Merging upstream version 6.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

35 files changed, 774 insertions, 0 deletions

diff --git a/share/mk/configure/build-depends/bsdextrautils.mk b/share/mk/configure/build-depends/bsdextrautils.mk
new file mode 100644
index 0000000..347e4bc
--- /dev/null
+++ b/share/mk/configure/build-depends/bsdextrautils.mk
@@ -0,0 +1,18 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_BSDEXTRAUTILS_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_BSDEXTRAUTILS_INCLUDED := 1
+
+
+DEFAULT_COLFLAGS := \
+	-b \
+	-p \
+	-x
+EXTRA_COLFLAGS   :=
+COLFLAGS         := $(DEFAULT_COLFLAGS) $(EXTRA_COLFLAGS)
+COL              := col
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/bzip2.mk b/share/mk/configure/build-depends/bzip2.mk
new file mode 100644
index 0000000..71e6366
--- /dev/null
+++ b/share/mk/configure/build-depends/bzip2.mk
@@ -0,0 +1,15 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_BZIP2_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_BZIP2_INCLUDED := 1
+
+
+DEFAULT_BZIP2FLAGS :=
+EXTRA_BZIP2FLAGS   :=
+BZIP2FLAGS         := $(DEFAULT_BZIP2FLAGS) $(EXTRA_BZIP2FLAGS)
+BZIP2              := bzip2
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/cc.mk b/share/mk/configure/build-depends/cc.mk
new file mode 100644
index 0000000..85470a4
--- /dev/null
+++ b/share/mk/configure/build-depends/cc.mk
@@ -0,0 +1,63 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CC_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CC_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/coreutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/grep.mk
+include $(MAKEFILEDIR)/configure/build-depends/sed.mk
+
+
+CC := gcc
+
+
+CC_VENDOR := \
+	$(shell \
+		$(CC) -v 2>&1 \
+		| $(SED) -n '1p;$$p' \
+		| $(SED) '/gcc version/s/.*/gcc/' \
+		| $(SED) '/clang version/s/.*/clang/' \
+		| $(SED) '/Apple LLVM version/s/.*/clang/' \
+		| $(GREP) -e '^gcc$$' -e '^clang$$' \
+		|| $(ECHO) unknown; \
+	)
+
+
+COMMON_CFLAGS := \
+	-O3 \
+	-flto \
+	-Wall \
+	-Wextra \
+	-Werror \
+	-Wstrict-prototypes \
+	-Wdeclaration-after-statement \
+	-Wno-error=unused-parameter \
+	-Wno-error=sign-compare \
+	-Wno-error=format \
+	-Wno-error=uninitialized
+
+
+GCC_CFLAGS := -fanalyzer
+
+
+CLANG_CFLAGS := \
+	-Weverything \
+	-Wno-unsafe-buffer-usage
+
+
+DEFAULT_CFLAGS := $(COMMON_CFLAGS)
+
+ifeq ($(CC_VENDOR),gcc)
+DEFAULT_CFLAGS += $(GCC_CFLAGS)
+else ifeq ($(CC_VENDOR),clang)
+DEFAULT_CFLAGS += $(CLANG_CFLAGS)
+endif
+
+EXTRA_CFLAGS   :=
+CFLAGS         := $(DEFAULT_CFLAGS) $(EXTRA_CFLAGS)
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/checkpatch.mk b/share/mk/configure/build-depends/checkpatch.mk
new file mode 100644
index 0000000..0b29d9f
--- /dev/null
+++ b/share/mk/configure/build-depends/checkpatch.mk
@@ -0,0 +1,19 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CHECKPATCH_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CHECKPATCH_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/src.mk
+
+
+CHECKPATCH_CONF         := $(SYSCONFDIR)/checkpatch/checkpatch.conf
+DEFAULT_CHECKPATCHFLAGS :=
+EXTRA_CHECKPATCHFLAGS   :=
+CHECKPATCHFLAGS         := $(DEFAULT_CHECKPATCHFLAGS) $(EXTRA_CHECKPATCHFLAGS)
+CHECKPATCH              := checkpatch
