Disable gcc optimization for langen

Makefile.am

@@ -6,7 +6,7 @@ dist_doc_DATA = README.md
 hyperrogue_SOURCES = hyper.cpp
 
 # Some definitions used in graph.cpp
-hyperrogue_CPPFLAGS = -DFONTDESTDIR=\"$(pkgdatadir)/DejaVuSans-Bold.ttf\" -DMUSICDESTDIR=\"$(pkgdatadir)/hyperrogue-music.txt\"
+hyperrogue_CPPFLAGS = -DFONTDESTDIR=\"$(pkgdatadir)/DejaVuSans-Bold.ttf\" -DMUSICDESTDIR=\"$(pkgdatadir)/hyperrogue-music.txt\" -O2
 
 # Musicdir
 musicdir=$(datadir)/hyperrogue/music
@@ -19,6 +19,8 @@ music/hyperrogue-music.txt: hyperrogue
 # Langen binary rules
 noinst_PROGRAMS = langen
 langen_SOURCES = langen.cpp 
+# Disable optimization, not needed
+langen_CXXFLAGS = -O0
 
 # Generation of language-data.cpp
 language-data.cpp: langen

configure

@@ -2863,6 +2863,7 @@ END
   fi
 fi
 
+${CXXFLAGS=""}
 
 #AC_CONFIG_HEADERS([config.h])
 

configure.ac

@@ -1,9 +1,10 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.69])
+AC_PREREQ([2.68])
 AC_INIT([hyperrogue], [7.7h])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
+${CXXFLAGS=""}
 AC_CONFIG_SRCDIR([hyperpoint.cpp])
 #AC_CONFIG_HEADERS([config.h])