[libdbi-drivers] Do not use -ffast-math.

[Tom Lane]

commit 2b30c91590b32829a37fdfbb245e0cac2644a6b8
Author: Tom Lane <tgl at redhat.com>
Date:   Fri Sep 3 20:23:47 2010 -0400

    Do not use -ffast-math.

 libdbi-drivers-cflags.patch |    6 ++++--
 libdbi-drivers.spec         |    7 ++++++-
 2 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/libdbi-drivers-cflags.patch b/libdbi-drivers-cflags.patch
index b01cfdd..4d2b744 100644
--- a/libdbi-drivers-cflags.patch
+++ b/libdbi-drivers-cflags.patch
@@ -1,4 +1,6 @@
-Ensure desirable compile flags are used.
+Ensure desirable compile flags are used.  We want RPM_OPT_FLAGS rather than
+upstream's idea of suitable optimization flags, per Fedora packaging
+guidelines, and we *don't* want -ffast-math, per bug #629964.
 
 
 diff -Naur libdbi-drivers-0.8.2-1.orig/configure.in libdbi-drivers-0.8.2-1/configure.in
@@ -9,7 +11,7 @@ diff -Naur libdbi-drivers-0.8.2-1.orig/configure.in libdbi-drivers-0.8.2-1/confi
          *-*-linux*)
                  DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 -                CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
-+                CFLAGS="-ffast-math -D_REENTRANT -fsigned-char $RPM_OPT_FLAGS"
++                CFLAGS="-D_REENTRANT -fsigned-char $RPM_OPT_FLAGS"
                  PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
          sparc-sun-*)
                  DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
diff --git a/libdbi-drivers.spec b/libdbi-drivers.spec
index a1ebf6a..50a2f30 100644
--- a/libdbi-drivers.spec
+++ b/libdbi-drivers.spec
@@ -1,7 +1,7 @@
 Summary: Database-specific drivers for libdbi
 Name: libdbi-drivers
 Version: 0.8.3
-Release: 5%{?dist}
+Release: 6%{?dist}
 Group: Development/Libraries
 License: LGPLv2+
 URL: http://libdbi-drivers.sourceforge.net/
@@ -122,6 +122,11 @@ rm -rf $RPM_BUILD_ROOT%{_docdir}/libdbi-drivers
 %{_libdir}/dbd/libdbdsqlite3.*
 
 %changelog
+* Fri Sep  3 2010 Tom Lane <tgl at redhat.com> 0.8.3-6
+- Do not use -ffast-math; it breaks things and seems quite unlikely to offer
+  any useful performance benefit for this type of package, anyway
+Resolves: #629964
+
 * Fri Jul 24 2009 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 0.8.3-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild