[openwrt/openwrt] tools: add gnulib source

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/fe33d5ba13370027165b9acf2bd895f5b4d9a4ea

commit fe33d5ba13370027165b9acf2bd895f5b4d9a4ea
Author: Michael Pratt <mcpratt at pm.me>
AuthorDate: Wed Mar 22 18:29:24 2023 -0400

    tools: add gnulib source
    
    By having a local copy of gnulib, we can:
    import the latest macro fixes into any package,
    get rid of some statically stored macros that were otherwise missing,
    bootstrap GNU tools with the latest relevant source
    without having to wait for a release or rely on git submodules,
    and possibly more...
    
    The patch assists in bootstrapping by ignoring
    the building of po files using gettext,
    and also to allow a user-defined path to a program
    to include parameters.
    
    Signed-off-by: Michael Pratt <mcpratt at pm.me>
---
 rules.mk                                 |  1 +
 tools/Makefile                           |  1 +
 tools/gnulib/Makefile                    | 25 +++++++++++++++
 tools/gnulib/patches/000-bootstrap.patch | 54 ++++++++++++++++++++++++++++++++
 4 files changed, 81 insertions(+)

diff --git a/rules.mk b/rules.mk
index cc7904ac72..dcac49667b 100644
--- a/rules.mk
+++ b/rules.mk
@@ -358,6 +358,7 @@ ifeq ($(CONFIG_BUILD_LOG),y)
 endif
 
 export BISON_PKGDATADIR:=$(STAGING_DIR_HOST)/share/bison
+export HOST_GNULIB_SRCDIR:=$(STAGING_DIR_HOST)/share/gnulib
 export M4:=$(STAGING_DIR_HOST)/bin/m4
 
 define shvar
diff --git a/tools/Makefile b/tools/Makefile
index 7e8fbad107..3bf94827cf 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -45,6 +45,7 @@ tools-y += findutils
 tools-y += firmware-utils
 tools-y += flex
 tools-y += gengetopt
+tools-y += gnulib
 tools-y += libressl
 tools-y += libtool
 tools-y += lzma
diff --git a/tools/gnulib/Makefile b/tools/gnulib/Makefile
new file mode 100644
index 0000000000..c5b7e78c54
--- /dev/null
+++ b/tools/gnulib/Makefile
@@ -0,0 +1,25 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=gnulib
+PKG_CPE_ID:=cpe:/a:gnu:$(PKG_NAME)
+PKG_VERSION:=f9a4ee73c3e7b544f640d0d04b55983d3a7b894e# # master
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=https://git.savannah.gnu.org/cgit/$(PKG_NAME).git/snapshot
+PKG_HASH:=514716d58987a9c0de0d69fb22d42bcd19edf80eed099882a004ff162060f1a8
+
+include $(INCLUDE_DIR)/host-build.mk
+
+define Host/Configure
+endef
+
+define Host/Install
+	$(INSTALL_DIR) $(1)/share/gnulib
+	$(CP) $(HOST_BUILD_DIR)/* $(1)/share/gnulib/
+endef
+
+define Host/Clean
+	rm -rf $(STAGING_DIR_HOST)/share/gnulib
+endef
+
+$(eval $(call HostBuild))
diff --git a/tools/gnulib/patches/000-bootstrap.patch b/tools/gnulib/patches/000-bootstrap.patch
new file mode 100644
index 0000000000..40ed41125c
--- /dev/null
+++ b/tools/gnulib/patches/000-bootstrap.patch
@@ -0,0 +1,54 @@
+--- a/build-aux/bootstrap
++++ b/build-aux/bootstrap
+@@ -237,14 +237,14 @@ test -r "$conffile" && . "$conffile"
+ 
+ check_exists() {
+   if test "$1" = "--verbose"; then
+-    ($2 --version </dev/null) >/dev/null 2>&1
++    ($2 $3 $4 --version </dev/null) >/dev/null 2>&1
+     if test $? -ge 126; then
+       # If not found, run with diagnostics as one may be
+       # presented with env variables to set to find the right version
+-      ($2 --version </dev/null)
++      ($2 $3 $4 --version </dev/null)
+     fi
+   else
+-    ($1 --version </dev/null) >/dev/null 2>&1
++    ($@ --version </dev/null) >/dev/null 2>&1
+   fi
+ 
+   test $? -lt 126
+@@ -309,7 +309,7 @@ p
+ q'
+ 
+ get_version() {
+-  app=$1
++  app="$@"
+ 
+   $app --version >/dev/null 2>&1 || { $app --version; return 1; }
+ 
+@@ -366,13 +366,13 @@ check_versions() {
+     if [ "$req_ver" = "-" ]; then
+       # Merely require app to exist; not all prereq apps are well-behaved
+       # so we have to rely on $? rather than get_version.
+-      if ! check_exists --verbose $app; then
++      if ! check_exists --verbose "$app"; then
+         warn_ "Error: '$app' not found"
+         ret=1
+       fi
+     else
+       # Require app to produce a new enough version string.
+-      inst_ver=$(get_version $app)
++      inst_ver=$(get_version "$app")
+       if [ ! "$inst_ver" ]; then
+         warn_ "Error: '$app' not found"
+         ret=1
+@@ -1135,7 +1135,7 @@ autogen()
+   # two just-pre-run programs.
+ 
+   # Import from gettext.
+-  with_gettext=yes
++  with_gettext=no
+   grep '^[	 ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \
+       with_gettext=no
+