From 6e2903534a0444ac9c36c512fec7042a711aaa3f Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Fri, 10 Feb 2017 18:17:55 -0600
Subject: [PATCH] Add patch to allow PGI to build Bison (#3044)

---
 var/spack/repos/builtin/packages/bison/package.py |  4 +++-
 var/spack/repos/builtin/packages/bison/pgi.patch  | 10 ++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 var/spack/repos/builtin/packages/bison/pgi.patch

diff --git a/var/spack/repos/builtin/packages/bison/package.py b/var/spack/repos/builtin/packages/bison/package.py
index a9691fab8b..2615266c8a 100644
--- a/var/spack/repos/builtin/packages/bison/package.py
+++ b/var/spack/repos/builtin/packages/bison/package.py
@@ -35,6 +35,8 @@ class Bison(AutotoolsPackage):
 
     version('3.0.4', 'a586e11cd4aff49c3ff6d3b6a4c9ccf8')
 
-    depends_on("m4", type='build')
+    depends_on('m4', type='build')
+
+    patch('pgi.patch', when='@3.0.4')
 
     build_directory = 'spack-build'
diff --git a/var/spack/repos/builtin/packages/bison/pgi.patch b/var/spack/repos/builtin/packages/bison/pgi.patch
new file mode 100644
index 0000000000..8aeaa96a51
--- /dev/null
+++ b/var/spack/repos/builtin/packages/bison/pgi.patch
@@ -0,0 +1,10 @@
+--- a/lib/config.in.h
++++ b/lib/config.in.h
+@@ -2182,6 +2182,7 @@
+       ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
+       : (199901L <= __STDC_VERSION__ \
+          && !defined __HP_cc \
++         && !defined __PGI \
+          && !(defined __SUNPRO_C && __STDC__))) \
+      && !defined _GL_EXTERN_INLINE_STDHEADER_BUG)
+ # define _GL_INLINE inline
-- 
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