Add a cmake option to embed the HRTF data

1 files changed, 53 insertions, 7 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6deb43a4..e5a5ecfc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -239,10 +239,11 @@ IF(NOT CMAKE_DEBUG_POSTFIX)
         FORCE)
 ENDIF()
 
+SET(EXTRA_CFLAGS "")
 IF(MSVC)
     ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS)
     ADD_DEFINITIONS(-D_CRT_NONSTDC_NO_DEPRECATE)
-    ADD_DEFINITIONS("/wd4098")
+    SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} /wd4098")
 
     IF(NOT DXSDK_DIR)
         STRING(REGEX REPLACE "\\\\" "/" DXSDK_DIR "$ENV{DXSDK_DIR}")
@@ -264,14 +265,14 @@ IF(MSVC)
         ENDFOREACH(flag_var)
     ENDIF()
 ELSE()
-    ADD_DEFINITIONS(-Winline -Wall)
+    SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Winline -Wall")
     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
     IF(HAVE_W_EXTRA)
-        ADD_DEFINITIONS(-Wextra)
+        SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Wextra")
     ENDIF()
 
     IF(ALSOFT_WERROR)
-        ADD_DEFINITIONS(-Werror)
+        SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Werror")
     ENDIF()
 
     # Force enable -fPIC for CMake versions before 2.8.9 (later versions have
@@ -281,7 +282,7 @@ ELSE()
     IF(CMAKE_VERSION VERSION_LESS "2.8.9" AND NOT WIN32)
         CHECK_C_COMPILER_FLAG(-fPIC HAVE_FPIC_SWITCH)
         IF(HAVE_FPIC_SWITCH)
-            ADD_DEFINITIONS(-fPIC)
+            SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fPIC")
         ENDIF()
     ENDIF()
 
@@ -317,6 +318,7 @@ int main()
 ENDIF()
 
 # Set visibility/export options if available
+SET(HIDDEN_DECL "")
 IF(WIN32)
     SET(EXPORT_DECL "__declspec(dllexport)")
     IF(NOT MINGW)
@@ -344,7 +346,8 @@ ELSE()
     IF(HAVE_GCC_PROTECTED_VISIBILITY OR HAVE_GCC_DEFAULT_VISIBILITY)
         CHECK_C_COMPILER_FLAG(-fvisibility=hidden HAVE_VISIBILITY_HIDDEN_SWITCH)
         IF(HAVE_VISIBILITY_HIDDEN_SWITCH)
-            ADD_DEFINITIONS(-fvisibility=hidden)
+            SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fvisibility=hidden")
+            SET(HIDDEN_DECL "__attribute__((visibility(\"hidden\")))")
         ENDIF()
     ENDIF()
 
@@ -534,7 +537,7 @@ IF(NOT HAVE_WINDOWS_H)
 
     CHECK_C_COMPILER_FLAG(-pthread HAVE_PTHREAD)
     IF(HAVE_PTHREAD)
-        ADD_DEFINITIONS(-pthread)
+        SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -pthread")
         SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -pthread")
         SET(EXTRA_LIBS ${EXTRA_LIBS} -pthread)
     ENDIF()
@@ -1060,6 +1063,30 @@ ENDIF()
 # This is always available
 SET(BACKENDS  "${BACKENDS} Null")
 
+option(ALSOFT_EMBED_HRTF_DATA "Embed the HRTF data files (increases library footprint)" OFF)
+if(ALSOFT_EMBED_HRTF_DATA)
+    if(WIN32)
+        set(ALC_OBJS  ${ALC_OBJS} Alc/hrtf_res.rc)
+    else()
+        set(FILENAMES default-44100.mhr default-48000.mhr)
+        foreach(FILENAME ${FILENAMES})
+            set(outfile ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${FILENAME}${CMAKE_C_OUTPUT_EXTENSION})
+            add_custom_command(OUTPUT ${outfile}
+                DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/hrtf/${FILENAME}"
+                WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/hrtf"
+                COMMAND "${CMAKE_LINKER}" -r -b binary -o "${outfile}" ${FILENAME}
+                COMMAND "${CMAKE_OBJCOPY}" --rename-section .data=.rodata,alloc,load,readonly,data,contents "${outfile}" "${outfile}"
+                COMMENT "Generating ${FILENAME}${CMAKE_C_OUTPUT_EXTENSION}"
+                VERBATIM
+            )
+            set(ALC_OBJS  ${ALC_OBJS} ${outfile})
+        endforeach()
+        unset(outfile)
+        unset(FILENAMES)
+    endif()
+endif()
+
+
 IF(ALSOFT_UTILS AND NOT ALSOFT_NO_CONFIG_UTIL)
     add_subdirectory(utils/alsoft-config)
 ENDIF()
@@ -1101,6 +1128,7 @@ CONFIGURE_FILE(
 
