Merge branch 'master' into structured_opnorm

Author: mcognetta

.github/FUNDING.yml

@@ -0,0 +1 @@
+custom: https://numfocus.org/donate-to-julia

.github/SECURITY.md

@@ -0,0 +1,15 @@
+# Security Policy
+
+## Supported Versions
+
+The LTS and current stable releases of Julia are the ones supported for security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| LTS     | :white_check_mark: |
+| Stable  | :white_check_mark: |
+| < 1.0   | :x:                |
+
+## Reporting a Vulnerability
+
+Please report security vulnerabilities by emailing [email protected].

Make.inc

@@ -126,11 +126,19 @@ endif
 
 # we include twice to pickup user definitions better
 # include from JULIAHOME first so that BUILDROOT can override
-ifeq (exists, $(shell [ -e $(JULIAHOME)/Make.user ] && echo exists ))
-include $(JULIAHOME)/Make.user
+MAYBE_HOST :=
+ifneq ($(BUILDING_HOST_TOOLS),1)
+MAKE_USER_FNAME = Make.user
+else
+MAYBE_HOST := /host
+MAKE_USER_FNAME = Make.host.user
+endif
+
+ifeq (exists, $(shell [ -e $(JULIAHOME)/$(MAKE_USER_FNAME) ] && echo exists ))
+include $(JULIAHOME)/$(MAKE_USER_FNAME)
 endif
-ifeq (exists, $(shell [ -e $(BUILDROOT)/Make.user ] && echo exists ))
-include $(BUILDROOT)/Make.user
+ifeq (exists, $(shell [ -e $(BUILDROOT)/$(MAKE_USER_FNAME) ] && echo exists ))
+include $(BUILDROOT)/$(MAKE_USER_FNAME)
 endif
 
 # disable automatic Makefile rules
@@ -236,8 +244,12 @@ sysconfdir := $(prefix)/etc
 endif
 
 # Directories where things get built into
-build_prefix := $(BUILDROOT)/usr
+build_prefix := $(BUILDROOT)/usr$(MAYBE_HOST)
+ifeq ($(BUILDING_HOST_TOOLS), 1)
+build_staging := $(BUILDROOT)/usr-host-staging
+else
 build_staging := $(build_prefix)-staging
+endif
 build_bindir := $(build_prefix)/bin
 build_depsbindir := $(build_prefix)/tools
 build_libdir := $(build_prefix)/lib
@@ -571,11 +583,11 @@ else
 LOCALBASE ?= /usr
 endif
 
-ifeq (exists, $(shell [ -e $(JULIAHOME)/Make.user ] && echo exists ))
-include $(JULIAHOME)/Make.user
+ifeq (exists, $(shell [ -e $(JULIAHOME)/$(MAKE_USER_FNAME) ] && echo exists ))
+include $(JULIAHOME)/$(MAKE_USER_FNAME)
 endif
-ifeq (exists, $(shell [ -e $(BUILDROOT)/Make.user ] && echo exists ))
-include $(BUILDROOT)/Make.user
+ifeq (exists, $(shell [ -e $(BUILDROOT)/$(MAKE_USER_FNAME) ] && echo exists ))
+include $(BUILDROOT)/$(MAKE_USER_FNAME)
 endif
 
 # A bit of a kludge to work around libraries linking to FreeBSD's outdated system libgcc_s
@@ -1064,7 +1076,7 @@ else ifneq ($(USEMSVC), 1)
 endif
 
 ifeq ($(OS), Linux)
-OSLIBS += -Wl,--no-as-needed -ldl -lrt -lpthread -Wl,--export-dynamic,--as-needed,--no-whole-archive $(LIBUNWIND)
+OSLIBS += -Wl,--no-as-needed -ldl -lrt -lpthread -Wl,--export-dynamic,--as-needed,--no-whole-archive
 # Detect if ifunc is supported
 IFUNC_DETECT_SRC := 'void (*f0(void))(void) { return (void(*)(void))0L; }; void f(void) __attribute__((ifunc("f0")));'
 ifeq (supported, $(shell echo $(IFUNC_DETECT_SRC) | $(CC) -Werror -x c - -S -o /dev/null > /dev/null 2>&1 && echo supported))
@@ -1103,8 +1115,6 @@ OSLIBS += -Wl,--export-dynamic -Wl,--version-script=$(JULIAHOME)/src/julia.expma
 endif
 
 ifeq ($(OS), Darwin)
-INSTALL_NAME_CMD := install_name_tool -id $(INSTALL_NAME_ID_DIR)
-INSTALL_NAME_CHANGE_CMD := install_name_tool -change
 SHLIB_EXT := dylib
 OSLIBS += -framework CoreFoundation $(LIBUNWIND)
 WHOLE_ARCHIVE := -Xlinker -all_load