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/clang-tidy.mk b/share/mk/configure/build-depends/clang-tidy.mk
new file mode 100644
index 0000000..2d818f9
--- /dev/null
+++ b/share/mk/configure/build-depends/clang-tidy.mk
@@ -0,0 +1,22 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CLANG_TIDY_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CLANG_TIDY_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/src.mk
+
+
+CLANG_TIDY_CONF         := $(SYSCONFDIR)/clang-tidy/config.yaml
+DEFAULT_CLANG_TIDYFLAGS := \
+	--config-file=$(CLANG_TIDY_CONF) \
+	--quiet \
+	--use-color
+EXTRA_CLANG_TIDYFLAGS   :=
+CLANG_TIDYFLAGS         := $(DEFAULT_CLANG_TIDYFLAGS) $(EXTRA_CLANG_TIDYFLAGS)
+CLANG_TIDY              := clang-tidy
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/clang.mk b/share/mk/configure/build-depends/clang.mk
new file mode 100644
index 0000000..b44ccb5
--- /dev/null
+++ b/share/mk/configure/build-depends/clang.mk
@@ -0,0 +1,19 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CLANG_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CLANG_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/cc.mk
+
+
+DEFAULT_CLANGFLAGS := \
+	$(COMMON_CFLAGS) \
+	$(CLANG_CFLAGS)
+EXTRA_CLANGFLAGS   :=
+CLANGFLAGS         := $(DEFAULT_CLANGFLAGS) $(EXTRA_CLANGFLAGS)
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/coreutils.mk b/share/mk/configure/build-depends/coreutils.mk
new file mode 100644
index 0000000..2fe97fe
--- /dev/null
+++ b/share/mk/configure/build-depends/coreutils.mk
@@ -0,0 +1,32 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_COREUTILS_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_COREUTILS_INCLUDED := 1
+
+
+CAT      := cat
+CP       := cp
+ECHO     := echo
+EXPR     := expr
+HEAD     := head
+INSTALL  := install
+LN       := ln
+MKDIR    := mkdir
+REALPATH := realpath
+RM       := rm
+SORT     := sort
+STAT     := stat
+TAC      := tac
+TAIL     := tail
+TEST     := test
+TOUCH    := touch
+TRUE     := true
+
+
+INSTALL_DATA    := $(INSTALL) -m 644
+INSTALL_DIR     := $(INSTALL) -m 755 -d
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/cpp.mk b/share/mk/configure/build-depends/cpp.mk
new file mode 100644
index 0000000..b720898
--- /dev/null
+++ b/share/mk/configure/build-depends/cpp.mk
@@ -0,0 +1,20 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPP_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPP_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/cc.mk
+include $(MAKEFILEDIR)/configure/build-depends/pkgconf.mk
+include $(MAKEFILEDIR)/configure/verbose.mk
+
+
+DEFAULT_CPPFLAGS := $(shell $(PKGCONF_CMD) --cflags $(PKGCONF_LIBS) $(HIDE_ERR))
+EXTRA_CPPFLAGS   :=
+CPPFLAGS         := $(DEFAULT_CPPFLAGS) $(EXTRA_CPPFLAGS)
+CPP              := $(CC) $(CFLAGS) -E
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/cppcheck.mk b/share/mk/configure/build-depends/cppcheck.mk
new file mode 100644
index 0000000..93a9b75
--- /dev/null
+++ b/share/mk/configure/build-depends/cppcheck.mk
@@ -0,0 +1,24 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPPCHECK_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPPCHECK_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/src.mk
+
+
+CPPCHECK_SUPPRESS     := $(SYSCONFDIR)/cppcheck/cppcheck.suppress
+DEFAULT_CPPCHECKFLAGS := \
+	--enable=all \
+	--error-exitcode=2 \
+	--inconclusive \
+	--quiet \
+	--suppressions-list=$(CPPCHECK_SUPPRESS)
+EXTRA_CPPCHECKFLAGS   :=
+CPPCHECKFLAGS         := $(DEFAULT_CPPCHECKFLAGS) $(EXTRA_CPPCHECKFLAGS)
+CPPCHECK              := cppcheck
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/cpplint.mk b/share/mk/configure/build-depends/cpplint.mk
new file mode 100644
index 0000000..586d646
--- /dev/null
+++ b/share/mk/configure/build-depends/cpplint.mk
@@ -0,0 +1,19 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPPLINT_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_CPPLINT_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/src.mk
+
+
+CPPLINT_CONF         := $(SYSCONFDIR)/cpplint/cpplint.cfg
+DEFAULT_CPPLINTFLAGS :=
+EXTRA_CPPLINTFLAGS   :=
+CPPLINTFLAGS         := $(DEFAULT_CPPLINTFLAGS) $(EXTRA_CPPLINTFLAGS)
+CPPLINT              := cpplint
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/diffoscope.mk b/share/mk/configure/build-depends/diffoscope.mk
new file mode 100644
index 0000000..a9e48b3
--- /dev/null
+++ b/share/mk/configure/build-depends/diffoscope.mk
@@ -0,0 +1,12 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_DIFFOSCOPE_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_DIFFOSCOPE_INCLUDED := 1
+
+
+DIFFOSCOPE := diffoscope
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/findutils.mk b/share/mk/configure/build-depends/findutils.mk
new file mode 100644
index 0000000..536f921
--- /dev/null
+++ b/share/mk/configure/build-depends/findutils.mk
@@ -0,0 +1,13 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_FINDUTILS_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_FINDUTILS_INCLUDED := 1
+
+
+FIND    := find
+XARGS   := xargs
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/git.mk b/share/mk/configure/build-depends/git.mk
new file mode 100644
index 0000000..a861bed
--- /dev/null
+++ b/share/mk/configure/build-depends/git.mk
@@ -0,0 +1,12 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GIT_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GIT_INCLUDED := 1
+
+
+GIT := git
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/grep.mk b/share/mk/configure/build-depends/grep.mk
new file mode 100644
index 0000000..7d89691
--- /dev/null
+++ b/share/mk/configure/build-depends/grep.mk
@@ -0,0 +1,12 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GREP_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GREP_INCLUDED := 1
+
+
+GREP := grep
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/groff-base.mk b/share/mk/configure/build-depends/groff-base.mk
new file mode 100644
index 0000000..ab1f98d
--- /dev/null
+++ b/share/mk/configure/build-depends/groff-base.mk
@@ -0,0 +1,72 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_BASE_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_BASE_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/coreutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/grep.mk
+include $(MAKEFILEDIR)/configure/build-depends/libc-bin.mk
+include $(MAKEFILEDIR)/configure/build-depends/man.mk
+
+
+DEFAULT_PRECONVFLAGS :=
+EXTRA_PRECONVFLAGS   :=
+PRECONVFLAGS         := $(DEFAULT_PRECONVFLAGS) $(EXTRA_PRECONVFLAGS)
+PRECONV              := preconv
+
+
+DEFAULT_PICFLAGS :=
+EXTRA_PICFLAGS   :=
+PICFLAGS         := $(DEFAULT_PICFLAGS) $(EXTRA_PICFLAGS)
+PIC              := pic
+
+
+TBL := tbl
