Add PIC flags early so tests they affect give correct results

This is mainly the checks for ebx on x86, but possibly others too.

Originally committed as revision 19687 to svn://svn.ffmpeg.org/ffmpeg/trunk

common.mak

@@ -22,14 +22,14 @@ CPPFLAGS := -DHAVE_AV_CONFIG_H -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
 
 %.o: %.c
 	$(CCDEP)
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) $(LIBOBJFLAGS) -c $(CC_O) $<
+	$(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
 
 %.o: %.S
 	$(ASDEP)
-	$(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
+	$(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
 
 %.ho: %.h
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
+	$(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
 
 %$(EXESUF): %.c
 

configure

@@ -2051,6 +2051,12 @@ check_deps $ARCH_EXT_LIST
 
 disabled optimizations || check_cflags -fomit-frame-pointer
 
+if enabled pic; then
+    add_cppflags -DPIC
+    add_cflags   -fPIC
+    add_asflags  -fPIC
+fi
+
 check_cc <<EOF || die "Symbol mangling check failed."
 int ff_extern;
 EOF
@@ -2443,8 +2449,6 @@ elif enabled gcc; then
     check_cflags -fno-tree-vectorize
 fi
 
-enabled pic && LIBOBJFLAGS='$(PIC)'
-
 if enabled gprof; then
     add_cflags  -p
     add_ldflags -p
@@ -2634,8 +2638,6 @@ echo "LDFLAGS=$LDFLAGS" >> config.mak
 echo "FFSERVERLDFLAGS=$FFSERVERLDFLAGS" >> config.mak
 echo "SHFLAGS=$SHFLAGS" >> config.mak
 echo "YASMFLAGS=$YASMFLAGS" >> config.mak
-echo "LIBOBJFLAGS=$LIBOBJFLAGS" >> config.mak
-echo "PIC=-fPIC -DPIC" >> config.mak
 echo "BUILDSUF=$build_suffix" >> config.mak
 echo "FULLNAME=$FULLNAME" >> config.mak
 echo "LIBPREF=$LIBPREF" >> config.mak