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Fix CMake detection of various cmath functions, and XFAIL the test on platforms that are known to be missing them.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174564 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2013-02-07 00:54:05 +00:00
parent ec643abe69
commit 1e8f6f4df1
3 changed files with 26 additions and 6 deletions
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13
cmake/config-ix.cmake
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@@ -7,6 +7,7 @@ include(CheckIncludeFile)
include(CheckLibraryExists)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckCXXSymbolExists)
include(CheckCXXSourceCompiles)
include(TestBigEndian)
@@ -119,12 +120,12 @@ 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(fmodf math.h HAVE_FMODF)
check_symbol_exists(log "math.h cmath" HAVE_LOG)
check_symbol_exists(log2 "math.h cmath" HAVE_LOG2)
check_symbol_exists(log10 "math.h cmath" HAVE_LOG10)
check_symbol_exists(exp "math.h cmath" HAVE_EXP)
check_symbol_exists(exp2 "math.h cmath" HAVE_EXP2)
check_symbol_exists(exp10 "math.h cmath" HAVE_EXP10)
check_cxx_symbol_exists(log cmath HAVE_LOG)
check_cxx_symbol_exists(log2 cmath HAVE_LOG2)
check_cxx_symbol_exists(log10 cmath HAVE_LOG10)
check_cxx_symbol_exists(exp cmath HAVE_EXP)
check_cxx_symbol_exists(exp2 cmath HAVE_EXP2)
check_cxx_symbol_exists(exp10 cmath HAVE_EXP10)
if( HAVE_SETJMP_H )
check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP)
check_symbol_exists(setjmp setjmp.h HAVE_SETJMP)