Index: makefile
--- makefile.orig	2007-05-12 16:46:25.000000000 +0200
+++ makefile	2016-02-20 18:11:22.662557867 +0100
@@ -30,18 +30,12 @@
 endif
 
 # Compilation flags. Note the += does not write over the user's CFLAGS!
-CFLAGS += -c -I./testprof/ -I./src/headers/ -Wall -Wsign-compare -W -Wshadow -Wno-unused-parameter -DLTC_SOURCE
-
-# additional warnings (newer GCC 3.4 and higher)
-ifdef GCC_34
-CFLAGS += -Wsystem-headers -Wdeclaration-after-statement -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wmissing-prototypes \
-		  -Wmissing-declarations -Wpointer-arith 
-endif
+CFLAGS += -c -I./testprof/ -I./src/headers/ -Wno-unused-parameter -DLTC_SOURCE
 
 ifndef IGNORE_SPEED
 
 # optimize for SPEED
-CFLAGS += -O3 -funroll-loops
+CFLAGS += -O2 -funroll-loops
 
 # add -fomit-frame-pointer.  hinders debugging!
 CFLAGS += -fomit-frame-pointer
@@ -295,19 +289,12 @@
 #This rule installs the library and the header files. This must be run
 #as root in order to have a high enough permission to write to the correct
 #directories and to set the owner and group to root.
-ifndef NODOCS
-install: library docs
-else
 install: library
-endif
-	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
-	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(INCPATH)
-	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(DATAPATH)
-	install -g $(GROUP) -o $(USER) $(LIBNAME) $(DESTDIR)$(LIBPATH)
-	install -g $(GROUP) -o $(USER) $(HEADERS) $(DESTDIR)$(INCPATH)
-ifndef NODOCS
-	install -g $(GROUP) -o $(USER) doc/crypt.pdf $(DESTDIR)$(DATAPATH)
-endif
+	install -d $(DESTDIR)$(LIBPATH)
+	install -d $(DESTDIR)$(INCPATH)
+	install -d $(DESTDIR)$(DATAPATH)
+	install $(LIBNAME) $(DESTDIR)$(LIBPATH)
+	install $(HEADERS) $(DESTDIR)$(INCPATH)
 
 install_test: testprof/$(LIBTEST)
 	install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)