update build system to check for component dependencies

this will only enable components if the dependencies were met.

4 files changed, 259 insertions, 0 deletions

diff --git a/cmake/Modules/FindGnuradioFCD.cmake b/cmake/Modules/FindGnuradioFCD.cmake
new file mode 100644
index 0000000..401acda
--- /dev/null
+++ b/cmake/Modules/FindGnuradioFCD.cmake
@@ -0,0 +1,34 @@
+INCLUDE(FindPkgConfig)
+PKG_CHECK_MODULES(PC_GNURADIO_FCD gnuradio-fcd)
+
+FIND_PATH(
+    GNURADIO_FCD_INCLUDE_DIRS
+    NAMES fcd_api.h
+    HINTS $ENV{GNURADIO_FCD_DIR}/include/gnuradio/fcd
+        ${PC_GNURADIO_FCD_INCLUDEDIR}
+    PATHS /usr/local/include/gnuradio
+          /usr/include/gnuradio
+)
+
+FIND_LIBRARY(
+    GNURADIO_FCD_LIBRARIES
+    NAMES gnuradio-fcd
+    HINTS $ENV{GNURADIO_FCD_DIR}/lib
+        ${PC_GNURADIO_FCD_LIBDIR}
+    PATHS /usr/local/lib
+          /usr/local/lib64
+          /usr/lib
+          /usr/lib64
+)
+
+if(GNURADIO_FCD_INCLUDE_DIRS AND GNURADIO_FCD_LIBRARIES)
+  set(GNURADIO_FCD_FOUND TRUE CACHE INTERNAL "gnuradio-fcd found")
+  message(STATUS "Found gnuradio-fcd: ${GNURADIO_FCD_INCLUDE_DIRS}, ${GNURADIO_FCD_LIBRARIES}")
+else(GNURADIO_FCD_INCLUDE_DIRS AND GNURADIO_FCD_LIBRARIES)
+  set(GNURADIO_FCD_FOUND FALSE CACHE INTERNAL "gnuradio-fcd found")
+  message(STATUS "gnuradio-fcd not found.")
+endif(GNURADIO_FCD_INCLUDE_DIRS AND GNURADIO_FCD_LIBRARIES)
+
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GNURADIO_FCD DEFAULT_MSG GNURADIO_FCD_LIBRARIES GNURADIO_FCD_INCLUDE_DIRS)
+MARK_AS_ADVANCED(GNURADIO_FCD_LIBRARIES GNURADIO_FCD_INCLUDE_DIRS)
diff --git a/cmake/Modules/FindGnuradioUHD.cmake b/cmake/Modules/FindGnuradioUHD.cmake
new file mode 100644
index 0000000..f8557df
--- /dev/null
+++ b/cmake/Modules/FindGnuradioUHD.cmake
@@ -0,0 +1,34 @@
+INCLUDE(FindPkgConfig)
+PKG_CHECK_MODULES(PC_GNURADIO_UHD gnuradio-uhd)
+
+FIND_PATH(
+    GNURADIO_UHD_INCLUDE_DIRS
+    NAMES gr_uhd_api.h
+    HINTS $ENV{GNURADIO_UHD_DIR}/include/gnuradio
+        ${PC_GNURADIO_UHD_INCLUDEDIR}
+    PATHS /usr/local/include/gnuradio
+          /usr/include/gnuradio
+)
+
+FIND_LIBRARY(
+    GNURADIO_UHD_LIBRARIES
+    NAMES gnuradio-uhd
+    HINTS $ENV{GNURADIO_UHD_DIR}/lib
+        ${PC_GNURADIO_UHD_LIBDIR}
+    PATHS /usr/local/lib
+          /usr/local/lib64
+          /usr/lib
+          /usr/lib64
+)
+
+if(GNURADIO_UHD_INCLUDE_DIRS AND GNURADIO_UHD_LIBRARIES)
+  set(GNURADIO_UHD_FOUND TRUE CACHE INTERNAL "gnuradio-uhd found")
+  message(STATUS "Found gnuradio-uhd: ${GNURADIO_UHD_INCLUDE_DIRS}, ${GNURADIO_UHD_LIBRARIES}")
+else(GNURADIO_UHD_INCLUDE_DIRS AND GNURADIO_UHD_LIBRARIES)
+  set(GNURADIO_UHD_FOUND FALSE CACHE INTERNAL "gnuradio-uhd found")
+  message(STATUS "gnuradio-uhd not found.")
