CMakeLists.txt |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 57394af..5a46a75 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,6 +56,7 @@ set (cminpack_hdrs
     cminpack.h minpack.h)
 
 add_library (cminpack ${LIB_TYPE} ${cminpack_srcs})
+target_link_libraries (cminpack m)
 
 install (TARGETS cminpack 
    LIBRARY DESTINATION ${CMINPACK_LIB_INSTALL_DIR} COMPONENT library