diff --git a/woff.spec b/woff.spec
index f2aa022..0cde48f 100644
--- a/woff.spec
+++ b/woff.spec
@@ -57,6 +57,9 @@ Patch:          https://sources.debian.org/data/main/w/woff-tools/0%3A2009.10.04
 # - fix some compiler and cppcheck warnings
 Patch:          https://sources.debian.org/data/main/w/woff-tools/0%3A2009.10.04-2/debian/patches/fix-compiler-and-cppcheck-warnings.patch
 
+# https://fedoraproject.org/wiki/Changes/EncourageI686LeafRemoval
+ExcludeArch:    %{ix86}
+
 BuildRequires:  make
 BuildRequires:  gcc
 
@@ -71,7 +74,6 @@ decoding Web Open Font Format (WOFF) files.
 
 
 %build
-%set_build_flags
 %make_build CFLAGS="${CFLAGS}"
 awk '
     /BEGIN LICENSE BLOCK/ { b = 1 }
@@ -82,10 +84,10 @@ awk '
 
 %install
 # The Makefile has no install target.
-install -d '%{buildroot}%{_bindir}'
-install -t '%{buildroot}%{_bindir}' -p sfnt2woff woff2sfnt
-install -d '%{buildroot}%{_mandir}/man1'
-install -t '%{buildroot}%{_mandir}/man1' -p -m 0644 '%{SOURCE1}' '%{SOURCE2}'
+install -D --preserve-timestamps \
+    --target='%{buildroot}%{_bindir}' sfnt2woff woff2sfnt
+install -D --preserve-timestamps --mode=0644 \
+    --target='%{buildroot}%{_mandir}/man1' '%{SOURCE1}' '%{SOURCE2}'
 
 
 # Upstream provides no tests