Fixed #424.

Fixed cmake error when environment variable CXXFLAGS is not defined.
redboltz · Sep 12, 2019 · 37806e4 · 37806e4
1 parent 4452b9b
commit 37806e4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
@@ -53,7 +53,9 @@ ENDIF ()
 
 #str to list
 string(REPLACE " " ";" CHK_CXX_FLAGS ${CMAKE_CXX_FLAGS})
-string(REPLACE " " ";" CHK_ENV_CXXFLAGS $ENV{CXXFLAGS})
+IF ($ENV{CXXFLAGS})
+    string(REPLACE " " ";" CHK_ENV_CXXFLAGS $ENV{CXXFLAGS})
+ENDIF ()
 
 FOREACH (HDR ${HDR_MQTT})
     get_filename_component(HDR_WE ${HDR} NAME_WE)