1 # **************************************************************************
2 # * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. *
4 # * Author: The ALICE Off-line Project. *
5 # * Contributors are mentioned in the code where appropriate. *
7 # * Permission to use, copy, modify and distribute this software and its *
8 # * documentation strictly for non-commercial purposes is hereby granted *
9 # * without fee, provided that the above copyright notice appears in all *
10 # * copies and that both the copyright notice and this permission notice *
11 # * appear in the supporting documentation. The authors make no claims *
12 # * about the suitability of this software for any purpose. It is *
13 # * provided "as is" without express or implied warranty. *
14 # **************************************************************************
16 # Checking for a proper ROOT installation based on the ROOTSYS variable
17 # received during configuration
18 # If proper root installation it is setting the following variables
19 # - ROOT_VERSION - ROOT version as reported by root-config
20 # - ROOT_VERSION_MAJOR
21 # - ROOT_VERSIOM_MINOR
22 # - ROOT_VERSION_PATCH
23 # - ROOT_CONFIG - path to root-config script
24 # - ROOT_CINT - path to rootcint executable
25 # - ROOT_LIBMAP - path to rlibmap executable
26 # - ROOT_FEATURES - list of build features for ROOT
27 # - ROOT_LIBDIR - full path to ROOT library folder
28 # - ROOT_ETCDIR - full path to the ROOT's configuration directory
29 # - ROOT_LIBRARIES - libraries needed for the package to be used
30 # - ROOT_GLIBRARIES - regular + GUI ROOT libraries + path to be used during linking
31 # - ROOT_INCLUDE_DIR - full path to ROOT include folder
32 # - ROOT_CXX_FLAGS - flags used by the C++ compiler for building ROOT
33 # - ROOT_HAS_LIBCXX - TRUE if ROOT was built against libc++ (as opposed to libstdc++)
34 # - ROOT_HAS_CXX11 - TRUE if ROOT was built with C++11 support
35 # - ROOT_HASALIEN - ROOT was built with AliEn support
36 # - ROOT_HASOPENGL - ROOT was built with OpenGL support
37 # - ROOT_HASXML - ROOT was built with XML support
38 # - ROOT_HASMONALISA - ROOT was built with MonAlisa support - needed by SHUTTLE
39 # - ROOT_FORTRAN - fortran compiler
44 message(STATUS "Checking for a proper ROOT installation in ${ROOTSYS}.")
47 set(ROOT_LIBDIR ${ROOTSYS}/lib)
48 set(ROOT_INCLUDE_DIR ${ROOTSYS}/include)
50 # Check for root-config scripts
51 find_program(ROOT_CONFIG NAMES root-config PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
54 message(FATAL_ERROR "Could not find root-config script.")
55 endif(NOT ROOT_CONFIG)
56 mark_as_advanced(ROOT_CONFIG)
59 find_program(ROOT_LIBMAP NAMES rlibmap rootcling PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
61 message(STATUS "Found ${ROOT_LIBMAP}")
63 message(FATAL_ERROR "Could not find rlibmap executable.")
65 mark_as_advanced(ROOT_LIBMAP)
68 find_program(ROOT_CINT NAMES rootcint PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
70 message(STATUS "Found ${ROOT_CINT}")
72 message(FATAL_ERROR "Could not find rootcint executable.")
