- if(ARCH_32_BITS)
- set(mcsc_flags -D_XBT_WIN32 -D_I_X86_ -I${CMAKE_HOME_DIRECTORY}/src/include -I${CMAKE_HOME_DIRECTORY}/src/xbt)
- else()
- set(mcsc_flags -D_XBT_WIN32 -D_AMD64_ -I${CMAKE_HOME_DIRECTORY}/src/include -I${CMAKE_HOME_DIRECTORY}/src/xbt)
- endif()
-endif()
-
-IF(NOT CMAKE_CROSSCOMPILING)
- file(REMOVE "${CMAKE_BINARY_DIR}/testprog*")
- file(REMOVE ${CMAKE_BINARY_DIR}/conftestval)
- set(MCSC_buildcmd ${CMAKE_C_COMPILER} ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_AC_CHECK_MCSC.c ${mcsc_flags} -o testprog)
- execute_process(COMMAND ${MCSC_buildcmd}
- WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/
- OUTPUT_VARIABLE COMPILE_mcsc_VAR ERROR_VARIABLE COMPILE_mcsc_VAR)
-
- if(NOT COMPILE_mcsc_VAR)
- message(STATUS "prog_AC_CHECK_MCSC.c is compilable")
- execute_process(COMMAND ./testprog
- WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/
- OUTPUT_VARIABLE var_compil)
- else()
- message(STATUS "prog_AC_CHECK_MCSC.c is not compilable. \nBuild command: ${MCSC_buildcmd}\nOutput\n${COMPILE_mcsc_VAR}")
- endif()
- file(REMOVE "${CMAKE_BINARY_DIR}/testprog*")
-
- if(EXISTS "${CMAKE_BINARY_DIR}/conftestval")
- file(READ "${CMAKE_BINARY_DIR}/conftestval" mcsc)
- STRING(REPLACE "\n" "" mcsc "${mcsc}")
- if(mcsc)
- set(mcsc "yes")
- set(HAVE_UCONTEXT_H 1)
- else()
- set(mcsc "no")
- endif()
- else()
- set(mcsc "no")
- endif()
-
- message(STATUS "mcsc: ${mcsc}")
-ENDIF()
-
-#Only windows
-
-if(WIN32)
- if(NOT HAVE_WINDOWS_H)
- message(FATAL_ERROR "no appropriate backend found windows")
- endif()
+ # We always provide our own implementation of ucontext on Windows.
+ try_compile(HAVE_UCONTEXT
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_AC_CHECK_MCSC.c
+ COMPILE_DEFINITIONS _XBT_WIN32
+ INCLUDE_DIRECTORIES
+ ${CMAKE_HOME_DIRECTORY}/src/include
+ ${CMAKE_HOME_DIRECTORY}/src/xbt
+ )
+else()
+ # We always provide our own implementation of ucontext on Windows.
+ try_compile(HAVE_UCONTEXT
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_HOME_DIRECTORY}/buildtools/Cmake/test_prog/prog_AC_CHECK_MCSC.c)