Add PIC flags early so tests they affect give correct results

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

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@19687 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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