| Geant4 Cross Reference |
1 #[============================================ 1 #[=======================================================================[.rst:
2 FindPythia8 2 FindPythia8
3 --------- 3 ---------
4 4
5 Find the Pythia8 event generator headers and l 5 Find the Pythia8 event generator headers and library.
6 6
7 Imported Targets 7 Imported Targets
8 ^^^^^^^^^^^^^^^^ 8 ^^^^^^^^^^^^^^^^
9 9
10 This module defines the following :prop_tgt:`I 10 This module defines the following :prop_tgt:`IMPORTED` targets:
11 11
12 ``Pythia8::Pythia8`` 12 ``Pythia8::Pythia8``
13 The Pythia8 ``pythia8`` library, if found. 13 The Pythia8 ``pythia8`` library, if found.
14 14
15 Result Variables 15 Result Variables
16 ^^^^^^^^^^^^^^^^ 16 ^^^^^^^^^^^^^^^^
17 17
18 This module will set the following variables i 18 This module will set the following variables in your project:
19 19
20 ``Pythia8_FOUND`` 20 ``Pythia8_FOUND``
21 true if the Pythia8 headers and libraries we 21 true if the Pythia8 headers and libraries were found.
22 22
23 Hints 23 Hints
24 ^^^^^ 24 ^^^^^
25 25
26 A user may set ``Pythia8_ROOT`` to a Pythia8 i 26 A user may set ``Pythia8_ROOT`` to a Pythia8 installation root to tell this
27 module where to look. 27 module where to look.
28 28
29 #]============================================ 29 #]=======================================================================]
30 30
31 # WE ONLY ALLOW USE OF THIS MODULE IN GEANT4 O 31 # WE ONLY ALLOW USE OF THIS MODULE IN GEANT4 OR py8decayer EXAMPLE
32 if(NOT PROJECT_NAME MATCHES "Geant4|py8decayer 32 if(NOT PROJECT_NAME MATCHES "Geant4|py8decayer")
33 message(FATAL_ERROR "This FindPythia8.cmake 33 message(FATAL_ERROR "This FindPythia8.cmake module is only supported for use in Geant4's py8decayer "
34 "extended example. No support or extension 34 "extended example. No support or extension of this module for use outside of this example "
35 "will be provided.") 35 "will be provided.")
36 endif() 36 endif()
37 37
38 # Look for the header file 38 # Look for the header file
39 find_path(Pythia8_INCLUDE_DIR 39 find_path(Pythia8_INCLUDE_DIR
40 NAMES Pythia8/Pythia.h 40 NAMES Pythia8/Pythia.h
41 HINTS ${Pythia8_ROOT}/include) 41 HINTS ${Pythia8_ROOT}/include)
42 42
43 if(NOT Pythia8_LIBRARY) 43 if(NOT Pythia8_LIBRARY)
44 find_library(Pythia8_LIBRARY 44 find_library(Pythia8_LIBRARY
45 NAMES pythia8 Pythia8 45 NAMES pythia8 Pythia8
46 HINTS ${Pythia8_ROOT}/lib ${Pythia8_ROOT}/ 46 HINTS ${Pythia8_ROOT}/lib ${Pythia8_ROOT}/lib64)
47 endif() 47 endif()
48 48
49 # Determine the version 49 # Determine the version
50 if(Pythia8_INCLUDE_DIR AND EXISTS "${Pythia8_I 50 if(Pythia8_INCLUDE_DIR AND EXISTS "${Pythia8_INCLUDE_DIR}/Pythia8/Pythia.h")
51 file(STRINGS "${Pythia8_INCLUDE_DIR}/Pythia8 51 file(STRINGS "${Pythia8_INCLUDE_DIR}/Pythia8/Pythia.h" PYTHIA8_H REGEX "^#define PYTHIA_VERSION.*$")
52 if(PYTHIA8_H MATCHES "PYTHIA_VERSION ([0-9]\ 52 if(PYTHIA8_H MATCHES "PYTHIA_VERSION ([0-9]\\.[0-9]+)$")
53 set(Pythia8_VERSION "${CMAKE_MATCH_1}") 53 set(Pythia8_VERSION "${CMAKE_MATCH_1}")
54 else() 54 else()
55 set(Pythia8_VERSION "") 55 set(Pythia8_VERSION "")
56 endif() 56 endif()
57 endif() 57 endif()
58 58
59 # handle the QUIETLY and REQUIRED arguments an 59 # handle the QUIETLY and REQUIRED arguments and set Pythia8_FOUND to TRUE if
60 # all listed variables are TRUE 60 # all listed variables are TRUE
61 include(FindPackageHandleStandardArgs) 61 include(FindPackageHandleStandardArgs)
62 find_package_handle_standard_args(Pythia8 62 find_package_handle_standard_args(Pythia8
63 REQUIRED_VARS Pythia8_INCLUDE_DIR Pythia8_LI 63 REQUIRED_VARS Pythia8_INCLUDE_DIR Pythia8_LIBRARY
64 VERSION_VAR Pythia8_VERSION) 64 VERSION_VAR Pythia8_VERSION)
65 65
66 mark_as_advanced(Pythia8_INCLUDE_DIR Pythia8_L 66 mark_as_advanced(Pythia8_INCLUDE_DIR Pythia8_LIBRARY)
67 67
68 # Create imported target 68 # Create imported target
69 if(Pythia8_FOUND) 69 if(Pythia8_FOUND)
70 if(NOT TARGET Pythia8::Pythia8) 70 if(NOT TARGET Pythia8::Pythia8)
71 add_library(Pythia8::Pythia8 UNKNOWN IMPOR 71 add_library(Pythia8::Pythia8 UNKNOWN IMPORTED)
72 set_target_properties(Pythia8::Pythia8 PRO 72 set_target_properties(Pythia8::Pythia8 PROPERTIES
73 INTERFACE_INCLUDE_DIRECTORIES "${Pythia8 73 INTERFACE_INCLUDE_DIRECTORIES "${Pythia8_INCLUDE_DIR}"
74 IMPORTED_LOCATION ${Pythia8_LIBRARY}) 74 IMPORTED_LOCATION ${Pythia8_LIBRARY})
75 endif() 75 endif()
76 endif() 76 endif()