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commit a4b1930b506274e328ee26cd6287965cb496062b
Author: Steven Yi <stevenyi@gmail.com>
Date:   Mon Sep 28 18:21:22 2015 -0400

    modified make_utility and targets for csound-bin and mixer-bin to use add libm for linking when on Linux [fixes #526]

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b16079..18a6ad1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,6 +97,10 @@ endfunction(make_executable)
 function(make_utility name srcs)
     make_executable(${name} "${srcs}" "${CSOUNDLIB}")
     add_dependencies(${name} ${CSOUNDLIB})
+ 
+    if(LINUX)
+        target_link_libraries(${name} m)
+    endif()
 endfunction()
 
 
diff --git a/frontends/CMakeLists.txt b/frontends/CMakeLists.txt
index d0e3a21..b31f37a 100644
--- a/frontends/CMakeLists.txt
+++ b/frontends/CMakeLists.txt
@@ -43,6 +43,9 @@ endfunction(make_plugin_frontend)
 
 # We need a different name to avoid clashes with float libcsound
 make_executable(csound-bin "${CS_MAIN_SRCS}" "${CSOUNDLIB}" csound)
+if(LINUX)
+  target_link_libraries(csound-bin m)
+endif()
 
 message(STATUS "Building csLadspa")
 
diff --git a/util/CMakeLists.txt b/util/CMakeLists.txt
index 25089cc..ebf0aa5 100644
--- a/util/CMakeLists.txt
+++ b/util/CMakeLists.txt
@@ -23,9 +23,11 @@ if(BUILD_UTILITIES)
     make_utility(hetro       het_main.c)
     make_utility(lpanal      lpc_main.c)
     make_utility(lpc_export  lpcx_main.c)
-    target_link_libraries(lpc_export m)
     make_utility(lpc_import  lpci_main.c)
-    make_executable(mixer-bin   mixer_main.c   "${CSOUNDLIB}" mixer)
+    if(LINUX)
+      make_executable(mixer-bin   mixer_main.c   "${CSOUNDLIB}" mixer)
+    endif()
+    target_link_libraries(mixer-bin m)
     make_utility(pvanal      pvc_main.c)
     make_utility(pvlook      pvl_main.c)
     make_utility(pv_export   pvx_main.c)