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authorOscar Fuentes <ofv@wanadoo.es>2009-11-12 05:36:09 +0000
committerOscar Fuentes <ofv@wanadoo.es>2009-11-12 05:36:09 +0000
commita447cfea453b582092a7a1e5a7f71e695981c4d2 (patch)
tree6f0c19f3e95633fd852b17c3c749d31125856c85 /cmake/config-ix.cmake
parent66c04c48debfd4357beaf9310346b2b24046b685 (diff)
CMake: Pass -lm to check_symbol_exists for detecting several math
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
Diffstat (limited to 'cmake/config-ix.cmake')
-rwxr-xr-xcmake/config-ix.cmake6
1 files changed, 6 insertions, 0 deletions
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 28dee471ef0..3a2b91cc33c 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -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)