1 files changed, 8 insertions, 1 deletions
diff --git a/config.mk b/config.mk
index bfe4895..36843a0 100644
--- a/config.mk
+++ b/config.mk
@@ -1,8 +1,15 @@
 PREFIX    = /usr
 MANPREFIX = $(PREFIX)/share/man
 
-CC = c99
+CC = cc -std=c11
 
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_GNU_SOURCE
 CFLAGS   = -Wall -O3
 LDFLAGS  = -s
+
+# These optimisations may not only break compatibility with
+# processors that the software was not compiled on, but they
+# will infact also degrade performance. Therefore they are
+# only only used for specific translation units.
+CFLAGS_MM128 = -msse4.1 -mavx2
+CFLAGS_MM256 = -msse4.1 -mavx2