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##
## Author: Hank Anderson <hank@statease.com>
## Description: Ported from portion of OpenBLAS/Makefile.system
## Detects the OS and sets appropriate variables.
if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(EXTRALIB "${EXTRALIB} -lm")
set(NO_EXPRECISION 1)
endif ()
if (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD|OpenBSD|NetBSD|DragonFly|Darwin")
set(EXTRALIB "${EXTRALIB} -lm")
set(NO_EXPRECISION 1)
endif ()
if (${CMAKE_SYSTEM_NAME} STREQUAL "AIX")
set(EXTRALIB "${EXTRALIB} -lm")
endif ()
# TODO: this is probably meant for mingw, not other windows compilers
if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(NEED_PIC 0)
set(NO_EXPRECISION 1)
set(EXTRALIB "${EXTRALIB} -defaultlib:advapi32")
# probably not going to use these
set(SUFFIX "obj")
set(PSUFFIX "pobj")
set(LIBSUFFIX "a")
if (${CMAKE_C_COMPILER_ID} STREQUAL "Clang")
set(CCOMMON_OPT "${CCOMMON_OPT} -DMS_ABI")
endif ()
if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
# Test for supporting MS_ABI
# removed string parsing in favor of CMake's version comparison -hpa
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (${GCC_VERSION} VERSION_GREATER 4.7 OR ${GCC_VERSION} VERSION_EQUAL 4.7)
# GCC Version >=4.7
# It is compatible with MSVC ABI.
set(CCOMMON_OPT "${CCOMMON_OPT} -DMS_ABI")
endif ()
endif ()
# Ensure the correct stack alignment on Win32
# http://permalink.gmane.org/gmane.comp.lib.openblas.general/97
if (X86)
if (NOT MSVC AND NOT ${CMAKE_C_COMPILER_ID} STREQUAL "Clang")
set(CCOMMON_OPT "${CCOMMON_OPT} -mincoming-stack-boundary=2")
endif ()
set(FCOMMON_OPT "${FCOMMON_OPT} -mincoming-stack-boundary=2")
endif ()
endif ()
if (${CMAKE_SYSTEM_NAME} STREQUAL "Interix")
set(NEED_PIC 0)
set(NO_EXPRECISION 1)
set(INTERIX_TOOL_DIR STREQUAL "/opt/gcc.3.3/i586-pc-interix3/bin")
endif ()
if (CYGWIN)
set(NEED_PIC 0)
set(NO_EXPRECISION 1)
endif ()
if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Interix" AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Android")
if (USE_THREAD)
set(EXTRALIB "${EXTRALIB} -lpthread")
endif ()
endif ()
if (QUAD_PRECISION)
set(CCOMMON_OPT "${CCOMMON_OPT} -DQUAD_PRECISION")
set(NO_EXPRECISION 1)
endif ()
if (X86)
set(NO_EXPRECISION 1)
endif ()
if (DYNAMIC_ARCH)
if (TARGET)
if (${TARGET} STREQUAL "GENERIC")
set(NO_EXPRECISION 1)
endif ()
endif ()
endif ()
if (UTEST_CHECK)
set(CCOMMON_OPT "${CCOMMON_OPT} -DUTEST_CHECK")
set(SANITY_CHECK 1)
endif ()
if (SANITY_CHECK)
# TODO: need some way to get $(*F) (target filename)
set(CCOMMON_OPT "${CCOMMON_OPT} -DSANITY_CHECK -DREFNAME=$(*F)f${BU}")
endif ()
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