04-12-2010
Quote:
Originally Posted by
uunniixx
If that so then how does code coverage tools / testing tools implement their functionality. Please have a look at the BullsEye testing tool -
Bullseye Testing Technology, debugging and profiling tool - valgrind etc probably could be a few in the list.
If what you're trying to do is profile your app, use a profiling tool.
If you're trying to come up with some auditing mechanism whereby you can record every step your application took, don't mess with the compiler.
Why? Go look at how many bugs get filed against compilers. Now, look at who writes those compilers, and how many test cases the off-the-shelf compilers have to pass.
In other words, there are a good number of bugs, but the compilers are maintained by experts in the field AND the compilers are subject to not only the test cases the maintainers put their code through but also the testing done by everyone else using that compiler.
Now, you want to modify that compiler? How much testing are you going to put it through? Anywhere near what the standard compiler code base goes through?
And then your app is going to be completely dependent upon what's now your own private compiler?
Do you really want to mess with the application that translates your source code into machine language? How would you even know if you broke it?
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LEARN ABOUT DEBIAN
sdl-config
sdl-config(1) General Commands Manual sdl-config(1)
NAME
sdl-config - script to get information about the installed version of SDL
SYNOPSIS
sdl-config [ --prefix= DIR] [ --exec-prefix= DIR] [ --version ] [ --libs | --library-libs | --plugin-libs ] [ --cflags ]
DESCRIPTION
sdl-config is a tool that is used to configure and determine the compiler and linker flags that should be used to compile and link pro-
grams, libraries, and plugins that use SDL. It is also used internally by the m4 macros that are included with SDL.
OPTIONS
--cflags
Print the compiler flags that are necessary to compile a program or library that uses SDL.
--exec-prefix=DIR
If specified, use DIR instead of the installation exec prefix that SDL was build with when computing the output for the --cflags,
--libs, --library-libs, and --plugin-libs options. This option must be specified before any of the --cflags, --libs, --library-
libs, and --plugin-libs options.
--libs Print the linker flags that are necessary to link a program that uses SDL.
--static-libs
Print the linker flags that are necessary to statically link a program that uses SDL.
--library-libs
Print the linker flags that are necessary to link a library that uses SDL. (This excludes any static objects required for linking,
since these must be linked only by executable programs.)
--plugin-libs
Print the linker flags that are necessary to link an SDL-using object that is to be accessed via dlopen(3). This may include static
objects with PIC symbol information. This option should not be used for ordinary shared libraries or standalone applications.
--prefix=DIR
If specified, use PREFIX instead of the installation prefix that SDL was built with when computing the output for the --cflags,
--libs, --library-libs, and --plugin-libs options. This option is also used for the exec prefix if --exec-prefix was not specified.
This option must be specified before any of the --cflags, --libs, --library-libs, and --plugin-libs options.
--version
Prints the currently installed version of SDL on standard output.
EXAMPLES
gcc -o main.o $(sdl-config --cflags) main.c
is how you might use sdl-config to compile a C source file for an executable program.
gcc -o my_app $(sdl-config --libs) main.o util.o
is how you might use sdl-config to link compiled objects into an executable program.
gcc -o libSDL_nifty-1.2.so.0.0.1 $(sdl --library-libs) read.o write.o munge.o
is how you might use sdl-config to link compiled objects into a shared library.
gcc -o libnifty_xmms.so $(sdl --plugin-libs) stream.o blit.o deinterlace.o
is how you might use sdl-config to link compiled objects into a plugin for use by another program.
AUTHOR
The Simple DirectMedia Layer (SDL) library was written by Sam Lantinga.
This manual page was written by Branden Robinson, originally for Progeny Linux Systems, Inc., and the Debian Project.
SDL 1.2 2001-12-25 sdl-config(1)