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This period of time sharpening pain determined to learn the development of embedded systems, and then installed a Linux virtual machine, download u-boot ready to patch recompile encountered a tricky problem.That is ARM-LINUX-GCC: command not found.This problem troubled me a day, ask a lot of great God finally to solve it, the following I write a solution to share

How to install ARM-LINUX-GCCTo Install the cross-compilation toolchain:1, first log in as root user2, copy arm-linux-gcc-4.3.2.tgz to the root directory in the TMP folder3. Unzip the command tar xvzf arm-linux-gcc-4.3.2-c/Note that the above command must have a-C and upperca

Jeremy Linabout GCCThe GNU complier Collection is the GNU's powerful, performance-rich multiplatform compiler suite that includes the front end of C, C + +, objective-c, Fortran, Java, Ada, and go languages. A library of these languages is included, and the latest version is GCC 5.1. GCC compiles executable programs on a variety of hardware platforms and performs 20% to 30% more efficiently than average co

Install the cross-compiler arm-none-linux-gnueabi-gcc in Ubuntu 12.10 1. Download arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2 Cp arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2/usr/local/ 2. dec

Installing arm-Linux-GCC is still relatively simple. Let's take a look at the installation steps under Ubuntu. 1. decompress the arm-linux-gcccompressed arm-linux-gcc-4.3.2.tar.gz package; Get a folder named arm-linux-

In linux, GCC files are compiled together-general Linux technology-Linux programming and kernel information. The following is a detailed description. Do you know how to compile a few files with gcc? If you don't know, you can take a look. If you know, please give me some adv

1. development Platform: Operating System: Ubuntu14.04 (RedHat and other systems are said to be inconvenient to use. This is the recommended Linux operating system) Virtual Machine: VMware10.0 (the latest version) software interface: QTE (qt-embeded) Cross-compilation tool: arm-linux-gcc-4.3.2PS: These software can be easily done online 1. Development Platform: O

-staticerror: Undefined reference to ' sqrt ' when using-LM, which is the math library, under the-static option:Cause analysis: Because there are-static in the compilation options,-LM refers to LIBM.AThis involves the implementation of the symbolic hole.Sam guesses: Because the compiler reads the file from left to right, when read-LM, because it is static, but at this time do not know which symbol to draw out. So we have to continue to deal with it, and then find it in MAIN.O.*und* 00000000 sqrt

Original source: http://blog.csdn.net/a600423444/article/details/7206015Under Windows, the dynamic-link library is a file with a. dll suffix, and two in Linux, a file with a suffix of. So.The advantage of a dynamic link library is that it saves memory space.1. Create a dynamic link library under LinuxWhen using GCC to compile the program, just add the-shared option, so that the generated execution program i

I. Establishment of cross-compiling environment arm-linux-gcc-2.95.31.download cross-2.95.3.tar.bz22. Create directory, copy, and decompress# Cd/usr/local# Mkdir arm# Cd armCopy cross-2.95.3.tar.bz2 to the current directory# Tar jxvf cross-2.95.3.tar.bz23. Export/usr/local/ARM/2.95.3/bin to the environment variable.Add Path = $ path:/usr/local/ARM/2.95.3/bin at the end of/etc/profile.2. Establishment of cro

：Http://www.friendlyarm.net/dl.php?file=arm-linux-gcc-4.3.2.tgzTo Install the cross-compilation toolchain:1, first log in as root user2, copy arm-linux-gcc-4.3.2.tgz to the root directory in the TMP folder3. Unzip the command tar xvzf arm-linux-

From: http://blog.csdn.net/rlj021/archive/2008/12/16/3530939.aspx I. header files Find the required header file during GCC Compilation: ※The search starts with-I. ※Find the GCC environment variable c_include_path, cplus_include_path, objc_include_path. ※Find the specified directory. /Usr/include /Usr/local/include /Usr/lib/GCC-lib/i386

I. header filesFind the required header file during GCC Compilation:※The search starts with-I.※Find the GCC environment variable c_include_path, cplus_include_path, objc_include_path.※Find the specified directory./Usr/include /Usr/local/include/Usr/lib/GCC-lib/i386-linux/2.95.2/include/Usr/lib/

target file, but does not connect (so it cannot be performed)Gcc-o test TEST.O Connect the target file that was compiled in the previous step to generate the executable file testThe above approach from preprocessing, assembly, connection step down, but in the real development environment is a step from the. C source file compiled into an executable file:gcc-o test test.c2. Warning Selection,In the process of compiling the program, the compiler error

compilation option does not guarantee the full compatibility of the compiled program with the Ansi/iso C standard, it can only be used to help Linux programmers get closer to this goal. Or in other words, the-pedantic option can help programmers discover some code that does not conform to the Ansi/iso C standard, but not all, in fact only those cases in which the compiler is required to diagnose in the Ansi/iso C language standard can be discovered a

still follow the process of preprocessing, compiling, and linking. If you delve into it, the above command is roughly equivalent to executing the following three commands in turn:Gcc-c Test1.c-o TEST1.OGcc-c Test2.c-o TEST2.OGCC test1.o test2.o-o Test4 Error detectionGcc-pedantic Illcode.c-o IllcodeThe-pedantic compilation option does not guarantee the full compatibility of the compiled program with the Ansi/iso C standard, it can only be used to help Linux