Require CMake 3.0.2

Seems it's necessary for the INCLUDES install property with the cmake config
export.

1 files changed, 1 insertions, 51 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2599b67b..2cb95402 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 # CMake build file list for OpenAL
 
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)
 
 PROJECT(OpenAL)
 
@@ -275,12 +275,6 @@ HAVE_C11_ATOMIC)
 
 # Add definitions, compiler switches, etc.
 INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/include" "${OpenAL_BINARY_DIR}")
-IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-    INCLUDE_DIRECTORIES("${OpenAL_SOURCE_DIR}/OpenAL32/Include" "${OpenAL_SOURCE_DIR}/Alc")
-    IF(WIN32 AND ALSOFT_NO_UID_DEFS)
-        ADD_DEFINITIONS("-DAL_NO_UID_DEFS")
-    ENDIF()
-ENDIF()
 
 IF(NOT CMAKE_BUILD_TYPE)
     SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
@@ -329,17 +323,6 @@ ELSE()
         SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -Werror")
     ENDIF()
 
-    # Force enable -fPIC for CMake versions before 2.8.9 (later versions have
-    # the POSITION_INDEPENDENT_CODE target property). The static common library
-    # will be linked into the dynamic OpenAL library, which requires all its
-    # code to be position-independent.
-    IF(CMAKE_VERSION VERSION_LESS "2.8.9" AND NOT WIN32)
-        CHECK_C_COMPILER_FLAG(-fPIC HAVE_FPIC_SWITCH)
-        IF(HAVE_FPIC_SWITCH)
-            SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fPIC")
-        ENDIF()
-    ENDIF()
-
     # We want RelWithDebInfo to actually include debug stuff (define _DEBUG
     # instead of NDEBUG)
     FOREACH(flag_var  CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELWITHDEBINFO)
@@ -880,9 +863,6 @@ IF(ALSA_FOUND)
         SET(BACKENDS  "${BACKENDS} ALSA${IS_LINKED},")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/alsa.c)
         ADD_BACKEND_LIBS(${ALSA_LIBRARIES})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${ALSA_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_ALSA AND NOT HAVE_ALSA)
@@ -898,9 +878,6 @@ IF(OSS_FOUND)
         SET(HAVE_OSS 1)
         SET(BACKENDS  "${BACKENDS} OSS,")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/oss.c)
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${OSS_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_OSS AND NOT HAVE_OSS)
@@ -916,9 +893,6 @@ IF(AUDIOIO_FOUND)
         SET(HAVE_SOLARIS 1)
         SET(BACKENDS  "${BACKENDS} Solaris,")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/solaris.c)
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${AUDIOIO_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_SOLARIS AND NOT HAVE_SOLARIS)
@@ -935,9 +909,6 @@ IF(SOUNDIO_FOUND)
         SET(BACKENDS  "${BACKENDS} SndIO (linked),")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/sndio.c)
         SET(EXTRA_LIBS ${SOUNDIO_LIBRARIES} ${EXTRA_LIBS})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${SOUNDIO_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_SNDIO AND NOT HAVE_SNDIO)
@@ -954,9 +925,6 @@ IF(QSA_FOUND)
         SET(BACKENDS  "${BACKENDS} QSA (linked),")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/qsa.c)
         SET(EXTRA_LIBS ${QSA_LIBRARIES} ${EXTRA_LIBS})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${QSA_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_QSA AND NOT HAVE_QSA)
@@ -992,9 +960,6 @@ IF(HAVE_WINDOWS_H)
             SET(BACKENDS  "${BACKENDS} DirectSound${IS_LINKED},")
             SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/dsound.c)
             ADD_BACKEND_LIBS(${DSOUND_LIBRARIES})
-            IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-                INCLUDE_DIRECTORIES(${DSOUND_INCLUDE_DIRS})
-            ENDIF()
         ENDIF()
     ENDIF()
 
@@ -1029,9 +994,6 @@ IF(PORTAUDIO_FOUND)
         SET(BACKENDS  "${BACKENDS} PortAudio${IS_LINKED},")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/portaudio.c)
         ADD_BACKEND_LIBS(${PORTAUDIO_LIBRARIES})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${PORTAUDIO_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_PORTAUDIO AND NOT HAVE_PORTAUDIO)
@@ -1048,9 +1010,6 @@ IF(PULSEAUDIO_FOUND)
         SET(BACKENDS  "${BACKENDS} PulseAudio${IS_LINKED},")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/pulseaudio.c)
         ADD_BACKEND_LIBS(${PULSEAUDIO_LIBRARIES})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${PULSEAUDIO_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_PULSEAUDIO AND NOT HAVE_PULSEAUDIO)
@@ -1067,9 +1026,6 @@ IF(JACK_FOUND)
         SET(BACKENDS  "${BACKENDS} JACK${IS_LINKED},")
         SET(ALC_OBJS  ${ALC_OBJS} Alc/backends/jack.c)
         ADD_BACKEND_LIBS(${JACK_LIBRARIES})
-        IF(CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${JACK_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()
 IF(ALSOFT_REQUIRE_JACK AND NOT HAVE_JACK)
@@ -1189,13 +1145,7 @@ IF(ALSOFT_EXAMPLES)
     FIND_PACKAGE(SDL2)
     IF(SDL2_FOUND)
         FIND_PACKAGE(SDL_sound)
-        IF(SDL_SOUND_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIR} ${SDL_SOUND_INCLUDE_DIR})
-        ENDIF()
         FIND_PACKAGE(FFmpeg COMPONENTS AVFORMAT AVCODEC AVUTIL SWSCALE SWRESAMPLE)
-        IF(FFMPEG_FOUND AND CMAKE_VERSION VERSION_LESS "2.8.8")
-            INCLUDE_DIRECTORIES(${FFMPEG_INCLUDE_DIRS})
-        ENDIF()
     ENDIF()
 ENDIF()