diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2cd16a0c73..47bd2b4a58 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,9 +24,16 @@ include(cmake/xcode.cmake)
 
 # OPTIONS
 
+if( IOS OR EMSCRIPTEN )
+    set( LIB_TYPE_DEFAULT ON )
+else()
+    set( LIB_TYPE_DEFAULT OFF )
+endif()
+
 CMAKE_DEPENDENT_OPTION(KTX_FEATURE_TOOLS "Create KTX tools" ON "NOT IOS;NOT ANDROID;NOT EMSCRIPTEN" OFF)
 option( KTX_FEATURE_DOC "Create KTX documentation" OFF )
 option( KTX_FEATURE_LOADTEST_APPS "Create load tests apps that load and display various KTX textures" OFF )
+option( KTX_FEATURE_STATIC_LIBRARY "Create static libraries (shared otherwise)" ${LIB_TYPE_DEFAULT} )
 
 
 set(VULKAN_INSTALL_DIR "" CACHE PATH "Path to installation of Vulkan SDK (obtainable from https://vulkan.lunarg.com/sdk/home )")
@@ -45,9 +52,7 @@ endif()
 
 # option( KTX_FEATURE_KTX1 "KTX version 1" ON )
 # option( KTX_FEATURE_KTX2 "KTX version 2" ON )
-# option( KTX_FEATURE_WRITE "Create KTX files" ON )
 
-set( KTX_FEATURE_WRITE ON )
 set( KTX_FEATURE_KTX1 ON )
 set( KTX_FEATURE_KTX2 ON )
 set( KTX_FEATURE_VULKAN ON )
@@ -76,9 +81,12 @@ if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8 OR FORCE32)
 	set(bitness 32)
 endif()
 
-if(EMSCRIPTEN OR IOS)
+if(KTX_FEATURE_STATIC_LIBRARY)
     set(LIB_TYPE STATIC)
 else()
+    if(IOS OR EMSCRIPTEN)
+        message(SEND_ERROR "Library type cannot be shared for the current platform. Set KTX_FEATURE_STATIC_LIBRARY to ON!")
+    endif()
     set(LIB_TYPE SHARED)
 endif()
 
@@ -93,9 +101,7 @@ else()
     add_link_options( $<IF:$<CONFIG:Debug>,-g,-O3> )
 endif()
 
-
-# Main library
-add_library( ktx ${LIB_TYPE}
+set(KTX_MAIN_SRC
     include/ktx.h
     lib/basis_sgd.h
     lib/basis_transcode.cpp
@@ -146,269 +152,290 @@ add_library( ktx ${LIB_TYPE}
     lib/vkformat_str.c
     )
 
-set_target_properties(ktx PROPERTIES
-    PUBLIC_HEADER ${CMAKE_SOURCE_DIR}/include/ktx.h
-    VERSION ${PROJECT_VERSION}
-    SOVERSION ${PROJECT_VERSION_MAJOR}
-    XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME "YES"
-)
-set_xcode_code_sign(ktx)
-
-## Creating vulkan headers is only required when Vulkan SDK updates.
-# add_dependencies(ktx mkvk)
-
-create_version_header(lib ktx)
-
-target_compile_definitions(
-    ktx
-PUBLIC
-    "$<$<CONFIG:Debug>:_DEBUG;DEBUG>"
-PRIVATE
-    LIBKTX
-)
-
-# C/C++ Standard
-target_compile_features(ktx PUBLIC c_std_99 cxx_std_11)
-
-# Compiler Warning Flags
-if(EMSCRIPTEN)
-    target_compile_options(ktx PRIVATE
-        -Wno-nested-anon-types
-        -Wno-gnu-anonymous-struct
-    )
-else()
-    target_compile_options(ktx PRIVATE
-        # clang options
-        $<$<CXX_COMPILER_ID:AppleClang,Clang>:
-            -Wno-nested-anon-types
-            -Wno-gnu-anonymous-struct
-        >
-        # not clang options
-        $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:
-            -Wno-pedantic
-        >
+# Main library
+add_library( ktx ${LIB_TYPE}
+    ${KTX_MAIN_SRC}
     )
-endif()
 