Makefile

@@ -9,7 +9,7 @@ all: debug release
 # sort is used to remove potential duplicates
 DIRS := $(sort $(build_bindir) $(build_depsbindir) $(build_libdir) $(build_private_libdir) $(build_libexecdir) $(build_includedir) $(build_includedir)/julia $(build_sysconfdir)/julia $(build_datarootdir)/julia $(build_datarootdir)/julia/stdlib $(build_man1dir))
 ifneq ($(BUILDROOT),$(JULIAHOME))
-BUILDDIRS := $(BUILDROOT) $(addprefix $(BUILDROOT)/,base src src/clangsa ui doc deps stdlib test test/embedding test/llvmpasses)
+BUILDDIRS := $(BUILDROOT) $(addprefix $(BUILDROOT)/,base src src/flisp src/support src/clangsa ui doc deps stdlib test test/embedding test/llvmpasses)
 BUILDDIRMAKE := $(addsuffix /Makefile,$(BUILDDIRS)) $(BUILDROOT)/sysimage.mk
 DIRS := $(DIRS) $(BUILDDIRS)
 $(BUILDDIRMAKE): | $(BUILDDIRS)

NEWS.md

@@ -5,6 +5,7 @@ New language features
 ---------------------
 
 * Support for Unicode 12.1.0 ([#32002]).
+* Methods can now be added to an abstract type ([#31916]).
 
 Language changes
 ----------------
@@ -47,6 +48,11 @@ Standard library changes
 
 #### SparseArrays
 
+* `SparseMatrixCSC(m,n,colptr,rowval,nzval)` perform consistency checks for arguments:
+  `colptr` must be properly populated and lengths of `colptr`, `rowval`, and `nzval`
+  must be compatible with `m`, `n`, and `eltype(colptr)`.
+* `sparse(I, J, V, m, n)` verifies lengths of `I`, `J`, `V` are equal and compatible with
+  `eltype(I)` and `m`, `n`.
 
 #### Dates
 
@@ -62,6 +68,11 @@ Standard library changes
 
 * `mean` now accepts both a function argument and a `dims` keyword ([#31576]).
 
+#### Sockets
+
+* Added `InetAddr` constructor from `AbstractString`, representing IP address, and `Integer`,
+  representing port number ([#31459]).
+
 #### Miscellaneous
 
 * `foldr` and `mapfoldr` now work on any iterator that supports `Iterators.reverse`, not just arrays ([#31781]).

base/Base.jl

@@ -267,6 +267,7 @@ include("asyncevent.jl")
 include("stream.jl")
 include("filesystem.jl")
 using .Filesystem
+include("cmd.jl")
 include("process.jl")
 include("grisu/grisu.jl")
 include("secretbuffer.jl")

base/array.jl

@@ -175,6 +175,20 @@ false
 isbitsunion(u::Union) = (@_pure_meta; ccall(:jl_array_store_unboxed, Cint, (Any,), u) != Cint(0))
 isbitsunion(x) = false
 
+isptrelement(t::Type) = (@_pure_meta; ccall(:jl_array_store_unboxed, Cint, (Any,), t) == Cint(0))
+
+function _unsetindex!(A::Array{T}, i::Int) where {T}
+    @boundscheck checkbounds(A, i)
+    if isptrelement(T)
+        t = @_gc_preserve_begin A
+        p = Ptr{Ptr{Cvoid}}(pointer(A))
+        unsafe_store!(p, C_NULL, i)
+        @_gc_preserve_end t
+    end
+    return A
+end
+
+
 """
     Base.bitsunionsize(U::Union)
 
@@ -1267,7 +1281,7 @@ If specified, replacement values from an ordered
 collection will be spliced in place of the removed item.
 
 # Examples
-```jldoctest splice!
+```jldoctest
 julia> A = [6, 5, 4, 3, 2, 1]; splice!(A, 5)
 2
 
@@ -1338,8 +1352,8 @@ To insert `replacement` before an index `n` without removing any items, use
 `splice!(collection, n:n-1, replacement)`.
 
 # Examples
-```jldoctest splice!
-julia> splice!(A, 4:3, 2)
+```jldoctest
+julia> A = [-1, -2, -3, 5, 4, 3, -1]; splice!(A, 4:3, 2)
 0-element Array{Int64,1}
 
 julia> A