From 707a25bda3110f870f9f9d927cd19dd62da1edc4 Mon Sep 17 00:00:00 2001
From: Guilhem Lavaux <guilhem.lavaux@gmail.com>
Date: Sat, 10 Nov 2012 11:10:04 -0500
Subject: [PATCH] Build the sharp dependency

---
 CMakeLists.txt            | 15 +++++++++++++--
 sample/CMakeLists.txt     |  8 ++++----
 sample/test_fft_calls.cpp |  3 +++
 3 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e04a42b..6568ea4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}")
 project(CosmoToolbox)
 
 include(GetGitRevisionDescription)
+include(ExternalProject)
 
 get_git_head_revision(HEAD GIT_VER)
 
@@ -27,8 +28,18 @@ find_library(NETCDFCPP_LIBRARY NAMES netcdf_c++ netcdf_c++4)
 find_library(GSL_LIBRARY gsl)
 find_library(GSLCBLAS_LIBRARY gslcblas)
 
-find_library(SHARP_LIBRARY sharp)
-find_path(SHARP_INCLUDE_PATH sharp.h)
+SET(SHARP_SOURCE ${CMAKE_SOURCE_DIR}/external/sharp)
+SET(DEP_BUILD ${CMAKE_SOURCE_DIR}/external/sharp/auto)
+ExternalProject_Add(sharp
+  SOURCE_DIR ${SHARP_SOURCE}
+  BUILD_IN_SOURCE 1 
+  CONFIGURE_COMMAND ${SHARP_SOURCE}/configure --prefix=${DEP_BUILD}
+  BUILD_COMMAND make
+  INSTALL_COMMAND echo "No install"
+)
+
+SET(SHARP_LIBRARY ${DEP_BUILD}/lib/libsharp.a)
+SET(SHARP_INCLUDE_PATH ${DEP_BUILD}/include)
 
 set(HDF5_FIND_COMPONENTS HL CXX)
 if(HDF5_ROOTDIR)
diff --git a/sample/CMakeLists.txt b/sample/CMakeLists.txt
index a437ff9..52b5ba2 100644
--- a/sample/CMakeLists.txt
+++ b/sample/CMakeLists.txt
@@ -49,7 +49,7 @@ if (FFTW3_FOUND AND EIGEN3_FOUND)
   target_link_libraries(test_fft_calls ${tolink} ${FFTW3_LIBRARIES})
 endif (FFTW3_FOUND AND EIGEN3_FOUND)
 
-if (SHARP_LIBRARY AND SHARP_INCLUDE_PATH AND EIGEN3_FOUND)
-  add_executable(test_sharp_calls test_sharp_calls.cpp)
-  target_link_libraries(test_sharp_calls ${tolink} ${SHARP_LIBRARY})
-endif (SHARP_LIBRARY AND SHARP_INCLUDE_PATH AND EIGEN3_FOUND)
\ No newline at end of file
+#if (SHARP_LIBRARY AND SHARP_INCLUDE_PATH AND EIGEN3_FOUND)
+#  add_executable(test_sharp_calls test_sharp_calls.cpp)
+#  target_link_libraries(test_sharp_calls ${tolink} ${SHARP_LIBRARY})
+#endif (SHARP_LIBRARY AND SHARP_INCLUDE_PATH AND EIGEN3_FOUND)
diff --git a/sample/test_fft_calls.cpp b/sample/test_fft_calls.cpp
index d633c14..06c1c9a 100644
--- a/sample/test_fft_calls.cpp
+++ b/sample/test_fft_calls.cpp
@@ -13,5 +13,8 @@ int main()
   dft.analysis();
   cout << "Map dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
   cout << "Fourier dot-product = " << dft.fourierSpace().dot_product(dft.fourierSpace()).real()*volume << endl;
+  dft.synthesis();
+  cout << "Resynthesis dot-product = " << dft.realSpace().dot_product(dft.realSpace()) << endl;
   return 0;
+
 }