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ENH: move the code which queries gcc for the system include dirs from

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CMakeSystemSpecificInformation.cmake into a separate file,
CMakeEclipseCDT4.cmake
-if CMAKE_EXTRA_GENERATOR is set, i.e. either CodeBlocks or KDevelop3 or
EclipseCDT4, load a matching cmake script file, which can do things specific
for this generator
- added such files for Eclipse, KDevelop and CodeBlocks, one thing they all
do is they try to find the respective IDE and store it in the
CMAKE_(KDEVELOP3|CODEBLOCKS|ECLIPSE)_EXECUTABLE variable.
This could be used by cmake-gui to open the project it just generated with
the gui (not sure this is possible with eclipse).

Alex
This commit is contained in:
Alexander Neundorf 2009-05-10 06:00:27 -04:00
parent 2ab4e7df81
commit 352fb9ff66
4 changed files with 55 additions and 36 deletions
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5
Modules/CMakeCodeBlocks.cmake Normal file
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@ -0,0 +1,5 @@
# This file is included in CMakeSystemSpecificInformation.cmake if
# the CodeBlocks extra generator has been selected.
FIND_PROGRAM(CMAKE_CODEBLOCKS_EXECUTABLE NAMES codeblocks DOC "The CodeBlocks executable")

39
Modules/CMakeEclipseCDT4.cmake Normal file
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@ -0,0 +1,39 @@
# This file is included in CMakeSystemSpecificInformation.cmake if
# the Eclipse CDT4 extra generator has been selected.
FIND_PROGRAM(CMAKE_ECLIPSE_EXECUTABLE NAMES eclipse DOC "The Eclipse executable")
# The Eclipse generator needs to know the standard include path
# so that Eclipse ca find the headers at runtime and parsing etc. works better
# This is done here by actually running gcc with the options so it prints its
# system include directories, which are parsed then and stored in the cache.
MACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang _result)
SET(${_result})
SET(_gccOutput)
FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy" "\n" )
EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -v -E -x ${_lang} dummy
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/CMakeFiles
ERROR_VARIABLE _gccOutput
OUTPUT_QUIET )
FILE(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy")
IF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
SET(${_result} ${CMAKE_MATCH_1})
STRING(REPLACE "\n" " " ${_result} "${${_result}}")
SEPARATE_ARGUMENTS(${_result})
ENDIF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
ENDMACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang)
# Now check for C
IF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c _dirs)
SET(CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "C compiler system include directories")
ENDIF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
# And now the same for C++
IF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)
_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c++ _dirs)
SET(CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "CXX compiler system include directories")
ENDIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)

5
Modules/CMakeKDevelop3.cmake Normal file
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@ -0,0 +1,5 @@
# This file is included in CMakeSystemSpecificInformation.cmake if
# the KDevelop3 extra generator has been selected.
FIND_PROGRAM(CMAKE_KDEVELOP3_EXECUTABLE NAMES kdevelop DOC "The KDevelop3 executable")

42
Modules/CMakeSystemSpecificInformation.cmake
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@ -35,42 +35,12 @@ IF(NOT _INCLUDED_SYSTEM_INFO_FILE)
ENDIF(NOT _INCLUDED_SYSTEM_INFO_FILE) ENDIF(NOT _INCLUDED_SYSTEM_INFO_FILE)
# The Eclipse generator needs to know the standard include path # optionally include a file which can do extra-generator specific things, e.g.
# so that Eclipse ca find the headers at runtime and parsing etc. works better # CMakeEclipseCDT4.cmake asks gcc for the system include dirs for the Eclipse CDT4 generator
# This is done here by actually running gcc with the options so it prints its IF(CMAKE_EXTRA_GENERATOR)
# system include directories, which are parsed then and stored in the cache. STRING(REPLACE " " "" _CMAKE_EXTRA_GENERATOR_NO_SPACES ${CMAKE_EXTRA_GENERATOR} )
IF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse") INCLUDE("CMake${_CMAKE_EXTRA_GENERATOR_NO_SPACES}" OPTIONAL)
ENDIF(CMAKE_EXTRA_GENERATOR)
MACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang _result)
SET(${_result})
SET(_gccOutput)
FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy" "\n" )
EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -v -E -x ${_lang} dummy
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/CMakeFiles
ERROR_VARIABLE _gccOutput
OUTPUT_QUIET )
FILE(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy")
IF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
SET(${_result} ${CMAKE_MATCH_1})
STRING(REPLACE "\n" " " ${_result} "${${_result}}")
SEPARATE_ARGUMENTS(${_result})
ENDIF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" )
ENDMACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang)
# Now check for C
IF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c _dirs)
SET(CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "C compiler system include directories")
ENDIF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS)
# And now the same for C++
IF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)
_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c++ _dirs)
SET(CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "CXX compiler system include directories")
ENDIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS)
ENDIF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse")
# for most systems a module is the same as a shared library # for most systems a module is the same as a shared library