bison 2.7

https://bugs.php.net/bug.php?id=69055

Author: hranicka

build.sh

@@ -8,7 +8,6 @@ sudo apt-get install -y \
     pkg-config \
     git-core \
     autoconf \
-    bison \
     libxml2-dev \
     libbz2-dev \
     libmcrypt-dev \
@@ -22,6 +21,26 @@ sudo apt-get install -y \
     libreadline-dev \
     re2c
 
+
+# https://bugs.php.net/bug.php?id=69055
+sudo apt-get purge bison
+
+sudo apt-get install -y build-essential m4
+
+wget http://ftp.gnu.org/gnu/bison/bison-2.7.tar.gz
+tar -xvf bison-2.7.tar.gz
+rm bison-2.7.tar.gz
+cd bison-2.7
+
+./configure --prefix=/usr/local/bison --with-libiconv-prefix=/usr/local/libiconv/
+
+make
+sudo make install
+
+sudo ln -sf /usr/local/bison/bin/bison /usr/bin/bison
+sudo ln -sf /usr/local/bison/bin/yacc /usr/bin/yacc
+
+
 sudo mkdir /usr/local/php5
 
 git clone https://github.com/php/php-src.git