diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 67 |
1 files changed, 67 insertions, 0 deletions
@@ -20593,6 +20593,70 @@ echo "${ECHO_T}$have_gcc_fvisibility" >&6; } fi } +CheckStackBoundary() +{ + { echo "$as_me:$LINENO: checking for GCC -mpreferred-stack-boundary option" >&5 +echo $ECHO_N "checking for GCC -mpreferred-stack-boundary option... $ECHO_C" >&6; } + have_gcc_preferred_stack_boundary=no + + save_CFLAGS="$CFLAGS" + CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + int x = 0; + +int +main () +{ + + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + + have_gcc_preferred_stack_boundary=yes + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { echo "$as_me:$LINENO: result: $have_gcc_preferred_stack_boundary" >&5 +echo "${ECHO_T}$have_gcc_preferred_stack_boundary" >&6; } + CFLAGS="$save_CFLAGS" + + if test x$have_gcc_preferred_stack_boundary = xyes; then + EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2" + fi +} + + CheckWarnAll() { { echo "$as_me:$LINENO: checking for GCC -Wall option" >&5 @@ -24695,6 +24759,9 @@ fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $have_wince" >&5 echo "${ECHO_T}$have_wince" >&6; } + + # This fixes Windows stack alignment with newer GCC + CheckStackBoundary } CheckDIRECTX() |