OpenBLAS/cmake/c_check.cmake

54 lines
1.6 KiB
CMake

##
## Author: Hank Anderson <hank@statease.com>
## Copyright: (c) Stat-Ease, Inc.
## Created: 12/29/14
## Last Modified: 12/29/14
## Description: Ported from the OpenBLAS/c_check perl script.
## This is triggered by prebuild.cmake and runs before any of the code is built.
## Creates config.h and Makefile.conf.
# N.B. c_check (and ctest.c) is not cross-platform, so instead try to use CMake variables.
# TODO: detect NEED_FU
set(NEED_FU 1)
# Convert CMake vars into the format that OpenBLAS expects
string(TOUPPER ${CMAKE_SYSTEM_NAME} HOST_OS)
if (${HOST_OS} STREQUAL "WINDOWS")
set(HOST_OS WINNT)
endif ()
# added by hpa - check size of void ptr to detect 64-bit compile
if (NOT DEFINED BINARY)
set(BINARY 32)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(BINARY 64)
endif ()
endif ()
# CMake docs define these:
# CMAKE_SYSTEM_PROCESSOR - The name of the CPU CMake is building for.
# CMAKE_HOST_SYSTEM_PROCESSOR - The name of the CPU CMake is running on.
set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
if (${HOST_ARCH} STREQUAL "AMD64")
set(HOST_ARCH "X86_64")
endif ()
# If you are using a 32-bit compiler on a 64-bit system CMAKE_SYSTEM_PROCESSOR will be wrong
if (${HOST_ARCH} STREQUAL "X86_64" AND BINARY EQUAL 32)
set(HOST_ARCH X86)
endif ()
set(COMPILER_ID ${CMAKE_CXX_COMPILER_ID})
if (${COMPILER_ID} STREQUAL "GNU")
set(COMPILER_ID "GCC")
endif ()
file(WRITE ${TARGET_CONF}
"#define OS_${HOST_OS}\t1\n"
"#define ARCH_${HOST_ARCH}\t1\n"
"#define C_${COMPILER_ID}\t1\n"
"#define __${BINARY}BIT__\t1\n"
"#define FUNDERSCORE\t${NEED_FU}\n")