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make the build system link to the "quadmath" library if it is supported

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Thanks a lot to Roland Kaufmann for the support.
This commit is contained in:
Andreas Lauser 2013-08-13 14:58:26 +02:00 committed by Roland Kaufmann
parent cd6f18ed90
commit a2d4a32736
1 changed files with 13 additions and 1 deletions
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14
cmake/Modules/FindQuadmath.cmake
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@ -1,8 +1,9 @@
# Module that checks whether the compiler supports the # Module that checks whether the compiler supports the
# quadruple precision floating point math # quadruple precision floating point math
# #
# Sets the following variable: # Sets the following variables:
# HAVE_QUAD # HAVE_QUAD
# QUADMATH_LIBRARIES
# #
# perform tests # perform tests
include(CheckCXXSourceCompiles) include(CheckCXXSourceCompiles)
@ -17,3 +18,14 @@ int main(void){
__float128 foo = sqrtq(123.456); __float128 foo = sqrtq(123.456);
}" HAVE_QUAD) }" HAVE_QUAD)
cmake_pop_check_state() cmake_pop_check_state()
if (HAVE_QUAD)
set(QUADMATH_LIBRARIES "quadmath")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(QuadMath
DEFAULT_MSG
QUADMATH_LIBRARIES
HAVE_QUAD
)