-target_include_directories(
-    ktx
-PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
-    $<INSTALL_INTERFACE:include>
-
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/transcoder>
-    $<INSTALL_INTERFACE:lib/basisu/transcoder>
-
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/other_include>
-    $<INSTALL_INTERFACE:other_include>
-)
-
-if( LIB_TYPE STREQUAL STATIC )
-    target_compile_definitions(ktx PUBLIC KHRONOS_STATIC)
-endif()
+# Read-only library
+add_library( ktx_read ${LIB_TYPE}
+    ${KTX_MAIN_SRC}
+    )
 
+macro(commom_lib_settings lib )
 
-# To reduce size, don't support transcoding to ancient formats.
-target_compile_definitions(ktx PRIVATE BASISD_SUPPORT_FXT1=0)
-
-# TODO: make options for all formats and good per-platform defaults
-# - BASISD_SUPPORT_UASTC
-# - BASISD_SUPPORT_DXT1 (BC1)
-# - BASISD_SUPPORT_DXT5A (BC3/4/5)
-# - BASISD_SUPPORT_BC7
-# - BASISD_SUPPORT_BC7_MODE5
-# - BASISD_SUPPORT_PVRTC1
-# - BASISD_SUPPORT_ETC2_EAC_A8
-# - BASISD_SUPPORT_ASTC
-# - BASISD_SUPPORT_ATC
-# - BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY
-# - BASISD_SUPPORT_ETC2_EAC_RG11
-# - BASISD_SUPPORT_FXT1
-# - BASISD_SUPPORT_PVRTC2
-
-if(WIN32)
-    target_compile_definitions(
-        ktx
-	PRIVATE 
-        "KTX_API=__declspec(dllexport)"
-	PUBLIC # only for basisu_c_binding.
-        BASISU_NO_ITERATOR_DEBUG_LEVEL
-    )
-    target_sources(
-        ktx
-    PRIVATE
-        # The msvs generator automatically sets the needed VCLinker
-        # option when a .def file is seen in sources.
-        lib/internalexport.def
-    )
-elseif(EMSCRIPTEN)
-    target_compile_definitions(ktx PRIVATE
-        # To reduce size, don't support transcoding to formats not
-        # supported # by WebGL.
-        BASISD_SUPPORT_ATC=0
-        BASISD_SUPPORT_PVRTC2=0
-        # Don't support higher quality mode to avoid 64k table.
-        BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY=0
-        KTX_OMIT_VULKAN=1
+    set_target_properties(${lib} PROPERTIES
+        PUBLIC_HEADER ${CMAKE_SOURCE_DIR}/include/ktx.h
+        VERSION ${PROJECT_VERSION}
+        SOVERSION ${PROJECT_VERSION_MAJOR}
+        XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME "YES"
     )
-endif()
+    set_xcode_code_sign(${lib})
 
-if(KTX_FEATURE_KTX1)
-    target_compile_definitions(ktx PUBLIC KTX_FEATURE_KTX1)
-    target_sources(
-        ktx
+    target_compile_definitions(
+        ${lib}
+    PUBLIC
+        "$<$<CONFIG:Debug>:_DEBUG;DEBUG>"
     PRIVATE
-        lib/texture1.c
-        lib/texture1.h
+        LIBKTX
     )
-endif()
 
-if(KTX_FEATURE_KTX2)
-    target_compile_definitions(ktx PUBLIC KTX_FEATURE_KTX2)
-endif()
+    # C/C++ Standard
+    target_compile_features(${lib} PUBLIC c_std_99 cxx_std_11)
 
