
What is the difference between g++ and gcc? - Stack Overflow
2008年10月5日 · The probably most important difference in their defaults is which libraries they link against automatically. According to GCC's online documentation link options and how g++ is invoked, g++ is roughly equivalent to gcc -xc++ -lstdc++ -shared-libgcc (the 1st is a compiler option, the 2nd two are linker options).
g++ - gcc: Difference between -L and -l option AND how to …
2015年4月6日 · I am new to makefile stuff; so, please accept my apology if my questions are trivials. Question 1: What is the difference between -L and -l option. Question 2: How do you provide complete path to s...
Compiling a C++ program with GCC - Stack Overflow
By default, gcc selects the language based on the file extension, but you can force gcc to select a different language backend with the -x option thus: gcc -x c++ More options are detailed on the gcc man page under "Options controlling the kind of output". See e.g. gcc (1) - Linux man page (search on the page for the text -x language).
How to use multiple versions of GCC - Stack Overflow
2016年11月21日 · Refer "How to install multiple versions of GCC" here in the GNU GCC FAQ. There's also a white paper here.
GCC -g vs -g3 GDB Flag: What is the Difference?
2012年5月6日 · When compiling C source code with either gcc or Clang, I always use the -g flag to generate debugging information for gdb. gcc -g -o helloworld helloworld.c I noticed that some people recommend -g3 instead. What is the difference between the -g and -g3 flags? Also is there a difference between -g and -ggdb?
What is the meaning of -lm in GCC? - Stack Overflow
2017年5月25日 · When I compile some C code with gcc, it needs adding -lm. For example, when I want to use fmax in my program, I must use the following command: gcc myprogram.c -lm What happens to my program by ad...
gcc - I don't understand -Wl,-rpath -Wl, - Stack Overflow
2011年7月3日 · man gcc: -Wl,option Pass option as an option to the linker. If option contains commas, it is split into multiple options at the commas. You can use this syntax to pass an argument to the option. For example, -Wl,-Map,output.map passes -Map output.map to the linker. When using the GNU linker, you can also get the same effect with `-Wl,-Map=output.map'. …
How to run (and compile) a C file with arguments with gcc?
2013年9月26日 · Compile and run a program in one line: gcc source.c -o sourceBinary; ./sourceBinary The semi-colon indicates an ended statement/break in bash.
Compiling multiple C files with gcc - Stack Overflow
2013年9月13日 · With regard to what specifically? The idea of putting source code directly into .o files? That seemed incredibly strange to me, especially since gcc doesn't recognize .o files, but that's why I came to you guys!
How do I install gcc on cygwin? - Stack Overflow
2017年11月10日 · $ uname -r 2.9.0(0.318/5/3) I don't have the gcc or the g++ command on my path after I install cygwin. What packages do I need to install to get this command?