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diff --git a/Utilities/cmexpat/README.md b/Utilities/cmexpat/README.md index 428a11a..251dc8a 100644 --- a/Utilities/cmexpat/README.md +++ b/Utilities/cmexpat/README.md @@ -1,12 +1,14 @@ -[](https://travis-ci.org/libexpat/libexpat) +[](https://github.com/libexpat/libexpat/actions/workflows/linux.yml) [](https://ci.appveyor.com/project/libexpat/libexpat) [](https://repology.org/metapackage/expat/versions) +[](https://sourceforge.net/projects/expat/files/) +[](https://github.com/libexpat/libexpat/releases) -# Expat, Release 2.2.10 +# Expat, Release 2.4.1 This is Expat, a C library for parsing XML, started by -[James Clark](https://en.wikipedia.org/wiki/James_Clark_(programmer)) in 1997. +[James Clark](https://en.wikipedia.org/wiki/James_Clark_%28programmer%29) in 1997. Expat is a stream-oriented XML parser. This means that you register handlers with the parser before starting the parse. These handlers are called when the parser discovers the associated structures in the @@ -14,13 +16,14 @@ document being parsed. A start tag is an example of the kind of structures for which you may register handlers. Expat supports the following compilers: + - GNU GCC >=4.5 - LLVM Clang >=3.5 -- Microsoft Visual Studio >=9.0/2008 +- Microsoft Visual Studio >=15.0/2017 (rolling `${today} minus 5 years`) Windows users can use the -[`expat_win32` package](https://sourceforge.net/projects/expat/files/expat_win32/), -which includes both precompiled libraries and executables, and source code for +[`expat-win32bin-*.*.*.{exe,zip}` download](https://github.com/libexpat/libexpat/releases), +which includes both pre-compiled libraries and executables, and source code for developers. Expat is [free software](https://www.gnu.org/philosophy/free-sw.en.html). @@ -30,6 +33,67 @@ contained in the file distributed with this package. This license is the same as the MIT/X Consortium license. + +## Using libexpat in your CMake-Based Project + +There are two ways of using libexpat with CMake: + +### a) Module Mode + +This approach leverages CMake's own [module `FindEXPAT`](https://cmake.org/cmake/help/latest/module/FindEXPAT.html). + +Notice the *uppercase* `EXPAT` in the following example: + +```cmake +cmake_minimum_required(VERSION 3.0) # or 3.10, see below + +project(hello VERSION 1.0.0) + +find_package(EXPAT 2.2.8 MODULE REQUIRED) + +add_executable(hello + hello.c +) + +# a) for CMake >=3.10 (see CMake's FindEXPAT docs) +target_link_libraries(hello PUBLIC EXPAT::EXPAT) + +# b) for CMake >=3.0 +target_include_directories(hello PRIVATE ${EXPAT_INCLUDE_DIRS}) +target_link_libraries(hello PUBLIC ${EXPAT_LIBRARIES}) +``` + +### b) Config Mode + +This approach requires files from… + +- libexpat >=2.2.8 where packaging uses the CMake build system +or +- libexpat >=2.3.0 where packaging uses the GNU Autotools build system + on Linux +or +- libexpat >=2.4.0 where packaging uses the GNU Autotools build system + on macOS or MinGW. + +Notice the *lowercase* `expat` in the following example: + +```cmake +cmake_minimum_required(VERSION 3.0) + +project(hello VERSION 1.0.0) + +find_package(expat 2.2.8 CONFIG REQUIRED char dtd ns) + +add_executable(hello + hello.c +) + +target_link_libraries(hello PUBLIC expat::expat) +``` + + +## Building from a Git Clone + If you are building Expat from a check-out from the [Git repository](https://github.com/libexpat/libexpat/), you need to run a script that generates the configure script using the @@ -43,6 +107,11 @@ autoconf 2.58 or newer. Run the script like this: Once this has been done, follow the same instructions as for building from a source distribution. + +## Building from a Source Distribution + +### a) Building with the configure script (i.e. GNU Autotools) + To build Expat from a source distribution, you first run the configuration shell script in the top level distribution directory: @@ -132,8 +201,14 @@ A reference manual is available in the file `doc/reference.html` in this distribution. -The CMake build system is still *experimental* and will replace the primary +### b) Building with CMake + +The CMake build system is still *experimental* and may replace the primary build system based on GNU Autotools at some point when it is ready. + + +#### Available Options + For an idea of the available (non-advanced) options for building with CMake: ```console |