mirror of
https://gitlab.com/libtiff/libtiff.git
synced 2026-01-18 21:51:18 +01:00
25d17e1718
Link with CMATH_LIBRARIES instead of CMath::CMath. While this
will still be exported, it will be available on the host system.
Port of original commit:
67f73084ca
co-authored: Roger Leigh <rleigh@codelibre.net>
66 lines
1.7 KiB
CMake
66 lines
1.7 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
# file Copyright.txt or https://cmake.org/licensing for details.
|
|
|
|
#[=======================================================================[.rst:
|
|
FindCMath
|
|
--------
|
|
|
|
Find the native CMath includes and library.
|
|
|
|
IMPORTED Targets
|
|
^^^^^^^^^^^^^^^^
|
|
|
|
This module defines :prop_tgt:`IMPORTED` target ``CMath::CMath``, if
|
|
CMath has been found.
|
|
|
|
Result Variables
|
|
^^^^^^^^^^^^^^^^
|
|
|
|
This module defines the following variables:
|
|
|
|
::
|
|
|
|
CMath_INCLUDE_DIRS - Where to find math.h
|
|
CMath_LIBRARIES - List of libraries when using CMath.
|
|
CMath_FOUND - True if CMath found.
|
|
|
|
#]=======================================================================]
|
|
|
|
|
|
include(CheckSymbolExists)
|
|
include(CheckLibraryExists)
|
|
|
|
check_symbol_exists(pow "math.h" CMath_HAVE_LIBC_POW)
|
|
find_library(CMath_LIBRARY NAMES m)
|
|
|
|
if(NOT CMath_HAVE_LIBC_POW)
|
|
set(CMAKE_REQUIRED_LIBRARIES_SAVE ${CMAKE_REQUIRED_LIBRARIES})
|
|
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${CMath_LIBRARY})
|
|
check_symbol_exists(pow "math.h" CMath_HAVE_LIBM_POW)
|
|
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAVE})
|
|
endif()
|
|
|
|
set(CMath_pow FALSE)
|
|
if(CMath_HAVE_LIBC_POW OR CMath_HAVE_LIBM_POW)
|
|
set(CMath_pow TRUE)
|
|
endif()
|
|
|
|
set(CMath_INCLUDE_DIRS)
|
|
|
|
include(FindPackageHandleStandardArgs)
|
|
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CMath REQUIRED_VARS CMath_pow)
|
|
|
|
if(CMath_FOUND)
|
|
if(NOT CMath_INCLUDE_DIRS)
|
|
set(CMath_INCLUDE_DIRS)
|
|
endif()
|
|
if(NOT CMath_LIBRARIES)
|
|
if (NOT CMath_LIBRARY)
|
|
unset(CMath_LIBRARY)
|
|
endif()
|
|
if (CMath_LIBRARY)
|
|
set(CMath_LIBRARIES ${CMath_LIBRARY})
|
|
endif()
|
|
endif()
|
|
endif()
|