1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
# Try to find the MPC library - the complex MPFR
find_path(MPC_INCLUDES NAMES mpc.h PATHS $ENV{MPCDIR}
${INCLUDE_INSTALL_DIR})
# Set MPC_FIND_VERSION to 1.0.0 if no minimum version is specified
if(NOT MPC_FIND_VERSION)
if(NOT MPC_FIND_VERSION_MAJOR)
set(MPC_FIND_VERSION_MAJOR 1)
endif()
if(NOT MPC_FIND_VERSION_MINOR)
set(MPC_FIND_VERSION_MINOR 0)
endif()
if(NOT MPC_FIND_VERSION_PATCH)
set(MPC_FIND_VERSION_PATCH 0)
endif()
set(MPC_FIND_VERSION
"${MPC_FIND_VERSION_MAJOR}.${MPC_FIND_VERSION_MINOR}.${MPC_FIND_VERSION_PATCH}")
endif()
if(MPC_INCLUDES)
# Query MPC_VERSION
file(READ "${MPC_INCLUDES}/mpc.h" _mpc_version_header)
string(REGEX MATCH "define[ \t]+MPC_VERSION_MAJOR[ \t]+([0-9]+)"
_mpc_major_version_match "${_mpc_version_header}")
set(MPC_MAJOR_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define[ \t]+MPC_VERSION_MINOR[ \t]+([0-9]+)"
_mpc_minor_version_match "${_mpc_version_header}")
set(MPC_MINOR_VERSION "${CMAKE_MATCH_1}")
string(REGEX MATCH "define[ \t]+MPC_VERSION_PATCHLEVEL[ \t]+([0-9]+)"
_mpc_patchlevel_version_match "${_mpc_version_header}")
set(MPC_PATCHLEVEL_VERSION "${CMAKE_MATCH_1}")
set(MPC_VERSION
${MPC_MAJOR_VERSION}.${MPC_MINOR_VERSION}.${MPC_PATCHLEVEL_VERSION})
# Check whether found version exceeds minimum required
if(${MPC_VERSION} VERSION_LESS ${MPC_FIND_VERSION})
set(MPC_VERSION_OK FALSE)
message(STATUS "MPC version ${MPC_VERSION} found in ${MPC_INCLUDES}, "
"but at least version ${MPC_FIND_VERSION} is required")
else()
set(MPC_VERSION_OK TRUE)
endif()
endif()
find_library(MPC_LIBRARIES mpc
PATHS $ENV{MPCDIR} ${LIB_INSTALL_DIR})
MESSAGE(STATUS "Will now try to find MPC library http://www.multiprecision.org/mpc/, debian package libmpc-dev")
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MPC DEFAULT_MSG
MPC_INCLUDES MPC_LIBRARIES MPC_VERSION_OK)
mark_as_advanced(MPC_INCLUDES MPC_LIBRARIES)
|
