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
57
58
59
60
|
# - Try to find the Glasgow Haskell Compiler executable
# Once done this will define
#
# GHC_VERSION - GHC version
# GHC_EXECUTABLE - GHC executable
# GHC_PKG_VERSION - ghc-pkg version
# GHC_PKG_EXECUTABLE - ghc-pkg executable
#
# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
find_program(GHC_EXECUTABLE
NAMES ghc
PATHS /opt/local/bin /usr/local/bin /usr/bin
)
find_program(GHC_PKG_EXECUTABLE
NAMES ghc-pkg
PATHS /opt/local/bin /usr/local/bin /usr/bin
)
if (GHC_EXECUTABLE)
# check ghc version
execute_process(COMMAND ${GHC_EXECUTABLE} -V
OUTPUT_VARIABLE GHC_VERSION_OUTPUT
ERROR_VARIABLE GHC_VERSION_ERROR
RESULT_VARIABLE GHC_VERSION_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${GHC_VERSION_RESULT} EQUAL 0)
string(REGEX MATCH "([0-9]+)" GHC_VERSION ${GHC_VERSION_OUTPUT})
else()
message(SEND_ERROR "Command \"${GHC_EXECUTABLE} -V\" failed with output: ${GHC_VERSION_ERROR}")
endif()
endif()
if (GHC_PKG_EXECUTABLE)
# check ghc-pkg version
execute_process(COMMAND ${GHC_PKG_EXECUTABLE} -V
OUTPUT_VARIABLE GHC_PKG_VERSION_OUTPUT
ERROR_VARIABLE GHC_PKG_VERSION_ERROR
RESULT_VARIABLE GHC_PKG_VERSION_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(${GHC_PKG_VERSION_RESULT} EQUAL 0)
string(REGEX MATCH "([0-9]+)" GHC_PKG_VERSION ${GHC_PKG_VERSION_OUTPUT})
else()
message(SEND_ERROR "Command \"${GHC_PKG_EXECUTABLE} -V\" failed with output: ${GHC_PKG_VERSION_ERROR}")
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GHC DEFAULT_MSG GHC_EXECUTABLE GHC_VERSION)
mark_as_advanced(GHC_VERSION)
|
