diff options
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 45 |
1 files changed, 43 insertions, 2 deletions
@@ -6264,8 +6264,6 @@ UNIVERSAL_ARCH_FLAGS= # tweak BASECFLAGS based on compiler and platform case $GCC in yes) - BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement" - # Python doesn't violate C99 aliasing rules, but older versions of # GCC produce warnings for legal Python code. Enable # -fno-strict-aliasing on versions of GCC that support but produce @@ -6379,6 +6377,49 @@ $as_echo "$ac_cv_disable_unused_result_warning" >&6; } BASECFLAGS="$BASECFLAGS -Wno-unused-result" fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Werror=declaration-after-statement" >&5 +$as_echo_n "checking for -Werror=declaration-after-statement... " >&6; } + ac_save_cc="$CC" + CC="$CC -Werror=declaration-after-statement" + save_CFLAGS="$CFLAGS" + if ${ac_cv_declaration_after_statement_warning+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + ac_cv_declaration_after_statement_warning=yes + +else + + ac_cv_declaration_after_statement_warning=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + + CFLAGS="$save_CFLAGS" + CC="$ac_save_cc" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_declaration_after_statement_warning" >&5 +$as_echo "$ac_cv_declaration_after_statement_warning" >&6; } + + if test $ac_cv_declaration_after_statement_warning = yes + then + BASECFLAGS="$BASECFLAGS -Werror=declaration-after-statement" + fi + # if using gcc on alpha, use -mieee to get (near) full IEEE 754 # support. Without this, treatment of subnormals doesn't follow # the standard. |