-if(KTX_FEATURE_WRITE)
+    # Compiler Warning Flags
+    if(EMSCRIPTEN)
+        target_compile_options(${lib} PRIVATE
+            -Wno-nested-anon-types
+            -Wno-gnu-anonymous-struct
+        )
+    else()
+        target_compile_options(${lib} PRIVATE
+            # clang options
+            $<$<CXX_COMPILER_ID:AppleClang,Clang>:
+                -Wno-nested-anon-types
+                -Wno-gnu-anonymous-struct
+            >
+            # not clang options
+            $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:
+                -Wno-pedantic
+            >
+        )
+    endif()
 
-    target_sources(
-        ktx
-    PRIVATE
-        lib/basis_encode.cpp
-        lib/basisu/apg_bmp.c
-        lib/basisu/apg_bmp.h
-        lib/basisu/basisu_astc_decomp.cpp
-        lib/basisu/basisu_astc_decomp.h
-        lib/basisu/basisu_backend.cpp
-        lib/basisu/basisu_backend.h
-        lib/basisu/basisu_basis_file.cpp
-        lib/basisu/basisu_basis_file.h
-        lib/basisu/basisu_bc7enc.cpp
-        lib/basisu/basisu_bc7enc.h
-        lib/basisu/basisu_comp.cpp
-        lib/basisu/basisu_comp.h
-        lib/basisu/basisu_enc.cpp
-        lib/basisu/basisu_enc.h
-        lib/basisu/basisu_etc.cpp
-        lib/basisu/basisu_etc.h
-        lib/basisu/basisu_frontend.cpp
-        lib/basisu/basisu_frontend.h
-        lib/basisu/basisu_global_selector_palette_helpers.cpp
-        lib/basisu/basisu_global_selector_palette_helpers.h
-        lib/basisu/basisu_gpu_texture.cpp
-        lib/basisu/basisu_gpu_texture.h
-        lib/basisu/basisu_miniz.h
-        lib/basisu/basisu_pvrtc1_4.cpp
-        lib/basisu/basisu_pvrtc1_4.h
-        lib/basisu/basisu_resample_filters.cpp
-        lib/basisu/basisu_resampler_filters.h
-        lib/basisu/basisu_resampler.cpp
-        lib/basisu/basisu_resampler.h
-        lib/basisu/basisu_ssim.cpp
-        lib/basisu/basisu_ssim.h
-        lib/basisu/basisu_uastc_enc.cpp
-        lib/basisu/basisu_uastc_enc.h
-        lib/basisu/jpgd.cpp
-        lib/basisu/jpgd.h
-        lib/basisu/lodepng.cpp
-        lib/basisu/lodepng.h
-        lib/writer1.c
-        lib/writer2.c
-    )
     target_include_directories(
-        ktx
+        ${lib}
     PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib>
-        $<INSTALL_INTERFACE:lib>
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
 
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu>
-        $<INSTALL_INTERFACE:lib/basisu>
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/transcoder>
+        $<INSTALL_INTERFACE:lib/basisu/transcoder>
+
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/other_include>
+        $<INSTALL_INTERFACE:other_include>
     )
 
-endif()
+    if( LIB_TYPE STREQUAL STATIC )
+        target_compile_definitions(${lib} PUBLIC KHRONOS_STATIC)
+    endif()
 
-set(KTX_BUILD_DIR "${CMAKE_BINARY_DIR}")
 
