--- configure.ORIG	2017-02-14 02:56:21.000000000 -0600
+++ configure	2017-02-14 02:59:05.000000000 -0600
@@ -76,7 +76,7 @@
 libdir=${libdir-'${exec_prefix}/lib'}
 sharedlibdir=${sharedlibdir-'${libdir}'}
 includedir=${includedir-'${prefix}/include'}
-mandir=${mandir-'${prefix}/share/man'}
+mandir=${mandir-'${prefix}/man'}
 shared_ext='.so'
 shared=1
 solo=0
@@ -334,8 +334,8 @@
              CFLAGS=${CFLAGS-"-O"}
              LDSHARED=${LDSHARED-"cc -G"} ;;
   AIX*)  # Courtesy of dbakker@arrayasolutions.com
-             SFLAGS=${CFLAGS-"-O -qmaxmem=8192"}
-             CFLAGS=${CFLAGS-"-O -qmaxmem=8192"}
+             SFLAGS=${CFLAGS-"-O3 -qmaxmem=8192"}
+             CFLAGS=${CFLAGS-"-O3 -qmaxmem=8192"}
              LDSHARED=${LDSHARED-"xlc -G"} ;;
   # send working options for other systems to zlib@gzip.org
   *)         SFLAGS=${CFLAGS-"-O"}