From a447cfea453b582092a7a1e5a7f71e695981c4d2 Mon Sep 17 00:00:00 2001 From: Oscar Fuentes Date: Thu, 12 Nov 2009 05:36:09 +0000 Subject: 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 --- cmake/config-ix.cmake | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'cmake') diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake index 28dee471ef..3a2b91cc33 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) -- cgit v1.2.3