-if(WIN32)
-    target_link_libraries(
-        ktx
-        ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/win/Release-x64/zstd_static.lib
-    )
-    # By wrapping in generator expression we force multi configuration generators (like Visual Studio)
-    # to take the exact path and not change it.
-    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${KTX_BUILD_DIR}/$<CONFIG>>)
+    # To reduce size, don't support transcoding to ancient formats.
+    target_compile_definitions(${lib} PRIVATE BASISD_SUPPORT_FXT1=0)
+
+    # TODO: make options for all formats and good per-platform defaults
+    # - BASISD_SUPPORT_UASTC
+    # - BASISD_SUPPORT_DXT1 (BC1)
+    # - BASISD_SUPPORT_DXT5A (BC3/4/5)
+    # - BASISD_SUPPORT_BC7
+    # - BASISD_SUPPORT_BC7_MODE5
+    # - BASISD_SUPPORT_PVRTC1
+    # - BASISD_SUPPORT_ETC2_EAC_A8
+    # - BASISD_SUPPORT_ASTC
+    # - BASISD_SUPPORT_ATC
+    # - BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY
+    # - BASISD_SUPPORT_ETC2_EAC_RG11
+    # - BASISD_SUPPORT_FXT1
+    # - BASISD_SUPPORT_PVRTC2
+
+    if(WIN32)
+        target_compile_definitions(
+            ${lib}
+        PRIVATE 
+            "KTX_API=__declspec(dllexport)"
+        PUBLIC # only for basisu_c_binding.
+            BASISU_NO_ITERATOR_DEBUG_LEVEL
+        )
+        target_sources(
+            ${lib}
+        PRIVATE
+            # The msvs generator automatically sets the needed VCLinker
+            # option when a .def file is seen in sources.
+            lib/internalexport.def
+        )
+    elseif(EMSCRIPTEN)
+        target_compile_definitions(${lib} PRIVATE
+            # To reduce size, don't support transcoding to formats not
+            # supported # by WebGL.
+            BASISD_SUPPORT_ATC=0
+            BASISD_SUPPORT_PVRTC2=0
+            # Don't support higher quality mode to avoid 64k table.
+            BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY=0
+            KTX_OMIT_VULKAN=1
+        )
+    endif()
 
-elseif(APPLE)
-    if(IOS)
+    if(KTX_FEATURE_KTX1)
+        target_compile_definitions(${lib} PUBLIC KTX_FEATURE_KTX1)
+        target_sources(
+            ${lib}
+        PRIVATE
+            lib/texture1.c
+            lib/texture1.h
+        )
+    endif()
+
+    if(KTX_FEATURE_KTX2)
+        target_compile_definitions(${lib} PUBLIC KTX_FEATURE_KTX2)
+    endif()
+
+    if(WIN32)
         target_link_libraries(
-            ktx
-            ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/ios/Release-iphoneos/libzstd.a
-            )
-    else()
-        # Set a common RUNTIME_OUTPUT_DIR for all target, so that INSTALL RPATH
-        # is functional in build directory as well. BUILD_WITH_INSTALL_RPATH is necessary
-        # for working code signing.
+            ${lib}
+            ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/win/Release-x64/zstd_static.lib
