Rewrote CMake support

3 files changed, 265 insertions, 12 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c05ebb..1e888af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,113 @@
-cmake_minimum_required (VERSION 2.6)
-project (Toolame-DAB)
-add_executable(toolame common.c
+########################################################################
+# Project setup
+########################################################################
+
+cmake_minimum_required(VERSION 2.8)
+project(Toolame-DAB C)
+
+# Select the release build type by default to get optimization flags
+if(NOT CMAKE_BUILD_TYPE)
+   set(CMAKE_BUILD_TYPE "Release")
+   message(STATUS "Build type not specified: defaulting to release.")
+endif(NOT CMAKE_BUILD_TYPE)
+set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")
+
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
+
+
+########################################################################
+# Version information
+########################################################################
+
+set(VERSION_INFO_MAJOR  0)
+set(VERSION_INFO_MINOR  0)
+set(VERSION_INFO_PATCH  0)
+
+if(NOT DEFINED VERSION_INFO_EXTRA)
+    set(VERSION_INFO_EXTRA "git")
+endif()
+include(Version)
+
+set(VERSION "${VERSION_INFO}")
+
+
+########################################################################
+# Compiler specific setup
+########################################################################
+
+set(CMAKE_CFLAGS "${CMAKE_C_FLAGS} -W -Wall")
+add_definitions(-fomit-frame-pointer)
+add_definitions(-march=native)
+add_definitions(-DGIT_VERSION="${VERSION}")
+add_definitions(-DINLINE=)
+add_definitions(-DNEWENCODE)
+
+
+########################################################################
+# Find build dependencies
+########################################################################
+
+find_package(PkgConfig)
+
+# libm
+find_library(M_LIB m REQUIRED)
+
+# threads
+find_package(Threads REQUIRED)
+
+# libzmq
+pkg_check_modules(ZMQ libzmq>=4.0 REQUIRED)
+if(NOT ZMQ_FOUND)
+    message(FATAL_ERROR "libmzq required to compile toolame-dab \n")
+endif()
+include_directories(${ZMQ_INCLUDE_DIRS})
+
+# libjack
+pkg_check_modules(JACK jack)
+
+# libvlc
+pkg_check_modules(VLC libvlc)
+
+
+########################################################################
+# Options
+########################################################################
+
+# vlc input
+option(ENABLE_INPUT_VLC
+    "libvlc input plugin" ${VLC_FOUND})
+
+# jack input
+option(ENABLE_INPUT_JACK
+    "Jack input plugin" ${JACK_FOUND})
+
+
+if(ENABLE_INPUT_VLC)
+    if(NOT LIBVLC_FOUND)
+        message(FATAL_ERROR "libvlc required to compile toolame-dab with ENABLE_INPUT_VLC \n")
+    endif()
+    add_definitions(-DVLC_INPUT)
+    include_directories(${VLC_INCLUDE_DIRS})
+    list(APPEND other_libs ${VLC_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+endif()
+
+
+if(ENABLE_INPUT_JACK)
+    if(NOT JACK_FOUND)
+        message(FATAL_ERROR "libjack required to compile toolame-dab with ENABLE_INPUT_JACK \n")
+    endif()
+    add_definitions(-DJACK_INPUT)
+    include_directories(${JACK_INCLUDE_DIRS})
+    list(APPEND other_libs ${JACK_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
+endif()
+
+
+########################################################################
+# Setup apps
+########################################################################
+
+list(APPEND toolame_sources
+    common.c
     encode.c
     ieeefloat.c
     toolame.c
@@ -24,16 +131,26 @@ add_executable(toolame common.c
     zmqoutput.c
     utils.c
     xpad.c
-    vlc_input.c)
+    vlc_input.c
+    )
+
+add_executable(toolame ${toolame_sources})
+set_target_properties(toolame PROPERTIES OUTPUT_NAME toolame-dab)
+target_link_libraries(toolame ${M_LIB} ${ZMQ_LIBRARIES} ${other_libs})
+
+install(TARGETS toolame DESTINATION bin)
+
+
+########################################################################
+# Create uninstall target
+########################################################################
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -g -fomit-frame-pointer")
-set(CMAKE_C_FLAGS "-DGIT_VERSION=")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -Wall -DNEWENCODE")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DINLINE=")
+configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+    IMMEDIATE @ONLY)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_INPUT_VLC=0")
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_INPUT_JACK=0")
+add_custom_target(uninstall
+    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
 
-target_link_libraries(toolame m zmq)
 
