X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/4775934364a15296fe874339d3f48c938cb24dd7..3816cae7456a9abd70283c92c8c9dd4681cdee94:/configure.in

diff --git a/configure.in b/configure.in
index 2931927d..38acc96e 100644
--- a/configure.in
+++ b/configure.in
@@ -22,6 +22,9 @@ AC_PROG_INSTALL
 AC_PROG_CC_STDC
 AC_SUBST(SHELL)
 
+AC_DEFINE([_GNU_SOURCE], 1,
+          [Define _GNU_SOURCE so that we get all necessary prototypes])
+
 if test "$xac_cv_prog_cc_stdc" = xno
 then
 	AC_MSG_WARN([rsync requires an ANSI C compiler and you don't seem to have one])
@@ -50,6 +53,21 @@ else
     dnl CFLAGS=${CFLAGS-"-g"}
 fi
 
+
+
+
+AC_ARG_ENABLE(profile,
+	AC_HELP_STRING([--enable-profile],	
+		[turn on CPU profiling (default no)],
+		[], []))
+if test x"$enable_profile" = xyes
+then
+	CFLAGS="$CFLAGS -pg"
+fi
+
+
+# This is needed for our included version of popt.  Kind of silly, but
+# I don't want our version too far out of sync.
 CFLAGS="$CFLAGS -DHAVE_CONFIG_H"
 
 # If GCC, turn on warnings.