- Fix configure tests compromised by LTO

configure.patch

@@ -0,0 +1,12 @@
+diff -Nrup a/m4/fault.m4 b/m4/fault.m4
+--- a/m4/fault.m4	2014-01-02 15:26:46.000000000 -0700
++++ b/m4/fault.m4	2020-01-17 15:40:41.420148995 -0700
+@@ -49,7 +49,7 @@ static int zero_fd;
+ # define SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS 0UL
+ #endif
+ unsigned long page;
+-int handler_called = 0;
++volatile int handler_called = 0;
+ void sigsegv_handler ($5)
+ {
+   void *fault_address = (void *) ($6);

libsigsegv.spec

@@ -2,11 +2,12 @@
 Summary: Library for handling page faults in user mode
 Name:    libsigsegv
 Version: 2.11
-Release: 8%{?dist}
+Release: 9%{?dist}
 
 License: GPLv2+
 URL:     https://www.gnu.org/software/libsigsegv/
 Source0: http://ftp.gnu.org/gnu/libsigsegv/libsigsegv-%{version}.tar.gz
+Patch0: configure.patch
 
 BuildRequires: automake libtool
 
@@ -36,9 +37,11 @@ Requires: %{name}-devel%{?_isa} = %{version}-%{release}
 
 %prep
 %setup -q
+%patch0 -p1
 
 
 %build
+autoreconf -ivf
 %configure \
   --enable-shared \
   --disable-silent-rules \
@@ -88,6 +91,9 @@ make check
 
 
 %changelog
+* Fri Jan 17 2020 Jeff Law <law@redhat.com> - 2.11-9
+- Fix configure tests compromised by LTO
+
 * Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.11-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild