Table of Contents
- I. Getting started
- II. User guide
- 6. Buildroot configuration
- 7. Configuration of other components
- 8. General Buildroot usage
- 8.1. make tips
- 8.2. Understanding when a full rebuild is necessary
- 8.3. Understanding how to rebuild packages
- 8.4. Offline builds
- 8.5. Building out-of-tree
- 8.6. Environment variables
- 8.7. Dealing efficiently with filesystem images
- 8.8. Details about packages
- 8.9. Graphing the dependencies between packages
- 8.10. Graphing the build duration
- 8.11. Graphing the filesystem size contribution of packages
- 8.12. Top-level parallel build
- 8.13. Integration with Eclipse
- 8.14. Advanced usage
- 9. Project-specific customization
- 9.1. Recommended directory structure
- 9.2. Keeping customizations outside of Buildroot
- 9.3. Storing the Buildroot configuration
- 9.4. Storing the configuration of other components
- 9.5. Customizing the generated target filesystem
- 9.6. Adding custom user accounts
- 9.7. Customization after the images have been created
- 9.8. Adding project-specific patches
- 9.9. Adding project-specific packages
- 9.10. Quick guide to storing your project-specific customizations
- 10. Using SELinux in Buildroot
- 11. Frequently Asked Questions & Troubleshooting
- 11.1. The boot hangs after Starting network…
- 11.2. Why is there no compiler on the target?
- 11.3. Why are there no development files on the target?
- 11.4. Why is there no documentation on the target?
- 11.5. Why are some packages not visible in the Buildroot config menu?
- 11.6. Why not use the target directory as a chroot directory?
- 11.7. Why doesn’t Buildroot generate binary packages (.deb, .ipkg…)?
- 11.8. How to speed-up the build process?
- 12. Known issues
- 13. Legal notice and licensing
- 14. Beyond Buildroot
- III. Developer guide
- 15. How Buildroot works
- 16. Coding style
- 17. Adding support for a particular board
- 18. Adding new packages to Buildroot
- 18.1. Package directory
- 18.2. Config files
- 18.3. The
.mkfile - 18.4. The
.hashfile - 18.5. Infrastructure for packages with specific build systems
- 18.6. Infrastructure for autotools-based packages
- 18.7. Infrastructure for CMake-based packages
- 18.8. Infrastructure for Python packages
- 18.9. Infrastructure for LuaRocks-based packages
- 18.10. Infrastructure for Perl/CPAN packages
- 18.11. Infrastructure for virtual packages
- 18.12. Infrastructure for packages using kconfig for configuration files
- 18.13. Infrastructure for rebar-based packages
- 18.14. Infrastructure for Waf-based packages
- 18.15. Infrastructure for Meson-based packages
- 18.16. Integration of Cargo-based packages
- 18.17. Infrastructure for Go packages
- 18.18. Infrastructure for QMake-based packages
- 18.19. Infrastructure for packages building kernel modules
- 18.20. Infrastructure for asciidoc documents
- 18.21. Infrastructure specific to the Linux kernel package
- 18.22. Hooks available in the various build steps
- 18.23. Gettext integration and interaction with packages
- 18.24. Tips and tricks
- 18.25. Conclusion
- 19. Patching a package
- 20. Download infrastructure
- 21. Debugging Buildroot
- 22. Contributing to Buildroot
- 23. DEVELOPERS file and get-developers
- 24. Release Engineering
- IV. Appendix
List of Examples
Buildroot 2020.11-rc3 manual generated on 2020-11-28 -10:11:19 UTC from git revision a418d0ac51
The Buildroot manual is written by the Buildroot developers. +
Table of Contents
- I. Getting started
- II. User guide
- 6. Buildroot configuration
- 7. Configuration of other components
- 8. General Buildroot usage
- 8.1. make tips
- 8.2. Understanding when a full rebuild is necessary
- 8.3. Understanding how to rebuild packages
- 8.4. Offline builds
- 8.5. Building out-of-tree
- 8.6. Environment variables
- 8.7. Dealing efficiently with filesystem images
- 8.8. Details about packages
- 8.9. Graphing the dependencies between packages
- 8.10. Graphing the build duration
- 8.11. Graphing the filesystem size contribution of packages
- 8.12. Top-level parallel build
- 8.13. Integration with Eclipse
- 8.14. Advanced usage
- 9. Project-specific customization
- 9.1. Recommended directory structure
- 9.2. Keeping customizations outside of Buildroot
- 9.3. Storing the Buildroot configuration
- 9.4. Storing the configuration of other components
- 9.5. Customizing the generated target filesystem
- 9.6. Adding custom user accounts
- 9.7. Customization after the images have been created
- 9.8. Adding project-specific patches
- 9.9. Adding project-specific packages
- 9.10. Quick guide to storing your project-specific customizations
- 10. Using SELinux in Buildroot
- 11. Frequently Asked Questions & Troubleshooting
- 11.1. The boot hangs after Starting network…
- 11.2. Why is there no compiler on the target?
- 11.3. Why are there no development files on the target?
- 11.4. Why is there no documentation on the target?
- 11.5. Why are some packages not visible in the Buildroot config menu?
- 11.6. Why not use the target directory as a chroot directory?
- 11.7. Why doesn’t Buildroot generate binary packages (.deb, .ipkg…)?
- 11.8. How to speed-up the build process?
- 12. Known issues
- 13. Legal notice and licensing
- 14. Beyond Buildroot
- III. Developer guide
- 15. How Buildroot works
- 16. Coding style
- 17. Adding support for a particular board
- 18. Adding new packages to Buildroot
- 18.1. Package directory
- 18.2. Config files
- 18.3. The
.mkfile - 18.4. The
.hashfile - 18.5. Infrastructure for packages with specific build systems
- 18.6. Infrastructure for autotools-based packages
- 18.7. Infrastructure for CMake-based packages
- 18.8. Infrastructure for Python packages
- 18.9. Infrastructure for LuaRocks-based packages
- 18.10. Infrastructure for Perl/CPAN packages
- 18.11. Infrastructure for virtual packages
- 18.12. Infrastructure for packages using kconfig for configuration files
- 18.13. Infrastructure for rebar-based packages
- 18.14. Infrastructure for Waf-based packages
- 18.15. Infrastructure for Meson-based packages
- 18.16. Integration of Cargo-based packages
- 18.17. Infrastructure for Go packages
- 18.18. Infrastructure for QMake-based packages
- 18.19. Infrastructure for packages building kernel modules
- 18.20. Infrastructure for asciidoc documents
- 18.21. Infrastructure specific to the Linux kernel package
- 18.22. Hooks available in the various build steps
- 18.23. Gettext integration and interaction with packages
- 18.24. Tips and tricks
- 18.25. Conclusion
- 19. Patching a package
- 20. Download infrastructure
- 21. Debugging Buildroot
- 22. Contributing to Buildroot
- 23. DEVELOPERS file and get-developers
- 24. Release Engineering
- IV. Appendix
List of Examples
Buildroot 2020.11 manual generated on 2020-12-02 +22:28:59 UTC from git revision 9624a001f9
The Buildroot manual is written by the Buildroot developers. It is licensed under the GNU General Public License, version 2. Refer to the -COPYING +COPYING file in the Buildroot sources for the full text of this license.
Copyright © 2004-2020 The Buildroot developers
Buildroot is a tool that simplifies and automates the process of building a complete Linux system for an embedded system, using cross-compilation.
In order to achieve this, Buildroot is able to generate a diff --git a/buildroot/docs/manual/manual.pdf b/buildroot/docs/manual/manual.pdf index e60ed4617..56f54f84f 100644 Binary files a/buildroot/docs/manual/manual.pdf and b/buildroot/docs/manual/manual.pdf differ diff --git a/buildroot/docs/manual/manual.text b/buildroot/docs/manual/manual.text index 13bbcd8fc..b77db9051 100644 --- a/buildroot/docs/manual/manual.text +++ b/buildroot/docs/manual/manual.text @@ -174,13 +174,13 @@ List of Examples --------------------------------------------------------------------- -Buildroot 2020.11-rc3 manual generated on 2020-11-28 10:11:23 UTC -from git revision a418d0ac51 +Buildroot 2020.11 manual generated on 2020-12-02 22:29:04 UTC from +git revision 9624a001f9 The Buildroot manual is written by the Buildroot developers. It is licensed under the GNU General Public License, version 2. Refer to the COPYING [http://git.buildroot.org/buildroot/tree/COPYING?id= -a418d0ac51e192adc54300f16b46b12a42b2b117] file in the Buildroot +9624a001f9d4314f8bcc9219df717d4c41fb5373] file in the Buildroot sources for the full text of this license. Copyright © 2004-2020 The Buildroot developers diff --git a/buildroot/docs/website/download.html b/buildroot/docs/website/download.html index beebbbea9..b971db39b 100644 --- a/buildroot/docs/website/download.html +++ b/buildroot/docs/website/download.html @@ -42,40 +42,40 @@
Latest stable release: 2020.08.2
+Latest stable release: 2020.11
News
-
+
-
+ +++++
2020.11 released
+2 December 2020
+++The stable 2020.11 release is out - Thanks to everyone + contributing and testing the release candidates. See the + CHANGES + file for more details + and go to the downloads page to pick up the + 2020.11 release.
