Merge pull request #556 from RichardHitt/ignore-unused
Fix Ubuntu build warnings by using gcc flag -Wno-unused-result
This commit is contained in:
		
						commit
						075c5dfad6
					
				
					 1 changed files with 22 additions and 0 deletions
				
			
		
							
								
								
									
										22
									
								
								configure.ac
									
										
									
									
									
								
							
							
						
						
									
										22
									
								
								configure.ac
									
										
									
									
									
								
							| 
						 | 
				
			
			@ -811,6 +811,28 @@ if test x$unsigned_char = xyes; then
 | 
			
		|||
	CFLAGS="$CFLAGS -funsigned-char"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
dnl does this compiler support -Wno-unused-result ?
 | 
			
		||||
AC_MSG_CHECKING([if gcc accepts -Wno-unused-result ])
 | 
			
		||||
 | 
			
		||||
safe_CFLAGS=$CFLAGS
 | 
			
		||||
CFLAGS="-Wno-unused-result"
 | 
			
		||||
 | 
			
		||||
AC_TRY_COMPILE(, [
 | 
			
		||||
int main () { return 0 ; }
 | 
			
		||||
],
 | 
			
		||||
[
 | 
			
		||||
no_unused_result=yes
 | 
			
		||||
AC_MSG_RESULT([yes])
 | 
			
		||||
], [
 | 
			
		||||
no_unused_result=no
 | 
			
		||||
AC_MSG_RESULT([no])
 | 
			
		||||
])
 | 
			
		||||
CFLAGS=$safe_CFLAGS
 | 
			
		||||
 | 
			
		||||
if test x$no_unused_result = xyes; then
 | 
			
		||||
	CFLAGS="$CFLAGS -Wno-unused-result"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
dnl *********************************************************************
 | 
			
		||||
dnl ** FUNCTIONS/LIBS/CFLAGS ********************************************
 | 
			
		||||
dnl *********************************************************************
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
	Add table
		
		Reference in a new issue