Add build conditions for modularity

autoconf.spec

@@ -1,3 +1,8 @@
+# Enable Emacs support
+%bcond_without autoconf_enables_emacs
+# Run extended test
+%bcond_without autoconf_enables_optional_test
+
 Summary:    A GNU tool for automatically configuring source code
 Name:       autoconf
 Version:    2.69
@@ -19,8 +24,10 @@ BuildArch:  noarch
 # m4 >= 1.4.6 is required, >= 1.4.14 is recommended:
 BuildRequires:      m4 >= 1.4.14
 Requires:           m4 >= 1.4.14
+%if %{with autoconf_enables_emacs}
 Requires:           emacs-filesystem
 BuildRequires:      emacs
+%endif
 # the filtering macros are currently in /etc/rpm/macros.perl:
 BuildRequires:      perl-generators
 BuildRequires:      perl-macros
@@ -34,12 +41,14 @@ BuildRequires:      perl(Text::ParseWords)
 BuildRequires:      help2man
 
 %if %{with check}
+%if %{with autoconf_enables_optional_test}
 # For extended testsuite coverage
 BuildRequires:      gcc-gfortran
 %if 0%{?fedora} >= 15
 BuildRequires:      erlang
 %endif
 %endif
+%endif
 
 Requires(post):     /sbin/install-info
 Requires(preun):    /sbin/install-info
@@ -69,7 +78,13 @@ their use.
 %autosetup -p1
 
 %build
-%configure --with-lispdir=%{_emacs_sitelispdir}/autoconf
+%if %{with autoconf_enables_emacs}
+export EMACS=%{_bindir}/emacs
+%else
+export EMACS=%{_bindir}/false
+%endif
+%configure \
+    %{?with_autoconf_enables_emacs:--with-lispdir=%{_emacs_sitelispdir}/autoconf}
 make %{?_smp_mflags}
 
 
@@ -86,9 +101,11 @@ make install %{?_smp_mflags} DESTDIR=%{buildroot}
 mkdir -p %{buildroot}/share
 install -m 0644 %{SOURCE1} %{buildroot}%{_datadir}
 
+%if %{with autoconf_enables_emacs}
 # Create file to activate Emacs modes as required
 mkdir -p %{buildroot}%{_emacs_sitestartdir}
 install -p -m 0644 %{SOURCE2} %{buildroot}%{_emacs_sitestartdir}
+%endif
 
 
 %post
@@ -110,7 +127,9 @@ fi
 %exclude %{_infodir}/dir
 %{_datadir}/autoconf/
 %config %{_datadir}/config.site
+%if %{with autoconf_enables_emacs}
 %{_datadir}/emacs/site-lisp/*
+%endif
 %{_mandir}/man1/*
 %doc AUTHORS ChangeLog NEWS README THANKS TODO