1 files changed, 11 insertions, 0 deletions
diff --git a/configure b/configure
index 82fcebd9..2e5b41f1 100755
--- a/configure
+++ b/configure
@@ -865,6 +865,7 @@ Optional Features:
   --disable-dependency-tracking  speeds up one-time build
   --enable-dependency-tracking   do not reject slow dependency extractors
   --enable-perfmon                 enable perfmon support (default is disabled)
+  --enable-prologues      make -P prologue-searching default
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -5195,6 +5196,16 @@ fi
   LDFLAGS="$LDFLAGS -DPERFMON -L$with_perfmon/lib -lpfm"
 fi
 
+# Check whether --enable-prologues or --disable-prologues was given.
+if test "${enable_prologues+set}" = set; then
+  enableval="$enable_prologues"
+
+cat >>confdefs.h <<\_ACEOF
+#define ENABLE_PROLOGUES
+_ACEOF
+
+fi;
+
 build_elfutils=no
 
 # Check whether --with-elfutils or --without-elfutils was given.