summaryrefslogtreecommitdiffstats
path: root/Modules/CMakeDetermineASMCompiler.cmake
blob: a56020fb676418ee67e459ac0d86b9d6e5674fff (plain)
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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169

#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

# determine the compiler to use for ASM programs

INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)

IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
  # prefer the environment variable ASM
  IF($ENV{ASM${ASM_DIALECT}} MATCHES ".+")
    SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT "$ENV{ASM${ASM_DIALECT}}")
  ENDIF($ENV{ASM${ASM_DIALECT}} MATCHES ".+")

  # finally list compilers to try
  IF("ASM${ASM_DIALECT}" STREQUAL "ASM") # the generic assembler support
    IF(NOT CMAKE_ASM_COMPILER_INIT)
      IF(CMAKE_C_COMPILER)
        SET(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}" CACHE FILEPATH "The ASM compiler")
        SET(CMAKE_ASM_COMPILER_ID "${CMAKE_C_COMPILER_ID}")
      ELSEIF(CMAKE_CXX_COMPILER)
        SET(CMAKE_ASM_COMPILER "${CMAKE_CXX_COMPILER}" CACHE FILEPATH "The ASM compiler")
        SET(CMAKE_ASM_COMPILER_ID "${CMAKE_CXX_COMPILER_ID}")
      ELSE()
        # List all default C and CXX compilers
        SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}gcc ${_CMAKE_TOOLCHAIN_PREFIX}cc cl bcc xlc
                                                  ${_CMAKE_TOOLCHAIN_PREFIX}c++ ${_CMAKE_TOOLCHAIN_PREFIX}g++ CC aCC cl bcc xlC)
      ENDIF()
    ENDIF()
  ELSE() # some specific assembler "dialect"
    IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT)
      MESSAGE(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_INIT must be preset !")
    ENDIF()
  ENDIF()

  # Find the compiler.
  _cmake_find_compiler(ASM${ASM_DIALECT})

ELSE(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)

  # we only get here if CMAKE_ASM${ASM_DIALECT}_COMPILER was specified using -D or a pre-made CMakeCache.txt
  # (e.g. via ctest) or set in CMAKE_TOOLCHAIN_FILE
  #
  # if a compiler was specified by the user but without path,
  # now try to find it with the full path
  # if it is found, force it into the cache,
  # if not, don't overwrite the setting (which was given by the user) with "NOTFOUND"
  GET_FILENAME_COMPONENT(_CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
  IF(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
    FIND_PROGRAM(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH NAMES ${CMAKE_ASM${ASM_DIALECT}_COMPILER})
    MARK_AS_ADVANCED(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
    IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
      SET(CMAKE_ASM${ASM_DIALECT}_COMPILER ${CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH} CACHE FILEPATH "Assembler" FORCE)
    ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_WITH_PATH)
  ENDIF(NOT _CMAKE_USER_ASM${ASM_DIALECT}_COMPILER_PATH)
ENDIF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER)
MARK_AS_ADVANCED(CMAKE_ASM${ASM_DIALECT}_COMPILER)

IF (NOT _CMAKE_TOOLCHAIN_LOCATION)
  GET_FILENAME_COMPONENT(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" PATH)
ENDIF (NOT _CMAKE_TOOLCHAIN_LOCATION)


IF(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)

  # Table of per-vendor compiler id flags with expected output.
  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS GNU )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_GNU "--version")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_GNU "(GNU assembler)|(GCC)|(Free Software Foundation)")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS HP )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_HP "-V")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_HP "HP C")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS Intel )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_Intel "--version")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_Intel "(ICC)")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS SunPro )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_SunPro "-V")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_SunPro "Sun C")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS XL )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_XL "-qversion")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_XL "XL C")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS MSVC )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_MSVC "/?")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_MSVC "Microsoft")

  LIST(APPEND CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDORS TI_DSP )
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_FLAGS_TI_DSP "-h")
  SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_VENDOR_REGEX_TI_DSP "Texas Instruments")

  INCLUDE(CMakeDetermineCompilerId)
  CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT})

ENDIF()

IF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
  MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
  MESSAGE(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)



# If we have a gas/as cross compiler, they have usually some prefix, like
# e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas , optionally
# with a 3-component version number at the end
# The other tools of the toolchain usually have the same prefix
# NAME_WE cannot be used since then this test will fail for names lile
# "arm-unknown-nto-qnx6.3.0-gas.exe", where BASENAME would be
# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-"
IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
  GET_FILENAME_COMPONENT(COMPILER_BASENAME "${CMAKE_ASM${ASM_DIALECT}_COMPILER}" NAME)
  IF (COMPILER_BASENAME MATCHES "^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
    SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
  ENDIF (COMPILER_BASENAME MATCHES "^(.+-)g?as(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)

# Now try the C compiler regexp:
IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
  IF (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
    SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
  ENDIF (COMPILER_BASENAME MATCHES "^(.+-)g?cc(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)

# Finally try the CXX compiler regexp:
IF (NOT _CMAKE_TOOLCHAIN_PREFIX)
  IF (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
    SET(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1})
  ENDIF (COMPILER_BASENAME MATCHES "^(.+-)[gc]\\+\\+(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$")
ENDIF (NOT _CMAKE_TOOLCHAIN_PREFIX)


INCLUDE(CMakeFindBinUtils)

SET(CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR "ASM${ASM_DIALECT}")

IF(CMAKE_ASM${ASM_DIALECT}_COMPILER)
  MESSAGE(STATUS "Found assembler: ${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
ELSE(CMAKE_ASM${ASM_DIALECT}_COMPILER)
  MESSAGE(STATUS "Didn't find assembler")
ENDIF(CMAKE_ASM${ASM_DIALECT}_COMPILER)


SET(_CMAKE_ASM_COMPILER "${CMAKE_ASM${ASM_DIALECT}_COMPILER}")
SET(_CMAKE_ASM_COMPILER_ID "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}")
SET(_CMAKE_ASM_COMPILER_ARG1 "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARG1}")
SET(_CMAKE_ASM_COMPILER_ENV_VAR "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ENV_VAR}")

# configure variables set in this file for fast reload later on
CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeASMCompiler.cmake.in
  ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeASM${ASM_DIALECT}Compiler.cmake IMMEDIATE @ONLY)

SET(_CMAKE_ASM_COMPILER)
SET(_CMAKE_ASM_COMPILER_ARG1)
SET(_CMAKE_ASM_COMPILER_ENV_VAR)