Fix building on Perl 5.26

cil-1.7.3-Fix-unescaped-left-brace-in-regex.patch

@@ -0,0 +1,21 @@
+diff -up cil-1.7.3/doc/cilcode.pl.orig cil-1.7.3/doc/cilcode.pl
+--- cil-1.7.3/doc/cilcode.pl.orig	2017-05-22 15:52:31.539144084 +0200
++++ cil-1.7.3/doc/cilcode.pl	2017-05-22 15:53:22.750818950 +0200
+@@ -45,7 +45,7 @@ binmode STDOUT;
+ my $lineno = 0;
+ while(<>) {
+     $lineno ++;
+-    if(! $incode && $_ =~ m|^\\begin{cilcode}\[(.*)\](.*)$|) {
++    if(! $incode && $_ =~ m|^\\begin\{cilcode}\[(.*)\](.*)$|) {
+         $opt = $1;
+         $cil_options = $2;
+         $incode = 1;
+@@ -60,7 +60,7 @@ while(<>) {
+         print "\\begin{code}\n";
+         next;
+     }
+-    if($incode && $_ =~ m|^\\end{cilcode}$|) {
++    if($incode && $_ =~ m|^\\end\{cilcode}$|) {
+         $incode = 0;
+         if($opt eq 'local') {
+             print TSTSRC $postambleLocal;

ocaml-cil.spec

@@ -5,7 +5,7 @@
 
 Name:           ocaml-cil
 Version:        1.7.3
-Release:        30%{?dist}
+Release:        31%{?dist}
 Summary:        CIL - Infrastructure for C Program Analysis and Transformation
 License:        BSD
 
@@ -38,6 +38,9 @@ Patch5:         cil-1.7.3-bytecode-compilation.patch
 # gcc -dumpversion prints just "7", adjust the regex accordingly.
 Patch6:         cil-1.7.3-gcc-7.patch
 
+# Fix unescaped left brace in regex
+Patch7:         cil-1.7.3-Fix-unescaped-left-brace-in-regex.patch
+
 %description
 CIL (C Intermediate Language) is a high-level representation along
 with a set of tools that permit easy analysis and source-to-source
@@ -125,6 +128,7 @@ for gcc.
 %patch5 -p1
 %endif
 %patch6 -p1
+%patch7 -p1
 
 %build
 
@@ -200,6 +204,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Mon May 22 2017 Jitka Plesnikova <jplesnik@redhat.com> - 1.7.3-31
+- Fix unescaped left brace in regex
+
 * Sat May 13 2017 Richard W.M. Jones <rjones@redhat.com> - 1.7.3-30
 - OCaml 4.04.1 rebuild.