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#
# Perform operating-system specific configuration.
#
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(TARGET_OS_LINUX 1)
#
# Enable GNU glibc extentions.
add_definitions("-D_GNU_SOURCE")
#
# On 32-bit systems, support files larger than 2GB
# (see man page for feature_test_macros).
add_definitions("-D_FILE_OFFSET_BITS=64")
message(STATUS "Building for Linux")
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD")
set(TARGET_OS_FREEBSD 1)
set(TARGET_OS_DEBIAN_FREEBSD 1)
# Debian/kFreeBSD uses GNU glibc.
add_definitions("-D_GNU_SOURCE")
add_definitions("-D_FILE_OFFSET_BITS=64")
message(STATUS "Building for Debian/kFreeBSD")
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
set(TARGET_OS_FREEBSD 1)
message(STATUS "Building for FreeBSD")
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
set(TARGET_OS_DARWIN 1)
#
# Default build type is None, which uses depends by Apple
# command line tools. Also supportting install with MacPorts.
#
if (NOT DARWIN_BUILD_TYPE)
set(DARWIN_BUILD_TYPE None CACHE STRING
"Choose the type of Darwin build, options are: None, Ports."
FORCE)
endif()
if (${DARWIN_BUILD_TYPE} STREQUAL "Ports")
# Mac ports get installed into /opt/local, hence:
include_directories("/opt/local/include")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/opt/local/lib")
endif()
message(STATUS "Building for Mac OS X")
else()
message (FATAL_ERROR "Unsupported platform -- ${CMAKE_SYSTEM_NAME}")
endif()
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