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# GCC is the default compiler on Linux.
SET(CMAKE_DL_LIBS "dl")
SET(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC")
SET(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared")
SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "-rdynamic")
SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
SET(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
SET(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
SET(CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG "-Wl,-soname,")
SET(CMAKE_SHARED_LIBRARY_SONAME_Fortran_FLAG "-Wl,-soname,")
SET(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
SET(CMAKE_EXE_EXPORTS_CXX_FLAG "-Wl,--export-dynamic")
# Shared libraries with no builtin soname may not be linked safely by
# specifying the file path.
SET(CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME 1)
# Initialize C link type selection flags. These flags are used when
# building a shared library, shared module, or executable that links
# to other libraries to select whether to use the static or shared
# versions of the libraries.
FOREACH(type SHARED_LIBRARY SHARED_MODULE EXE)
SET(CMAKE_${type}_LINK_STATIC_C_FLAGS "-Wl,-Bstatic")
SET(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Wl,-Bdynamic")
ENDFOREACH(type)
# Debian policy requires that shared libraries be installed without
# executable permission. Fedora policy requires that shared libraries
# be installed with the executable permission. Since the native tools
# create shared libraries with execute permission in the first place a
# reasonable policy seems to be to install with execute permission by
# default. In order to support debian packages we provide an option
# here. The option default is based on the current distribution, but
# packagers can set it explicitly on the command line.
IF(DEFINED CMAKE_INSTALL_SO_NO_EXE)
# Store the decision variable in the cache. This preserves any
# setting the user provides on the command line.
SET(CMAKE_INSTALL_SO_NO_EXE "${CMAKE_INSTALL_SO_NO_EXE}" CACHE INTERNAL
"Install .so files without execute permission.")
ELSE(DEFINED CMAKE_INSTALL_SO_NO_EXE)
# Store the decision variable as an internal cache entry to avoid
# checking the platform every time. This option is advanced enough
# that only package maintainers should need to adjust it. They are
# capable of providing a setting on the command line.
IF(EXISTS "/etc/debian_version")
SET(CMAKE_INSTALL_SO_NO_EXE 1 CACHE INTERNAL
"Install .so files without execute permission.")
ELSE(EXISTS "/etc/debian_version")
SET(CMAKE_INSTALL_SO_NO_EXE 0 CACHE INTERNAL
"Install .so files without execute permission.")
ENDIF(EXISTS "/etc/debian_version")
ENDIF(DEFINED CMAKE_INSTALL_SO_NO_EXE)
INCLUDE(Platform/UnixPaths)
# Debian has lib64 paths only for compatibility so they should not be
# searched.
IF(EXISTS "/etc/debian_version")
SET_PROPERTY(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS FALSE)
ENDIF(EXISTS "/etc/debian_version")
# always include the gcc compiler information
INCLUDE(Platform/gcc)
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