diff --git a/libraries/libev/libev.SlackBuild b/libraries/libev/libev.SlackBuild
index 5ddf934643..acb108fdbd 100644
--- a/libraries/libev/libev.SlackBuild
+++ b/libraries/libev/libev.SlackBuild
@@ -1,11 +1,29 @@
 #!/bin/sh
 
 # Slackware build script for libev
+
 # Written by Šime Ramov <s@ramov.com>
 # Maintained by Matteo Bernardini <ponce@slackbuilds.org>
 
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 PRGNAM=libev
-VERSION=${VERSION:-4.23}
+VERSION=${VERSION:-4.24}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -52,7 +70,7 @@ find -L . \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 # Force CFLAGS
-sed -i "s|-g -O3|$SLKCFLAGS|" configure
+sed -i "s|-g -O3|$SLKCFLAGS|" configure || exit 1
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
diff --git a/libraries/libev/libev.info b/libraries/libev/libev.info
index 4adc64313f..220cab25f0 100644
--- a/libraries/libev/libev.info
+++ b/libraries/libev/libev.info
@@ -1,8 +1,8 @@
 PRGNAM="libev"
-VERSION="4.23"
+VERSION="4.24"
 HOMEPAGE="http://software.schmorp.de/pkg/libev.html"
-DOWNLOAD="http://dist.schmorp.de/libev/Attic/libev-4.23.tar.gz"
-MD5SUM="f1dbf786ead8307e0d4f5f68f2f8526c"
+DOWNLOAD="http://dist.schmorp.de/libev/Attic/libev-4.24.tar.gz"
+MD5SUM="94459a5a22db041dec6f98424d6efe54"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""