build: set rpath

.gitignore

@@ -5,6 +5,9 @@ build/
 !**/src/test/**/build/
 .kotlin
 *.log
+*.webm
+*.mkv
+*.mp4
 nv12.png
 output.png
 rgb.png

native/CMakeLists.txt

@@ -2,6 +2,9 @@ cmake_minimum_required(VERSION 3.21)
 if (NOT DEFINED PROJECT_NAME)
     set(PROJECT_NAME "compose-av")
 endif ()
+if (NOT DEFINED FFMPEG_PLATFORM)
+    message(FATAL_ERROR "FFMPEG_PLATFORM must be defined")
+endif ()
 
 project(${PROJECT_NAME} LANGUAGES CXX)
 
@@ -62,6 +65,9 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
     pkg_check_modules(ffmpeg REQUIRED IMPORTED_TARGET libavcodec libavformat libavutil libswscale)
     target_link_libraries(${PROJECT_NAME} PRIVATE PkgConfig::GL PkgConfig::ffmpeg)
     target_include_directories(${PROJECT_NAME} PRIVATE "${JAVA_HOME}/include/linux")
+    add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
+            COMMAND patchelf --set-rpath \$ORIGIN,\$ORIGIN/${FFMPEG_PLATFORM} $<TARGET_FILE:${PROJECT_NAME}>
+    )
 elseif (CMAKE_SYSTEM_NAME STREQUAL "Windows")
     target_include_directories(${PROJECT_NAME} PRIVATE "${FFMPEG_PREFIX}\\include")
     target_link_libraries(${PROJECT_NAME} PRIVATE "${FFMPEG_PREFIX}\\lib\\avcodec.lib" "${FFMPEG_PREFIX}\\lib\\avformat.lib" "${FFMPEG_PREFIX}\\lib\\avutil.lib" "${FFMPEG_PREFIX}\\lib\\swscale.lib")

native/build.gradle.kts

@@ -19,6 +19,7 @@ val generateMakefile = tasks.register<Exec>("generateMakefile") {
     val additionalFlags = mutableListOf(
         "-DJAVA_HOME=${System.getProperty("java.home")}",
         "-DPROJECT_NAME=${rootProject.name}",
+        "-DFFMPEG_PLATFORM=linux-x86_64", // TODO: Detect platform
     )
     if (OSUtils.isWindows()) {
         additionalFlags += "-DFFMPEG_PREFIX=\"${findProperty("ffmpeg.prefix") ?: error("ffmpeg.prefix is not set")}\""
@@ -85,7 +86,8 @@ artifacts {
 publishing {
     publications {
         create<MavenPublication>("natives${artifactSuffix.split("-").joinToString("") { it.capitalized() }}") {
-//            from()
+            artifact(jar)
+            artifactId = "${rootProject.name}-natives-$artifactSuffix"
         }
     }
 }