From 8f782099dac9565f3c04a688f18148805ea00d85 Mon Sep 17 00:00:00 2001
From: TheBrokenRail <connor24nolan@live.com>
Date: Mon, 5 Jul 2021 19:40:43 -0400
Subject: [PATCH] Fix Library Loading On ARM 32-Bit Systems

---
 VERSION                          |  2 +-
 docs/CHANGELOG.md                |  3 +++
 launcher/src/bootstrap.c         |  4 ----
 media-layer/CMakeLists.txt       |  5 -----
 media-layer/core/CMakeLists.txt  |  5 +++++
 media-layer/stubs/CMakeLists.txt | 18 ++++++++++--------
 6 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/VERSION b/VERSION
index 3e3c2f1e..eca07e4c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.1.1
+2.1.2
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index a00c8709..fecf6461 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+**2.1.2**
+* Fix Library Loading On ARM 32-Bit Systems
+
 **2.1.1**
 * Fix Symlink Code
 
diff --git a/launcher/src/bootstrap.c b/launcher/src/bootstrap.c
index 3921fe24..187060d8 100644
--- a/launcher/src/bootstrap.c
+++ b/launcher/src/bootstrap.c
@@ -143,10 +143,6 @@ void bootstrap(int argc, char *argv[]) {
                 string_append(&new_ld_path, ":%s", value);
             }
         }
-        // Load ARM Libraries
-#ifdef __ARM_ARCH
-        string_append(&new_ld_path, "%s", ":/usr/lib/arm-linux-gnueabihf:/usr/arm-linux-gnueabihf/lib");
-#endif
         // Add Full Library Search Path
         {
             char *value = get_full_library_search_path();
diff --git a/media-layer/CMakeLists.txt b/media-layer/CMakeLists.txt
index 1b9a49c5..a0812e2d 100644
--- a/media-layer/CMakeLists.txt
+++ b/media-layer/CMakeLists.txt
@@ -27,8 +27,3 @@ add_subdirectory(stubs)
 
 # Add Extras
 add_subdirectory(extras)
-
-# Add Symlinks So MCPI Can Locate Libraries
-if(BUILD_ARM_COMPONENTS)
-    install_symlink("libmedia-layer-core.so" "${MCPI_LIB_DIR}/libSDL-1.2.so.0")
-endif()
diff --git a/media-layer/core/CMakeLists.txt b/media-layer/core/CMakeLists.txt
index 30b5b69c..b54baa9f 100644
--- a/media-layer/core/CMakeLists.txt
+++ b/media-layer/core/CMakeLists.txt
@@ -27,3 +27,8 @@ if(TARGET media-layer-core)
         target_link_libraries(media-layer-core "${FREEIMAGE_LIBRARY}" GLESv1_CM glfw)
     endif()
 endif()
+
+# Add Symlinks So MCPI Can Locate Libraries
+if(BUILD_ARM_COMPONENTS)
+    install_symlink("libmedia-layer-core.so" "${MCPI_LIB_DIR}/libSDL-1.2.so.0")
+endif()
diff --git a/media-layer/stubs/CMakeLists.txt b/media-layer/stubs/CMakeLists.txt
index f5f029ee..f14602e9 100644
--- a/media-layer/stubs/CMakeLists.txt
+++ b/media-layer/stubs/CMakeLists.txt
@@ -5,6 +5,7 @@ add_library(GLESv1_CM SHARED src/GLESv1_CM.c)
 target_link_libraries(GLESv1_CM media-layer-headers)
 set_target_properties(GLESv1_CM PROPERTIES SOVERSION "1")
 
+# Stubs Only Needed For ARM
 if(BUILD_ARM_COMPONENTS)
     # Stub RPI-Specific Graphics
     add_library(bcm_host SHARED src/bcm_host.c)
@@ -14,6 +15,7 @@ if(BUILD_ARM_COMPONENTS)
     # Stub EGL
     add_library(EGL SHARED src/EGL.c)
     target_link_libraries(EGL reborn-headers media-layer-headers)
+    set_target_properties(EGL PROPERTIES SOVERSION "1")
     # Stub X11
     add_library(X11 SHARED src/X11.c)
     target_link_libraries(X11 reborn-headers media-layer-headers)
@@ -30,12 +32,12 @@ if(BUILD_ARM_COMPONENTS)
         install(TARGETS GLESv1_CM DESTINATION "${MCPI_LIB_DIR}")
     endif()
 
-    # Add NOP GLESv2 That Dpends On Actual GLESv1_CM (This Cannot Be A Symlink Because The Location Of GLESv1_CM Is Dynamic)
-    add_library(GLESv2 SHARED src/nop.c)
-    target_compile_options(GLESv2 PRIVATE -w)
-    target_link_libraries(GLESv2 GLESv1_CM)
-    # Force Link
-    target_link_options(GLESv2 PRIVATE "-Wl,--no-as-needed")
-    # Install
-    install(TARGETS GLESv2 DESTINATION "${MCPI_LIB_DIR}")
+    # MCPI Depends On GLESv2, But Uses GLESv1_CM
+    install_symlink("libGLESv1_CM.so.1" "${MCPI_LIB_DIR}/libGLESv2.so")
+    # Prevent MCPI From Linking To The Legacy GL Driver When Directly Linking To GL
+    if(NOT MCPI_SERVER_MODE AND NOT MCPI_USE_MEDIA_LAYER_PROXY)
+        # Symlinks
+        install_symlink("/usr/lib/arm-linux-gnueabihf/libEGL.so.1" "${MCPI_LIB_DIR}/libEGL.so")
+        install_symlink("/usr/lib/arm-linux-gnueabihf/libGLESv1_CM.so.1" "${MCPI_LIB_DIR}/libGLESv1_CM.so.1")
+    endif()
 endif()