add macro define for inlining
diff --git a/build/exe.mk b/build/exe.mk
index de67348..0ea110a 100644
--- a/build/exe.mk
+++ b/build/exe.mk
@@ -33,7 +33,7 @@
 include ../../build/config.mk
 
 debug   : CFLAGS = -g -O0 -DDEBUG $(DEBUG_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(RELEASE_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(RELEASE_CFLAGS) -Wall -W -Winline -DFLAC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
 
 LFLAGS  = -L$(LIBPATH)
 
diff --git a/build/lib.mk b/build/lib.mk
index ec0dc0c..1a32af1 100644
--- a/build/lib.mk
+++ b/build/lib.mk
@@ -32,7 +32,7 @@
 include ../../build/config.mk
 
 debug   : CFLAGS = -g -O0 -DDEBUG $(DEBUG_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(RELEASE_CFLAGS) -Wall -W -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(RELEASE_CFLAGS) -Wall -W -Winline -DFLAC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
 
 LFLAGS  = -L$(LIBPATH)
 
diff --git a/configure.in b/configure.in
index d2d2c68..c74ab25 100644
--- a/configure.in
+++ b/configure.in
@@ -141,7 +141,7 @@
 else
 CFLAGS="$CFLAGS -O3 -DNDEBUG"
 	if test x$GCC = xyes; then
-		CFLAGS="$CFLAGS -fomit-frame-pointer -funroll-loops -finline-functions"
+		CFLAGS="$CFLAGS -fomit-frame-pointer -funroll-loops -finline-functions -Winline -DFLAC__INLINE=__inline__"
 	fi
 fi