12 files changed, 63 insertions, 30 deletions
diff --git a/host/CMakeLists.txt b/host/CMakeLists.txt
index efc439af0..f59cda23f 100644
--- a/host/CMakeLists.txt
+++ b/host/CMakeLists.txt
@@ -15,21 +15,25 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
-PROJECT(UHD CXX)
-ENABLE_TESTING()
+########################################################################
+#IF(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
+#    MESSAGE(FATAL_ERROR "Prevented in-tree built. This is bad practice.")
+#ENDIF(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
 
 ########################################################################
-# Config Files (include order is important)
+# Project setup
 ########################################################################
-INCLUDE(${CMAKE_SOURCE_DIR}/config/Component.cmake)
-INCLUDE(${CMAKE_SOURCE_DIR}/config/Python.cmake)
-INCLUDE(${CMAKE_SOURCE_DIR}/config/Version.cmake)
-INCLUDE(${CMAKE_SOURCE_DIR}/config/CPack.cmake)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(UHD CXX)
+ENABLE_TESTING()
+LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/Modules)
+INCLUDE(UHDComponent) #enable components
+INCLUDE(UHDPackage)   #setup cpack
 
 ########################################################################
 # Install Dirs
 ########################################################################
+SET(LIB_SUFFIX ${LIB_SUFFIX} CACHE STRING "lib directory suffix")
 SET(RUNTIME_DIR bin)
 SET(LIBRARY_DIR lib${LIB_SUFFIX})
 SET(INCLUDE_DIR include)
@@ -102,7 +106,7 @@ LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})
 # Create Uninstall Target
 ########################################################################
 CONFIGURE_FILE(
-    ${CMAKE_SOURCE_DIR}/config/cmake_uninstall.cmake.in
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
 @ONLY)
 
@@ -168,4 +172,5 @@ ENDIF(ENABLE_UTILS)
 # Print Summary
 ########################################################################
 UHD_PRINT_COMPONENT_SUMMARY()
+MESSAGE(STATUS "Building version: ${CPACK_PACKAGE_VERSION}")
 MESSAGE(STATUS "Using install prefix: ${CMAKE_INSTALL_PREFIX}")
diff --git a/host/lib/transport/FindUSB1.cmake b/host/Modules/FindUSB1.cmake
index ebcac99eb..ebcac99eb 100644
--- a/host/lib/transport/FindUSB1.cmake
+++ b/host/Modules/FindUSB1.cmake
diff --git a/host/config/Component.cmake b/host/Modules/UHDComponent.cmake
index 0263b071f..0263b071f 100644
--- a/host/config/Component.cmake
+++ b/host/Modules/UHDComponent.cmake
diff --git a/host/config/CPack.cmake b/host/Modules/UHDPackage.cmake
index a86f452f9..2a11d407b 100644
--- a/host/config/CPack.cmake
+++ b/host/Modules/UHDPackage.cmake
@@ -16,6 +16,9 @@
 #
 
 ########################################################################
+INCLUDE(UHDVersion) #sets version information
+
+########################################################################
 # Setup CPack
 ########################################################################
 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Ettus Research - Universal Hardware Driver")
@@ -39,4 +42,3 @@ STRING(REPLACE "," ", " CPACK_DEBIAN_PACKAGE_DEPENDS
 SET(CPACK_DEBIAN_PACKAGE_RECOMMENDS "python, python-tk")
 SET(CPACK_RPM_PACKAGE_REQUIRES "boost-devel >= ${BOOST_MIN_VERSION}")
 INCLUDE(CPack) #include after setting vars
-MESSAGE(STATUS "Version: ${CPACK_PACKAGE_VERSION}")
diff --git a/host/config/Python.cmake b/host/Modules/UHDPython.cmake
index 847e7bff3..49f74ae88 100644
--- a/host/config/Python.cmake
+++ b/host/Modules/UHDPython.cmake
@@ -18,13 +18,33 @@
 ########################################################################
 # Setup Python
 ########################################################################
-IF(NOT DEFINED PYTHON_EXECUTABLE)
-    INCLUDE(FindPythonInterp)
+#this allows the user to override PYTHON_EXECUTABLE
+IF(PYTHON_EXECUTABLE)
 
