update libraries

6 files changed, 34 insertions, 9 deletions

diff --git a/.gitmodules b/.gitmodules
index c8571bc..2f64601 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,3 +18,7 @@
 	path = lib/sdl_ttf
 	url = https://github.com/libsdl-org/SDL_ttf.git
 	shallow = true
+[submodule "lib/libdb"]
+	path = lib/libdb
+	url = https://github.com/berkeleydb/libdb
+	shallow = true
diff --git a/lib/libdb b/lib/libdb
new file mode 160000
+Subproject 5b7b02ae052442626af54c176335b67ecc613a3
diff --git a/lib/sdl_image b/lib/sdl_image
-Subproject c6c7278b86b5de1232b10de8f612ed05cf2d11f
+Subproject abcf63aa71b4e3ac32120fa9870a6500ddcdcc8
diff --git a/lib/sdl_ttf b/lib/sdl_ttf
-Subproject a3d0895c1b60c41ff9e85d9203ddd7485c014da
+Subproject 4a318f8dfaa1bb6f10e0c5e54052e25d3c7f344
diff --git a/lib/soloud b/lib/soloud
-Subproject e82fd32c1f62183922f08c14c814a02b58db187
+Subproject c8e339fdce5c7107bdb3e64bbf707c8fd3449be
diff --git a/readme.md b/readme.md
index 7cf044f..f699c27 100644
--- a/readme.md
+++ b/readme.md
@@ -16,12 +16,32 @@ This repository uses CMake (the makefile in the root of this repository is for
 running auxiliary tasks only). See [src/readme.md](src/readme.md) for detailed
 building instructions.
 
-## Installing libraries
+## Code style
+
+Please read [contributing.md](./contributing.md).
+
+## Libraries
+
+This project uses the following libraries
+
+|Name|Version|
+|-|-:|
+|`SDL2`|2.30.9|
+|`SDL2_image`|2.8.2|
+|`SDL_ttf`|2.22.0|
+|`SoLoud`|20200207|
+|Google Test (`GTest`)|1.15.2|
+|Berkeley DB (`libdb`)|5.3.21|
+
+> [!NOTE]
+> Most of these libraries are likely available from your package manager if you
+> are using Linux or MinGW. Make sure your entire distribution is up-to-date if
+> you are not using a rolling release distribution.
 
-The expected library (source) versions are included in this repository as git
-submodules, which may be used if your distro's package manager does not provide
-(recent enough versions of) them. To build any of the dependencies, make sure
-the submodules are initialized by running:
+The sources for all of the above libraries are also included in this repository
+as git submodules, which may be used if your distro's package manager does not
+provide (recent enough versions of) them. To build any of the libraries
+manually, make sure the submodules are initialized by running:
 
 ```
 $ git submodule update --init --recursive --depth 1
@@ -35,6 +55,7 @@ Then, follow these steps for each library you want to install:
    $ cd lib/sdl2
    $ cd lib/soloud/contrib
    $ cd lib/sdl_image
+   $ cd lib/sdl_ttf
    ```
 2. Use CMake to configure the build, run the build and install (run **all** of
    these):
@@ -44,6 +65,10 @@ Then, follow these steps for each library you want to install:
    # cmake --install build
    ```
 
+## Tooling
+
+- TODO
+
 ## Documentation
 
 API documentation is done using Doxygen. To generate the docs, run
@@ -51,7 +76,3 @@ API documentation is done using Doxygen. To generate the docs, run
 $ make doxygen
 ```
 
-## Code style
-
-Please read [contributing.md](./contributing.md).
-