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+
+ ___ __ _ _ __ ___ ___
+ / __| ___ / _` | '__/ _ \/ __|
+ | (_ |___| (_| | | | __/\__ \
+ \___| \__,_|_| \___||___/
+
+
+ How to build c-ares using MSVC or Visual Studio
+ =================================================
+
+
+
+ How to build using MSVC from the command line
+ ---------------------------------------------
+
+ Open a command prompt window and ensure that the environment is properly
+ set up in order to use MSVC or Visual Studio compiler tools.
+
+ Change to c-ares source folder where Makefile.msvc file is located and run:
+
+ > nmake -f Makefile.msvc
+
+ This will build all c-ares libraries as well as three sample programs.
+
+ Once the above command has finished a new folder named MSVCXX will exist
+ below the folder where makefile.msvc is found. The name of the folder
+ depends on the MSVC compiler version being used to build c-ares.
+
+ Below the MSVCXX folder there will exist four folders named 'cares',
+ 'ahost', 'acountry', and 'adig'. The 'cares' folder is the one that
+ holds the c-ares libraries you have just generated, the other three
+ hold sample programs that use the libraries.
+
+ The above command builds four versions of the c-ares library, dynamic
+ and static versions and each one in release and debug flavours. Each
+ of these is found in folders named dll-release, dll-debug, lib-release,
+ and lib-debug, which hang from the 'cares' folder mentioned above. Each
+ sample program also has folders with the same names to reflect which
+ library version it is using.
+
+
+ How to install using MSVC from the command line
+ -----------------------------------------------
+
+ In order to allow easy usage of c-ares libraries it may be convenient to
+ install c-ares libraries and header files to a common subdirectory tree.
+
+ Once that c-ares libraries have been built using procedure described above,
+ use same command prompt window to define environment variable INSTALL_DIR
+ to designate the top subdirectory where installation of c-ares libraries and
+ header files will be done.
+
+ > set INSTALL_DIR=c:\c-ares
+
+ Afterwards, run following command to actually perform the installation:
+
+ > nmake -f Makefile.msvc install
+
+ Installation procedure will copy c-ares libraries to subdirectory 'lib' and
+ c-ares header files to subdirectory 'include' below the INSTALL_DIR subdir.
+
+ When environment variable INSTALL_DIR is not defined, installation is done
+ to c-ares source folder where Makefile.msvc file is located.
+
+
+ How to build using Visual Studio 6 IDE
+ --------------------------------------
+
+ A VC++ 6.0 reference workspace (vc6aws.dsw) is available within the 'vc'
+ folder to allow proper building of the library and sample programs.
+
+ 1) Open the vc6aws.dsw workspace with MSVC6's IDE.
+ 2) Select 'Build' from top menu.
+ 3) Select 'Batch Build' from dropdown menu.
+ 4) Make sure that the sixteen project configurations are 'checked'.
+ 5) Click on the 'Build' button.
+ 6) Once the sixteen project configurations are built you are done.
+
+ Dynamic and static c-ares libraries are built in debug and release flavours,
+ and can be located each one in its own subdirectory, dll-debug, dll-release,
+ lib-debug and lib-release, all of them below the 'vc\cares' subdirectory.
+
+ In the same way four executable versions of each sample program are built,
+ each using its respective library. The resulting sample executables are
+ located in its own subdirectory, dll-debug, dll-release, lib-debug and
+ lib-release, below the 'vc\acountry', 'vc\adig' and 'vc\ahost'folders.
+
+ These reference VC++ 6.0 configurations are generated using the dynamic CRT.
+
+
+ How to build using Visual Studio 2003 or newer IDE
+ --------------------------------------------------
+
+ First you have to convert the VC++ 6.0 reference workspace and project files
+ to the Visual Studio IDE version you are using, following next steps:
+
+ 1) Open vc\vc6aws.dsw with VS20XX.
+ 2) Allow VS20XX to update all projects and workspaces.
+ 3) Save ALL and close VS20XX.
+ 4) Open vc\vc6aws.sln with VS20XX.
+ 5) Select batch build, check 'all' projects and click 'build' button.
+
+ Same comments relative to generated files and folders as done above for
+ Visual Studio 6 IDE apply here.
+
+
+ Relationship between c-ares library file names and versions
+ -----------------------------------------------------------
+
+ c-ares static release library version files:
+
+ libcares.lib -> static release library
+
+ c-ares static debug library version files:
+
+ libcaresd.lib -> static debug library
+
+ c-ares dynamic release library version files:
+
+ cares.dll -> dynamic release library
+ cares.lib -> import library for the dynamic release library
+ cares.exp -> export file for the dynamic release library
+
+ c-ares dynamic debug library version files:
+
+ caresd.dll -> dynamic debug library
+ caresd.lib -> import library for the dynamic debug library
+ caresd.exp -> export file for the dynamic debug library
+ caresd.pdb -> debug symbol file for the dynamic debug library
+
+
+ How to use c-ares static libraries
+ ----------------------------------
+
+ When using the c-ares static library in your program, you will have to
+ define preprocessor symbol CARES_STATICLIB while building your program,
+ otherwise you will get errors at linkage stage.
+
+
+Have Fun!
+