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CMake: Pass -lm to check_symbol_exists for detecting several math

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functions like floorf, ceilf, ... Add test for detecting nearbyintf.

This change was prompted by test/Transforms/SimplifyLibCalls/floor.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86954 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Oscar Fuentes 2009-11-12 05:36:09 +00:00
parent 66c04c48de
commit a447cfea45
2 changed files with 7 additions and 1 deletions
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6
cmake/config-ix.cmake
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@ -4,6 +4,11 @@ include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckCXXSourceCompiles)
if( UNIX )
# Used by check_symbol_exists:
set(CMAKE_REQUIRED_LIBRARIES m)
endif()
# Helper macros and functions
macro(add_cxx_include result files)
set(${result} "")
@ -84,6 +89,7 @@ check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
check_symbol_exists(ceilf math.h HAVE_CEILF)
check_symbol_exists(floorf math.h HAVE_FLOORF)
check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(malloc_zone_statistics malloc/malloc.h
HAVE_MALLOC_ZONE_STATISTICS)

2
include/llvm/Config/config.h.cmake
View File

@ -253,7 +253,7 @@
#cmakedefine HAVE_NDIR_H ${HAVE_NDIR_H}
/* Define to 1 if you have the `nearbyintf' function. */
#undef HAVE_NEARBYINTF
#cmakedefine HAVE_NEARBYINTF ${HAVE_NEARBYINTF}
/* Define if the neat program is available */
#cmakedefine HAVE_NEATO ${HAVE_NEATO}