[Patch] (2/n) newlib: Move vasniprintf.c to ELIX 1 (was: Build-dependency issues with ELIX_LEVEL)

[Tobias Burnus <tobias@codesourcery.com>]

[-- Attachment #1: Type: text/plain, Size: 1453 bytes --]

Attached is a revised version of the patch in the first email in the thread.
Found when looking for referenced but not provided functions
with nvptx, which sets ELIX Level to 1.


libc/stdio/vdiprintf.c's _vdiprintf_r calls _vasniprintf_r
The file is compiled with ELIX Level 1.

The function _vasniprintf_r is provided either via
* libc/stdio/vasniprintf.c which calls _svfiprintf_r
* libc/stdio/vasnprintf.c (only '#ifdef _NANO_FORMATTED_IO')
   which calls _svfprintf_r

We can ignore the second file as no NANO function calls
it. Thus, only the first file (vasniprintf.c) remains.

The _svfiprintf_r / _svfiprintf_r are provided by
libc/stdio/(nano-)vfprintf.c
Those files are also available with ELIX Level 1.


Solution: Also build vasniprintf.c with ELIX Level 1
instead of building it with ELIX Level 4.

The change should be save as the only library call I see
in that file (vasniprintf.c) is to vfprintf.c. And on the
caller side, the call to _vasniprintf_r is not guarded by
any #if. Thus, no new dependencies should get introduced
by this change.


OK? Comments?

Tobias
(Makefile.inc patch + regenerated Makefile.in as separate patch)
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[-- Attachment #2: 0001-newlib-Move-vasniprintf.c-to-ELIX-1.patch --]
[-- Type: text/x-patch, Size: 1265 bytes --]

From 17cf1375e4f0e5ad02fdaccfd0735536629f014c Mon Sep 17 00:00:00 2001
From: Tobias Burnus <tobias@codesourcery.com>
Date: Wed, 30 Mar 2022 12:17:45 +0200
Subject: [PATCH] newlib: Move vasniprintf.c to ELIX 1

vdiprintf.c is ELIX Level 1 and calls _vasniprintf_r, which is in
vasniprintf.c (before ELIX Level 4 now in 1). The latter only calls
_svfiprintf_r which is provided by vfprintf.c (also ELIX Level 1).
---
 newlib/libc/stdio/Makefile.inc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/newlib/libc/stdio/Makefile.inc b/newlib/libc/stdio/Makefile.inc
index 2126ceaf5..c2b79641e 100644
--- a/newlib/libc/stdio/Makefile.inc
+++ b/newlib/libc/stdio/Makefile.inc
@@ -34,5 +34,6 @@ libc_a_SOURCES += \
 	%D%/vsiprintf.c \
 	%D%/vsiscanf.c \
-	%D%/vsniprintf.c
+	%D%/vsniprintf.c \
+	%D%/vasniprintf.c
 endif
 
@@ -130,5 +131,5 @@ endif !NEWLIB_NANO_FORMATTED_IO
 endif !ELIX_LEVEL_1
 
-## The following are EL/IX level 2 interfaces
+## The following are EL/IX level 4 interfaces
 if ELIX_LEVEL_1
 %C%_ELIX_4_SOURCES =
@@ -193,6 +194,5 @@ if !NEWLIB_NANO_FORMATTED_IO
 %C%_ELIX_4_SOURCES += \
 	%D%/asniprintf.c \
-	%D%/diprintf.c \
-	%D%/vasniprintf.c
+	%D%/diprintf.c
 endif !NEWLIB_NANO_FORMATTED_IO
 endif !ELIX_LEVEL_3
-- 
2.25.1

[-- Attachment #3: re-gen-Makefile.in.diff --]
[-- Type: text/x-patch, Size: 11455 bytes --]

 newlib/Makefile.in | 44 ++++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/newlib/Makefile.in b/newlib/Makefile.in
index 41e41412b..719c8c295 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -238,7 +238,8 @@ check_PROGRAMS =
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/viscanf.c \
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vsiprintf.c \
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vsiscanf.c \
-@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vsniprintf.c
+@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vsniprintf.c \
+@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vasniprintf.c
 