+        )
+        # By wrapping in generator expression we force multi configuration generators (like Visual Studio)
+        # to take the exact path and not change it.
         set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${KTX_BUILD_DIR}/$<CONFIG>>)
+
+    elseif(APPLE)
+        if(IOS)
+            target_link_libraries(
+                ${lib}
+                ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/ios/Release-iphoneos/libzstd.a
+                )
+        else()
+            # Set a common RUNTIME_OUTPUT_DIR for all target, so that INSTALL RPATH
+            # is functional in build directory as well. BUILD_WITH_INSTALL_RPATH is necessary
+            # for working code signing.
+            set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${KTX_BUILD_DIR}/$<CONFIG>>)
+            target_link_libraries(
+                ${lib}
+                ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/mac/Release/libzstd.a
+                )
+        endif()
+    elseif(EMSCRIPTEN)
+        target_sources(
+            ${lib}
+        PRIVATE
+            lib/zstddeclib.c
+        )
+    elseif(LINUX)
+        find_package(zstd REQUIRED)
+        find_package(Threads REQUIRED)
+        target_link_libraries(
+            ${lib}
+            dl
+            Threads::Threads
+            zstd::zstd
+        )
+    elseif(ANDROID)
+        # add_library(zstd STATIC IMPORTED)
+        # set_target_properties(zstd PROPERTIES
+        # IMPORTED_LOCATION /Users/Shared/SDK/zstd/build/cmake/install-android/lib/libzstd.a
+        # )
+        # target_link_libraries(
+        #     ktx
+        #     zstd
+        # )
+        set(ZSTD_BUILD_PROGRAMS OFF)
+        set(ZSTD_BUILD_TESTS OFF)
+        add_subdirectory(/Users/Shared/SDK/zstd/build/cmake zstd)
         target_link_libraries(
-            ktx
-            ${CMAKE_CURRENT_SOURCE_DIR}/other_lib/mac/Release/libzstd.a
-            )
+            ${lib}
+            libzstd_static
+        )
     endif()
-elseif(EMSCRIPTEN)
-    target_sources(
-        ktx
-    PRIVATE
-        lib/zstddeclib.c
-    )
-elseif(LINUX)
-    find_package(zstd REQUIRED)
-    find_package(Threads REQUIRED)
-    target_link_libraries(
-        ktx
-        dl
-        Threads::Threads
-        zstd::zstd
-    )
-elseif(ANDROID)
-    # add_library(zstd STATIC IMPORTED)
-    # set_target_properties(zstd PROPERTIES
-    # IMPORTED_LOCATION /Users/Shared/SDK/zstd/build/cmake/install-android/lib/libzstd.a
-    # )
-    # target_link_libraries(
-    #     ktx
-    #     zstd
-    # )
-    set(ZSTD_BUILD_PROGRAMS OFF)
-    set(ZSTD_BUILD_TESTS OFF)
-    add_subdirectory(/Users/Shared/SDK/zstd/build/cmake zstd)
-    target_link_libraries(
-        ktx
-        libzstd_static
-    )
-endif()
 