+
+
+DEFAULT_EQNFLAGS :=
+EXTRA_EQNFLAGS   :=
+EQNFLAGS         := $(DEFAULT_EQNFLAGS) $(EXTRA_EQNFLAGS)
+EQN              := eqn
+
+
+DEFAULT_TROFFFLAGS := -wbreak
+EXTRA_TROFFFLAGS   :=
+TROFFFLAGS         := $(DEFAULT_TROFFFLAGS) $(EXTRA_TROFFFLAGS)
+TROFF              := troff
+
+
+TROFF_CHECKSTYLE_LVL := 3
+NROFF_LINE_LENGTH    := $(shell $(EXPR) $(MANWIDTH) - 2)
+NROFF_OUT_DEVICE     := \
+	$(shell $(LOCALE) charmap \
+		| $(GREP) -i 'utf-*8' >/dev/null \
+		&& $(ECHO) utf8 \
+		|| $(ECHO) ascii \
+	)
+
+DEFAULT_NROFFFLAGS := \
+	-T$(NROFF_OUT_DEVICE) \
+	-rLL=$(NROFF_LINE_LENGTH)n \
+	-rCHECKSTYLE=$(TROFF_CHECKSTYLE_LVL) \
+	-ww
+EXTRA_NROFFFLAGS   :=
+NROFFFLAGS         := $(DEFAULT_NROFFFLAGS) $(EXTRA_NROFFFLAGS)
+
+
+DEFAULT_GROTTYFLAGS := -c
+EXTRA_GROTTYFLAGS   :=
+GROTTYFLAGS         := $(DEFAULT_GROTTYFLAGS) $(EXTRA_GROTTYFLAGS)
+GROTTY              := grotty
+
+
+DEFAULT_GROPSFLAGS :=
+EXTRA_GROPSFLAGS   :=
+GROPSFLAGS         := $(DEFAULT_GROPSFLAGS) $(EXTRA_GROPSFLAGS)
+GROPS              := grops
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/groff.mk b/share/mk/configure/build-depends/groff.mk
new file mode 100644
index 0000000..ea0c7a3
--- /dev/null
+++ b/share/mk/configure/build-depends/groff.mk
@@ -0,0 +1,21 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GROFF_INCLUDED := 1
+
+
+DEFAULT_GROPDFFLAGS :=
+EXTRA_GROPDFFLAGS   :=
+GROPDFFLAGS         := $(DEFAULT_GROPDFFLAGS) $(EXTRA_GROPDFFLAGS)
+GROPDF              := gropdf
+
+
+DEFAULT_POST_GROHTMLFLAGS :=
+EXTRA_POST_GROHTMLFLAGS   :=
+POST_GROHTMLFLAGS         := $(DEFAULT_POST_GROHTMLFLAGS) $(EXTRA_POST_GROHTMLFLAGS)
+POST_GROHTML              := post-grohtml
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/gzip.mk b/share/mk/configure/build-depends/gzip.mk
new file mode 100644
index 0000000..6633654
--- /dev/null
+++ b/share/mk/configure/build-depends/gzip.mk
@@ -0,0 +1,15 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_GZIP_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_GZIP_INCLUDED := 1
+
+
+DEFAULT_GZIPFLAGS := -n
+EXTRA_GZIPFLAGS   :=
+GZIPFLAGS         := $(DEFAULT_GZIPFLAGS) $(EXTRA_GZIPFLAGS)
+GZIP              := gzip
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/iwyu.mk b/share/mk/configure/build-depends/iwyu.mk
new file mode 100644
index 0000000..bd5cf7f
--- /dev/null
+++ b/share/mk/configure/build-depends/iwyu.mk
@@ -0,0 +1,17 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_IWYU_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_IWYU_INCLUDED := 1
+
+
+DEFAULT_IWYUFLAGS := \
+	-Xiwyu --no_fwd_decls \
+	-Xiwyu --error
+EXTRA_IWYUFLAGS   :=
+IWYUFLAGS         := $(DEFAULT_IWYUFLAGS) $(EXTRA_IWYUFLAGS)
+IWYU              := iwyu
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/ld.mk b/share/mk/configure/build-depends/ld.mk
new file mode 100644
index 0000000..a78a189
--- /dev/null
+++ b/share/mk/configure/build-depends/ld.mk
@@ -0,0 +1,50 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_LD_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_LD_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/cc.mk
+include $(MAKEFILEDIR)/configure/build-depends/coreutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/pkgconf.mk
+include $(MAKEFILEDIR)/configure/verbose.mk
+
+
+LD := $(CC) $(CFLAGS)
+
+