 @HAVE_STDIO_DIR_TRUE@am__append_13 = libc/stdio/clearerr.c \
 @HAVE_STDIO_DIR_TRUE@	libc/stdio/fclose.c libc/stdio/fdopen.c \
@@ -294,8 +295,7 @@ check_PROGRAMS =
 
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@am__append_15 = \
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/asniprintf.c \
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/diprintf.c \
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/vasniprintf.c
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/diprintf.c
 
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO64_DIR_TRUE@am__append_16 = \
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO64_DIR_TRUE@	libc/stdio64/fdopen64.c \
@@ -1145,7 +1145,8 @@ am__objects_5 = libc/stdlib/libc_a-rpmatch.$(OBJEXT) \
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-viscanf.$(OBJEXT) \
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vsiprintf.$(OBJEXT) \
 @HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vsiscanf.$(OBJEXT) \
-@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vsniprintf.$(OBJEXT)
+@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vsniprintf.$(OBJEXT) \
+@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vasniprintf.$(OBJEXT)
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@am__objects_12 = libc/stdio/libc_a-asiprintf.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vasiprintf.$(OBJEXT)
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO_DIR_TRUE@am__objects_13 = libc/stdio/libc_a-asprintf.$(OBJEXT) \
@@ -1158,8 +1159,7 @@ am__objects_5 = libc/stdlib/libc_a-rpmatch.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO_DIR_TRUE@	libc/stdio/libc_a-vasprintf.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@@HAVE_STDIO_DIR_TRUE@	$(am__objects_12)
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@am__objects_14 = libc/stdio/libc_a-asniprintf.$(OBJEXT) \
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-diprintf.$(OBJEXT) \
-@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-vasniprintf.$(OBJEXT)
+@ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@@NEWLIB_NANO_FORMATTED_IO_FALSE@	libc/stdio/libc_a-diprintf.$(OBJEXT)
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@am__objects_15 = libc/stdio/libc_a-asnprintf.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@	libc/stdio/libc_a-clearerr_u.$(OBJEXT) \
 @ELIX_LEVEL_1_FALSE@@ELIX_LEVEL_2_FALSE@@ELIX_LEVEL_3_FALSE@@HAVE_STDIO_DIR_TRUE@	libc/stdio/libc_a-dprintf.$(OBJEXT) \
@@ -5535,6 +5535,8 @@ libc/stdio/libc_a-vsiscanf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
 	libc/stdio/$(DEPDIR)/$(am__dirstamp)
 libc/stdio/libc_a-vsniprintf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
 	libc/stdio/$(DEPDIR)/$(am__dirstamp)
+libc/stdio/libc_a-vasniprintf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
+	libc/stdio/$(DEPDIR)/$(am__dirstamp)
 libc/stdio/libc_a-clearerr.$(OBJEXT): libc/stdio/$(am__dirstamp) \
 	libc/stdio/$(DEPDIR)/$(am__dirstamp)
 libc/stdio/libc_a-fclose.$(OBJEXT): libc/stdio/$(am__dirstamp) \
@@ -5804,8 +5806,6 @@ libc/stdio/libc_a-asniprintf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
 	libc/stdio/$(DEPDIR)/$(am__dirstamp)
 libc/stdio/libc_a-diprintf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
 	libc/stdio/$(DEPDIR)/$(am__dirstamp)
-libc/stdio/libc_a-vasniprintf.$(OBJEXT): libc/stdio/$(am__dirstamp) \
-	libc/stdio/$(DEPDIR)/$(am__dirstamp)
 libc/stdio64/$(am__dirstamp):
 	@$(MKDIR_P) libc/stdio64
 	@: > libc/stdio64/$(am__dirstamp)
@@ -22741,6 +22741,20 @@ libc/stdio/libc_a-vsniprintf.obj: libc/stdio/vsniprintf.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-vsniprintf.obj `if test -f 'libc/stdio/vsniprintf.c'; then $(CYGPATH_W) 'libc/stdio/vsniprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/vsniprintf.c'; fi`
 
