From 3d8e23dc0e88c5c9d38a99da8c1fe53e0449a117 Mon Sep 17 00:00:00 2001
From: Peter Fordham <peter.fordham@gmail.com>
Date: Dec 19 2022 04:35:59 +0000
Subject: Fix non C99 compliant check and add autoreconf to build.


Upstream issue tracked here:
https://sourceforge.net/p/coan2/bugs/95/

---

diff --git a/coan-autoconf-c99.patch b/coan-autoconf-c99.patch
new file mode 100644
index 0000000..0d36305
--- /dev/null
+++ b/coan-autoconf-c99.patch
@@ -0,0 +1,25 @@
+Fix non C99 compliant check.
+https://sourceforge.net/p/coan2/bugs/95/
+
+diff --git a/configure.ac b/configure.ac
+index 23ba6f0..13e6647 100644
+--- configure.ac
++++ configure.ac
+@@ -4,7 +4,7 @@ AC_PREREQ(2.59)
+ AM_INIT_AUTOMAKE(1.13 no-define)
+ AC_CHECK_HEADERS(strings.h)
+ AC_MSG_CHECKING(for big-endian host)
+-AC_TRY_RUN([main () {
++AC_TRY_RUN([int main () {
+   /* Are we little or big endian?  From Harbison&amp;Steele.  */
+   union
+   {
+@@ -12,7 +12,7 @@ AC_TRY_RUN([main () {
+     char c[sizeof (long)];
+   } u;
+   u.l = 1;
+-  exit (u.c[sizeof (long) - 1] == 1);
++  return u.c[sizeof (long) - 1] == 1;
+ }], BIG_ENDIAN=no, BIG_ENDIAN=yes)
+ AC_MSG_RESULT([$BIG_ENDIAN])
+ AM_CONDITIONAL([IS_BIG_ENDIAN],[test "$BIG_ENDIAN" = "yes"])
diff --git a/coan.spec b/coan.spec
index 3cd9fad..cc2cf0d 100644
--- a/coan.spec
+++ b/coan.spec
@@ -1,17 +1,20 @@
 Name:		coan
 Version:	6.0.1
-Release:	28%{?dist}
+Release:	29%{?dist}
 Summary:	A command line tool for simplifying the pre-processor conditionals in source code
 License:	BSD
 URL:		http://coan2.sourceforge.net/
 Source0:	http://downloads.sourceforge.net/coan2/%{name}-%{version}.tar.gz
 # https://sourceforge.net/p/coan2/bugs/92/
 Patch0:         expression_parser.patch
+# https://sourceforge.net/p/coan2/bugs/95/
+Patch1:         coan-autoconf-c99.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  make
 BuildRequires:  perl-podlators
 BuildRequires:  perl-Pod-Html
+BuildRequires:  autoconf automake
 
 # removed python2 dependencies and asked upstream to port tests to python3
 # https://sourceforge.net/p/coan2/bugs/93/
@@ -48,6 +51,7 @@ done
 
 %build
 export CXXFLAGS="-std=c++14 $RPM_OPT_FLAGS"
+autoreconf -vi
 %configure
 %make_build
 
@@ -74,6 +78,9 @@ export CXXFLAGS="-std=c++14 $RPM_OPT_FLAGS"
 %{_mandir}/man1/%{name}.1.*
 
 %changelog
+* Sun Dec 18 2022 Peter Fordham <peter.fordham@gmail.com> - 6.0.1-29
+- Fix c99 complaince isses in configure.ac and add autoreconf to build.
+
 * Wed Jul 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 6.0.1-28
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild