[Gettext] Upgrade to v0.21 and build for experimental platforms (#3037)

* [Gettext] Upgrade to v0.21 and build for experimental platforms

G/Gettext/build_tarballs.jl

@@ -2,35 +2,56 @@ using BinaryBuilder
 
 # Collection of sources required to build Gettext
 name = "Gettext"
-version = v"0.20.1"
+version = v"0.21.0"
+
 sources = [
-    ArchiveSource("https://ftp.gnu.org/pub/gnu/gettext/gettext-$(version).tar.xz",
-                  "53f02fbbec9e798b0faaf7c73272f83608e835c6288dd58be6c9bb54624a3800"),
+    ArchiveSource("https://ftp.gnu.org/pub/gnu/gettext/gettext-$(version.major).$(version.minor).tar.xz",
+                  "d20fcbb537e02dcf1383197ba05bd0734ef7bf5db06bdb241eb69b7d16b73192"),
+    DirectorySource("./bundled"),
 ]
 
 # Bash recipe for building across all platforms
 script = raw"""
 cd $WORKSPACE/srcdir/gettext-*/
+
 export CFLAGS="-O2"
-./configure --prefix=${prefix} --build=${MACHTYPE} --host=${target}
+export CPPFLAGS="-I${includedir}"
+export LDFLAGS="-L${libdir}"
+
+if [[ "${target}" == *-mingw* ]]; then
+    # Apply patch from https://lists.gnu.org/archive/html/bug-gettext/2020-07/msg00035.html
+    #      ../woe32dll/.libs/libgettextsrc_la-c++format.o: In function `__static_initialization_and_destruction_0':
+    #      /workspace/srcdir/gettext-0.21/gettext-tools/src/../woe32dll/../src/format.c:67: undefined reference to `__imp_formatstring_ruby'
+    atomic_patch -p1 ../patches/0001-build-Fix-build-failure-on-mingw-formatstring_ruby.patch
+fi
+
+./configure --prefix=${prefix} \
+    --build=${MACHTYPE} \
+    --host=${target} \
+    --disable-static \
+    --enable-relocatable \
+    --with-libiconv-prefix=${prefix} \
+    am_cv_lib_iconv=yes \
+    am_cv_func_iconv=yes
 make -j${nproc}
 make install
 """
 
 # These are the platforms we will build for by default, unless further
 # platforms are passed in on the command line
-platforms = supported_platforms()
+platforms = expand_cxxstring_abis(supported_platforms(; experimental=true))
 
 # The products that we will ensure are always built
 products = [
-    LibraryProduct(["libgettextlib", "libgettextlib-0-20"], :libgettext)
+    LibraryProduct(["libgettextlib", "libgettextlib-$(version.major)"], :libgettext)
 ]
 
 # Dependencies that must be installed before this package can be built
 dependencies = [
+    Dependency("CompilerSupportLibraries_jll"),
     Dependency("Libiconv_jll"),
     Dependency("XML2_jll"),
 ]
 
 # Build the tarballs, and possibly a `build.jl` as well.
-build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies)
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies; julia_compat="1.6")

G/Gettext/bundled/patches/0001-build-Fix-build-failure-on-mingw-formatstring_ruby.patch

@@ -0,0 +1,24 @@
+From 296c70c182c93c78c59c751db45823012dad5b4e Mon Sep 17 00:00:00 2001
+From: Michele Locati <[email protected]>
+Date: Thu, 30 Jul 2020 18:58:02 +0200
+Subject: [PATCH] build: Fix build failure on mingw (formatstring_ruby)
+
+---
+ gettext-tools/woe32dll/gettextsrc-exports.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/gettext-tools/woe32dll/gettextsrc-exports.c b/gettext-tools/woe32dll/gettextsrc-exports.c
+index 4477ae8d4..6d7608959 100644
+--- a/gettext-tools/woe32dll/gettextsrc-exports.c
++++ b/gettext-tools/woe32dll/gettextsrc-exports.c
+@@ -50,6 +50,7 @@ VARIABLE(formatstring_python)
+ VARIABLE(formatstring_python_brace)
+ VARIABLE(formatstring_qt)
+ VARIABLE(formatstring_qt_plural)
++VARIABLE(formatstring_ruby)
+ VARIABLE(formatstring_scheme)
+ VARIABLE(formatstring_sh)
+ VARIABLE(formatstring_smalltalk)
+-- 
+2.28.0.windows.1
+