kc3-lang/SDL

diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 264fce2..ccc0266 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -38,6 +38,7 @@ jobs:
             -DANDROID_PLATFORM=${{ matrix.platform.android_platform }} \
             -DANDROID_ABI=${{ matrix.platform.android_abi }} \
             -DSDL_STATIC_PIC=ON \
+            -DSDL_VENDOR_INFO="Github Workflow" \
             -DCMAKE_INSTALL_PREFIX=prefix \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index b1ab07e..5f41cb5 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -33,6 +33,7 @@ jobs:
         run: |
           emcmake cmake -S cmake/test -B cmake_config_build \
             -DCMAKE_BUILD_TYPE=Release \
+            -DSDL_VENDOR_INFO="Github Workflow" \
             -DTEST_SHARED=FALSE \
             -DCMAKE_PREFIX_PATH=${{ env.SDL2_DIR }}
           cmake --build cmake_config_build --verbose
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d4ce2f2..f96eb73 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -72,6 +72,7 @@ jobs:
         -DSDL_TESTS=ON \
         -DSDL_WERROR=ON \
         -DSDL_INSTALL_TESTS=ON \
+        -DSDL_VENDOR_INFO="Github Workflow" \
         -DCMAKE_INSTALL_PREFIX=cmake_prefix \
         -DCMAKE_BUILD_TYPE=Release \
         ${{ matrix.platform.cmake }}
@@ -102,6 +103,7 @@ jobs:
         (
           cd build-autotools
           ${{ github.workspace }}/configure \
+            --enable-vendor-info="Github Workflow" \
             --enable-werror \
             --prefix=${{ github.workspace }}/autotools_prefix \
         )
diff --git a/.github/workflows/msvc.yml b/.github/workflows/msvc.yml
index 4f561b9..b4644ec 100644
--- a/.github/workflows/msvc.yml
+++ b/.github/workflows/msvc.yml
@@ -43,6 +43,7 @@ jobs:
         -DSDL_WERROR=${{ !matrix.platform.nowerror }} `
         -DSDL_TESTS=ON `
         -DSDL_INSTALL_TESTS=ON `
+        -DSDL_VENDOR_INFO="Github Workflow" `
         -DSDL2_DISABLE_INSTALL=OFF `
         ${{ matrix.platform.flags }} `
         -DCMAKE_INSTALL_PREFIX=prefix
diff --git a/.github/workflows/n3ds.yml b/.github/workflows/n3ds.yml
index c7c1c30..f35577e 100644
--- a/.github/workflows/n3ds.yml
+++ b/.github/workflows/n3ds.yml
@@ -20,6 +20,7 @@ jobs:
             -DSDL_WERROR=ON \
             -DSDL_TESTS=ON \
             -DSDL_INSTALL_TESTS=ON \
+            -DSDL_VENDOR_INFO="Github Workflow" \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_INSTALL_PREFIX=prefix
       - name: Build
diff --git a/.github/workflows/riscos.yml b/.github/workflows/riscos.yml
index 7b1e435..1fec840 100644
--- a/.github/workflows/riscos.yml
+++ b/.github/workflows/riscos.yml
@@ -46,6 +46,7 @@ jobs:
           -DSDL_GCC_ATOMICS=OFF \
           -DSDL_TESTS=ON \
           -DSDL_INSTALL_TESTS=ON \
+          -DSDL_VENDOR_INFO="Github Workflow" \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/prefix_cmake
     - name: Build (CMake)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6d865b..cf86675 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -510,6 +510,7 @@ dep_option(SDL_HIDAPI_LIBUSB       "Use libusb for low level joystick drivers" O
 dep_option(SDL_HIDAPI_JOYSTICK     "Use HIDAPI for low level joystick drivers" ON SDL_HIDAPI OFF)
 dep_option(SDL_VIRTUAL_JOYSTICK    "Enable the virtual-joystick driver" ON SDL_HIDAPI OFF)
 set_option(SDL_ASAN                "Use AddressSanitizer to detect memory errors" OFF)
+option_string(SDL_VENDOR_INFO      "Vendor name and/or version to add to SDL_REVISION" "")
 
 option(SDL_WERROR "Enable -Werror" OFF)
 
diff --git a/Makefile.in b/Makefile.in
index 1418a62..d4eeee4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -32,6 +32,7 @@ RANLIB	= @RANLIB@
 RC	= @RC@
 LINKER = @LINKER@
 LIBTOOLLINKERTAG = @LIBTOOLLINKERTAG@
+SDL_VENDOR_INFO = @SDL_VENDOR_INFO@
 