+LD_HAS_FUSE_LINKER_PLUGIN := \
+	$(shell \
+		$(ECHO) 'int main(void) {}' \
+		| $(LD) -fuse-linker-plugin -x c -o /dev/null /dev/stdin $(HIDE_ERR) \
+		&& $(ECHO) yes \
+		|| $(ECHO) no; \
+	)
+
+
+DEFAULT_LDFLAGS := \
+	-Wl,--as-needed \
+	-Wl,--no-allow-shlib-undefined \
+	-Wl,--no-copy-dt-needed-entries \
+	-Wl,--no-undefined \
+	$(shell $(PKGCONF_CMD) --libs-only-L $(PKGCONF_LIBS) $(HIDE_ERR)) \
+	$(shell $(PKGCONF_CMD) --libs-only-other $(PKGCONF_LIBS) $(HIDE_ERR))
+
+ifeq ($(LD_HAS_FUSE_LINKER_PLUGIN),yes)
+DEFAULT_LDFLAGS += -fuse-linker-plugin
+endif
+
+EXTRA_LDFLAGS   :=
+LDFLAGS         := $(DEFAULT_LDFLAGS) $(EXTRA_LDFLAGS)
+
+
+DEFAULT_LDLIBS := \
+	-lc \
+	$(shell $(PKGCONF_CMD) --libs-only-l $(PKGCONF_LIBS) $(HIDE_ERR))
+EXTRA_LDLIBS   :=
+LDLIBS         := $(DEFAULT_LDLIBS) $(EXTRA_LDLIBS)
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/libc-bin.mk b/share/mk/configure/build-depends/libc-bin.mk
new file mode 100644
index 0000000..281502b
--- /dev/null
+++ b/share/mk/configure/build-depends/libc-bin.mk
@@ -0,0 +1,12 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_LIBC_BIN_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_LIBC_BIN_INCLUDED := 1
+
+
+LOCALE := locale
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/lzip.mk b/share/mk/configure/build-depends/lzip.mk
new file mode 100644
index 0000000..e18868f
--- /dev/null
+++ b/share/mk/configure/build-depends/lzip.mk
@@ -0,0 +1,15 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_LZIP_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_LZIP_INCLUDED := 1
+
+
+DEFAULT_LZIPFLAGS :=
+EXTRA_LZIPFLAGS   :=
+LZIPFLAGS         := $(DEFAULT_LZIPFLAGS) $(EXTRA_LZIPFLAGS)
+LZIP              := lzip
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/man.mk b/share/mk/configure/build-depends/man.mk
new file mode 100644
index 0000000..5248d42
--- /dev/null
+++ b/share/mk/configure/build-depends/man.mk
@@ -0,0 +1,12 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_MAN_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_MAN_INCLUDED := 1
+
+
+MANWIDTH ?= 80
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/mandoc.mk b/share/mk/configure/build-depends/mandoc.mk
new file mode 100644
index 0000000..87eccd6
--- /dev/null
+++ b/share/mk/configure/build-depends/mandoc.mk
@@ -0,0 +1,15 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_MANDOC_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_MANDOC_INCLUDED := 1
+
+
+DEFAULT_MANDOCFLAGS := -Tlint
+EXTRA_MANDOCFLAGS   :=
+MANDOCFLAGS         := $(DEFAULT_MANDOCFLAGS) $(EXTRA_MANDOCFLAGS)
+MANDOC              := mandoc
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/moreutils.mk b/share/mk/configure/build-depends/moreutils.mk
new file mode 100644
index 0000000..69b60fa
--- /dev/null
+++ b/share/mk/configure/build-depends/moreutils.mk
@@ -0,0 +1,12 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_MOREUTILS_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_MOREUTILS_INCLUDED := 1
+
+
+SPONGE := sponge
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/pkgconf.mk b/share/mk/configure/build-depends/pkgconf.mk
new file mode 100644
index 0000000..b7b5c3f
--- /dev/null
+++ b/share/mk/configure/build-depends/pkgconf.mk
