1 dnl Copyright (C) 2009 Sun Microsystems, Inc.
2 dnl This file is free software; Sun Microsystems, Inc.
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 "$GCC" = "yes" -a "$INTELCC" = "no"],[
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="-g ${AM_CPPFLAGS}"
31 OPTIMIZE_CXXFLAGS="-O2"
33 AS_IF([test "$INTELCC" = "yes"],[
34 AM_CPPFLAGS="-g ${AM_CPPFLAGS}"
39 OPTIMIZE_CFLAGS="-xHOST -O2 -no-prec-div -static"
40 OPTIMIZE_CXXFLAGS="${OPTIMIZE_CFLAGS}"
43 AS_IF([test "$SUNCC" = "yes"],[
44 dnl Once we can use a modern autoconf, we can replace the -xc99=all here
45 dnl with using AC_CC_STD_C99 above
47 CXX="${CXX} -xlang=c99"
49 AM_CFLAGS="-g -mt -xstrconst -Xa ${AM_CFLAGS}"
50 AM_CXXFLAGS="-mt -compat=5 -library=stlport4 -library=Crun -template=no%extdef ${AM_CXXFLAGS}"
54 dnl TODO: Make a test for -xO4 usability here
55 OPTIMIZE_FLAGS="-xO3 -xlibmil -xdepend -xbuiltin"
56 OPTIMIZE_CFLAGS="${OPTIMIZE_FLAGS}"
57 OPTIMIZE_CXXFLAGS="-g0 ${OPTIMIZE_FLAGS}"
62 [AS_HELP_STRING([--with-debug],
63 [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
64 [with_debug=$withval],
66 AS_IF([test "$with_debug" = "yes"],[
67 # Debugging. No optimization.
68 AM_CFLAGS="${AM_CFLAGS} ${DEBUG_CFLAGS} -DDEBUG"
69 AM_CXXFLAGS="${AM_CXXFLAGS} ${DEBUG_CXXFLAGS} -DDEBUG"
71 # Optimized version. No debug
72 AM_CFLAGS="${AM_CFLAGS} ${OPTIMIZE_CFLAGS}"
73 AM_CXXFLAGS="${AM_CXXFLAGS} ${OPTIMIZE_CXXFLAGS}"