flist.o: rounding.h
-rounding.h: mkrounding$(EXEEXT)
- @if test x@cross_compiling@ = xno; then \
- ./mkrounding$(EXEEXT) >rounding.h; \
- else \
- echo "Copy the mkrounding$(EXEEXT) command to the target machine and run it like this:"; \
- echo " ./mkrounding$(EXEEXT) >rounding.h"; \
- echo "Then copy the resulting rounding.h file to this build machine and rerun \"make\"."; \
+rounding.h: mkrounding.c rsync.h
+ @for r in 0 1 3; do \
+ if $(CC) $(CFLAGS) $(LDFLAGS) -o mkrounding -DEXTRA_ROUNDING=$$r -I. $(srcdir)/mkrounding.c >/dev/null 2>&1; then \
+ echo "#define EXTRA_ROUNDING $$r" >rounding.h; \
+ if test -f "$$HOME/build_farm/build_test.fns"; then \
+ echo "EXTRA_ROUNDING is $$r" >&2; \
+ fi; \
+ break; \
+ fi; \
+ done
+ @rm -f mkrounding
+ @if test -f rounding.h; then : ; else \
+ echo "Failed to create rounding.h!"; \
exit 1; \
fi
-mkrounding$(EXEEXT): mkrounding.c rsync.h
- @sed '1,/^struct file_struct/d; /^}/,$$d' <$(srcdir)/rsync.h >mkrounding.h
- $(CC) $(CFLAGS) $(LDFLAGS) -o $@ -I. $(srcdir)/mkrounding.c
- @rm mkrounding.h
-
tls$(EXEEXT): $(TLS_OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(TLS_OBJ) $(LIBS)
clean: cleantests
rm -f *~ $(OBJS) $(CHECK_PROGS) $(CHECK_OBJS) $(CHECK_SYMLINKS) \
- mkrounding mkrounding.h rounding.h
+ mkrounding rounding.h
cleantests:
rm -rf ./testtmp*
#include "rsync.h"
-struct test1 {
- union file_extras extras1[1];
- struct {
-# include "mkrounding.h"
- } file;
-};
-
-struct test2 {
- union file_extras extras2[2];
- struct {
-# include "mkrounding.h"
- } file;
-};
+#define ARRAY_LEN (EXTRA_ROUNDING+1)
+#define SIZEOF(x) ((long int)sizeof (x))
-struct test4 {
- union file_extras extras4[4];
- struct {
-# include "mkrounding.h"
- } file;
+struct test {
+ union file_extras extras[ARRAY_LEN];
+ struct file_struct file;
};
-#define SIZE_TEST(n) (sizeof (struct test ## n) == EXTRA_LEN * n + sizeof (struct file_struct))
+#define ACTUAL_SIZE SIZEOF(struct test)
+#define EXPECTED_SIZE (SIZEOF(union file_extras) * ARRAY_LEN + SIZEOF(struct file_struct))
int main(UNUSED(int argc), UNUSED(char *argv[]))
{
- int cnt;
- if (SIZE_TEST(1))
- cnt = 0;
- else if (SIZE_TEST(2))
- cnt = 1;
- else if (SIZE_TEST(4))
- cnt = 3;
- else {
- fprintf(stderr, "Unable to determine required file_extras rounding!\n");
- cnt = 3;
- }
- if (cnt)
- fprintf(stderr, "Rounding file_extras in multiples of %d", cnt + 1);
- else
- fprintf(stderr, "No rounding needed for file_extras");
- fprintf(stderr, " (EXTRA_LEN=%d, FILE_STRUCT_LEN=%d)\n",
- (int)EXTRA_LEN, (int)FILE_STRUCT_LEN);
- printf("#define EXTRA_ROUNDING %d\n", cnt);
+ static int test_array[1 - 2 * (ACTUAL_SIZE != EXPECTED_SIZE)];
+ test_array[0] = 0;
return 0;
}