summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
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
parent66c04c48debfd4357beaf9310346b2b24046b685 (diff)
downloadllvm-a447cfea453b582092a7a1e5a7f71e695981c4d2.tar.gz
llvm-a447cfea453b582092a7a1e5a7f71e695981c4d2.tar.bz2
llvm-a447cfea453b582092a7a1e5a7f71e695981c4d2.tar.xz
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
-rwxr-xr-xcmake/config-ix.cmake6
-rw-r--r--include/llvm/Config/config.h.cmake2
2 files changed, 7 insertions, 1 deletions
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)
diff --git a/include/llvm/Config/config.h.cmake b/include/llvm/Config/config.h.cmake
index fa8272798a..2bec93f246 100644
--- a/include/llvm/Config/config.h.cmake
+++ b/include/llvm/Config/config.h.cmake
@@ -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}