-install (TARGETS toolame DESTINATION bin)
diff --git a/cmake/Modules/Version.cmake b/cmake/Modules/Version.cmake
new file mode 100644
index 0000000..96ee6b7
--- /dev/null
+++ b/cmake/Modules/Version.cmake
@@ -0,0 +1,115 @@
+# Portions of this file have been borrowed from and/or inspired by
+# the Version.cmake from the rtl-sdr project.
+#   http://sdr.osmocom.org/trac/wiki/rtl-sdr
+#
+# Provides:
+#   ${VERSION_INFO_BASE}     -  Major.Minor.Patch
+#   ${VERSION_INFO}          -  Major.minor.Patch[-git_info]
+#
+# Requires values for:
+#   ${VERSION_INFO_MAJOR}    - Increment on API compatibility changes.
+#   ${VERSION_INFO_MINOR}    - Increment when adding features.
+#   ${VERSION_INFO_PATCH}    - Increment for bug and documentation changes.
+#
+# Optional:
+#   ${VERSION_INFO_EXTRA}    - Set to "git" to append git info. This is
+#                              intended only for non-versioned development
+#                              builds
+#   ${VERSION_INFO_OVERRIDE} - Set to a non-null value to override the
+#                              VERSION_INFO_EXTRA logic. This is intended
+#                              for automated snapshot builds from exported
+#                              trees, to pass in the git revision info.
+#
+if(DEFINED __INCLUDED_TOOLAME-DAB_VERSION_CMAKE)
+    return()
+endif()
+set(__INCLUDED_TOOLAME-DAB_VERSION_CMAKE TRUE)
+
+################################################################################
+# Gather up variables provided by parent script
+################################################################################
+
+if(NOT DEFINED VERSION_INFO_MAJOR)
+    message(FATAL_ERROR "VERSION_INFO_MAJOR is not defined")
+else()            
+    set(VER_MAJ ${VERSION_INFO_MAJOR})
+endif()
+
+if(NOT DEFINED VERSION_INFO_MINOR)
+    message(FATAL_ERROR "VERSION_INFO_MINOR is not defined")
+else()            
+    set(VER_MIN ${VERSION_INFO_MINOR})
+endif()
+
+if(NOT DEFINED VERSION_INFO_PATCH)
+    message(FATAL_ERROR "VERSION_INFO_PATCH is not defined")
+else()            
+    set(VER_PAT ${VERSION_INFO_PATCH})
+endif()
+
+
+################################################################################
+# Craft version number, using git, if needed
+################################################################################
+find_package(Git QUIET)
+
+if(GIT_FOUND)
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} rev-parse --
+        ERROR_QUIET
+        RESULT_VARIABLE NOT_GIT_REPOSITORY
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    )
+
+    if(NOT_GIT_REPOSITORY)
+        set(GIT_INFO "-unknown")
+    else()
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD --
+            OUTPUT_VARIABLE GIT_REV OUTPUT_STRIP_TRAILING_WHITESPACE
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        )
+
+        execute_process(
+            COMMAND ${GIT_EXECUTABLE} diff-index --quiet HEAD --
+            RESULT_VARIABLE GIT_DIRTY
+            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        )
+
+        if(GIT_DIRTY)
+            set(GIT_INFO "-${GIT_REV}-dirty")
+        else()
+            set(GIT_INFO "-${GIT_REV}")
+        endif()
+    endif()
+
+else()
+    message(WARNING "git missing -- unable to check libladeRF version.")
+    unset(NOT_GIT_REPOSITORY)
+    unset(GIT_REV)
+    unset(GIT_DIRTY)
+endif()
+
+
+################################################################################
+# Provide 
+################################################################################
+set(VERSION_INFO_BASE "${VER_MAJ}.${VER_MIN}.${VER_PAT}")
+
+# Force the version suffix.  Used for automated export builds.
+if(VERSION_INFO_OVERRIDE)
+    set(VERSION_INFO "${VERSION_INFO_BASE}-${VERSION_INFO_OVERRIDE}")
+
+# Intra-release builds
+elseif("${VERSION_INFO_EXTRA}" STREQUAL "git")
+    set(VERSION_INFO "${VERSION_INFO_BASE}-git${GIT_INFO}")
+
+# Versioned releases
+elseif("${VERSION_INFO_EXTRA}" STREQUAL "")
+    set(VERSION_INFO "${VERSION_INFO_BASE}")
+
+# Invalid 
+else() 
+    message(FATAL_ERROR 
+        "Unexpected definition of VERSION_INFO_EXTRA: ${VERSION_INFO_EXTRA}")
+endif()
diff --git a/cmake/cmake_uninstall.cmake.in b/cmake/cmake_uninstall.cmake.in
new file mode 100644
index 0000000..2037e36
--- /dev/null
+++ b/cmake/cmake_uninstall.cmake.in
@@ -0,0 +1,21 @@
+if(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  message(FATAL_ERROR "Cannot find install manifest: @CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+endif(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+foreach(file ${files})
+  message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
+  if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    exec_program(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    if(NOT "${rm_retval}" STREQUAL 0)
+      message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}")
+    endif(NOT "${rm_retval}" STREQUAL 0)
+  else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
+  endif(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+endforeach(file)