ç»å°å®æ¾å ¥äº glibc æºç ç®å½ä¸ï¼è¿ä¸ªé项çä»·äº -enable-add-ons=linuxthreadsã--with-headers åè¯ glibc æ们çlinux å æ ¸å¤´æ件çç®å½ä½ç½®ã
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ãã$cd $PRJROOT/build-tools/build-gcc
ãã$../gcc-2..3/configure --target=$TARGET --prefix=$PREFIX --enable-languages=c,c++
ãã--enable-languages=c,c++ åè¯ full gcc æ¯æ c å c++ è¯è¨ã
ããç¶åç¼è¯åå®è£ ä½ ç full gcc
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ããç¨å®æ¥ç¼è¯ä¸ä¸ªå¾ç®åçç¨åº helloworld.c
ãã#include <stdio.h>
ããint main(void)
ãã{
ããprintf("hello world\n");
ããreturn 0;
ãã}
ãã$arm-linux-gcc helloworld.c -o helloworld
ãã$file helloworld
ããhelloworld: ELF -bit LSB executable, ARM, version 1,
ããdynamically linked (uses shared libs), not stripped
ããä¸é¢çè¾åºè¯´æä½ ç¼è¯äºä¸ä¸ªè½å¨ arm ä½ç³»ç»æä¸è¿è¡ç helloworldï¼è¯æä½ çç¼è¯å·¥å ·åæåäºã
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