gnu c c compiler

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CMake and make practice record

} ) target_link_libraries (main Test)The contents of the subdirectory CMakeLists.txt are as follows:Aux_source_directory (. DIR_TEST1_SRCS) add_library (Test ${dir_test1_srcs})The compilation is displayed as follows:CMake.--The C compiler identification is GNU 4.9.2--The CXX compiler identification are GNU 4.9.2--Check for working C Compiler:/usr/bin/cc--Check for working C compiler:/USR/BIN/CC--works--det

Use LDD to view the dependent libraries of the C ++ Program

For a while, I don't want to worry about C ++. Today, I want to check which libraries a program compiled by gcc4.7.3 in Ubuntu depends on. After searching for a long time, I found that I forgot the LDD command. It is easy to use. The-V parameter is used to display the details. The knowledge will be forgotten, and the head will rust if not used. $ ldd -v ./service linux-vdso.so.1 => (0x00007fff983fe000)libboost_system.so.1.53.0 => /usr/lib/libboost_system.so.1.53.0 (0x00007fd4d19f2000)libboost_

GCC--verbose Options, differences between-lpthread and-pthread

The meaning of verbose is lengthy and complicated. As the name implies, the GCC--verbose means to print out the details of the connection when it is compiled.Refer to the article in the StackOverflow with their own machine information to give the analysis (in fact, translated a bit). Hey. Original site: http://stackoverflow.com/questions/13440549/gcc-verbose-mode-output-explanation)First give the overall information:[Email protected]:~/apue3/chapter11$ gcc printids.c. /error/error.o-pthread-vusi

GCC compilation process

We usually use GCC to compile C Programs.GCC hello. C-O hello and so on. At most for GDB debugging, use the-G parameter! In fact, we can use manual compilation to understand the entire GCC compilation process! Let's use the simplest Hello World Program as an example: #include "stdio.h"int main(){ printf("Hello World\n"); return 0;}1. Pre-processing) At this stage, the compiler compiles the header files in C source code, such as stdio. H. You can use the GCC option "-e" to view them. Usag

The relationship between GNU, Linux, and Gnu/linux

From: http://os.51cto.com/art/200608/30399.htm1. What is Linux?2. What is GNU?3. What is Gnu/linux?what is LinuxIt is believed that people who know some it knowledge have heard the term Linux. The Linux entry on Wikipedia is the most classic and the most accurate description (Http://zh.wikipedia.org/wiki/Linux), which is applied directly, eliminating the suspicion of swim.Linux operating System (Linux), is

What exactly happened behind gcc-static hello. c?

What exactly happened behind gcc-static hello. c? You may often use gcc-static ***. c. What commands and libraries are used for this static link? First, let's analyze what libc. a is. We already know that xxx. so is a dynamic link library, xxx. o is a static link library or relocated file, And/bin/bash is an executable file. Libc. a is actually a collection of many relocated files, and generally only one function is written in each relocated file. For example, printf. o only has one printf funct

In-depth analysis of assembler programs and system calls in Linux

function will not be called, and-lgcc will not be added during the link. Add-V during compilation to print the compilation process:Gcc-o basic-nostdlib basic. S-VUsing built-in specs.Target: i486-linux-gnuConfigured :.. /src/configure-V -- With-pkgversion = 'debian 4.3.2-100' -- With-bugurl = file: // usr/share/doc/gcc-4.3/readme. bugs -- enable-languages ages = C, C ++, Fortran, objc, OBJ-C ++ -- prefix =/usr -- enable-shared -- With-system-zlib -- libexecdir =/usr/lib -- without-included-gett

What exactly happened behind gcc-static hello. C?

You may often use gcc-static ***. C. What commands and libraries are used for this static link? First, let's analyze what libc. A is. We already know that XXX. So is a dynamic link library, XXX. O is a static link library or relocated file, And/bin/bash is an executable file. Libc. A is actually a collection of many relocated files, and generally only one function is written in each relocated file. For example, printf. O only has one printf function to link less useless libraries during static c

Linux tips Grub Super Useful tips

1. IntroductionWhat is GRUB? GRUB Full name Grand Unified boot Loader, which is a boot loader-it is responsible for loading the kernel and booting the Linux system. GRUB can also boot other operating systems, such as FreeBSD, NetBSD, OpenBSD, GNU HURD, DOS, and Windows. Although booting the operating system looks like an ordinary and trivial task, it is actually important. If the boot loader does not perform well or is not resilient,Then it is possibl

Linux and GNU Engineering

Every day many computer users use a modified GNU system (18 K bytes), but they are not aware of it. After a series of events, the widely used GNU version is often referred to as "Linux", but many users do not understand the associated GNU project. Linux does exist. It is a kernel and is used by many people. However, you cannot only use the kernel itself. The kern

QT: You need to set up a compiler to build. Set up a compiler in the build Suite option.