+
+
-
diff --git a/buildroot/package/binutils/Config.in.host b/buildroot/package/binutils/Config.in.host index b690b952d..89c6894a1 100644 --- a/buildroot/package/binutils/Config.in.host +++ b/buildroot/package/binutils/Config.in.host @@ -39,7 +39,7 @@ config BR2_BINUTILS_VERSION_2_35_X depends on !BR2_BINFMT_FLAT config BR2_BINUTILS_VERSION_ARC - bool "binutils arc (2.31)" + bool "binutils arc (2.34.50)" depends on BR2_arc config BR2_BINUTILS_VERSION_CSKY diff --git a/buildroot/package/bustle/bustle.mk b/buildroot/package/bustle/bustle.mk index 675ffb052..1dbad64ae 100644 --- a/buildroot/package/bustle/bustle.mk +++ b/buildroot/package/bustle/bustle.mk @@ -6,7 +6,7 @@ BUSTLE_VERSION = 0.7.5 BUSTLE_SITE = https://www.freedesktop.org/software/bustle/$(BUSTLE_VERSION) -BUSTLE_LICENSE = LGPL-2.1+ +BUSTLE_LICENSE = LGPL-2.1+, GPL-3.0 (binaries) BUSTLE_LICENSE_FILES = LICENSE BUSTLE_DEPENDENCIES = libglib2 libpcap host-pkgconf diff --git a/buildroot/package/docker-containerd/docker-containerd.hash b/buildroot/package/docker-containerd/docker-containerd.hash index 2ec3d042b..c5cfc137b 100644 --- a/buildroot/package/docker-containerd/docker-containerd.hash +++ b/buildroot/package/docker-containerd/docker-containerd.hash @@ -1,3 +1,3 @@ # Computed locally -sha256 d410b8efc94e4124990f01de7107223971be8c9258fc651decf9e0ba648485b5 docker-containerd-1.4.1.tar.gz +sha256 bc6d9452c700af0ebc09c0da8ddba55be4c03ac8928e72ca92d98905800c8018 docker-containerd-1.4.3.tar.gz sha256 4bbe3b885e8cd1907ab4cf9a41e862e74e24b5422297a4f2fe524e6a30ada2b4 LICENSE diff --git a/buildroot/package/docker-containerd/docker-containerd.mk b/buildroot/package/docker-containerd/docker-containerd.mk index e4a410501..8ce3f0685 100644 --- a/buildroot/package/docker-containerd/docker-containerd.mk +++ b/buildroot/package/docker-containerd/docker-containerd.mk @@ -4,7 +4,7 @@ # ################################################################################ -DOCKER_CONTAINERD_VERSION = 1.4.1 +DOCKER_CONTAINERD_VERSION = 1.4.3 DOCKER_CONTAINERD_SITE = $(call github,containerd,containerd,v$(DOCKER_CONTAINERD_VERSION)) DOCKER_CONTAINERD_LICENSE = Apache-2.0 DOCKER_CONTAINERD_LICENSE_FILES = LICENSE diff --git a/buildroot/package/gcc/Config.in.host b/buildroot/package/gcc/Config.in.host index 10688ff56..2ed159314 100644 --- a/buildroot/package/gcc/Config.in.host +++ b/buildroot/package/gcc/Config.in.host @@ -9,7 +9,7 @@ choice Select the version of gcc you wish to use. config BR2_GCC_VERSION_ARC - bool "gcc arc (9.x)" + bool "gcc arc (10.x)" # Only supported architecture depends on BR2_arc select BR2_TOOLCHAIN_GCC_AT_LEAST_9 diff --git a/buildroot/package/gcc/arc-2020.09-release/0001-arc-Refurbish-adc-sbc-patterns.patch b/buildroot/package/gcc/arc-2020.09-release/0001-arc-Refurbish-adc-sbc-patterns.patch new file mode 100644 index 000000000..3292b26a4 --- /dev/null +++ b/buildroot/package/gcc/arc-2020.09-release/0001-arc-Refurbish-adc-sbc-patterns.patch @@ -0,0 +1,243 @@ +From b92c22b144d063c4436a6693045ceb57d344c495 Mon Sep 17 00:00:00 2001 +From: Claudiu Zissulescu
