Fix some warnings

Author: isuruf

CMakeLists.txt

@@ -32,6 +32,10 @@ endif()
 set(TARGET_OS ${CMAKE_HOST_SYSTEM_NAME} CACHE STRING "Target OS")
 set(TARGET_ARCHITECTURE ${CMAKE_HOST_SYSTEM_PROCESSOR} CACHE STRING "Target Architecture")
 
+if (POLICY CMP0054)
+  cmake_policy(SET CMP0054 NEW)
+endif()
+
 if( ${TARGET_OS} STREQUAL "Linux" )
   set(OS "LINUX")
   set(OSNAME "Linux")

runtime/flangrti/CMakeLists.txt

@@ -97,7 +97,7 @@ add_flang_library(flangrti_shared
 
 # Resolve symbols against libm
 if (NOT MSVC)
-  target_link_libraries(flangrti_shared m)
+  target_link_libraries(flangrti_shared PRIVATE m)
 endif()
 
 
@@ -107,14 +107,14 @@ if (NOT DEFINED LIBOMP_EXPORT_DIR)
     FLANG_LIBOMP
     NAMES omp libomp
     HINTS ${CMAKE_BINARY_DIR}/lib)
-  target_link_libraries(flangrti_shared ${FLANG_LIBOMP})
+  target_link_libraries(flangrti_shared PRIVATE ${FLANG_LIBOMP})
 endif()
 
 find_library( 
   LIBPGMATH
   NAMES pgmath libpgmath
   HINTS ${CMAKE_BINARY_DIR}/lib)
-target_link_libraries(flangrti_shared ${LIBPGMATH})
+target_link_libraries(flangrti_shared PRIVATE ${LIBPGMATH})
 
 if( ${TARGET_ARCHITECTURE} STREQUAL "aarch64" )
   target_compile_definitions(flangrti_static PRIVATE TARGET_LINUX_ARM)

tools/flang1/flang1exe/CMakeLists.txt

@@ -155,12 +155,13 @@ target_compile_options(flang1
   )
 
 target_link_libraries(flang1
+  PRIVATE
   flangArgParser
   scutil
   )
 
 if (NOT MSVC)
-  target_link_libraries(flang1 m)
+  target_link_libraries(flang1 PRIVATE m)
 endif()
 
 # Install flang1 executable

tools/flang2/flang2exe/CMakeLists.txt

@@ -139,12 +139,13 @@ target_compile_options(flang2
   )
 
 target_link_libraries(flang2
+  PRIVATE
   flangArgParser
   scutil
   )
 
 if (NOT MSVC)
-  target_link_libraries(flang2 m)
+  target_link_libraries(flang2 PRIVATE m)
 endif()
 
 add_dependencies(flang2