, the Windows platform under the MinGW compiler QT already contains a packaged compiler. Mingw:https://baike.baidu.com/item/mingw/1777782?fr=aladdin,minimalist GNU on WindowsMinGW is the abbreviation for minimalist gnufor windows. It is a freely available and freely published collection of Windows-specific headers and import libraries using the GNU toolset, allowing you to generate local Windows programs on

Configuration and calling of Cassandra, A nosql database of facebookde (Java & C #)

packaging for other languages can be found in http://wiki.apache.org/cassandra/ClientExamples. Of course, there is no C. 3. Access Cassandra using C # and Java Cassandra uses another useful thing: thrift. This can be downloaded at http://www.thri?rpc.org. Specifically in the http://www.thrift-rpc.org /? P = thrift. Git; A = mongolog; H = refs/MISC/instant. Generally, just click the first snapshot. This is the latest one. The version was updated several hours ago. After downloading

Python development _platform_ Get operating system Details tool

() Platform.python_c Ompiler () Platform.python_branch () to Platform.python_implementation () + Platform.python_revis Ion () Platform.python_version () platform.python_version_tuple () "#global var #是否显示日志 Information Show_log = True get_platform def (): 42 "Get the operating system name and version number" "Return Platform.platform () the Def GE T_version (): 46 "Get OS version number" "Platform.version" () get_architecture (): 50 "Get the number

GCC compilation steps

ages = C, C ++, Fortran, objc, OBJ-C ++ -- prefix =/usr -- enable-shared -- enable-multiarch -- enable-linker-Build-id -- With-system-zlib -- libexecdir =/usr/lib -- without-included-gettext -- enable-threads = POSIX -- With-gxx-include-Dir =/usr/include/C ++/4.4 -- Program-suffix =-4.4 -- enable- NLS -- enable-clocale = GNU -- enable-libstdcxx-Debug -- enable-plugin -- enable-objc-GC -- enable-targets = all -- disable-werror -- With-arch-32 = iworkf

GCC User Guide and GCC best compilation Parameters

-Reg -Finhibit-size-Directive-fnonnull-objects -Fno-common-fno-Ident-fno-GNU-linker -Fpcc-struct-return-FPIC -Freg-struct-returno-fshared-data-fshort-enums -Fshort-double-fvolatile-Global -Fverbose-ASM Pragmas Two '# pragma' ctictives are supported for gnu c ++, Permit using the same header file for two purposes: As Definition of interfaces to a given object class, And The full definition of the contents of

GCC User Guide and gcc best compilation Parameters

-compat-masm-compat -Mintel-asm-mstrict-align-mno-strict-align -Mold-align-mno-old-align DEC Alpha Options -Mfp-regs-mno-fp-regs-mno-soft-float-msoft-float System V Options -G-Qy-Qn-YP, paths-Ym, dir Code Generation Options -Fcall-saved-reg-fcall-used-reg-ffixed-reg -Finhibit-size-directive-fnonnull-objects -Fno-common-fno-ident-fno-gnu-linker -Fpcc-struct-return-fpic-fPIC -Freg-struct-returno-fshared-data-fshort-enums -Fshort-double-fvolatile-glob

GNU Project Introduction From: LinuxAid)

1. Project GNU Introduction The origin of Project GNU, from Richard Stallman a decade ago, is currently the Project GNU program host, an article in the web discussion area (http://www.cs.pdx.edu /~ Trent/gnu/begin, 10 years ago on Internet ). Richard Stallman explained in this article why he initiated the plan. This ar

Compile and run Process Analysis (reprint)

Hello world!We can use the-v parameter to see what GCC is doing behind the scenes:Reading Specs From/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/specsConfigured with:/var/tmp/portage/sys-devel/gcc-3.4.6-r2/work/gcc-3.4.6/configure--prefix=/usr--bindir=/usr/ i686-pc-linux-gnu/gcc-bin/3.4.6--includedir=/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/include--datadir=/usr/share/ gcc-

Process Analysis of the C/C ++ program from compilation to the final generation of executable files

also denies them the right to "know why, as a result, many things can only be memorized. If you encounter any related problems, you will be "stunned ". In fact, I learned how C/C ++ source code is converted into executable files step by step during programming in Linux.In general, the C/C ++ source code can be converted into executable files on the corresponding platform only after four steps: preprocessing, compilation, assembly, and connection. Most of the time, the programmer can complete th

C/C ++ program compilation steps

programming in Linux.In general, the C/C ++ source code can be converted into executable files on the corresponding platform only after four steps: preprocessing, compilation, assembly, and connection. Most of the time, the programmer can complete the above four steps through a single command. For example, the following section C's "Hello world !" Code:File: HW. c# Include stdio. h>Int main (INT argc, char * argv []){Printf ("Hello world! /N ");Return 0;}If GCC is used for compilation, only one

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