From bbe468bf6c67c2a6fb0149576b81ed6afa60ea80 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <giulio.eulisse@cern.ch>
Date: Fri, 29 Aug 2014 10:40:53 +0200
Subject: [PATCH] Fix -mrecip errors in clang.

Notice that I had to drop the commented flag because it looks like
scram is actually ignoring the (non XML valid) # comment.
---
 RecoEgamma/EgammaPhotonAlgos/BuildFile.xml     | 5 ++++-
 RecoVertex/PrimaryVertexProducer/BuildFile.xml | 5 ++++-
 TrackingTools/GsfTools/BuildFile.xml           | 5 ++++-
 TrackingTools/GsfTracking/BuildFile.xml        | 5 ++++-
 TrackingTools/KalmanUpdators/BuildFile.xml     | 6 +++++-
 TrackingTools/TrackFitters/BuildFile.xml       | 5 ++++-
 TrackingTools/TrajectoryState/BuildFile.xml    | 5 ++++-
 7 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/RecoEgamma/EgammaPhotonAlgos/BuildFile.xml b/RecoEgamma/EgammaPhotonAlgos/BuildFile.xml
index 6482326a76c6a..6d60a588f43a0 100644
--- a/RecoEgamma/EgammaPhotonAlgos/BuildFile.xml
+++ b/RecoEgamma/EgammaPhotonAlgos/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+  <flags   CXXFLAGS="-mrecip"/>
+</compiler>
 
 <use   name="FWCore/Framework"/>
 <use   name="FWCore/ParameterSet"/>
diff --git a/RecoVertex/PrimaryVertexProducer/BuildFile.xml b/RecoVertex/PrimaryVertexProducer/BuildFile.xml
index a71f3d2c6d65a..7a918369baf98 100644
--- a/RecoVertex/PrimaryVertexProducer/BuildFile.xml
+++ b/RecoVertex/PrimaryVertexProducer/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+<flags   CXXFLAGS="-mrecip"/>
+</compiler>
 <use   name="DataFormats/BeamSpot"/>
 <use   name="DataFormats/VertexReco"/>
 <use   name="FWCore/Framework"/>
diff --git a/TrackingTools/GsfTools/BuildFile.xml b/TrackingTools/GsfTools/BuildFile.xml
index 1855753a67f75..632f597d8ebab 100644
--- a/TrackingTools/GsfTools/BuildFile.xml
+++ b/TrackingTools/GsfTools/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+  <flags   CXXFLAGS="-mrecip"/>
+</compiler>
 
 <use   name="boost"/>
 <use   name="CLHEP"/>
diff --git a/TrackingTools/GsfTracking/BuildFile.xml b/TrackingTools/GsfTracking/BuildFile.xml
index a3bbefb44a1d8..ef5019897e6f0 100644
--- a/TrackingTools/GsfTracking/BuildFile.xml
+++ b/TrackingTools/GsfTracking/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+<flags   CXXFLAGS="-mrecip"/>
+</compiler>
 
 <use   name="boost"/>
 <use   name="CLHEP"/>
diff --git a/TrackingTools/KalmanUpdators/BuildFile.xml b/TrackingTools/KalmanUpdators/BuildFile.xml
index 74a7cefe5780e..9649862415388 100644
--- a/TrackingTools/KalmanUpdators/BuildFile.xml
+++ b/TrackingTools/KalmanUpdators/BuildFile.xml
@@ -1,4 +1,8 @@
-#<flags   CXXFLAGS="-Ofast -mrecip -funroll-all-loops"/>
+<flags   CXXFLAGS="-Ofast -funroll-all-loops"/>
+<compiler name="gcc">
+ <flags   CXXFLAGS="-mrecip"/>
+</compiler>
+
 <flags   CXXFLAGS="-O3"/>
 <use   name="boost"/>
 <use   name="clhep"/>
diff --git a/TrackingTools/TrackFitters/BuildFile.xml b/TrackingTools/TrackFitters/BuildFile.xml
index ce0c8aab29b5a..bbd6828e39c42 100644
--- a/TrackingTools/TrackFitters/BuildFile.xml
+++ b/TrackingTools/TrackFitters/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+  <flags   CXXFLAGS="-mrecip"/>
+</compiler>
 
 <use   name="boost"/>
 <use   name="CLHEP"/>
diff --git a/TrackingTools/TrajectoryState/BuildFile.xml b/TrackingTools/TrajectoryState/BuildFile.xml
index 70c71ea53f074..a3fa7e0894d6a 100644
--- a/TrackingTools/TrajectoryState/BuildFile.xml
+++ b/TrackingTools/TrajectoryState/BuildFile.xml
@@ -1,4 +1,7 @@
-<flags   CXXFLAGS="-Ofast -mrecip"/>
+<flags   CXXFLAGS="-Ofast"/>
+<compiler name="gcc">
+  <flags   CXXFLAGS="-mrecip"/>
+</compiler>
 
 <use   name="DataFormats/Common"/>
 <use   name="DataFormats/GeometrySurface"/>