diff --git a/academic/suitesparseconfig/autotoolize.diff b/academic/suitesparseconfig/patches/autotoolize.diff
similarity index 91%
rename from academic/suitesparseconfig/autotoolize.diff
rename to academic/suitesparseconfig/patches/autotoolize.diff
index 0dd3b85acb..4706be9b9e 100644
--- a/academic/suitesparseconfig/autotoolize.diff
+++ b/academic/suitesparseconfig/patches/autotoolize.diff
@@ -2,7 +2,7 @@ diff --git a/Makefile.am b/Makefile.am
 new file mode 100644
 --- /dev/null
 +++ b/Makefile.am
-@@ -0,0 +1,16 @@
+@@ -0,0 +1,15 @@
 +SUBDIRS = xerbla
 +
 +EXTRA_DIST = README.txt
@@ -12,7 +12,6 @@ new file mode 100644
 +#pkginclude_HEADERS = SuiteSparse_config.h
 +include_HEADERS = SuiteSparse_config.h
 +
-+pkgconfigdir = $(libdir)/pkgconfig
 +pkgconfig_DATA = suitesparseconfig.pc
 +
 +lib_LTLIBRARIES = libsuitesparseconfig.la
@@ -23,12 +22,12 @@ diff --git a/configure.ac b/configure.ac
 new file mode 100644
 --- /dev/null
 +++ b/configure.ac
-@@ -0,0 +1,37 @@
+@@ -0,0 +1,39 @@
 +#                                               -*- Autoconf -*-
 +# Process this file with autoconf to produce a configure script.
 +
 +AC_PREREQ([2.69])
-+AC_INIT([SuiteSparse_config],[4.4.6],[DrTimothyAldenDavis@gmail.com],[suitesparseconfig],[http://www.suitesparse.com/])
++AC_INIT([SuiteSparse_config],[4.5.3],[DrTimothyAldenDavis@gmail.com],[suitesparseconfig],[http://www.suitesparse.com/])
 +AC_CONFIG_SRCDIR([SuiteSparse_config.c])
 +AC_CONFIG_HEADERS([config.h])
 +AM_INIT_AUTOMAKE([foreign])
@@ -39,7 +38,7 @@ new file mode 100644
 +AC_PROG_CC
 +AC_PROG_F77
 +
-+LIBS_SAVED=$LIBS
++AS_VAR_SET([LIBS_SAVED], [$LIBS])
 +
 +# Checks for libraries.
 +AC_CHECK_LIB([m], [sqrt])
@@ -54,12 +53,14 @@ new file mode 100644
 +AC_FUNC_MALLOC
 +AC_CHECK_FUNCS([clock_gettime sqrt])
 +
-+LIBS=$LIBS_SAVED
++AS_VAR_SET([LIBS], [$LIBS_SAVED])
 +
++PKG_INSTALLDIR
 +AC_CONFIG_FILES([
 +	suitesparseconfig.pc
 +	Makefile
-+	xerbla/Makefile])
++	xerbla/Makefile
++])
 +AC_OUTPUT
 diff --git a/suitesparseconfig.pc.in b/suitesparseconfig.pc.in
 new file mode 100644
diff --git a/academic/suitesparseconfig/suitesparseconfig.SlackBuild b/academic/suitesparseconfig/suitesparseconfig.SlackBuild
index 7f75381f96..282bd32136 100644
--- a/academic/suitesparseconfig/suitesparseconfig.SlackBuild
+++ b/academic/suitesparseconfig/suitesparseconfig.SlackBuild
@@ -25,14 +25,14 @@
 PRGNAM=suitesparseconfig
 SRCNAM=SuiteSparse
 SUBDIR=SuiteSparse_config
-VERSION=${VERSION:-4.4.6}
-SRCVER=${SRCVER:-4.4.6}
+VERSION=${VERSION:-4.5.3}
+SRCVER=${SRCVER:-4.5.3}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
   case "$(uname -m)" in
-    i?86) ARCH=i486 ;;
+    i?86) ARCH=i586 ;;
     arm*) ARCH=arm ;;
        *) ARCH=$(uname -m) ;;
   esac
@@ -48,6 +48,9 @@ DOCS="README.txt"
 if [ "$ARCH" = "i486" ]; then
   SLKCFLAGS="-O2 -march=i486 -mtune=i686"
   LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i586" ]; then
+  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
+  LIBDIRSUFFIX=""
 elif [ "$ARCH" = "i686" ]; then
   SLKCFLAGS="-O2 -march=i686 -mtune=i686"
   LIBDIRSUFFIX=""
@@ -73,11 +76,9 @@ cd $SRCNAM/$SUBDIR
 chown -R root:root .
 chmod -R u+w,go-w,a+rX-st .
 
-patch -p1 < $CWD/autotoolize.diff
+patch -p1 < $CWD/patches/autotoolize.diff
 autoreconf -vif
 
-CFLAGS="$SLKCFLAGS" \
-FFLAGS="$SLKCFLAGS" \
 ./configure \
   --prefix=/usr \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
@@ -89,7 +90,9 @@ FFLAGS="$SLKCFLAGS" \
   --enable-shared \
   --disable-static \
   --disable-dependency-tracking \
-  --build=$ARCH-slackware-linux
+  --build=$ARCH-slackware-linux \
+  CFLAGS="$SLKCFLAGS" \
+  FFLAGS="$SLKCFLAGS" \
 
 make
 make check
diff --git a/academic/suitesparseconfig/suitesparseconfig.info b/academic/suitesparseconfig/suitesparseconfig.info
index 25e6ffe027..0e328def37 100644
--- a/academic/suitesparseconfig/suitesparseconfig.info
+++ b/academic/suitesparseconfig/suitesparseconfig.info
@@ -1,8 +1,8 @@
 PRGNAM="suitesparseconfig"
-VERSION="4.4.6"
+VERSION="4.5.3"
 HOMEPAGE="http://faculty.cse.tamu.edu/davis/suitesparse.html"
-DOWNLOAD="http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-4.4.6.tar.gz"
-MD5SUM="131a3a5e2dee784cd946284e44ce9af2"
+DOWNLOAD="http://faculty.cse.tamu.edu/davis/SuiteSparse/SuiteSparse-4.5.3.tar.gz"
+MD5SUM="8ec57324585df3c6483ad7f556afccbd"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES=""