dnl configure.ac
dnl
-dnl Copyright (C) 1996-2010
+dnl Copyright (C) 1996-2012
dnl CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
dnl
dnl This file is part of CACAO.
esac
+AC_MSG_CHECKING(whether to disable optimizations and build with -g -O0)
+AC_ARG_ENABLE([optimizations],
+ [AS_HELP_STRING(--disable-optimizations,build with -g -O0 [[default=no]])],
+ [case "${enableval}" in
+ no) disable_optimizations=yes;;
+ *) disable_optimizations=no;;
+ esac],
+ [disable_optimizations=no])
+AC_MSG_RESULT(${disable_optimizations})
+
dnl Set optimization and debugging for all architectures and systems.
dnl NOTE: Setting the CFLAGS/CXXFLAGS only works before calling AC_PROG_CC/AC_PROG_CXX.
if test x"$CFLAGS" = "x"; then
- OPT_CFLAGS="-g -O2"
+ OPT_CFLAGS="-g"
else
OPT_CFLAGS=$CFLAGS
fi
+if test x"${disable_optimizations}" = "xyes"; then
+ OPT_CFLAGS="$OPT_CFLAGS -O0"
+else
+ OPT_CFLAGS="$OPT_CFLAGS -O2"
+fi
OPT_CFLAGS="$OPT_CFLAGS -fno-strict-aliasing"
if test x"$CXXFLAGS" = "x"; then
- OPT_CXXFLAGS="-g -O2"
+ OPT_CXXFLAGS="-g"
else
OPT_CXXFLAGS=$CXXFLAGS
fi
+if test x"${disable_optimizations}" = "xyes"; then
+ OPT_CXXFLAGS="$OPT_CXXFLAGS -O0"
+else
+ OPT_CXXFLAGS="$OPT_CXXFLAGS -O2"
+fi
OPT_CXXFLAGS="$OPT_CXXFLAGS -fno-strict-aliasing"
dnl Check for compiler.