+libc/stdio/libc_a-vasniprintf.o: libc/stdio/vasniprintf.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio/libc_a-vasniprintf.o -MD -MP -MF libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo -c -o libc/stdio/libc_a-vasniprintf.o `test -f 'libc/stdio/vasniprintf.c' || echo '$(srcdir)/'`libc/stdio/vasniprintf.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/stdio/vasniprintf.c' object='libc/stdio/libc_a-vasniprintf.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-vasniprintf.o `test -f 'libc/stdio/vasniprintf.c' || echo '$(srcdir)/'`libc/stdio/vasniprintf.c
+
+libc/stdio/libc_a-vasniprintf.obj: libc/stdio/vasniprintf.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio/libc_a-vasniprintf.obj -MD -MP -MF libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo -c -o libc/stdio/libc_a-vasniprintf.obj `if test -f 'libc/stdio/vasniprintf.c'; then $(CYGPATH_W) 'libc/stdio/vasniprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/vasniprintf.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/stdio/vasniprintf.c' object='libc/stdio/libc_a-vasniprintf.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-vasniprintf.obj `if test -f 'libc/stdio/vasniprintf.c'; then $(CYGPATH_W) 'libc/stdio/vasniprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/vasniprintf.c'; fi`
+
 libc/stdio/libc_a-clearerr.o: libc/stdio/clearerr.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio/libc_a-clearerr.o -MD -MP -MF libc/stdio/$(DEPDIR)/libc_a-clearerr.Tpo -c -o libc/stdio/libc_a-clearerr.o `test -f 'libc/stdio/clearerr.c' || echo '$(srcdir)/'`libc/stdio/clearerr.c
 @am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio/$(DEPDIR)/libc_a-clearerr.Tpo libc/stdio/$(DEPDIR)/libc_a-clearerr.Po
@@ -24617,20 +24631,6 @@ libc/stdio/libc_a-diprintf.obj: libc/stdio/diprintf.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-diprintf.obj `if test -f 'libc/stdio/diprintf.c'; then $(CYGPATH_W) 'libc/stdio/diprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/diprintf.c'; fi`
 
-libc/stdio/libc_a-vasniprintf.o: libc/stdio/vasniprintf.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio/libc_a-vasniprintf.o -MD -MP -MF libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo -c -o libc/stdio/libc_a-vasniprintf.o `test -f 'libc/stdio/vasniprintf.c' || echo '$(srcdir)/'`libc/stdio/vasniprintf.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/stdio/vasniprintf.c' object='libc/stdio/libc_a-vasniprintf.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-vasniprintf.o `test -f 'libc/stdio/vasniprintf.c' || echo '$(srcdir)/'`libc/stdio/vasniprintf.c
-
-libc/stdio/libc_a-vasniprintf.obj: libc/stdio/vasniprintf.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio/libc_a-vasniprintf.obj -MD -MP -MF libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo -c -o libc/stdio/libc_a-vasniprintf.obj `if test -f 'libc/stdio/vasniprintf.c'; then $(CYGPATH_W) 'libc/stdio/vasniprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/vasniprintf.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Tpo libc/stdio/$(DEPDIR)/libc_a-vasniprintf.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/stdio/vasniprintf.c' object='libc/stdio/libc_a-vasniprintf.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/stdio/libc_a-vasniprintf.obj `if test -f 'libc/stdio/vasniprintf.c'; then $(CYGPATH_W) 'libc/stdio/vasniprintf.c'; else $(CYGPATH_W) '$(srcdir)/libc/stdio/vasniprintf.c'; fi`
-
 libc/stdio64/libc_a-fdopen64.o: libc/stdio64/fdopen64.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/stdio64/libc_a-fdopen64.o -MD -MP -MF libc/stdio64/$(DEPDIR)/libc_a-fdopen64.Tpo -c -o libc/stdio64/libc_a-fdopen64.o `test -f 'libc/stdio64/fdopen64.c' || echo '$(srcdir)/'`libc/stdio64/fdopen64.c
 @am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/stdio64/$(DEPDIR)/libc_a-fdopen64.Tpo libc/stdio64/$(DEPDIR)/libc_a-fdopen64.Po