diff --git a/CMakeLists.txt b/CMakeLists.txt
index 89205b9be2..c62160797c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,10 +39,10 @@
 cmake_minimum_required ( VERSION 3.20 ) # LAGraph can be built stand-alone
 
 # version of LAGraph
-set ( LAGraph_DATE "Jan 10, 2024" )
+set ( LAGraph_DATE "Jan 20, 2024" )
 set ( LAGraph_VERSION_MAJOR 1 CACHE STRING "" FORCE )
 set ( LAGraph_VERSION_MINOR 1 CACHE STRING "" FORCE )
-set ( LAGraph_VERSION_SUB   1 CACHE STRING "" FORCE )
+set ( LAGraph_VERSION_SUB   2 CACHE STRING "" FORCE )
 
 message ( STATUS "Building LAGraph version: v"
     ${LAGraph_VERSION_MAJOR}.
@@ -162,9 +162,6 @@ endif ( )
 #-------------------------------------------------------------------------------
 
 option ( LAGRAPH_USE_OPENMP "ON: Use OpenMP in LAGraph if available.  OFF: Do not use OpenMP.  (Default: SUITESPARSE_USE_OPENMP)" ${SUITESPARSE_USE_OPENMP} )
-if ( NOT SUITESPARSE_USE_OPENMP )
-    set ( LAGRAPH_USE_OPENMP "OFF" CACHE STRING "" FORCE )
-endif ( )
 if ( COVERAGE )
     set ( LAGRAPH_USE_OPENMP "OFF" CACHE STRING "" FORCE ) # OK: test coverage is enabled
     message ( STATUS "OpenMP disabled for test coverage" )
@@ -184,7 +181,7 @@ else ( )
     endif ( )
 endif ( )
 
-if ( OpenMP_C_FOUND )
+if ( LAGRAPH_USE_OPENMP AND OpenMP_C_FOUND )
     set ( LAGRAPH_HAS_OPENMP ON )
 else ( )
     set ( LAGRAPH_HAS_OPENMP OFF )
diff --git a/ChangeLog b/ChangeLog
index a662270958..f7a0f454a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Jan 20, 2024: version 1.1.2
+
+    * minor update to build system
+
 Jan 10, 2024: version 1.1.1
 
     * minor update to build system
diff --git a/Makefile b/Makefile
index 2f91ff5fc4..dcbd44ac9e 100644
--- a/Makefile
+++ b/Makefile
@@ -85,10 +85,10 @@ remake:
 
 # just run cmake to set things up
 setup:
-	( cd build ; cmake $(CMAKE_OPTIONS) .. )
+	( cd build && cmake $(CMAKE_OPTIONS) .. )
 
 install:
-	( cd build ; cmake --install . )
+	( cd build && cmake --install . )
 
 # remove any installed libraries and #include files
 uninstall:
diff --git a/cmake_modules/SuiteSparsePolicy.cmake b/cmake_modules/SuiteSparsePolicy.cmake
index 20a7fcf784..b6b195407c 100644
--- a/cmake_modules/SuiteSparsePolicy.cmake
+++ b/cmake_modules/SuiteSparsePolicy.cmake
@@ -107,6 +107,16 @@ if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.18.0" )
     cmake_policy ( SET CMP0104 NEW )    # initialize CUDA architectures
 endif ( )
 
+# SuiteSparse packages have many intentional extra semicolons, for code
+# readability (such as "/* do nothing */ ;" in SuiteSparse_config.c).  Disable
+# the clang warning for these statements:
+if ( CMAKE_C_COMPILER_ID STREQUAL "Clang" )
+    set ( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wno-extra-semi-stmt" )
+endif ( )
+if ( CMAKE_CXX_COMPILER_ID STREQUAL "Clang" )
+    set ( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wno-extra-semi-stmt" )
+endif ( )
+
 if ( WIN32 )
     set ( CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS true )
     add_compile_definitions ( _CRT_SECURE_NO_WARNINGS )
@@ -120,7 +130,7 @@ set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
     ${CMAKE_SOURCE_DIR}/cmake_modules )
 
 # Use OpenMP
-option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP if available.  OFF: Do not use OpenMP" ON )
+option ( SUITESPARSE_USE_OPENMP "ON (default): Use OpenMP in libraries by default if available.  OFF: Do not use OpenMP by default." ON )
 
 # strict usage
 option ( SUITESPARSE_USE_STRICT "ON: treat all _USE__ settings as strict if they are ON. OFF (default): consider *_USE_* as preferences, not strict" OFF )
diff --git a/experimental/CMakeLists.txt b/experimental/CMakeLists.txt
index 6038808bfc..2caaa1c6d9 100644
--- a/experimental/CMakeLists.txt
+++ b/experimental/CMakeLists.txt
@@ -85,7 +85,7 @@ endif ( )
 # add OpenMP
 #-------------------------------------------------------------------------------
 
-if ( OpenMP_C_FOUND )
+if ( LAGRAPH_HAS_OPENMP )
     if ( BUILD_SHARED_LIBS )
         target_link_libraries ( LAGraphX PRIVATE OpenMP::OpenMP_C )
     endif ( )
diff --git a/experimental/test/CMakeLists.txt b/experimental/test/CMakeLists.txt
index 51f99f0987..3f72d74b9e 100644
--- a/experimental/test/CMakeLists.txt
+++ b/experimental/test/CMakeLists.txt
@@ -74,7 +74,7 @@ endif ( )
 # add OpenMP
 #-------------------------------------------------------------------------------
 
-if ( OpenMP_C_FOUND )
+if ( LAGRAPH_HAS_OPENMP )
     if ( BUILD_SHARED_LIBS )
         target_link_libraries ( lagraphxtest PRIVATE OpenMP::OpenMP_C )
     endif ( )
diff --git a/include/LAGraph.h b/include/LAGraph.h
index 5834117633..6eed809cb9 100644
--- a/include/LAGraph.h
+++ b/include/LAGraph.h
@@ -37,10 +37,10 @@
 // See also the LAGraph_Version utility method, which returns these values.
 // These definitions are derived from LAGraph/CMakeLists.txt.
 
-#define LAGRAPH_DATE "Jan 10, 2024"
+#define LAGRAPH_DATE "Jan 20, 2024"
 #define LAGRAPH_VERSION_MAJOR  1
 #define LAGRAPH_VERSION_MINOR  1
-#define LAGRAPH_VERSION_UPDATE 1
+#define LAGRAPH_VERSION_UPDATE 2
 
 //==============================================================================
 // include files and helper macros
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index cb7b19aa4f..09177c73ee 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -90,7 +90,7 @@ endif ( )
 # add OpenMP
 #-------------------------------------------------------------------------------
 
-if ( OpenMP_C_FOUND )
+if ( LAGRAPH_HAS_OPENMP )
     if ( BUILD_SHARED_LIBS )
         target_link_libraries ( LAGraph PRIVATE OpenMP::OpenMP_C )
     endif ( )
diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 025b1b35ab..37e56418ae 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -76,7 +76,7 @@ endif ( )
 # add OpenMP
 #-------------------------------------------------------------------------------
 
-if ( OpenMP_C_FOUND )
+if ( LAGRAPH_HAS_OPENMP )
     if ( BUILD_SHARED_LIBS )
         target_link_libraries ( lagraphtest PRIVATE OpenMP::OpenMP_C )
     endif ( )