 # Build a common library with reusable helpers
 ADD_LIBRARY(common STATIC ${COMMON_OBJS})
+SET_PROPERTY(TARGET common APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
 IF(NOT LIBTYPE STREQUAL "STATIC")
     SET_PROPERTY(TARGET common PROPERTY POSITION_INDEPENDENT_CODE TRUE)
 ENDIF()
@@ -1111,6 +1139,7 @@ IF(LIBTYPE STREQUAL "STATIC")
 ELSE()
     ADD_LIBRARY(${LIBNAME} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
 ENDIF()
+SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
 SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_BUILD_LIBRARY AL_ALEXT_PROTOTYPES)
 IF(WIN32 AND ALSOFT_NO_UID_DEFS)
     SET_PROPERTY(TARGET ${LIBNAME} APPEND PROPERTY COMPILE_DEFINITIONS AL_NO_UID_DEFS)
@@ -1209,6 +1238,11 @@ IF(WIN32)
     ENDIF()
 ENDIF()
 
+if(ALSOFT_EMBED_HRTF_DATA)
+    message(STATUS "Embedding HRTF datasets")
+    message(STATUS "")
+endif()
+
 # Install alsoft.conf configuration file
 IF(ALSOFT_CONFIG)
     INSTALL(FILES alsoftrc.sample
@@ -1244,14 +1278,17 @@ ENDIF()
 
 IF(ALSOFT_UTILS)
     ADD_EXECUTABLE(openal-info utils/openal-info.c)
+    SET_PROPERTY(TARGET openal-info APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
     TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
 
     ADD_EXECUTABLE(makehrtf utils/makehrtf.c)
+    SET_PROPERTY(TARGET makehrtf APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
     IF(HAVE_LIBM)
         TARGET_LINK_LIBRARIES(makehrtf m)
     ENDIF()
 
     ADD_EXECUTABLE(bsincgen utils/bsincgen.c)
+    SET_PROPERTY(TARGET bsincgen APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
     IF(HAVE_LIBM)
         TARGET_LINK_LIBRARIES(bsincgen m)
     ENDIF()
@@ -1273,9 +1310,11 @@ ENDIF()
 
 IF(ALSOFT_TESTS)
         ADD_LIBRARY(test-common STATIC examples/common/alhelpers.c)
+        SET_PROPERTY(TARGET test-common APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
 
         ADD_EXECUTABLE(altonegen examples/altonegen.c)
         TARGET_LINK_LIBRARIES(altonegen test-common ${LIBNAME})
+        SET_PROPERTY(TARGET altonegen APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
 
         IF(ALSOFT_INSTALL)
             INSTALL(TARGETS altonegen
@@ -1293,36 +1332,42 @@ IF(ALSOFT_EXAMPLES)
     IF(SDL2_FOUND AND SDL_SOUND_FOUND)
         ADD_LIBRARY(ex-common STATIC examples/common/alhelpers.c
                                      examples/common/sdl_sound.c)
+        SET_PROPERTY(TARGET ex-common APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET ex-common APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                           ${SDL_SOUND_INCLUDE_DIR})
 
         ADD_EXECUTABLE(alstream examples/alstream.c)
         TARGET_LINK_LIBRARIES(alstream ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
                                        common ${LIBNAME})
+        SET_PROPERTY(TARGET alstream APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET alstream APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                          ${SDL_SOUND_INCLUDE_DIR})
 
         ADD_EXECUTABLE(alreverb examples/alreverb.c)
         TARGET_LINK_LIBRARIES(alreverb ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
                                        common ${LIBNAME})
+        SET_PROPERTY(TARGET alreverb APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET alreverb APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                          ${SDL_SOUND_INCLUDE_DIR})
 
         ADD_EXECUTABLE(allatency examples/allatency.c)
         TARGET_LINK_LIBRARIES(allatency ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
                                         common ${LIBNAME})
+        SET_PROPERTY(TARGET allatency APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET allatency APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                           ${SDL_SOUND_INCLUDE_DIR})
 
         ADD_EXECUTABLE(alloopback examples/alloopback.c)
         TARGET_LINK_LIBRARIES(alloopback ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
                                          common ${LIBNAME})
+        SET_PROPERTY(TARGET alloopback APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET alloopback APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                            ${SDL_SOUND_INCLUDE_DIR})
 
         ADD_EXECUTABLE(alhrtf examples/alhrtf.c)
         TARGET_LINK_LIBRARIES(alhrtf ex-common ${SDL_SOUND_LIBRARIES} ${SDL2_LIBRARY}
                                      common ${LIBNAME})
+        SET_PROPERTY(TARGET alhrtf APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
         SET_PROPERTY(TARGET alhrtf APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                        ${SDL_SOUND_INCLUDE_DIR})
 
@@ -1361,6 +1406,7 @@ IF(ALSOFT_EXAMPLES)
         IF(FFVER_OK AND NOT MSVC)
             ADD_EXECUTABLE(alffplay examples/alffplay.c)
             TARGET_LINK_LIBRARIES(alffplay common ex-common ${SDL2_LIBRARY} ${LIBNAME} ${FFMPEG_LIBRARIES})
+            SET_PROPERTY(TARGET alffplay APPEND PROPERTY COMPILE_FLAGS ${EXTRA_CFLAGS})
             SET_PROPERTY(TARGET alffplay APPEND PROPERTY INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
                                                                              ${FFMPEG_INCLUDE_DIRS})