+    SET(PYTHONINTERP_FOUND TRUE)
+
+#otherwise if not set, try to automatically find it
+ELSE(PYTHON_EXECUTABLE)
+
+    #use the built-in find script
+    FIND_PACKAGE(PythonInterp)
+
+    #and if that fails use the find program routine
     IF(NOT PYTHONINTERP_FOUND)
-        MESSAGE(FATAL_ERROR "Error: Python interpretor required by the build system.")
+        FIND_PROGRAM(PYTHON_EXECUTABLE python)
+        IF(PYTHON_EXECUTABLE)
+            SET(PYTHONINTERP_FOUND TRUE)
+        ENDIF(PYTHON_EXECUTABLE)
     ENDIF(NOT PYTHONINTERP_FOUND)
-ENDIF(NOT DEFINED PYTHON_EXECUTABLE)
+
+ENDIF(PYTHON_EXECUTABLE)
+
+#make the path to the executable appear in the cmake gui
+SET(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE PYTHON_EXECUTABLE "python interpreter")
+
+IF(NOT PYTHONINTERP_FOUND)
+    MESSAGE(FATAL_ERROR "Error: Python interpretor required by the build system.")
+ENDIF(NOT PYTHONINTERP_FOUND)
 
 MACRO(PYTHON_CHECK_MODULE desc mod cmd have)
     MESSAGE(STATUS "")
diff --git a/host/config/Version.cmake b/host/Modules/UHDVersion.cmake
index 839db7833..fc2e2bbbd 100644
--- a/host/config/Version.cmake
+++ b/host/Modules/UHDVersion.cmake
@@ -16,6 +16,9 @@
 #
 
 ########################################################################
+INCLUDE(UHDPython) #requires python for parsing
+
+########################################################################
 # Setup Version Numbers
 ########################################################################
 SET(UHD_VERSION_MAJOR 0001) #API compatibility number
@@ -28,9 +31,7 @@ SET(UHD_VERSION_PATCH 0)    #Short hash of git commit
 MESSAGE(STATUS "")
 MESSAGE(STATUS "Checking for git")
 FIND_PROGRAM(GIT git)
-IF(${GIT} STREQUAL "GIT-NOTFOUND")
-    MESSAGE(STATUS "Checking for git - not found")
-ELSE(${GIT} STREQUAL "GIT-NOTFOUND")
+IF(GIT)
     MESSAGE(STATUS "Checking for git - found")
 
     #grab the git log entry for the current head
@@ -62,4 +63,6 @@ ELSE(${GIT} STREQUAL "GIT-NOTFOUND")
     )
     SET(UHD_VERSION_PATCH ${_git_rev})
 