(PATTERN (insn))) +- insn = seq->insn (seq->len () - 1); +- return arc_attr_type (insn) == TYPE_COMPARE; +-} +- +-/* Return true if INSN is an instruction with a delay slot we may want +- to fill. */ +- +-bool +-arc_need_delay (rtx_insn *insn) +-{ +- rtx_insn *next; +- +- if (!flag_delayed_branch) +- return false; +- /* The return at the end of a function needs a delay slot. */ +- if (NONJUMP_INSN_P (insn) && GET_CODE (PATTERN (insn)) == USE +- && (!(next = next_active_insn (insn)) +- || ((!NONJUMP_INSN_P (next) || GET_CODE (PATTERN (next)) != SEQUENCE) +- && arc_attr_type (next) == TYPE_RETURN)) +- && (!TARGET_PAD_RETURN +- || (prev_active_insn (insn) +- && prev_active_insn (prev_active_insn (insn)) +- && prev_active_insn (prev_active_insn (prev_active_insn (insn)))))) +- return true; +- if (NONJUMP_INSN_P (insn) +- ? (GET_CODE (PATTERN (insn)) == USE +- || GET_CODE (PATTERN (insn)) == CLOBBER +- || GET_CODE (PATTERN (insn)) == SEQUENCE) +- : JUMP_P (insn) +- ? (GET_CODE (PATTERN (insn)) == ADDR_VEC +- || GET_CODE (PATTERN (insn)) == ADDR_DIFF_VEC) +- : !CALL_P (insn)) +- return false; +- return num_delay_slots (insn) != 0; +-} +- +-/* Return true if the scheduling pass(es) has/have already run, +- i.e. where possible, we should try to mitigate high latencies +- by different instruction selection. */ +- +-bool +-arc_scheduling_not_expected (void) +-{ +- return cfun->machine->arc_reorg_started; +-} +- + /* Code has a minimum p2 alignment of 1, which we must restore after + an ADDR_DIFF_VEC. */ + +diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md +index f91adbc0d94..c635b69ddd5 100644 +--- a/gcc/config/arc/arc.md ++++ b/gcc/config/arc/arc.md +@@ -2847,43 +2847,25 @@ archs4x, archs4xd" + (set_attr "type" "compare") + (set_attr "length" "4,4,8")]) + +-; w/c/c comes first (rather than w/0/C_0) to prevent the middle-end +-; needlessly prioritizing the matching constraint. +-; Rcw/0/C_0 comes before w/c/L so that the lower latency conditional +-; execution is used where possible. +-(define_insn_and_split "adc" +- [(set (match_operand:SI 0 "dest_reg_operand" "=w,Rcw,w,Rcw,w") +- (plus:SI (plus:SI (ltu:SI (reg:CC_C CC_REG) (const_int 0)) +- (match_operand:SI 1 "nonmemory_operand" +- "%c,0,c,0,cCal")) +- (match_operand:SI 2 "nonmemory_operand" "c,C_0,L,I,cCal")))] ++(define_insn "adc" ++ [(set (match_operand:SI 0 "register_operand" "=r, r,r,r, r,r") ++ (plus:SI ++ (plus:SI ++ (ltu:SI (reg:CC_C CC_REG) (const_int 0)) ++ (match_operand:SI 1 "nonmemory_operand" "%r, 0,r,0,Cal,r")) ++ (match_operand:SI 2 "nonmemory_operand" "r,C_0,L,I, r,Cal")))] + "register_operand (operands[1], SImode) + || register_operand (operands[2], SImode)" + "@ +- adc %0,%1,%2 +- add.cs %0,%1,1 +- adc %0,%1,%2 +- adc %0,%1,%2 +- adc %0,%1,%2" +- ; if we have a bad schedule after sched2, split. +- "reload_completed +- && !optimize_size && (!TARGET_ARC600_FAMILY) +- && arc_scheduling_not_expected () +- && arc_sets_cc_p (prev_nonnote_insn (insn)) +- /* If next comes a return or other insn that needs a delay slot, +- expect the adc to get into the delay slot. */ +- && next_nonnote_insn (insn) +- && !arc_need_delay (next_nonnote_insn (insn)) +- /* Restore operands before emitting. */ +- && (extract_insn_cached (insn), 1)" +- [(set (match_dup 0) (match_dup 3)) +- (cond_exec +- (ltu (reg:CC_C CC_REG) (const_int 0)) +- (set (match_dup 0) (plus:SI (match_dup 0) (const_int 1))))] +- "operands[3] = simplify_gen_binary (PLUS, SImode, operands[1], operands[2]);" ++ adc\\t%0,%1,%2 ++ add.cs\\t%0,%1,1 ++ adc\\t%0,%1,%2 ++ adc\\t%0,%1,%2 ++ adc\\t%0,%1,%2 ++ adc\\t%0,%1,%2" + [(set_attr "cond" "use") + (set_attr "type" "cc_arith") +- (set_attr "length" "4,4,4,4,8")]) ++ (set_attr "length" "4,4,4,4,8,8")]) + + ; combiner-splitter cmp / scc -> cmp / adc + (define_split +@@ -3015,7 +2997,7 @@ archs4x, archs4xd" + DONE; + } + emit_insn (gen_sub_f (l0, l1, l2)); +- emit_insn (gen_sbc (h0, h1, h2, gen_rtx_REG (CCmode, CC_REG))); ++ emit_insn (gen_sbc (h0, h1, h2)); + DONE; + ") + +@@ -3030,44 +3012,25 @@ archs4x, archs4xd" + (set_attr "type" "cc_arith") + (set_attr "length" "4")]) + +-; w/c/c comes first (rather than Rcw/0/C_0) to prevent the middle-end +-; needlessly prioritizing the matching constraint. +-; Rcw/0/C_0 comes before w/c/L so that the lower latency conditional execution +-; is used where possible. +-(define_insn_and_split "sbc" +- [(set (match_operand:SI 0 "dest_reg_operand" "=w,Rcw,w,Rcw,w") +- (minus:SI (minus:SI (match_operand:SI 1 "nonmemory_operand" +- "c,0,c,0,cCal") +- (ltu:SI (match_operand:CC_C 3 "cc_use_register") +- (const_int 0))) +- (match_operand:SI 2 "nonmemory_operand" "c,C_0,L,I,cCal")))] ++(define_insn "sbc" ++ [(set (match_operand:SI 0 "dest_reg_operand" "=r,r,r,r,r,r") ++ (minus:SI ++ (minus:SI ++ (match_operand:SI 1 "nonmemory_operand" "r, 0,r,0, r,Cal") ++ (ltu:SI (reg:CC_C CC_REG) (const_int 0))) ++ (match_operand:SI 2 "nonmemory_operand" "r,C_0,L,I,Cal,r")))] + "register_operand (operands[1], SImode) + || register_operand (operands[2], SImode)" + "@ +- sbc %0,%1,%2 +- sub.cs %0,%1,1 +- sbc %0,%1,%2 +- sbc %0,%1,%2 +- sbc %0,%1,%2" +- ; if we have a bad schedule after sched2, split. +- "reload_completed +- && !optimize_size && (!TARGET_ARC600_FAMILY) +- && arc_scheduling_not_expected () +- && arc_sets_cc_p (prev_nonnote_insn (insn)) +- /* If next comes a return or other insn that needs a delay slot, +- expect the adc to get into the delay slot. */ +- && next_nonnote_insn (insn) +- && !arc_need_delay (next_nonnote_insn (insn)) +- /* Restore operands before emitting. */ +- && (extract_insn_cached (insn), 1)" +- [(set (match_dup 0) (match_dup 4)) +- (cond_exec +- (ltu (reg:CC_C CC_REG) (const_int 0)) +- (set (match_dup 0) (plus:SI (match_dup 0) (const_int -1))))] +- "operands[4] = simplify_gen_binary (MINUS, SImode, operands[1], operands[2]);" ++ sbc\\t%0,%1,%2 ++ sub.cs\\t%0,%1,1 ++ sbc\\t%0,%1,%2 ++ sbc\\t%0,%1,%2 ++ sbc\\t%0,%1,%2 ++ sbc\\t%0,%1,%2" + [(set_attr "cond" "use") + (set_attr "type" "cc_arith") +- (set_attr "length" "4,4,4,4,8")]) ++ (set_attr "length" "4,4,4,4,8,8")]) + + (define_insn "sub_f" + [(set (reg:CC CC_REG) diff --git a/buildroot/package/gnuplot/0002-without-history.patch b/buildroot/package/gnuplot/0002-without-history.patch deleted file mode 100644 index 6091da841..000000000 --- a/buildroot/package/gnuplot/0002-without-history.patch +++ /dev/null @@ -1,17 +0,0 @@ -history.c: Patch to solve the 'undefined reference to gp_read_history' - -Signed-off-by: Michael Fischer to card.h to follow gcc10 porting + guide + +[Upstream: https://github.com/tomba/kmsxx/commit/b53f9d383c9189a897c44cd88a8fc1b871fdc8a2.patch] +Signed-off-by: Peter Seiderer + #include + #include