Backport changes from Fedora

- Suppress documentation in Flatpak builds
- build gir with non-parallel to avoid strange behavior.
Resolves: rhbz#1952350

liblangtag-noparallel-gir.patch

@@ -0,0 +1,8 @@
+diff -pruN liblangtag-0.6.2.orig/liblangtag-gobject/gendeps.sh liblangtag-0.6.2/liblangtag-gobject/gendeps.sh
+--- liblangtag-0.6.2.orig/liblangtag-gobject/gendeps.sh	2012-12-13 17:59:17.000000000 +0900
++++ liblangtag-0.6.2/liblangtag-gobject/gendeps.sh	2020-11-18 21:10:08.511540427 +0900
+@@ -11,3 +11,4 @@ while [ $# -ne 0 ]; do
+     echo "	\$(AM_V_GEN) \$(srcdir)/gengir.sh \$(top_srcdir)/liblangtag \$@"
+ done
+ echo "\$(srcdir)/gendir.sh:"
++echo ".NOTPARALLEL:"

liblangtag.spec

@@ -5,17 +5,20 @@
 
 Name: liblangtag
 Version: 0.6.3
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: An interface library to access tags for identifying languages
 
 License: LGPLv3+ or MPLv2.0
 URL: http://tagoh.bitbucket.org/liblangtag/
 Source0: https://bitbucket.org/tagoh/%{name}/downloads/%{name}-%{version}.tar.bz2
+Patch0: liblangtag-noparallel-gir.patch
 
 Requires: %{name}-data = %{version}-%{release}
 
 BuildRequires: glibc-common
+%if ! 0%{?flatpak}
 BuildRequires: gtk-doc
+%endif
 BuildRequires: pkgconfig(check)
 BuildRequires: pkgconfig(gobject-2.0)
 BuildRequires: pkgconfig(gobject-introspection-1.0)
@@ -77,7 +80,11 @@ The %{name}-doc package contains documentation files for %{name}.
 %autosetup -p1
 
 %build
-%configure --disable-silent-rules --disable-static --enable-shared --enable-introspection
+%configure \
+%if 0%{?flatpak}
+    --disable-gtk-doc \
+%endif
+    --disable-silent-rules --disable-static --enable-shared --enable-introspection
 sed -i \
     -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
     -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' \
@@ -126,6 +133,10 @@ make %{?_smp_mflags} check
 %{_datadir}/gtk-doc/html/%{name}
 
 %changelog
+* Wed Apr 21 2021 Akira TAGOH <tagoh@redhat.com> - 0.6.3-6
+- Suppress documentation in Flatpak builds
+- build gir with non-parallel to avoid strange behavior.
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 0.6.3-5
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937