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port over 2009-03-24T14:18:45Z!crazy-ivanovic@gmx.net from branches/1.6,

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...commit message was: add the searching for sendfile/round to the
cmake recipe now a file for the defines is created automatically...
This commit is contained in:
Nils Kneuper 2009-03-24 14:28:52 +00:00
parent 758d64adf5
commit 17157daedd
3 changed files with 44 additions and 4 deletions
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7
CMakeLists.txt
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@ -2,10 +2,6 @@
# what is not working so far:
# * some other smaller stuff
# * nice INSTALL howto
# * check for poll(2) and select(2) as in SConstruct line 183 and if found, define same
# symbols as autoconf would. See also
# http://svn.gna.org/viewcvs/wesnoth?rev=33522&view=rev
# http://svn.gna.org/viewcvs/wesnoth?rev=33523&view=rev
# * Detect Python and install Python tools
# * Rewrite the pot-update
# * Test everything
@ -38,6 +34,9 @@ set(SDL_CONFIG "sdl-config" CACHE STRING "Path to sdl-config script")
exec_program(${SDL_CONFIG} ARGS "--cflags" OUTPUT_VARIABLE SDL_CFLAGS)
add_definitions(${SDL_CFLAGS})
#check for some compiler/arch specific things and export defines accordingly...
INCLUDE (SearchForStuff)
#
# Options
#

33
cmake/SearchForStuff.cmake Normal file
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@ -0,0 +1,33 @@
#check for some playtform specific things and export defines accordingly...
#done basically the same was as AC_CHECK_HEADERS and AC_CHECK_FUNCS in configure.ac
#the file is basically built upon the info available at
#http://www.vtk.org/Wiki/CMake_HowToDoPlatformChecks
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckLibraryExists)
#the two includes below seem to not be required, those headers are checked for
#anyway, including them here, too...
CHECK_INCLUDE_FILES(stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
#sendfile should be in one of the headers checked for here, so first check if
#one of the headers is available and then check for 'sendfile'
CHECK_INCLUDE_FILES(poll.h HAVE_POLL_H)
CHECK_INCLUDE_FILES(sys/poll.h HAVE_SYS_POLL_H)
CHECK_INCLUDE_FILES(sys/select.h HAVE_SYS_SELECT_H)
if(HAVE_POLL_H OR HAVE_SYS_POLL_H OR HAVE_SYS_SELECT_H)
CHECK_FUNCTION_EXISTS(sendfile HAVE_SENDFILE)
endif(HAVE_POLL_H OR HAVE_SYS_POLL_H OR HAVE_SYS_SELECT_H)
#in configure.ac it is not explicitly tested, if it is in 'm', instead the first
#test is if "floor" is available in m and later on it is checked if round,
#sendfile and others do exist (with the 'm' lib linked), regarding our sources
#we *only* want round from 'm'
CHECK_LIBRARY_EXISTS(m round "" HAVE_ROUND)
#use config.h.cmake to create a list of #defines comparable to the one configure
#does, this file is created in the dir where cmake is run from
CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/src/config.h)
#to make the compiler actually use the generated config.h
add_definitions(-DHAVE_CONFIG_H)

8
config.h.cmake Normal file
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@ -0,0 +1,8 @@
/*this file is used to automatically set some defines and is used in the CMake recipe*/
#cmakedefine HAVE_STDLIB_H 1
#cmakedefine HAVE_UNISTD_H 1
#cmakedefine HAVE_POLL_H 1
#cmakedefine HAVE_SYS_POLL_H 1
#cmakedefine HAVE_SYS_SELECT_H 1
#cmakedefine HAVE_SENDFILE 1
#cmakedefine HAVE_ROUND 1