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authorChris Robinson <[email protected]>2008-08-08 08:12:41 -0700
committerChris Robinson <[email protected]>2008-08-08 08:12:41 -0700
commitf8ef66954c4cd95a8c91a458b33a8e8318a72d5b (patch)
treeb011a6656d153fb814df91b2166570954ddbf4cb /CMakeLists.txt
parentef59901e7c5b8813214fde6ee090d835c67277fd (diff)
Include fenv.h if it exists for fesetround
Diffstat (limited to 'CMakeLists.txt')
-rw-r--r--CMakeLists.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4ed1f898..8e22ad27 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -109,10 +109,13 @@ ELSE()
ENDIF()
ENDIF()
+CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
CHECK_LIBRARY_EXISTS(m sqrtf "" HAVE_SQRTF)
CHECK_LIBRARY_EXISTS(m acosf "" HAVE_ACOSF)
-CHECK_LIBRARY_EXISTS(m fesetround "" HAVE_FESETROUND)
+IF(HAVE_FENV_H)
+ CHECK_LIBRARY_EXISTS(m fesetround "" HAVE_FESETROUND)
+ENDIF()
IF(HAVE_SQRTF OR HAVE_ACOSF OR HAVE_FESETROUND)
SET(EXTRA_LIBS m ${EXTRA_LIBS})
ENDIF()