74 mark_as_advanced(ROOT_CINT)
76 # Checking ROOT version
77 execute_process(COMMAND ${ROOT_CONFIG} --version OUTPUT_VARIABLE ROOT_VERSION ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
79 message(FATAL_ERROR "Error retrieving ROOT version : ${error}")
81 string(STRIP "${ROOT_VERSION}" ROOT_VERSION)
83 # Extract major, minor, and patch versions from
84 string(REGEX REPLACE "^([0-9]+)\\.[0-9][0-9]+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MAJOR "${ROOT_VERSION}")
85 string(REGEX REPLACE "^[0-9]+\\.([0-9][0-9])+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MINOR "${ROOT_VERSION}")
86 string(REGEX REPLACE "^[0-9]+\\.[0-9][0-9]+\\/([0-9][0-9]+).*" "\\1" ROOT_VERSION_PATCH "${ROOT_VERSION}")
87 message(STATUS "Found ROOT version ${ROOT_VERSION_MAJOR}.${ROOT_VERSION_MINOR}.${ROOT_VERSION_PATCH}")
90 execute_process(COMMAND ${ROOT_CONFIG} --features OUTPUT_VARIABLE ROOT_FEATURES ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
92 message(FATAL_ERROR "Error retrieving ROOT features : ${error}")
94 message(STATUS "ROOT was built with the following features: ${ROOT_FEATURES}")
96 string(STRIP "${ROOT_FEATURES}" ROOT_FEATURES)
98 # Checking for ROOT libdir
99 execute_process(COMMAND ${ROOT_CONFIG} --libdir OUTPUT_VARIABLE ROOT_LIBDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
101 message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
103 string(STRIP "${ROOT_LIBDIR}" ROOT_LIBDIR)
105 # Checking for ROOT etcdir
106 execute_process(COMMAND ${ROOT_CONFIG} --etcdir OUTPUT_VARIABLE ROOT_ETCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
108 message(FATAL_ERROR "Error retrieving ROOT etcdir: ${error}")
110 string(STRIP "${ROOT_ETCDIR}" ROOT_ETCDIR)
112 # Checking for ROOT libs
113 execute_process(COMMAND ${ROOT_CONFIG} --noldflags --libs OUTPUT_VARIABLE ROOT_LIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
115 message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
117 string(STRIP "${ROOT_LIBS}" ROOT_LIBS)
119 foreach(lib ${ROOT_LIBS})
120 string(REPLACE "-rdynamic" "" new_lib ${lib})
121 string(REPLACE "-l" "" lib ${new_lib})
122 set(ROOT_LIBRARIES ${ROOT_LIBRARIES} ${lib})
124 string(STRIP "${ROOT_LIBRARIES}" ROOT_LIBRARIES)
125 separate_arguments(ROOT_LIBRARIES)
127 # Checking for ROOT incdir
128 execute_process(COMMAND ${ROOT_CONFIG} --incdir OUTPUT_VARIABLE ROOT_INCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
130 message(FATAL_ERROR "Error retrieving ROOT incdir: ${error}")
132 string(STRIP "${ROOT_INCDIR}" ROOT_INCDIR)
133 set(ROOT_INCLUDE_DIR ${ROOT_INCDIR})
135 # Setting ROOT compiler flags (except the -I parts) to a variable
136 execute_process(COMMAND ${ROOT_CONFIG} --auxcflags OUTPUT_VARIABLE _ROOT_CXX_FLAGS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
138 message(FATAL_ERROR "Error retrieving ROOT compiler flags: ${error}")
140 string(STRIP "${_ROOT_CXX_FLAGS}" ROOT_CXX_FLAGS)
142 # Check if ROOT was built with libc++ (as opposed to stdlibc++)
143 if(ROOT_CXX_FLAGS MATCHES "-stdlib=libc\\+\\+")
144 set(ROOT_HAS_LIBCXX TRUE)
146 set(ROOT_HAS_LIBCXX FALSE)
149 # Check if ROOT was built with C++11 support
150 if(ROOT_CXX_FLAGS MATCHES "-std=c\\+\\+11")
151 message(STATUS "ROOT was built with C++11 support")
152 set(ROOT_HAS_CXX11 TRUE)
154 set(ROOT_HAS_CXX11 FALSE)
158 execute_process(COMMAND ${ROOT_CONFIG} --noldflags --glibs OUTPUT_VARIABLE ROOT_GLIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
160 message(FATAL_ERROR "Error retrieving ROOT glibs: ${error}")
164 string(STRIP "${ROOT_GLIBS}" ROOT_GLIBS)
166 foreach(lib ${ROOT_GLIBS})
167 string(REPLACE "-rdynamic" "" new_lib "${lib}")
168 string(REPLACE "-l" "" lib "${new_lib}")
169 set(ROOT_GLIBRARIES ${ROOT_GLIBRARIES} ${lib})
171 string(STRIP "${ROOT_GLIBRARIES}" ROOT_GLIBRARIES)
172 separate_arguments(ROOT_GLIBRARIES)
174 # Checking for AliEn support
175 # If AliEn support is enabled we need to point to AliEn
176 execute_process(COMMAND ${ROOT_CONFIG} --has-alien OUTPUT_VARIABLE ROOT_HASALIEN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
178 message(FATAL_ERROR "Error checking if ROOT was built with AliEn support: ${error}")
183 string(STRIP "${ROOT_HASALIEN}" ROOT_HASALIEN)
184 if(ROOT_HASALIEN STREQUAL "yes")
186 add_definitions(-DWITHALIEN)
188 # AliEn might bring some system libraries, we need to use them
189 if(EXISTS "${ALIEN}/lib")
190 link_directories(${ALIEN}/lib)
193 # api/lib should always exists
194 if(EXISTS "${ALIEN}/api/lib")
195 link_directories(${ALIEN}/api/lib)
199 if(EXISTS "${ALIEN}/include")
200 include_directories(SYSTEM ${ALIEN}/include)
203 # api/include always exists
204 if(EXISTS "${ALIEN}/api/include")
205 include_directories(SYSTEM ${ALIEN}/api/include)
208 set(ROOT_HASALIEN TRUE)
210 message(FATAL_ERROR "ROOT was built with AliEn support but no AliEn installation found. Please set \"ALIEN\" to point to your AliEn installation.")
