From 7eba2d792ff9336617c229d07ef545dd0b5918b8 Mon Sep 17 00:00:00 2001
From: Edoardo Pasca <edo.paskino@gmail.com>
Date: Tue, 6 Feb 2018 16:52:33 +0000
Subject: compile with OpenMP works on Windows

---
 Core/CMakeLists.txt | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/Core/CMakeLists.txt b/Core/CMakeLists.txt
index 070b45c..263b35c 100644
--- a/Core/CMakeLists.txt
+++ b/Core/CMakeLists.txt
@@ -33,7 +33,14 @@ if (Boost_FOUND)
    message("Boost library dir " ${Boost_LIBRARY_DIRS})
    message("Boost libraries " ${Boost_LIBRARIES})
 endif()
-	
+
+find_package(OpenMP)
+if (OPENMP_FOUND)
+    set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+    set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+endif()
+
 ## Build the regularizers package as a library
 message("Creating Regularizers as shared library")
 
@@ -42,7 +49,9 @@ message("CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}")
 set(CMAKE_BUILD_TYPE "Release")
 
 if(WIN32)
- set (FLAGS "/DWIN32 /EHsc /DBOOST_ALL_NO_LIB /openmp /DCCPiCore_EXPORTS")
+  set (FLAGS "/DWIN32 /EHsc /DBOOST_ALL_NO_LIB /DCCPiCore_EXPORTS /openmp")
+  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
+  set (CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
   set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /NODEFAULTLIB:MSVCRT.lib")
   
   set (EXTRA_LIBRARIES 
@@ -53,7 +62,10 @@ if(WIN32)
   message("library lib: ${LIBRARY_LIB}")
   
 elseif(UNIX)
-   set (FLAGS "-fopenmp -O2 -funsigned-char -Wall  -Wl,--no-undefined  -DCCPiReconstructionIterative_EXPORTS -std=c++0x")  
+   set (FLAGS "-O2 -funsigned-char -Wall  -Wl,--no-undefined  -DCCPiReconstructionIterative_EXPORTS -std=c++0x")  
+   set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
+   set (CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS}")
+  
    set (EXTRA_LIBRARIES 
 		${Boost_LIBRARIES}
 		#"tiff"
@@ -61,6 +73,8 @@ elseif(UNIX)
 		)
    
 endif()
+message("CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}")
+
 ## Build the regularizers package as a library
 message("Adding regularizers as shared library")
 
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