 TARGET  = libSDL2.la
 OBJECTS = @OBJECTS@
@@ -152,7 +153,7 @@ $(objects)/.created:
 	touch $@
 
 update-revision:
-	$(SHELL) $(auxdir)/updaterev.sh
+	$(SHELL) $(auxdir)/updaterev.sh --vendor "$(SDL_VENDOR_INFO)"
 
 .PHONY: all update-revision install install-bin install-hdrs install-lib install-data uninstall uninstall-bin uninstall-hdrs uninstall-lib uninstall-data clean distclean dist $(OBJECTS:.lo=.d)
 
@@ -252,6 +253,7 @@ dist $(distfile):
 	    -name '.#*' \) \
 	    -exec rm -f {} \;
 	if test -f $(distdir)/test/Makefile; then (cd $(distdir)/test && make distclean); fi
+	# Intentionally no vendor suffix: that's a property of the build, not the source
 	(cd $(distdir); $(srcdir)/build-scripts/updaterev.sh --dist)
 	tar cvf - $(distdir) | gzip --best >$(distfile)
 	rm -rf $(distdir)
diff --git a/build-scripts/updaterev.sh b/build-scripts/updaterev.sh
index a15784d..3ab034f 100755
--- a/build-scripts/updaterev.sh
+++ b/build-scripts/updaterev.sh
@@ -7,6 +7,7 @@ cd `dirname $0`
 srcdir=..
 header=$outdir/include/SDL_revision.h
 dist=
+vendor=
 
 while [ "$#" -gt 0 ]; do
     case "$1" in
@@ -14,6 +15,10 @@ while [ "$#" -gt 0 ]; do
             dist=yes
             shift
             ;;
+        (--vendor)
+            vendor="$2"
+            shift 2
+            ;;
         (*)
             echo "$0: Unknown option: $1" >&2
             exit 2
@@ -27,7 +32,14 @@ if [ "$rev" != "" ]; then
         echo "$rev" > "$outdir/VERSION"
     fi
     echo "/* Generated by updaterev.sh, do not edit */" >"$header.new"
+    if [ -n "$vendor" ]; then
+        echo "#define SDL_VENDOR_INFO \"$vendor\"" >>"$header.new"
+    fi
+    echo "#ifdef SDL_VENDOR_INFO" >>"$header.new"
+    echo "#define SDL_REVISION \"SDL-$rev (\" SDL_VENDOR_INFO \")\"" >>"$header.new"
+    echo "#else" >>"$header.new"
     echo "#define SDL_REVISION \"SDL-$rev\"" >>"$header.new"
+    echo "#endif" >>"$header.new"
     echo "#define SDL_REVISION_NUMBER 0" >>"$header.new"
     if diff $header $header.new >/dev/null 2>&1; then
         rm "$header.new"
diff --git a/configure.ac b/configure.ac
index 6391bae..b520d21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4684,6 +4684,12 @@ else
 fi
 AC_SUBST([INSTALL_SDL2_CONFIG], [$enable_sdl2_config])
 
+AC_ARG_ENABLE([vendor-info],
+    [AS_HELP_STRING([--enable-vendor-info=STRING], [Add vendor info to SDL_REVISION])],
+    [enable_vendor_info="$enableval"], [enable_vendor_info=])
+AS_IF([test "$enable_vendor_info" = no], [enable_vendor_info=])
+AC_SUBST([SDL_VENDOR_INFO], [$enable_vendor_info])
+
 # Verify that we have all the platform specific files we need
 
 if test x$have_audio != xyes; then
diff --git a/include/SDL_revision.h b/include/SDL_revision.h
index 3e9b63a..36691f5 100644
--- a/include/SDL_revision.h
+++ b/include/SDL_revision.h
@@ -1,2 +1,6 @@
+#ifdef SDL_VENDOR_INFO
+#define SDL_REVISION SDL_VENDOR_INFO
+#else
 #define SDL_REVISION ""
+#endif
 #define SDL_REVISION_NUMBER 0
diff --git a/include/SDL_revision.h.cmake b/include/SDL_revision.h.cmake
index dc12088..84e5f41 100644
--- a/include/SDL_revision.h.cmake
+++ b/include/SDL_revision.h.cmake
@@ -1,2 +1,8 @@
-#define SDL_REVISION "@SDL_REVISION@"
+#cmakedefine SDL_VENDOR_INFO "@SDL_VENDOR_INFO@"
 #define SDL_REVISION_NUMBER 0
+
+#ifdef SDL_VENDOR_INFO
+#define SDL_REVISION "@SDL_REVISION@ (" SDL_VENDOR_INFO ")"
+#else
+#define SDL_REVISION "@SDL_REVISION@"
+#endif