1 dnl Copyright (C) 2009 Sun Microsystems
2 dnl This file is free software; Sun Microsystems
3 dnl gives unlimited permission to copy and/or distribute it,
4 dnl with or without modifications, as long as this notice is preserved.
6 AC_DEFUN([PANDORA_OPTIMIZE],[
7 dnl Build optimized or debug version ?
8 dnl First check for gcc and g++
9 AS_IF([test "$GCC" = "yes"],[
11 dnl The following is required for portable results of floating point
12 dnl calculations on PowerPC. The same must also be done for IA-64, but
13 dnl this options is missing in the IA-64 gcc backend.
16 AM_CFLAGS="-mno-fused-madd ${AM_CFLAGS}"
17 AM_CXXFLAGS="-mno-fused-madd ${AM_CXXFLAGS}"
21 dnl Once we can use a modern autoconf, we can replace the std=gnu99 here
22 dnl with using AC_CC_STD_C99 above
25 AM_CPPFLAGS="-ggdb3 ${AM_CPPFLAGS}"
31 OPTIMIZE_CXXFLAGS="-O3"
33 AS_IF([test "$SUNCC" = "yes"],[
34 dnl Once we can use a modern autoconf, we can replace the -xc99=all here
35 dnl with using AC_CC_STD_C99 above
37 CXX="${CXX} -xlang=c99"
39 AM_CFLAGS="-g -mt -xstrconst -Xa ${AM_CFLAGS}"
40 AM_CXXFLAGS="-mt -compat=5 -library=stlport4 -template=no%extdef ${AM_CXXFLAGS}"
44 dnl TODO: Make a test for -xO4 usability here
45 OPTIMIZE_FLAGS="-xO3 -xlibmil -xdepend -xbuiltin"
46 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS}"
47 OPTIMIZE_CXXFLAGS="-g0 ${OPTIMIZE_FLAGS}"
52 [AS_HELP_STRING([--with-debug],
53 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
54 [with_debug=$withval],
56 AS_IF([test "$with_debug" = "yes"],[
57 # Debugging. No optimization.
58 AM_CFLAGS="${AM_CFLAGS} ${DEBUG_CFLAGS} -DDEBUG"
59 AM_CXXFLAGS="${AM_CXXFLAGS} ${DEBUG_CXXFLAGS} -DDEBUG"
61 # Optimized version. No debug
62 AM_CFLAGS="${AM_CFLAGS} ${OPTIMIZE_CFLAGS}"
63 AM_CXXFLAGS="${AM_CXXFLAGS} ${OPTIMIZE_CXXFLAGS}"