@@ -0,0 +1,27 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_PKGCONF_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_PKGCONF_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/src.mk
+include $(MAKEFILEDIR)/configure/version.mk
+
+
+# Compat
+PKG_CONFIG := pkgconf
+
+
+DEFAULT_PKGCONFFLAGS :=
+EXTRA_PKGCONFFLAGS   :=
+PKGCONFFLAGS         := $(DEFAULT_PKGCONFFLAGS) $(EXTRA_PKGCONFFLAGS)
+PKGCONF              := $(PKG_CONFIG)
+PKGCONF_CMD          := $(PKGCONF) $(PKGCONFFLAGS)
+
+
+PKGCONF_LIBS := libbsd-overlay
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/sed.mk b/share/mk/configure/build-depends/sed.mk
new file mode 100644
index 0000000..3d1fcd8
--- /dev/null
+++ b/share/mk/configure/build-depends/sed.mk
@@ -0,0 +1,12 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_SED_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_SED_INCLUDED := 1
+
+
+SED := sed
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/tar.mk b/share/mk/configure/build-depends/tar.mk
new file mode 100644
index 0000000..3ea5537
--- /dev/null
+++ b/share/mk/configure/build-depends/tar.mk
@@ -0,0 +1,22 @@
+# Copyright 2021-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_TAR_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_TAR_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/version.mk
+
+
+DEFAULT_TARFLAGS := \
+	--sort=name \
+	--owner=root:0 \
+	--group=root:0 \
+	--mtime='$(DISTDATE)'
+EXTRA_TARFLAGS   :=
+TARFLAGS         := $(DEFAULT_TARFLAGS) $(EXTRA_TARFLAGS)
+TAR              := tar
+
+
+endif  # include guard
diff --git a/share/mk/configure/build-depends/xz-utils.mk b/share/mk/configure/build-depends/xz-utils.mk
new file mode 100644
index 0000000..d00a3b7
--- /dev/null
+++ b/share/mk/configure/build-depends/xz-utils.mk
@@ -0,0 +1,15 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_BUILD_DEPENDS_XZ_UTILS_INCLUDED
+MAKEFILE_CONFIGURE_BUILD_DEPENDS_XZ_UTILS_INCLUDED := 1
+
+
+DEFAULT_XZFLAGS :=
+EXTRA_XZFLAGS   :=
+XZFLAGS         := $(DEFAULT_XZFLAGS) $(EXTRA_XZFLAGS)
+XZ              := xz
+
+
+endif  # include guard
diff --git a/share/mk/configure/directory_variables.mk b/share/mk/configure/directory_variables.mk
new file mode 100644
index 0000000..e4ee616
--- /dev/null
+++ b/share/mk/configure/directory_variables.mk
@@ -0,0 +1,29 @@
+# Copyright 2021-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_DIRECTORY_VARIABLES_INCLUDED
+MAKEFILE_CONFIGURE_DIRECTORY_VARIABLES_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/src.mk
+
+
+builddir := .tmp
+
+
+DESTDIR     :=
+prefix      := /usr/local
+datarootdir := $(prefix)/share
+docdir      := $(datarootdir)/doc
+htmldir     := $(docdir)/html/man
+mandir      := $(datarootdir)/man
+
+
+$(foreach s, $(MANSECTIONS),                                                  \
+	$(eval man$(s)dir := $(mandir)/man$(s)))
+$(foreach s, $(MANSECTIONS),                                                  \
+	$(eval man$(s)ext := .$(s)))
+
+
+endif  # include guard
diff --git a/share/mk/configure/link_pages.mk b/share/mk/configure/link_pages.mk
new file mode 100644
index 0000000..52136ef
--- /dev/null
+++ b/share/mk/configure/link_pages.mk
@@ -0,0 +1,18 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_LINK_PAGES_INCLUDED
+MAKEFILE_CONFIGURE_LINK_PAGES_INCLUDED := 1
+
+
+LINK_PAGES := .so
+ifeq ($(LINK_PAGES),.so)
+else ifeq ($(LINK_PAGES),symlink)
