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LAPACK: add support for complex numbers for MSVC

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This commit is contained in:
Maksim Shabunin 2019-05-14 14:08:16 +03:00
parent f629cdfe2c
commit fff7b7e459
1 changed files with 22 additions and 16 deletions
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38
cmake/OpenCVFindLAPACK.cmake
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@ -31,27 +31,33 @@ macro(ocv_lapack_check)
else()
# adding proxy opencv_lapack.h header
set(CBLAS_H_PROXY_PATH ${CMAKE_BINARY_DIR}/opencv_lapack.h)
if((APPLE OR OPENCV_SKIP_LAPACK_EXTERN_C) AND NOT OPENCV_FORCE_LAPACK_EXTERN_C)
set(_lapack_include_str_extern_C "")
set(_lapack_include_str_extern_C_end "")
else()
set(_lapack_include_str_extern_C "extern \"C\" {\n")
set(_lapack_include_str_extern_C_end "}\n")
set(_lapack_add_extern_c NOT (APPLE OR OPENCV_SKIP_LAPACK_EXTERN_C) OR OPENCV_FORCE_LAPACK_EXTERN_C)
set(_lapack_content "// This file is auto-generated\n")
if(${_lapack_add_extern_c})
list(APPEND _lapack_content "extern \"C\" {")
endif()
set(_lapack_include_str "${_lapack_include_str_extern_C}\#include \"${OPENCV_CBLAS_H_PATH_${_lapack_impl}}\"")
if(NOT OPENCV_SKIP_LAPACK_MSVC_FIX)
list(APPEND _lapack_content "
#ifdef _MSC_VER
#include <complex.h>
#define lapack_complex_float _Fcomplex
#define lapack_complex_double _Dcomplex
#endif
")
endif()
list(APPEND _lapack_content "#include \"${OPENCV_CBLAS_H_PATH_${_lapack_impl}}\"")
if(NOT "${OPENCV_CBLAS_H_PATH_${_lapack_impl}}" STREQUAL "${OPENCV_LAPACKE_H_PATH_${_lapack_impl}}")
set(_lapack_include_str "${_lapack_include_str}\n#include \"${OPENCV_LAPACKE_H_PATH_${_lapack_impl}}\"")
list(APPEND _lapack_content "#include \"${OPENCV_LAPACKE_H_PATH_${_lapack_impl}}\"")
endif()
set(_lapack_include_str "${_lapack_include_str}\n${_lapack_include_str_extern_C_end}")
# update file contents (if required)
set(__content_str "")
if(EXISTS "${CBLAS_H_PROXY_PATH}")
file(READ "${CBLAS_H_PROXY_PATH}" __content_str)
endif()
if(NOT " ${__content_str}" STREQUAL " ${_lapack_include_str}")
file(WRITE "${CBLAS_H_PROXY_PATH}" "${_lapack_include_str}")
if(${_lapack_add_extern_c})
list(APPEND _lapack_content "}")
endif()
string(REPLACE ";" "\n" _lapack_content "${_lapack_content}")
ocv_update_file("${CBLAS_H_PROXY_PATH}" "${_lapack_content}")
try_compile(__VALID_LAPACK
"${OpenCV_BINARY_DIR}"
"${OpenCV_SOURCE_DIR}/cmake/checks/lapack_check.cpp"