-if(KTX_FEATURE_VULKAN)
-    target_sources(
-        ktx
-    PRIVATE
-        include/ktxvulkan.h
-        lib/vk_funcs.c
-        lib/vk_funcs.h
-        lib/vkloader.c
-    )
-    target_include_directories(
-        ktx
-    PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/dfdutils>
-        $<INSTALL_INTERFACE:lib/dfdutils>
-    )
+    if(KTX_FEATURE_VULKAN)
+        target_sources(
+            ${lib}
+        PRIVATE
+            include/ktxvulkan.h
+            lib/vk_funcs.c
+            lib/vk_funcs.h
+            lib/vkloader.c
+        )
+        target_include_directories(
+            ${lib}
+        PUBLIC
+            $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/dfdutils>
+            $<INSTALL_INTERFACE:lib/dfdutils>
+        )
 
-    get_target_property( KTX_PUBLIC_HEADER ktx PUBLIC_HEADER )
-    list(APPEND KTX_PUBLIC_HEADER ${CMAKE_SOURCE_DIR}/include/ktxvulkan.h)
-    set_target_properties(ktx PROPERTIES
-        PUBLIC_HEADER "${KTX_PUBLIC_HEADER}"
-    )
-else()
-    target_compile_definitions( ktx PRIVATE KTX_OMIT_VULKAN=1 )
-endif()
+        get_target_property( KTX_PUBLIC_HEADER ${lib} PUBLIC_HEADER )
+        list(APPEND KTX_PUBLIC_HEADER ${CMAKE_SOURCE_DIR}/include/ktxvulkan.h)
+        set_target_properties(${lib} PROPERTIES
+            PUBLIC_HEADER "${KTX_PUBLIC_HEADER}"
+        )
+    else()
+        target_compile_definitions( ${lib} PRIVATE KTX_OMIT_VULKAN=1 )
+    endif()
+
+endmacro(commom_lib_settings)
+
+set(KTX_BUILD_DIR "${CMAKE_BINARY_DIR}")
+
+commom_lib_settings(ktx)
+commom_lib_settings(ktx_read)
+
+## Creating vulkan headers is only required when Vulkan SDK updates.
+# add_dependencies(ktx mkvk)
+
+create_version_header(lib ktx)
+
+
+# Adding write capability to target ktx
+
+target_sources(
+    ktx
+PRIVATE
+    lib/basis_encode.cpp
+    lib/basisu/apg_bmp.c
+    lib/basisu/apg_bmp.h
+    lib/basisu/basisu_astc_decomp.cpp
+    lib/basisu/basisu_astc_decomp.h
+    lib/basisu/basisu_backend.cpp
+    lib/basisu/basisu_backend.h
+    lib/basisu/basisu_basis_file.cpp
+    lib/basisu/basisu_basis_file.h
+    lib/basisu/basisu_bc7enc.cpp
+    lib/basisu/basisu_bc7enc.h
+    lib/basisu/basisu_comp.cpp
+    lib/basisu/basisu_comp.h
+    lib/basisu/basisu_enc.cpp
+    lib/basisu/basisu_enc.h
+    lib/basisu/basisu_etc.cpp
+    lib/basisu/basisu_etc.h
+    lib/basisu/basisu_frontend.cpp
+    lib/basisu/basisu_frontend.h
+    lib/basisu/basisu_global_selector_palette_helpers.cpp
+    lib/basisu/basisu_global_selector_palette_helpers.h
+    lib/basisu/basisu_gpu_texture.cpp
+    lib/basisu/basisu_gpu_texture.h
+    lib/basisu/basisu_miniz.h
+    lib/basisu/basisu_pvrtc1_4.cpp
+    lib/basisu/basisu_pvrtc1_4.h
+    lib/basisu/basisu_resample_filters.cpp
+    lib/basisu/basisu_resampler_filters.h
+    lib/basisu/basisu_resampler.cpp
+    lib/basisu/basisu_resampler.h
+    lib/basisu/basisu_ssim.cpp
+    lib/basisu/basisu_ssim.h
+    lib/basisu/basisu_uastc_enc.cpp
+    lib/basisu/basisu_uastc_enc.h
+    lib/basisu/jpgd.cpp
+    lib/basisu/jpgd.h
+    lib/basisu/lodepng.cpp
+    lib/basisu/lodepng.h
+    lib/writer1.c
+    lib/writer2.c
+)
+target_include_directories(
+    ktx
+PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib>
+    $<INSTALL_INTERFACE:lib>
+
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu>
+    $<INSTALL_INTERFACE:lib/basisu>
+)
+target_compile_definitions(
+    ktx
+PUBLIC
+    KTX_FEATURE_WRITE
+)
 
 if(EMSCRIPTEN)
 
@@ -424,8 +451,8 @@ if(EMSCRIPTEN)
     )
 
     add_executable( ktx_js interface/js_binding/ktx_wrapper.cpp )
-    target_link_libraries( ktx_js ktx )
-    target_include_directories( ktx_js PRIVATE $<TARGET_PROPERTY:ktx,INTERFACE_INCLUDE_DIRECTORIES> )
+    target_link_libraries( ktx_js ktx_read )
+    target_include_directories( ktx_js PRIVATE $<TARGET_PROPERTY:ktx_read,INTERFACE_INCLUDE_DIRECTORIES> )
     target_link_options(
         ktx_js
     PUBLIC
@@ -455,7 +482,7 @@ if(EMSCRIPTEN)
     )
 
     add_executable( msc_basis_transcoder_js interface/js_binding/transcoder_wrapper.cpp )
-    target_link_libraries( msc_basis_transcoder_js ktx )
+    target_link_libraries( msc_basis_transcoder_js ktx_read )
     target_include_directories( msc_basis_transcoder_js
         PRIVATE
         lib
@@ -465,7 +492,7 @@ if(EMSCRIPTEN)
     # Re-use ktx's compile options
     target_compile_options(msc_basis_transcoder_js
     PRIVATE
-       $<TARGET_PROPERTY:ktx,INTERFACE_COMPILE_OPTIONS>
+       $<TARGET_PROPERTY:ktx_read,INTERFACE_COMPILE_OPTIONS>
        )
 
