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-rw-r--r--nuttx/ChangeLog2
-rw-r--r--nuttx/TODO19
-rw-r--r--nuttx/arch/sim/src/Makefile10
-rw-r--r--nuttx/configs/sim/README.txt11
-rw-r--r--nuttx/configs/sim/mount/Make.defs23
-rw-r--r--nuttx/configs/sim/nettest/Make.defs23
-rw-r--r--nuttx/configs/sim/nsh/Make.defs23
-rw-r--r--nuttx/configs/sim/nsh2/Make.defs23
-rw-r--r--nuttx/configs/sim/nx/Make.defs23
-rw-r--r--nuttx/configs/sim/nxffs/Make.defs23
-rw-r--r--nuttx/configs/sim/ostest/Make.defs23
-rw-r--r--nuttx/configs/sim/pashello/Make.defs24
12 files changed, 177 insertions, 50 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog
index 8531c341d..dfc703183 100644
--- a/nuttx/ChangeLog
+++ b/nuttx/ChangeLog
@@ -2374,3 +2374,5 @@
one APB2 timer.
* arch/mips/src/pic32mx/pic32mx-ethernet.c: The PIC32 Ethernet driver is
code complete, but still untested.
+ * confgs/sim/*/Make.defs and arch/sim/src/Makefile: Add support for building
+ a 32-bit executable on a 64-bit Linux target.
diff --git a/nuttx/TODO b/nuttx/TODO
index 29ac94ce6..f4a154a23 100644
--- a/nuttx/TODO
+++ b/nuttx/TODO
@@ -1,4 +1,4 @@
-NuttX TODO List (Last updated January 3, 2012)
+NuttX TODO List (Last updated January 17, 2012)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This file summarizes known NuttX bugs, limitations, inconsistencies with
@@ -21,7 +21,7 @@ nuttx/
(1) Pascal add-on (pcode/)
(1) Documentation (Documentation/)
(7) Build system / Toolchains
- (6) Linux/Cywgin simulation (arch/sim)
+ (5) Linux/Cywgin simulation (arch/sim)
(4) ARM (arch/arm/)
(1) ARM/C5471 (arch/arm/src/c5471/)
(3) ARM/DM320 (arch/arm/src/dm320/)
@@ -752,21 +752,6 @@ o Linux/Cywgin simulation (arch/sim)
Status: Open
Priority: Low (because the simulator is only a test/development platform)
- Title: SIMULATOR BUILD ON 64-BIT MACHINES
- Description: Simulator does not build correctly on 64-bit machines. Two
- issues:
- 1) It saves addresses in 32-bit types and these fail when cast
- to pointers on a 64-bit host.
- 2) up_setjmp.S does not build
- Status: Open
- Priority: Medium and increasing (as 32-bit hosts gradually disappear). NOTE
- is it possible to work-around this limitation by building the sim
- target for 32-bit operation on a 64-bit platform. Modify the
- Make.defs file in the appropriate places so that -m32 is included
- in the CFLAGS and -m32 and -melf_386 are included in the LDFLAGS.
- See the patch 0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch
- that can be found at http://tech.groups.yahoo.com/group/nuttx/files.
-
Title: SIMULATOR NETWORKING SUPPORT
Description: I never did get networking to work on the sim Linux target. On Linux,
it tries to use the tap device (/dev/net/tun) to emulate an Ethernet
diff --git a/nuttx/arch/sim/src/Makefile b/nuttx/arch/sim/src/Makefile
index bf26b32a9..9189a2165 100644
--- a/nuttx/arch/sim/src/Makefile
+++ b/nuttx/arch/sim/src/Makefile
@@ -1,8 +1,8 @@
############################################################################
# arch/sim/src/Makefile
#
-# Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved.
-# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+# Copyright (C) 2007, 2008, 2011-2012 Gregory Nutt. All rights reserved.
+# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
@@ -87,8 +87,6 @@ HOSTOBJS = $(HOSTSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS) $(HOSTSRCS)
OBJS = $(AOBJS) $(COBJS) $(HOSTOBJS)
-LDFLAGS = $(ARCHSCRIPT)
-
# Determine which standard libraries will need to be linked in
ifeq ($(CONFIG_SIM_X11FB),y)
@@ -173,7 +171,7 @@ Cygwin-names.dat: nuttx-names.dat
nuttx.rel : libarch$(LIBEXT) board/libboard$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
@echo "LD: nuttx.rel"
- @$(LD) -r $(LDFLAGS) $(LDPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
+ @$(LD) -r $(LDLINKFLAGS) $(LDPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
@$(OBJCOPY) --redefine-syms=$(HOSTOS)-names.dat $@
# Generate the final NuttX binary by linking the host-specific objects with the NuttX
@@ -181,7 +179,7 @@ nuttx.rel : libarch$(LIBEXT) board/libboard$(LIBEXT) $(HOSTOS)-names.dat $(LINKO
nuttx$(EXEEXT): cleanrel nuttx.rel $(HOSTOBJS)
@echo "LD: nuttx$(EXEEXT)"
- @$(CC) $(LDFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(DRVLIB) $(STDLIBS)
+ @$(CC) $(CCLINKFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(DRVLIB) $(STDLIBS)
@$(NM) $(TOPDIR)/$@ | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
sort > $(TOPDIR)/System.map
diff --git a/nuttx/configs/sim/README.txt b/nuttx/configs/sim/README.txt
index b5c057e05..c7005271c 100644
--- a/nuttx/configs/sim/README.txt
+++ b/nuttx/configs/sim/README.txt
@@ -97,10 +97,15 @@ addresses should not be retained in uint32_t types but rather in uintptr_t types
to avoid issues just like this.
