add find modules for Jack and librt, link to interface

cmake/modules/FindJack.cmake

@@ -0,0 +1,82 @@
+# - Try to find jack-2.6
+# Once done this will define
+#
+#  JACK_FOUND - system has jack
+#  JACK_INCLUDE_DIRS - the jack include directory
+#  JACK_LIBRARIES - Link these to use jack
+#  JACK_DEFINITIONS - Compiler switches required for using jack
+#
+#  Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
+#  Modified for other libraries by Lasse Kärkkäinen <tronic>
+#
+#  Redistribution and use is allowed according to the terms of the New
+#  BSD license.
+#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+
+if (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
+  # in cache already
+  set(JACK_FOUND TRUE)
+else (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
+  # use pkg-config to get the directories and then use these values
+  # in the FIND_PATH() and FIND_LIBRARY() calls
+  if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+    include(UsePkgConfig)
+    pkgconfig(jack _JACK_INCLUDEDIR _JACK_LIBDIR _JACK_LDFLAGS _JACK_CFLAGS)
+  else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+    find_package(PkgConfig)
+    if (PKG_CONFIG_FOUND)
+      pkg_check_modules(_JACK jack)
+    endif (PKG_CONFIG_FOUND)
+  endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+  find_path(JACK_INCLUDE_DIR
+    NAMES
+      jack/jack.h
+    PATHS
+      ${_JACK_INCLUDEDIR}
+      /usr/include
+      /usr/local/include
+      /opt/local/include
+      /sw/include
+  )
+  
+  find_library(JACK_LIBRARY
+    NAMES
+      jack
+    PATHS
+      ${_JACK_LIBDIR}
+      /usr/lib
+      /usr/local/lib
+      /opt/local/lib
+      /sw/lib
+  )
+
+  if (JACK_LIBRARY AND JACK_INCLUDE_DIR)
+    set(JACK_FOUND TRUE)
+
+    set(JACK_INCLUDE_DIRS
+      ${JACK_INCLUDE_DIR}
+    )
+
+    set(JACK_LIBRARIES
+      ${JACK_LIBRARIES}
+      ${JACK_LIBRARY}
+    )
+
+  endif (JACK_LIBRARY AND JACK_INCLUDE_DIR)
+
+  if (JACK_FOUND)
+    if (NOT JACK_FIND_QUIETLY)
+      message(STATUS "Found jack: ${JACK_LIBRARY}")
+    endif (NOT JACK_FIND_QUIETLY)
+  else (JACK_FOUND)
+    if (JACK_FIND_REQUIRED)
+      message(FATAL_ERROR "Could not find JACK")
+    endif (JACK_FIND_REQUIRED)
+  endif (JACK_FOUND)
+
+  # show the JACK_INCLUDE_DIRS and JACK_LIBRARIES variables only in the advanced view
+  mark_as_advanced(JACK_INCLUDE_DIRS JACK_LIBRARIES)
+
+endif (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
+

cmake/modules/FindLibrt.cmake

@@ -0,0 +1,61 @@
+# You may redistribute this program and/or modify it under the terms of
+# the GNU General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+if(NOT LIBRT_FOUND)
+
+    find_path(LIBRT_INCLUDE_DIR
+        NAMES
+            time.h
+        PATHS
+            ${LIBRTDIR}/include/
+    )
+
+    find_file(
+        LIBRT_LIBRARIES librt.a
+        PATHS
+            ${LIBRTDIR}/lib/
+            /usr/local/lib64/
+            /usr/local/lib/
+            /usr/lib/i386-linux-gnu/
+            /usr/lib/x86_64-linux-gnu/
+            /usr/lib64/
+            /usr/lib/
+    )
+    set (LIBRT_DYNAMIC "Using static library.")
+
+    if (NOT LIBRT_LIBRARIES)
+        find_library(
+            LIBRT_LIBRARIES rt
+            PATHS
+                ${LIBRTDIR}/lib/
+                /usr/local/lib64/
+                /usr/local/lib/
+                /usr/lib/i386-linux-gnu/
+                /usr/lib/x86_64-linux-gnu/
+                /usr/lib64/
+                /usr/lib/
+        )
+        set (LIBRT_DYNAMIC "Using dynamic library.")
+    endif (NOT LIBRT_LIBRARIES)
+
+    if (LIBRT_INCLUDE_DIR AND LIBRT_LIBRARIES)
+        set (LIBRT_FOUND TRUE)
+    endif (LIBRT_INCLUDE_DIR AND LIBRT_LIBRARIES)
+
+    if (LIBRT_FOUND)
+        message(STATUS "Found librt: ${LIBRT_INCLUDE_DIR}, ${LIBRT_LIBRARIES} ${LIBRT_DYNAMIC}")
+    else (LIBRT_FOUND)
+        if (Librt_FIND_REQUIRED)
+            message (FATAL_ERROR "Could not find librt, try to setup LIBRT_PREFIX accordingly")
+        endif (Librt_FIND_REQUIRED)
+    endif (LIBRT_FOUND)
+
+endif (NOT LIBRT_FOUND)

interface/CMakeLists.txt

@@ -21,6 +21,20 @@ find_package(GLUT REQUIRED)
 find_package(GLM REQUIRED)
 find_package(LodePNG REQUIRED)
 
+if (UNIX AND NOT APPLE)
+    find_package(Threads REQUIRED)
+    find_package(Librt REQUIRED)
+    find_package(Jack REQUIRED)
+    find_package(ALSA REQUIRED)
+    
+    target_link_libraries(interface
+        ${CMAKE_THREAD_LIBS_INIT}
+        ${LIBRT_LIBRARIES}
+        ${JACK_LIBRARIES}
+        ${ALSA_LIBRARIES}
+    )
+endif (UNIX AND NOT APPLE)
+
 include_directories(
     ${OPENGL_INCLUDE_DIRS}
     ${GLUT_INCLUDE_DIRS}