+endif(GNURADIO_UHD_INCLUDE_DIRS AND GNURADIO_UHD_LIBRARIES)
+
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GNURADIO_UHD DEFAULT_MSG GNURADIO_UHD_LIBRARIES GNURADIO_UHD_INCLUDE_DIRS)
+MARK_AS_ADVANCED(GNURADIO_UHD_LIBRARIES GNURADIO_UHD_INCLUDE_DIRS)
diff --git a/cmake/Modules/GrComponent.cmake b/cmake/Modules/GrComponent.cmake
new file mode 100644
index 0000000..22b0ea4
--- /dev/null
+++ b/cmake/Modules/GrComponent.cmake
@@ -0,0 +1,115 @@
+# Copyright 2010-2011 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+if(DEFINED __INCLUDED_GR_COMPONENT_CMAKE)
+    return()
+endif()
+set(__INCLUDED_GR_COMPONENT_CMAKE TRUE)
+
+set(_gr_enabled_components "" CACHE INTERNAL "" FORCE)
+set(_gr_disabled_components "" CACHE INTERNAL "" FORCE)
+
+if(NOT DEFINED ENABLE_DEFAULT)
+    set(ENABLE_DEFAULT ON)
+    message(STATUS "")
+    message(STATUS "The build system will automatically enable all components.")
+    message(STATUS "Use -DENABLE_DEFAULT=OFF to disable components by default.")
+endif()
+
+########################################################################
+# Register a component into the system
+# - name: canonical component name
+# - var: variable for enabled status
+# - argn: list of dependencies
+########################################################################
+function(GR_REGISTER_COMPONENT name var)
+    include(CMakeDependentOption)
+    message(STATUS "")
+    message(STATUS "Configuring ${name} support...")
+    foreach(dep ${ARGN})
+        message(STATUS "  Dependency ${dep} = ${${dep}}")
+    endforeach(dep)
+
+    #if the user set the var to force, we note this
+    if("${${var}}" STREQUAL "FORCE")
+        set(${var} ON)
+        set(var_force TRUE)
+    else()
+        set(var_force FALSE)
+    endif()
+
+    #rewrite the dependency list so that deps that are also components use the cached version
+    unset(comp_deps)
+    foreach(dep ${ARGN})
+        list(FIND _gr_enabled_components ${dep} dep_enb_index)
+        list(FIND _gr_disabled_components ${dep} dep_dis_index)
+        if (${dep_enb_index} EQUAL -1 AND ${dep_dis_index} EQUAL -1)
+            list(APPEND comp_deps ${dep})
+        else()
+            list(APPEND comp_deps ${dep}_cached) #is a component, use cached version
+        endif()
+    endforeach(dep)
+
+    #setup the dependent option for this component
+    CMAKE_DEPENDENT_OPTION(${var} "enable ${name} support" ${ENABLE_DEFAULT} "${comp_deps}" OFF)
+    set(${var} "${${var}}" PARENT_SCOPE)
+    set(${var}_cached "${${var}}" CACHE INTERNAL "" FORCE)
+
+    #force was specified, but the dependencies were not met
+    if(NOT ${var} AND var_force)
+        message(FATAL_ERROR "user force-enabled ${name} but configuration checked failed")
+    endif()
+
+    #append the component into one of the lists
+    if(${var})
+        message(STATUS "  Enabling ${name} support.")
+        list(APPEND _gr_enabled_components ${name})
+    else(${var})
+        message(STATUS "  Disabling ${name} support.")
