diff --git a/pcre.changes b/pcre.changes
index ae4d3d2..a69234c 100644
--- a/pcre.changes
+++ b/pcre.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jul 19 17:18:04 UTC 2012 - jengelh@inai.de
+
+- Only use --enable-jit on supported architectures; the build will
+  otherwise fail (e.g. on sparc).
+
 -------------------------------------------------------------------
 Thu May 10 15:59:21 UTC 2012 - afaerber@suse.de
 
diff --git a/pcre.spec b/pcre.spec
index b511524..00e42a4 100644
--- a/pcre.spec
+++ b/pcre.spec
@@ -127,8 +127,13 @@ as Perl 5.
 %patch
 
 %build
+# Available JIT archs see sljit/sljitConfig.h
 autoreconf -fiv
-%configure --enable-jit --enable-static \
+%configure \
+%ifarch %ix86 x86_64 %arm ppc ppc64 mips
+	    --enable-jit \
+%endif
+	    --enable-static \
 	    --with-link-size=2 \
 	    --with-match-limit=10000000 \
 	    --enable-newline-is-lf \