Apply fixes to OpenAL-soft's CMakeLists.txt.

* Disable utils, examples, config install.
 * Set lib name in parent scope.
 * Add TARGET_INCLUDE_DIRECTORIES
 * Don't install the default stuff.
 * Install our stuff instead.

libs/openal-soft-1.15.1-29e0af5ef052/CMakeLists.txt

@@ -74,12 +74,12 @@ OPTION(ALSOFT_DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
 
 OPTION(ALSOFT_WERROR  "Treat compile warnings as errors"      OFF)
 
-OPTION(ALSOFT_UTILS          "Build and install utility programs"         ON)
+OPTION(ALSOFT_UTILS          "Build and install utility programs"         OFF)
 OPTION(ALSOFT_NO_CONFIG_UTIL "Disable building the alsoft-config utility" OFF)
 
-OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  ON)
+OPTION(ALSOFT_EXAMPLES  "Build and install example programs"  OFF)
 
-OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" ON)
+OPTION(ALSOFT_CONFIG "Install alsoft.conf sample configuration file" OFF)
 
 
 IF(WIN32)
@@ -95,6 +95,8 @@ IF ("${CMAKE_C_PLATFORM_ID}" STREQUAL "QNX")
     SET(EXTRA_LIBS ${EXTRA_LIBS} -L/usr/lib)
 ENDIF()
 
+SET(OPENAL_LIB_NAME ${LIBNAME} PARENT_SCOPE)
+
 IF(NOT LIBTYPE)
     SET(LIBTYPE SHARED)
 ENDIF()
@@ -890,8 +892,10 @@ IF(WIN32 AND NOT LIBTYPE STREQUAL "STATIC")
 ENDIF()
 
 TARGET_LINK_LIBRARIES(${LIBNAME} ${EXTRA_LIBS})
+TARGET_INCLUDE_DIRECTORIES(${LIBNAME} PUBLIC include)
 
 # Add an install target here
+IF(NOT MEGA)
 INSTALL(TARGETS ${LIBNAME}
         RUNTIME DESTINATION bin
         LIBRARY DESTINATION "lib${LIB_SUFFIX}"
@@ -907,6 +911,7 @@ INSTALL(FILES include/AL/al.h
 )
 INSTALL(FILES "${OpenAL_BINARY_DIR}/openal.pc"
         DESTINATION "lib${LIB_SUFFIX}/pkgconfig")
+ENDIF()
 
 
 MESSAGE(STATUS "")
@@ -993,3 +998,7 @@ IF(ALSOFT_EXAMPLES)
         MESSAGE(STATUS "")
     ENDIF()
 ENDIF()
+
+IF(MEGA)
+    install(TARGETS ${LIBNAME} RUNTIME DESTINATION . LIBRARY DESTINATION .)
+ENDIF()