Install the m4 script for Autoconf as part of the -devel package

libIDL.spec

@@ -99,8 +99,7 @@ rm %{name}2.info
 %make_install
 rm '%{buildroot}%{_libdir}/%{name}-2.la'
 rm '%{buildroot}%{_infodir}/dir'
-install -d '%{buildroot}%{_pkgdocdir}'
-install -t '%{buildroot}%{_pkgdocdir}' -p -m 0644 \
+install -t '%{buildroot}%{_pkgdocdir}' -D -p -m 0644 \
     AUTHORS \
     BUGS \
     ChangeLog \
@@ -110,6 +109,8 @@ install -t '%{buildroot}%{_pkgdocdir}' -p -m 0644 \
     README \
     %{name}2.pdf
 cp -rp '%{name}2.html' '%{buildroot}%{_pkgdocdir}/html'
+install -t '%{buildroot}%{_datadir}/aclocal/%{name}.m4' -D -p -m 0644 \
+    %{name}.m4
 
 
 %files
@@ -125,6 +126,8 @@ cp -rp '%{name}2.html' '%{buildroot}%{_pkgdocdir}/html'
 %{_includedir}/%{name}-2.0/
 
 %{_libdir}/pkgconfig/%{name}-2.0.pc
+# Note the aclocal directory is provided by the “filesystem” package
+%{_datadir}/aclocal/%{name}.m4
 %{_bindir}/%{name}-config-2
 
 
@@ -152,6 +155,7 @@ cp -rp '%{name}2.html' '%{buildroot}%{_pkgdocdir}/html'
   it all to a -doc subpackage with the text file documentation (README, etc.)
 - Properly install the license (COPYING) file
 - Patch references to the old libIDL-config, which went away in the year 2002
+- Install the m4 script for Autoconf as part of the -devel package
 
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.8.14-23
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild