added query to check if root is sourced, if not will look for install from repository

CMakeLists.txt

@@ -4,9 +4,20 @@ project(Pawian)
 set(CXX_STANDARD 17)
 set(CXX_STANDARD_REQUIRED ON)
 
+if(DEFINED ENV{ROOTSYS})  
+  set(ROOT_INCLUDE_DIRS "$ENV{ROOTSYS}/include")
+  set(ROOT_LIBRARIES "$ENV{ROOTSYS}/lib")
+  MESSAGE(STATUS "found env var ROOTSYS")
+  MESSAGE(STATUS "root include path is: ${ROOT_INCLUDE_DIRS}")
+  MESSAGE(STATUS "root lib path is: ${ROOT_LIBRARIES}")
+else()
+  MESSAGE(STATUS "ROOTSYS not defined using find_package(ROOT)")
+  find_package(ROOT)
+endif()
+
 find_package(Boost)
 find_package(Boost COMPONENTS program_options unit_test_framework serialization filesystem timer REQUIRED)
-find_package(ROOT)
+
 find_package(GSL REQUIRED)
 
 #include_directories(

FitParams/CMakeLists.txt

@@ -15,7 +15,7 @@ target_include_directories(FitParams
 )
 
 target_link_libraries(FitParams  
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
 )
 
 install(TARGETS FitParams
@@ -38,7 +38,7 @@ target_link_libraries(StreamerTestApp
   ConfigParser
   qft++Extension
   ErrLogger
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
 )
 
 add_executable(PwaCovMatrixApp

KMatrixExtract/CMakeLists.txt

@@ -16,7 +16,7 @@ target_include_directories(KMatrixExtract
 )
 
 target_link_libraries(KMatrixExtract    
-  ROOT::Minuit2 
+  ${ROOT_LIBRARIES}/libMinuit2.so 
 )
 
 install(TARGETS KMatrixExtract

MinFunctions/CMakeLists.txt

@@ -25,7 +25,7 @@ target_link_libraries(MinFunctions
   PwaDynamics
   PspGen
   PwaUtils
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
   ${Boost_LIBRARIES}
 )
 

PwaDynamics/CMakeLists.txt

@@ -20,7 +20,7 @@ target_link_libraries(PwaDynamics
   qft++
   qft++Extension
   ErrLogger
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
 )
 
 install(TARGETS PwaDynamics

ggUtils/CMakeLists.txt

@@ -16,7 +16,7 @@ target_include_directories(ggUtils
 )
 
 target_link_libraries(ggUtils
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
 )
 
 install(TARGETS ggUtils

gslUtils/CMakeLists.txt

@@ -22,7 +22,7 @@ target_link_libraries(gslUtils
   qft++
   qft++Extension
   ErrLogger
-  ROOT::Minuit2
+  ${ROOT_LIBRARIES}/libMinuit2.so
   GSL::gsl
   GSL::gslcblas
 )