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AC_MSG_CHECKING(for gcc optimization flags) | AC_MSG_CHECKING(for gcc optimization flags) |
old_cflags=$CFLAGS | old_cflags=$CFLAGS |
CFLAGS="$CFLAGS -O2 -fexpensive-optimizations -funroll-loops -finline-functions -ffast-math -Wall" |
CFLAGS="$CFLAGS" |
AC_TRY_COMPILE([#include <stdio.h>], | AC_TRY_COMPILE([#include <stdio.h>], |
[ printf ("hello, world"); ], | [ printf ("hello, world"); ], |
[ EXTRA_OPT_CFLAGS="-O2 -fexpensive-optimizations -funroll-loops -finline-functions -ffast-math -Wall"],[ EXTRA_OPT_CFLAGS=""]) |
[ EXTRA_OPT_CFLAGS="$CFLAGS"],[ EXTRA_OPT_CFLAGS=""]) |
CFLAGS=$old_cflags | CFLAGS=$old_cflags |
AC_MSG_RESULT([$EXTRA_OPT_CFLAGS]) | AC_MSG_RESULT([$EXTRA_OPT_CFLAGS]) |
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ARCH_CFLAGS="$EXTRA_OPT_CFLAGS $CFLAGS" |
ARCH_CFLAGS="$EXTRA_OPT_CFLAGS" |
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if test "$ARCH_TYPE" = "i486" || test "$ARCH_TYPE" = "i586" || test "$ARCH_TYPE" = "i686" | if test "$ARCH_TYPE" = "i486" || test "$ARCH_TYPE" = "i586" || test "$ARCH_TYPE" = "i686" |
then | then |