From 3ca82ea98fc46e3365c514aa3398f54df91bf329 Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Tue, 8 Mar 2016 04:44:43 +0100
Subject: build: added make rule to build srpm

---
 .travis.yml   |  4 ++++
 Makefile.am   | 10 ++++++++++
 blogc.spec.in |  4 ++--
 configure.ac  | 25 +++++++++++++++++++++++++
 4 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2788f8d..a32e4e1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ addons:
       - gcc-mingw-w64-i686
       - gcc-mingw-w64-x86-64
       - libcmocka-dev
+      - rpm
       - valgrind
 
 compiler:
@@ -17,6 +18,7 @@ compiler:
 env:
   - TARGET=valgrind
   - TARGET=distcheck
+  - TARGET=dist-srpm
   - TARGET=w32
   - TARGET=w64
 
@@ -26,6 +28,8 @@ matrix:
       env: TARGET=w32
     - compiler: clang
       env: TARGET=w64
+    - compiler: clang
+      env: TARGET=dist-srpm
 
 install: gem install ronn
 
diff --git a/Makefile.am b/Makefile.am
index cb91a50..1c5388d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -314,6 +314,16 @@ TESTS = \
 	$(check_PROGRAMS)
 
 
+## Helpers: dist-srpm
+if USE_RPMBUILD
+dist-srpm: blogc.spec dist-xz
+	$(RPMBUILD) \
+		--define "_srcrpmdir $(top_builddir)" \
+		--define "_sourcedir $(top_builddir)" \
+		-bs blogc.spec
+endif
+
+
 ## Helpers: git-version-gen
 
 $(top_srcdir)/.version:
diff --git a/blogc.spec.in b/blogc.spec.in
index 1b10635..dc3983e 100644
--- a/blogc.spec.in
+++ b/blogc.spec.in
@@ -1,11 +1,11 @@
 Name: @PACKAGE_NAME@
-Version: @PACKAGE_VERSION@
+Version: @RPM_VERSION@
 Release: 1%{?dist}
 License: BSD
 Group: Applications/Text
 Summary: A blog compiler
 URL: @PACKAGE_URL@
-Source0: https://github.com/blogc/blogc/releases/download/v%{version}/blogc-%{version}.tar.xz
+Source0: https://github.com/blogc/blogc/releases/download/v@PACKAGE_VERSION@/blogc-@PACKAGE_VERSION@.tar.xz
 
 BuildRequires: squareball-devel
 
diff --git a/configure.ac b/configure.ac
index 1fc00aa..ad759c6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,30 @@ AS_IF([test "x$ac_cv_prog_cc_c99" = "xno"], [
 
 PKG_PROG_PKG_CONFIG
 
+AC_PROG_SED
+
+RPM_VERSION=`echo ${PACKAGE_VERSION} | sed "s/-/./g"`
+AC_SUBST(RPM_VERSION)
+
+AC_ARG_ENABLE([rpmbuild], AS_HELP_STRING([--disable-rpmbuild],
+              [ignore presence of rpmbuild and disable srpm generation]))
+AS_IF([test "x$enable_rpmbuild" != "xno"], [
+  AC_PATH_PROG([rpmbuild], [rpmbuild])
+  AS_IF([test "x$ac_cv_path_rpmbuild" = "x"], [
+    have_rpmbuild=no
+  ], [
+    have_rpmbuild=yes
+  ])
+])
+AS_IF([test "x$have_rpmbuild" = "xyes"], , [
+  AS_IF([test "x$enable_rpmbuild" = "xyes"], [
+    AC_MSG_ERROR([rpmbuild requested but not found])
+  ])
+])
+AM_CONDITIONAL([USE_RPMBUILD], [test "x$ac_cv_path_rpmbuild" != "x"])
+RPMBUILD="$ac_cv_path_rpmbuild"
+AC_SUBST(RPMBUILD)
+
 AC_ARG_ENABLE([ronn], AS_HELP_STRING([--disable-ronn],
               [ignore presence of ronn and disable man pages generation]))
 AS_IF([test "x$enable_ronn" != "xno"], [
@@ -145,4 +169,5 @@ AS_ECHO("
 
         ronn:         ${RONN}
         valgrind:     ${VALGRIND}
+        rpmbuild:     ${RPMBUILD}
 ")
-- 
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