+else
+$(warning "LINK_PAGES": "$(LINK_PAGES)")
+$(error Valid values for "LINK_PAGES": [".so", "symlink"])
+endif
+
+
+endif  # include guard
diff --git a/share/mk/configure/src.mk b/share/mk/configure/src.mk
new file mode 100644
index 0000000..2a24f4e
--- /dev/null
+++ b/share/mk/configure/src.mk
@@ -0,0 +1,16 @@
+# Copyright 2021-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_SRC_INCLUDED
+MAKEFILE_CONFIGURE_SRC_INCLUDED := 1
+
+
+SYSCONFDIR := $(srcdir)/etc
+MANDIR     := $(srcdir)
+
+
+MANSECTIONS := $(patsubst $(MANDIR)/man%/, %, $(wildcard $(MANDIR)/man*/))
+
+
+endif  # include guard
diff --git a/share/mk/configure/verbose.mk b/share/mk/configure/verbose.mk
new file mode 100644
index 0000000..d6372db
--- /dev/null
+++ b/share/mk/configure/verbose.mk
@@ -0,0 +1,12 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_VERBOSE_INCLUDED
+MAKEFILE_CONFIGURE_VERBOSE_INCLUDED := 1
+
+
+HIDE_ERR := 2>/dev/null
+
+
+endif  # include guard
diff --git a/share/mk/configure/version.mk b/share/mk/configure/version.mk
new file mode 100644
index 0000000..cc89bae
--- /dev/null
+++ b/share/mk/configure/version.mk
@@ -0,0 +1,43 @@
+# Copyright 2022-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_VERSION_INCLUDED
+MAKEFILE_CONFIGURE_VERSION_INCLUDED := 1
+
+
+include $(MAKEFILEDIR)/configure/build-depends/coreutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/findutils.mk
+include $(MAKEFILEDIR)/configure/build-depends/git.mk
+include $(MAKEFILEDIR)/configure/build-depends/grep.mk
+include $(MAKEFILEDIR)/configure/verbose.mk
+
+
+DISTNAME := man-pages-6.7
+DISTVERSION := 6.7
+
+
+DISTFILESCMD := \
+	$(FIND) $(srcdir) -not -type d \
+	| $(GREP) -v '^$(srcdir)/.git$$' \
+	| $(GREP) -v '^$(srcdir)/.git/' \
+	| $(GREP) -v '^$(srcdir)/.tmp/' \
+	| $(GREP) -v '^$(srcdir)/.checkpatch-camelcase.' \
+	| $(SORT)
+
+DISTDATECMD := \
+	$(ECHO) '$(DISTVERSION)' \
+	| if $(GREP) -- '-dirty$$' >/dev/null; then \
+		$(DISTFILESCMD) \
+		| $(XARGS) $(STAT) -c %y \
+		| $(SORT) -n \
+		| $(TAIL) -n1; \
+	else \
+		$(GIT) log -1 --format='%cD'; \
+	fi;
+
+
+DISTDATE := Tue, 19 Mar 2024 19:07:13 +0100
+
+
+endif  # include guard
diff --git a/share/mk/configure/xfail.mk b/share/mk/configure/xfail.mk
new file mode 100644
index 0000000..44e4ede
--- /dev/null
+++ b/share/mk/configure/xfail.mk
@@ -0,0 +1,18 @@
+# Copyright 2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_XFAIL_INCLUDED
+MAKEFILE_CONFIGURE_XFAIL_INCLUDED := 1
+
+
+SKIP_XFAIL := yes
+ifeq ($(SKIP_XFAIL),yes)
+else ifeq ($(SKIP_XFAIL),no)
+else
+$(warning "SKIP_XFAIL": "$(SKIP_XFAIL)")
+$(error Valid values for "SKIP_XFAIL": ["yes", "no"])
+endif
+
+
+endif  # include guard
diff --git a/share/mk/configure/z.mk b/share/mk/configure/z.mk
new file mode 100644
index 0000000..2eec437
--- /dev/null
+++ b/share/mk/configure/z.mk
@@ -0,0 +1,21 @@
+# Copyright 2023-2024, Alejandro Colomar <alx@kernel.org>
+# SPDX-License-Identifier: LGPL-3.0-only WITH LGPL-3.0-linking-exception
+
+
+ifndef MAKEFILE_CONFIGURE_Z_INCLUDED
+MAKEFILE_CONFIGURE_Z_INCLUDED := 1
+
+
+Z :=
+ifeq ($(Z),)
+else ifeq ($(Z),.bz2)
+else ifeq ($(Z),.gz)
+else ifeq ($(Z),.lz)
+else ifeq ($(Z),.xz)
+else
+$(warning "Z": "$(Z)")
+$(error Valid values for "Z": ["", ".bz2", ".gz", ".lz", ".xz"])
+endif
+
+
+endif  # include guard