fixed appending OpenMP compiler option to flag list

GROMACS_C_FLAGS and GROMACS_CXX_FLAGS is treated as a string and
therefore appending to it using list append operation will result in an
extra semicolon.

Change-Id: I39f768b48bb8c029f8c7b21f0fc3c5e8c2309199

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 193f9ce84ebdc0850ecc88d0ba23edffa2b807c3..7c1229f2b1676eef01def9aad743fdd18f45cc1c 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -420,8 +420,8 @@ endif(GMX_OPENMM)
 
 if(GMX_OPENMP)
     find_package(OpenMP REQUIRED)
-    list(APPEND GROMACS_C_FLAGS ${OpenMP_C_FLAGS})
-    list(APPEND GROMACS_CXX_FLAGS ${OpenMP_CXX_FLAGS})
+    set(GROMACS_C_FLAGS "${OpenMP_C_FLAGS} ${GROMACS_C_FLAGS}")
+    set(GROMACS_CXX_FLAGS "${OpenMP_CXX_FLAGS} ${GROMACS_CXX_FLAGS}")
     add_definitions(-DGMX_OPENMP)
 endif()