The workaround on 64-bit machines for now is to build for a 32-bit target on the
-64-bit machine. This workaround involves modifying the Make.defs file in the
+64-bit machine. The workaround for this issue has been included in NuttX 6.15 and
+beyond. For thoses versions, you must add CONFIG_SIM_M32=y to the .config file in
+order to enable building a 32-bit image on a 64-bit platform.
+
+For older versions of NuttX, a patch also exists. The patch the Make.defs file in the
appropriate places so that -m32 is included in the CFLAGS and -m32 and -melf_386
-are included in the LDFLAGS. See the patch 0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch
-that can be found at http://tech.groups.yahoo.com/group/nuttx/files.
+are included in the LDFLAGS. See the patch
+0001-Quick-hacks-to-build-sim-nsh-ostest-on-x86_64-as-32-.patch that can be found at
+http://tech.groups.yahoo.com/group/nuttx/files.
Stack Size Issues
-----------------
diff --git a/nuttx/configs/sim/mount/Make.defs b/nuttx/configs/sim/mount/Make.defs
index 498291077..e3e1a8576 100644
--- a/nuttx/configs/sim/mount/Make.defs
+++ b/nuttx/configs/sim/mount/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/mount/Make.defs
#
-# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/nettest/Make.defs b/nuttx/configs/sim/nettest/Make.defs
index cf0134b9b..a1052492a 100644
--- a/nuttx/configs/sim/nettest/Make.defs
+++ b/nuttx/configs/sim/nettest/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/Make.defs
#
-# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/nsh/Make.defs b/nuttx/configs/sim/nsh/Make.defs
index 1330ade1e..83bc35d76 100644
--- a/nuttx/configs/sim/nsh/Make.defs
+++ b/nuttx/configs/sim/nsh/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/nsh/Make.defs
#
-# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/nsh2/Make.defs b/nuttx/configs/sim/nsh2/Make.defs
index 39b33dc7d..7fba83b72 100644
--- a/nuttx/configs/sim/nsh2/Make.defs
+++ b/nuttx/configs/sim/nsh2/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/nsh2/Make.defs
#
-# Copyright (C) Gregory Nutt. All rights reserved.
+# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -54,6 +54,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -80,8 +85,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/nx/Make.defs b/nuttx/configs/sim/nx/Make.defs
index 70f6066e1..91e42aced 100644
--- a/nuttx/configs/sim/nx/Make.defs
+++ b/nuttx/configs/sim/nx/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/nx/Make.defs
#
-# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/nxffs/Make.defs b/nuttx/configs/sim/nxffs/Make.defs
index 9010d2bb4..e7d5b6d50 100644
--- a/nuttx/configs/sim/nxffs/Make.defs
+++ b/nuttx/configs/sim/nxffs/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/nxffs/Make.defs
#
-# Copyright (C) 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/ostest/Make.defs b/nuttx/configs/sim/ostest/Make.defs
index cf0134b9b..a1052492a 100644
--- a/nuttx/configs/sim/ostest/Make.defs
+++ b/nuttx/configs/sim/ostest/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/Make.defs
#
-# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,8 +84,20 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
+endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
endif
define PREPROCESS
diff --git a/nuttx/configs/sim/pashello/Make.defs b/nuttx/configs/sim/pashello/Make.defs
index 40dc5acb1..6f662adc0 100644
--- a/nuttx/configs/sim/pashello/Make.defs
+++ b/nuttx/configs/sim/pashello/Make.defs
@@ -1,7 +1,7 @@
############################################################################
# configs/sim/pashello/Make.defs
#
-# Copyright (C) 2007-2008, 2011 Gregory Nutt. All rights reserved.
+# Copyright (C) 2007-2008, 2011-2012 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,11 @@ ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
+ifeq ($(CONFIG_SIM_M32),y)
+ ARCHCPUFLAGS += -m32
+ ARCHCPUFLAGSXX += -m32
+endif
+
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
@@ -79,9 +84,22 @@ else
EXEEXT =
endif
-ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
- LDFLAGS += -g
+LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
+CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
+LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
+
+ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
+ LDLINKFLAGS += -g
+ CCLINKFLAGS += -g
+ LDFLAGS += -g
endif
+
+ifeq ($(CONFIG_SIM_M32),y)
+ LDLINKFLAGS += -melf_i386
+ CCLINKFLAGS += -m32
+ LDFLAGS += -m32
+endif
+
EXTRA_LIBS = -lm
define PREPROCESS
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-31 14:16:39 +0000