Makefile.am: adding warnings and ignoring unknown attributes for the …

…optimization __attribute__ in AbismalAlign.hpp

Makefile.am

@@ -38,6 +38,7 @@ install installdirs: SUBDIRS := $(filter-out src/smithlab_cpp, $(SUBDIRS))
 AM_CPPFLAGS = -I $(top_srcdir)/src/smithlab_cpp -I $(top_srcdir)/src/bamxx
 
 AM_CXXFLAGS = $(OPENMP_CXXFLAGS)
+AM_CXXFLAGS += -Wall -Wextra -Wpedantic -Wno-unknown-attributes
 if ENABLE_SHORT
 AM_CXXFLAGS += -DENABLE_SHORT
 endif