[pdf2htmlEX_exe] Set rpath at link time, instead of using LD_LIBRARY_PATH at run time

By default, neither the current working directory, nor the directory of the executable is used as a library search path.

Author: ViliusSutkus89

dependency-builder/src/main/cpp/packages/pdf2htmlEX-Patch-Source-make-a-library.patch

@@ -47,7 +47,7 @@
      src/pdf2htmlEX-config.h
      src/HTMLRenderer/HTMLRenderer.h
      src/HTMLRenderer/draw.cc
-@@ -172,8 +157,17 @@ set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
+@@ -172,8 +157,18 @@ set(PDF2HTMLEX_SRC ${PDF2HTMLEX_SRC}
      src/TmpFiles.cc
      )
 
@@ -62,6 +62,7 @@
 +set_target_properties(libpdf2htmlEX PROPERTIES OUTPUT_NAME pdf2htmlEX)
 +
 +add_executable(pdf2htmlEX ${PDF2HTMLEX_PROGRAM_SRC})
++SET(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath='\${ORIGIN}'")
 +target_link_libraries(pdf2htmlEX libpdf2htmlEX)
 +set_target_properties(pdf2htmlEX PROPERTIES OUTPUT_NAME libpdf2htmlEX-exe_not_lib.so)
 

pdf2htmlEX/src/main/java/com/viliussutkus89/android/pdf2htmlex/pdf2htmlEX_exe.java

@@ -52,11 +52,6 @@ public pdf2htmlEX_exe(@NonNull Context ctx) {
     super(ctx, null);
 
     String nativeLibraryDir = ctx.getApplicationInfo().nativeLibraryDir;
-    String oldLibraryPath = m_environment.put("LD_LIBRARY_PATH", nativeLibraryDir);
-    if (null != oldLibraryPath) {
-      m_environment.put("LD_LIBRARY_PATH", oldLibraryPath + ":" + nativeLibraryDir);
-    }
-
     File externalExecutable = new File(nativeLibraryDir, "libpdf2htmlEX-exe_not_lib.so");
 
     m_argumentsPrefix = new String[]{