+        list(APPEND _gr_disabled_components ${name})
+    endif(${var})
+    message(STATUS "  Override with -D${var}=ON/OFF")
+
+    #make components lists into global variables
+    set(_gr_enabled_components ${_gr_enabled_components} CACHE INTERNAL "" FORCE)
+    set(_gr_disabled_components ${_gr_disabled_components} CACHE INTERNAL "" FORCE)
+endfunction(GR_REGISTER_COMPONENT)
+
+########################################################################
+# Print the registered component summary
+########################################################################
+function(GR_PRINT_COMPONENT_SUMMARY)
+    message(STATUS "")
+    message(STATUS "######################################################")
+    message(STATUS "# gr-osmosdr enabled components                         ")
+    message(STATUS "######################################################")
+    foreach(comp ${_gr_enabled_components})
+        message(STATUS "  * ${comp}")
+    endforeach(comp)
+
+    message(STATUS "")
+    message(STATUS "######################################################")
+    message(STATUS "# gr-osmosdr disabled components                        ")
+    message(STATUS "######################################################")
+    foreach(comp ${_gr_disabled_components})
+        message(STATUS "  * ${comp}")
+    endforeach(comp)
+
+    message(STATUS "")
+endfunction(GR_PRINT_COMPONENT_SUMMARY)
diff --git a/cmake/Modules/GrVersion.cmake b/cmake/Modules/GrVersion.cmake
new file mode 100644
index 0000000..31b0a8e
--- /dev/null
+++ b/cmake/Modules/GrVersion.cmake
@@ -0,0 +1,76 @@
+# Copyright 2011 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+if(DEFINED __INCLUDED_GR_VERSION_CMAKE)
+    return()
+endif()
+set(__INCLUDED_GR_VERSION_CMAKE TRUE)
+
+#eventually, replace version.sh and fill in the variables below
+set(MAJOR_VERSION ${VERSION_INFO_MAJOR_VERSION})
+set(API_COMPAT    ${VERSION_INFO_API_COMPAT})
+set(MINOR_VERSION ${VERSION_INFO_MINOR_VERSION})
+set(MAINT_VERSION ${VERSION_INFO_MAINT_VERSION})
+
+########################################################################
+# Extract the version string from git describe.
+########################################################################
+find_package(Git)
+
+if(GIT_FOUND AND EXISTS ${CMAKE_SOURCE_DIR}/.git)
+    message(STATUS "Extracting version information from git describe...")
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} describe --always --abbrev=8 --long
+        OUTPUT_VARIABLE GIT_DESCRIBE OUTPUT_STRIP_TRAILING_WHITESPACE
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    )
+else()
+    set(GIT_DESCRIBE "v${MAJOR_VERSION}.${API_COMPAT}.x-xxx-xunknown")
+endif()
+
+########################################################################
+# Use the logic below to set the version constants
+########################################################################
+if("${MINOR_VERSION}" STREQUAL "git")
+    # VERSION: 3.6git-xxx-gxxxxxxxx
+    # DOCVER:  3.6git
+    # LIBVER:  3.6git
+    set(VERSION "${GIT_DESCRIBE}")
+    set(DOCVER  "${MAJOR_VERSION}.${API_COMPAT}${MINOR_VERSION}")
+    set(LIBVER  "${MAJOR_VERSION}.${API_COMPAT}${MINOR_VERSION}")
+elseif("${MAINT_VERSION}" STREQUAL "git")
+    # VERSION: 3.6.1git-xxx-gxxxxxxxx
+    # DOCVER:  3.6.1git
+    # LIBVER:  3.6.1git
+    set(VERSION "${GIT_DESCRIBE}")
+    set(DOCVER  "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}${MAINT_VERSION}")
+    set(LIBVER  "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}${MAINT_VERSION}")
+else()
+    # This is a numbered release.
+    # VERSION: 3.6.1{.x}
+    # DOCVER:  3.6.1{.x}
+    # LIBVER:  3.6.1{.x}
+    if("${MAINT_VERSION}" STREQUAL "0")
+        set(VERSION "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}")
+    else()
+        set(VERSION "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}.${MAINT_VERSION}")
+    endif()
+    set(DOCVER "${VERSION}")
+    set(LIBVER "${VERSION}")
+endif()