     target_link_options(
@@ -474,7 +501,7 @@ if(EMSCRIPTEN)
         ${KTX_EMC_LINK_FLAGS}
         "SHELL:-s EXPORT_NAME=MSC_TRANSCODER"
         # Re-use ktx's link options
-        $<TARGET_PROPERTY:ktx,INTERFACE_LINK_OPTIONS>
+        $<TARGET_PROPERTY:ktx_read,INTERFACE_LINK_OPTIONS>
         )
     set_target_properties( msc_basis_transcoder_js PROPERTIES OUTPUT_NAME "msc_basis_transcoder")
 
diff --git a/lib/texture1.c b/lib/texture1.c
index 95e1550a52..dffbe9a224 100644
--- a/lib/texture1.c
+++ b/lib/texture1.c
@@ -1303,6 +1303,49 @@ ktxTexture1_NeedsTranscoding(ktxTexture1* This)
     return KTX_FALSE;
 }
 
+#if !KTX_FEATURE_WRITE
+
+/*
+ * Stubs for writer functions that return a proper error code
+ */
+
+KTX_error_code
+ktxTexture1_SetImageFromMemory(ktxTexture1* This, ktx_uint32_t level,
+                               ktx_uint32_t layer, ktx_uint32_t faceSlice,
+                               const ktx_uint8_t* src, ktx_size_t srcSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture1_SetImageFromStdioStream(ktxTexture1* This, ktx_uint32_t level,
+                                    ktx_uint32_t layer, ktx_uint32_t faceSlice,
+                                    FILE* src, ktx_size_t srcSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture1_WriteToStdioStream(ktxTexture1* This, FILE* dstsstr)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture1_WriteToNamedFile(ktxTexture1* This, const char* const dstname)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture1_WriteToMemory(ktxTexture1* This,
+                          ktx_uint8_t** ppDstBytes, ktx_size_t* pSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+#endif
+
 /*
  * Initialized here at the end to avoid the need for multiple declarations of
  * these functions.
diff --git a/lib/texture2.c b/lib/texture2.c
index a7b3149a19..8a9a853477 100644
--- a/lib/texture2.c
+++ b/lib/texture2.c
@@ -2049,6 +2049,49 @@ ktxTexture2_inflateZstdInt(ktxTexture2* This, ktx_uint8_t* pDeflatedData,
     return KTX_SUCCESS;
 }
 
+#if !KTX_FEATURE_WRITE
+
+/*
+ * Stubs for writer functions that return a proper error code
+ */
+
+KTX_error_code
+ktxTexture2_SetImageFromMemory(ktxTexture2* This, ktx_uint32_t level,
+                               ktx_uint32_t layer, ktx_uint32_t faceSlice,
+                               const ktx_uint8_t* src, ktx_size_t srcSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture2_SetImageFromStdioStream(ktxTexture2* This, ktx_uint32_t level,
+                                    ktx_uint32_t layer, ktx_uint32_t faceSlice,
+                                    FILE* src, ktx_size_t srcSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture2_WriteToStdioStream(ktxTexture2* This, FILE* dstsstr)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture2_WriteToNamedFile(ktxTexture2* This, const char* const dstname)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+KTX_error_code
+ktxTexture2_WriteToMemory(ktxTexture2* This,
+                          ktx_uint8_t** ppDstBytes, ktx_size_t* pSize)
+{
+    return KTX_INVALID_OPERATION;
+}
+
+#endif
+
 /*
  * Initialized here at the end to avoid the need for multiple declarations of
  * the virtual functions.