213 set(ROOT_HASALIEN FALSE)
217 # Checking for xml support
218 execute_process(COMMAND ${ROOT_CONFIG} --has-xml OUTPUT_VARIABLE ROOT_HASXML ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
220 message(FATAL_ERROR "Error checking if ROOT was built with xml support: ${error}")
225 string(STRIP "${ROOT_HASXML}" ROOT_HASXML)
226 if(ROOT_HASXML STREQUAL "yes")
227 add_definitions(-DWITHXML)
228 set(ROOT_HASXML TRUE)
230 set(ROOT_HASXML FALSE)
234 # Checking for monalisa support
235 execute_process(COMMAND ${ROOT_CONFIG} --has-monalisa OUTPUT_VARIABLE ROOT_HASMONALISA ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
237 message(FATAL_ERROR "Error checking if ROOT was built with monalisa support: ${error}")
242 string(STRIP "${ROOT_HASMONALISA}" ROOT_HASMONALISA)
243 if(ROOT_HASMONALISA STREQUAL "yes")
244 set(ROOT_HASMONALISA TRUE)
246 set(ROOT_HASMONALISA FALSE)
248 endif(ROOT_HASMONALISA)
250 # Checking for OpenGL support
251 execute_process(COMMAND ${ROOT_CONFIG} --has-opengl OUTPUT_VARIABLE ROOT_HASOPENGL ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
253 message(FATAL_ERROR "Error checking if ROOT was built with OpenGL support: ${error}")
257 string(STRIP "${ROOT_HASOPENGL}" ROOT_HASOPENGL)
258 if(ROOT_HASOPENGL STREQUAL "yes")
259 set(ROOT_HASOPENGL TRUE)
261 set(ROOT_HASOPENGL FALSE)
265 # Checking for fortran compiler
266 execute_process(COMMAND ${ROOT_CONFIG} --f77 OUTPUT_VARIABLE ROOT_FORTRAN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
268 message(FATAL_ERROR "Error checking ROOT fortran compiler: ${error}")
270 string(STRIP "${ROOT_FORTRAN}" ROOT_FORTRAN)
272 # adding the libraries and the inc dir
273 link_directories(${ROOT_LIBDIR})
274 # include_directories(SYSTEM ${ROOT_INCLUDE_DIR})
277 # Workaround misssing XML, VMC, Minuit from ROOT static library
278 # Also adding libzma.a libfreetype.a libpcre.a
279 # To be removed where https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed
281 message(WARNING "AliRoot static build enabled! libRootExtra.a will be created.\nPlease remove when ROOT https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed")
283 # ROOT needs xml2 but it is not built with the static version so we have to add it
284 find_package(LibXml2)
289 find_package(OpenSSL)
292 file(GLOB _extraroot "${ROOTSYS}/montercarlo/vmc/src/*.o" "${ROOTSYS}/tree/treeplayer/src/*.o" "${ROOTSYS}/io/xmlparser/src/*.o" "${ROOTSYS}/math/minuit2/src/*.o")
293 add_library(RootExtra STATIC ${_extraroot})
294 set_target_properties(RootExtra PROPERTIES COMPILE_FLAGS "${LIBXML2_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR}")
295 set_target_properties(RootExtra PROPERTIES LINKER_LANGUAGE CXX)
296 target_link_libraries(RootExtra ${ROOT_LIBDIR}/libfreetype.a ${ROOT_LIBDIR}/libpcre.a ${ROOT_LIBDIR}/liblzma.a ${LIBXML2_LIBRARIES} ${OPENSSL_LIBRARIES})
298 message(FATAL_ERROR "OpenSSL not found. Coould not generate the static RootExtra. Please install Openssl")
301 message(FATAL_ERROR "libxml2 not found. Can not generate the static RootExtra. Please install libxml2")
303 endif(ALIROOT_STATIC)
305 message(FATAL_ERROR "ROOT installation not found! Please point to the ROOT installation using -DROOTSYS=ROOT_INSTALL_DIR.")