-ENDIF(${GIT} STREQUAL "GIT-NOTFOUND")
+ELSE(GIT)
+    MESSAGE(STATUS "Checking for git - not found")
+ENDIF(GIT)
diff --git a/host/config/cmake_uninstall.cmake.in b/host/cmake_uninstall.cmake.in
index 6031a6ca9..6031a6ca9 100644
--- a/host/config/cmake_uninstall.cmake.in
+++ b/host/cmake_uninstall.cmake.in
diff --git a/host/docs/CMakeLists.txt b/host/docs/CMakeLists.txt
index d6a7801bf..54e0d589c 100644
--- a/host/docs/CMakeLists.txt
+++ b/host/docs/CMakeLists.txt
@@ -38,17 +38,15 @@ SET(manual_sources
 MESSAGE(STATUS "")
 MESSAGE(STATUS "Checking for rst2html (docutils)")
 FIND_PROGRAM(RST2HTML rst2html)
-IF(${RST2HTML} STREQUAL "RST2HTML-NOTFOUND")
-    MESSAGE(STATUS "Checking for rst2html (docutils) - not found")
-    MESSAGE(STATUS "  Disabled generation of HTML manual.")
-    SET(HAVE_RST2HTML FALSE)
-ELSE(${RST2HTML} STREQUAL "RST2HTML-NOTFOUND")
+IF(RST2HTML)
     MESSAGE(STATUS "Checking for rst2html (docutils) - found")
     MESSAGE(STATUS "  Enabled generation of HTML manual.")
-    SET(HAVE_RST2HTML TRUE)
-ENDIF(${RST2HTML} STREQUAL "RST2HTML-NOTFOUND")
+ELSE(RST2HTML)
+    MESSAGE(STATUS "Checking for rst2html (docutils) - not found")
+    MESSAGE(STATUS "  Disabled generation of HTML manual.")
+ENDIF(RST2HTML)
 
-LIBUHD_REGISTER_COMPONENT("Manual" ENABLE_MANUAL ON "HAVE_RST2HTML" OFF)
+LIBUHD_REGISTER_COMPONENT("Manual" ENABLE_MANUAL ON "RST2HTML" OFF)
 
 IF(ENABLE_MANUAL)
     #setup rst2html options
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt
index ce2ca9640..ac131b217 100644
--- a/host/examples/CMakeLists.txt
+++ b/host/examples/CMakeLists.txt
@@ -40,7 +40,7 @@ ENDFOREACH(example_source)
 ########################################################################
 # ASCII Art DFT - requires curses, so this part is optional
 ########################################################################
-INCLUDE(FindCurses)
+FIND_PACKAGE(Curses)
 
 IF(CURSES_FOUND)
     INCLUDE_DIRECTORIES(${CURSES_INCLUDE_DIR})
diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index 28e4bcca2..fa5d6b67b 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -18,6 +18,8 @@
 ########################################################################
 # Check Python Modules
 ########################################################################
+INCLUDE(UHDPython)
+
 PYTHON_CHECK_MODULE(
     "Python version 2.6 or greater"
     "platform" "platform.python_version() >= '2.6'"
diff --git a/host/lib/transport/CMakeLists.txt b/host/lib/transport/CMakeLists.txt
index de2f1fdd0..5602e47a7 100644
--- a/host/lib/transport/CMakeLists.txt
+++ b/host/lib/transport/CMakeLists.txt
@@ -22,8 +22,7 @@
 ########################################################################
 # Setup libusb
 ########################################################################
-LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
-FIND_PACKAGE(USB1 REQUIRED)
+FIND_PACKAGE(USB1)
 
 LIBUHD_REGISTER_COMPONENT("USB" ENABLE_USB ON "ENABLE_LIBUHD;LIBUSB_FOUND" OFF)
 
diff --git a/host/lib/usrp/usrp_e100/CMakeLists.txt b/host/lib/usrp/usrp_e100/CMakeLists.txt
index 5d8a9791d..c32dd87f8 100644
--- a/host/lib/usrp/usrp_e100/CMakeLists.txt
+++ b/host/lib/usrp/usrp_e100/CMakeLists.txt
@@ -22,7 +22,11 @@
 ########################################################################
 # Conditionally configure the USRP-E100 support
 ########################################################################
-LIBUHD_REGISTER_COMPONENT("USRP-E100" ENABLE_USRP_E100 OFF "ENABLE_LIBUHD" ON)
+IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    SET(LINUX_TARGET TRUE)
+ENDIF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+
+LIBUHD_REGISTER_COMPONENT("USRP-E100" ENABLE_USRP_E100 OFF "ENABLE_LIBUHD;LINUX_TARGET" OFF)
 
 IF(ENABLE_USRP_E100)
     INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/include)